/**
 * Galaxy Strike Online - Base System
 * Manages player base building and customization
 */

class BaseSystem {
    constructor(gameEngine) {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.constructor', {
            gameEngineProvided: !!gameEngine
        });
        
        this.game = gameEngine;
        
        // Base configuration
        this.base = {
            name: 'Command Center Alpha',
            level: 1,
            experience: 0,
            experienceToNext: 500,
            rooms: [],
            decorations: [],
            power: 100,
            maxPower: 100,
            storage: 1000,
            maxStorage: 1000
        };
        
        if (debugLogger) debugLogger.logStep('Base configuration initialized', {
            baseName: this.base.name,
            baseLevel: this.base.level,
            initialPower: this.base.power,
            maxPower: this.base.maxPower,
            initialStorage: this.base.storage,
            maxStorage: this.base.maxStorage
        });
        
        // Room types
        this.roomTypes = {
            command_center: {
                name: 'Command Center',
                description: 'Central control room for your operations',
                size: 'large',
                powerCost: 20,
                storageBonus: 0,
                buildCost: 0,
                requiredLevel: 1,
                maxLevel: 1,
                icon: 'fa-satellite-dish'
            },
            barracks: {
                name: 'Barracks',
                description: 'Housing for crew and allies',
                size: 'medium',
                powerCost: 10,
                storageBonus: 100,
                buildCost: 500,
                requiredLevel: 2,
                maxLevel: 5,
                icon: 'fa-home'
            },
            laboratory: {
                name: 'Laboratory',
                description: 'Research facility for new technologies',
                size: 'medium',
                powerCost: 15,
                storageBonus: 50,
                buildCost: 1000,
                requiredLevel: 3,
                maxLevel: 5,
                icon: 'fa-flask'
            },
            workshop: {
                name: 'Workshop',
                description: 'Crafting and equipment modification station',
                size: 'medium',
                powerCost: 12,
                storageBonus: 80,
                buildCost: 800,
                requiredLevel: 2,
                maxLevel: 5,
                icon: 'fa-hammer'
            },
            storage_bay: {
                name: 'Storage Bay',
                description: 'Additional storage for resources and items',
                size: 'large',
                powerCost: 5,
                storageBonus: 500,
                buildCost: 300,
                requiredLevel: 1,
                maxLevel: 10,
                icon: 'fa-warehouse'
            },
            power_generator: {
                name: 'Power Generator',
                description: 'Generates power for base operations',
                size: 'small',
                powerCost: -25,
                storageBonus: 0,
                buildCost: 600,
                requiredLevel: 2,
                maxLevel: 5,
                icon: 'fa-bolt'
            },
            defense_turret: {
                name: 'Defense Turret',
                description: 'Automated defense system',
                size: 'small',
                powerCost: 8,
                storageBonus: 0,
                buildCost: 400,
                requiredLevel: 3,
                maxLevel: 8,
                icon: 'fa-crosshairs'
            },
            communication_array: {
                name: 'Communication Array',
                description: 'Long-range communication and scanning',
                size: 'medium',
                powerCost: 10,
                storageBonus: 20,
                buildCost: 700,
                requiredLevel: 4,
                maxLevel: 3,
                icon: 'fa-broadcast-tower'
            },
            medical_bay: {
                name: 'Medical Bay',
                description: 'Health restoration and crew recovery',
                size: 'medium',
                powerCost: 12,
                storageBonus: 30,
                buildCost: 900,
                requiredLevel: 3,
                maxLevel: 4,
                icon: 'fa-medkit'
            },
            recreation_room: {
                name: 'Recreation Room',
                description: 'Crew morale and relaxation facilities',
                size: 'small',
                powerCost: 6,
                storageBonus: 10,
                buildCost: 350,
                requiredLevel: 2,
                maxLevel: 3,
                icon: 'fa-gamepad'
            }
        };
        
        // Base upgrades
        this.upgrades = {
            power_efficiency: {
                name: 'Power Efficiency',
                description: 'Reduces power consumption of all rooms',
                cost: 1000,
                effect: { powerReduction: 0.1 },
                maxLevel: 5,
                currentLevel: 0
            },
            storage_expansion: {
                name: 'Storage Expansion',
                description: 'Increases inventory slots for item storage',
                cost: 5000,
                maxLevel: 10,
                currentLevel: 0,
                icon: 'fa-boxes',
                slotBonus: 5 // +5 slots per level
            },
            automation_systems: {
                name: 'Automation Systems',
                description: 'Automated resource collection and processing',
                cost: 1500,
                effect: { 
                    productionBonus: 0.2 // +20% production
                },
                maxLevel: 5,
                currentLevel: 0
            },
            advanced_defenses: {
                name: 'Advanced Defenses',
                description: 'Improved base defense systems',
                cost: 2000,
                effect: { defenseBonus: 10 },
                maxLevel: 3,
                currentLevel: 0
            }
        };
        
        // Base grid layout (10x10)
        this.gridSize = 10;
        this.grid = [];
        
        if (debugLogger) debugLogger.logStep('Grid configuration initialized', {
            gridSize: this.gridSize,
            gridInitialized: false
        });
        
        // Initialize grid
        this.initializeGrid();
        
        if (debugLogger) debugLogger.endStep('BaseSystem.constructor', {
            roomTypesCount: Object.keys(this.roomTypes).length,
            upgradesCount: Object.keys(this.upgrades).length,
            gridSize: this.gridSize,
            gridInitialized: !!this.grid,
            baseConfiguration: this.base
        });
    }
    
    initializeBaseData() {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.initializeBaseData', {
            oldBaseName: this.base.name,
            oldBaseLevel: this.base.level
        });
        
        // Initialize base with default values
        this.base = {
            name: 'Command Center Alpha',
            level: 1,
            experience: 0,
            experienceToNext: 500,
            rooms: [],
            decorations: [],
            power: 100,
            maxPower: 100,
            storage: 1000,
            maxStorage: 1000
        };
        
        // Initialize resources
        this.resources = {
            energy: 100,
            materials: 50,
            research: 0
        };
        
        if (debugLogger) debugLogger.endStep('BaseSystem.initializeBaseData', {
            newBaseName: this.base.name,
            newBaseLevel: this.base.level,
            roomsCount: this.base.rooms.length,
            decorationsCount: this.base.decorations.length,
            resourcesInitialized: this.resources
        });
    }
    
    initialize() {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.initialize', {
            currentBaseLevel: this.base.level,
            roomsCount: this.base.rooms.length
        });
        
        // Initialize base data
        if (debugLogger) debugLogger.logStep('Initializing base data');
        this.initializeBaseData();
        
        // Initialize inventory bonus slots on game start
        if (debugLogger) debugLogger.logStep('Updating inventory bonus slots');
        this.updateInventoryBonusSlots();
        
        if (debugLogger) debugLogger.endStep('BaseSystem.initialize', {
            baseDataInitialized: true,
            inventoryBonusSlotsUpdated: true
        });
    }
    
    async initialize() {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.asyncInitialize', {
            currentBaseLevel: this.base.level,
            roomsCount: this.base.rooms.length
        });
        
        // Start with command center
        if (debugLogger) debugLogger.logStep('Adding command center room');
        this.addRoom('command_center', 5, 5);
        
        // Set up base navigation
        if (debugLogger) debugLogger.logStep('Setting up base navigation');
        this.setupBaseNavigation();
        
        // Initialize ship gallery
        if (debugLogger) debugLogger.logStep('Initializing ship gallery');
        this.initializeShipGallery();
        
        // Initialize starbase system
        if (debugLogger) debugLogger.logStep('Initializing starbase system');
        this.initializeStarbaseSystem();
        
        if (debugLogger) debugLogger.endStep('BaseSystem.asyncInitialize', {
            commandCenterAdded: true,
            navigationSetup: true,
            shipGalleryInitialized: true,
            starbaseSystemInitialized: true
        });
    }
    
    initializeGrid() {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.initializeGrid', {
            gridSize: this.gridSize
        });
        
        this.grid = [];
        for (let y = 0; y < this.gridSize; y++) {
            this.grid[y] = [];
            for (let x = 0; x < this.gridSize; x++) {
                this.grid[y][x] = null;
            }
        }
        
        if (debugLogger) debugLogger.endStep('BaseSystem.initializeGrid', {
            gridSize: this.gridSize,
            gridCreated: true,
            totalCells: this.gridSize * this.gridSize
        });
    }
    
    // Room management
    getRoomAt(x, y) {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.log('BaseSystem.getRoomAt called', {
            x: x,
            y: y,
            gridSize: this.gridSize
        });
        
        // Check if coordinates are within grid bounds
        if (x < 0 || x >= this.gridSize || y < 0 || y >= this.gridSize) {
            if (debugLogger) debugLogger.log('Coordinates out of bounds', {
                x: x,
                y: y,
                gridSize: this.gridSize
            });
            return null;
        }
        
        // Ensure grid exists
        if (!this.grid || !this.grid[y]) {
            console.log('[BASE SYSTEM] Grid not properly initialized in getRoomAt');
            if (debugLogger) debugLogger.log('Grid not properly initialized', {
                gridExists: !!this.grid,
                gridRowExists: !!(this.grid && this.grid[y]),
                y: y
            });
            return null;
        }
        
        // Get room ID from grid
        const roomId = this.grid[y][x];
        if (!roomId) {
            if (debugLogger) debugLogger.log('No room at coordinates', {
                x: x,
                y: y,
                roomId: roomId
            });
            return null;
        }
        
        // Find room by ID
        const room = this.base.rooms.find(r => r.id === roomId) || null;
        
        if (debugLogger) debugLogger.log('Room found at coordinates', {
            x: x,
            y: y,
            roomId: roomId,
            roomFound: !!room,
            roomName: room ? room.name : null,
            roomType: room ? room.type : null
        });
        
        return room;
    }
    
    canBuildRoom(roomType, x, y) {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.canBuildRoom', {
            roomType: roomType,
            x: x,
            y: y,
            currentBaseLevel: this.base.level,
            currentCredits: this.game.systems.economy.credits,
            currentRooms: this.base.rooms.length
        });
        
        const roomTemplate = this.roomTypes[roomType];
        if (!roomTemplate) {
            if (debugLogger) debugLogger.endStep('BaseSystem.canBuildRoom', {
                success: false,
                reason: 'Room template not found',
                roomType: roomType
            });
            return false;
        }
        
        if (debugLogger) debugLogger.logStep('Room template found', {
            roomName: roomTemplate.name,
            requiredLevel: roomTemplate.requiredLevel,
            buildCost: roomTemplate.buildCost,
            powerCost: roomTemplate.powerCost,
            maxLevel: roomTemplate.maxLevel
        });
        
        // Check player level
        if (this.game.systems.player.stats.level < roomTemplate.requiredLevel) {
            if (debugLogger) debugLogger.endStep('BaseSystem.canBuildRoom', {
                success: false,
                reason: 'Player level too low',
                playerLevel: this.game.systems.player.stats.level,
                requiredLevel: roomTemplate.requiredLevel
            });
            return false;
        }
        
        // Check resources
        if (this.game.systems.economy.credits < roomTemplate.buildCost) {
            if (debugLogger) debugLogger.endStep('BaseSystem.canBuildRoom', {
                success: false,
                reason: 'Insufficient credits',
                currentCredits: this.game.systems.economy.credits,
                requiredCredits: roomTemplate.buildCost
            });
            return false;
        }
        
        // Check if room already exists at max level
        const existingRoom = this.base.rooms.find(r => r.type === roomType);
        if (existingRoom && existingRoom.level >= roomTemplate.maxLevel) {
            if (debugLogger) debugLogger.endStep('BaseSystem.canBuildRoom', {
                success: false,
                reason: 'Room already at max level',
                roomType: roomType,
                currentLevel: existingRoom.level,
                maxLevel: roomTemplate.maxLevel
            });
            return false;
        }
        
        // Check grid placement
        const roomSize = this.getRoomSize(roomTemplate.size);
        if (!this.canPlaceRoom(x, y, roomSize.width, roomSize.height)) {
            if (debugLogger) debugLogger.endStep('BaseSystem.canBuildRoom', {
                success: false,
                reason: 'Cannot place room at location',
                x: x,
                y: y,
                roomSize: roomSize
            });
            return false;
        }
        
        // Check power availability
        const powerRequirement = roomTemplate.powerCost;
        if (this.base.power + powerRequirement > this.base.maxPower) {
            if (debugLogger) debugLogger.endStep('BaseSystem.canBuildRoom', {
                success: false,
                reason: 'Insufficient power',
                currentPower: this.base.power,
                powerRequirement: powerRequirement,
                maxPower: this.base.maxPower,
                totalPowerNeeded: this.base.power + powerRequirement
            });
            return false;
        }
        
        if (debugLogger) debugLogger.endStep('BaseSystem.canBuildRoom', {
            success: true,
            roomType: roomType,
            roomName: roomTemplate.name,
            x: x,
            y: y,
            isUpgrade: !!existingRoom,
            currentLevel: existingRoom ? existingRoom.level : 0
        });
        
        return true;
    }
    
    getRoomSize(size) {
        const sizes = {
            small: { width: 1, height: 1 },
            medium: { width: 2, height: 2 },
            large: { width: 3, height: 3 }
        };
        return sizes[size] || sizes.medium;
    }
    
    canPlaceRoom(x, y, width, height) {
        // Check bounds
        if (x < 0 || y < 0 || x + width > this.gridSize || y + height > this.gridSize) {
            return false;
        }
        
        // Check for collisions
        for (let dy = 0; dy < height; dy++) {
            for (let dx = 0; dx < width; dx++) {
                if (this.grid[y + dy][x + dx] !== null) {
                    return false;
                }
            }
        }
        
        return true;
    }
    
    addRoom(roomType, x, y) {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.addRoom', {
            roomType: roomType,
            x: x,
            y: y,
            currentRoomsCount: this.base.rooms.length,
            currentCredits: this.game.systems.economy.credits
        });
        
        if (!this.canBuildRoom(roomType, x, y)) {
            if (debugLogger) debugLogger.endStep('BaseSystem.addRoom', {
                success: false,
                reason: 'Cannot build room - failed validation',
                roomType: roomType,
                x: x,
                y: y
            });
            return false;
        }
        
        const roomTemplate = this.roomTypes[roomType];
        const roomSize = this.getRoomSize(roomTemplate.size);
        
        if (debugLogger) debugLogger.logStep('Room validation passed', {
            roomName: roomTemplate.name,
            roomSize: roomSize,
            buildCost: roomTemplate.buildCost
        });
        
        // Check if upgrading existing room
        const existingRoom = this.base.rooms.find(r => r.type === roomType);
        const isUpgrade = !!existingRoom;
        
        if (isUpgrade) {
            if (debugLogger) debugLogger.logStep('Upgrading existing room', {
                roomId: existingRoom.id,
                currentLevel: existingRoom.level,
                newLevel: existingRoom.level + 1
            });
            
            // Upgrade existing room
            existingRoom.level++;
            existingRoom.powerCost = roomTemplate.powerCost * existingRoom.level;
            existingRoom.storageBonus = roomTemplate.storageBonus * existingRoom.level;
        } else {
            if (debugLogger) debugLogger.logStep('Creating new room', {
                roomType: roomType,
                roomName: roomTemplate.name,
                x: x,
                y: y,
                roomSize: roomSize
            });
            
            // Create new room
            const room = {
                id: Date.now().toString(),
                type: roomType,
                name: roomTemplate.name,
                level: 1,
                x: x,
                y: y,
                width: roomSize.width,
                height: roomSize.height,
                powerCost: roomTemplate.powerCost,
                storageBonus: roomTemplate.storageBonus,
                icon: roomTemplate.icon,
                description: roomTemplate.description
            };
            
            this.base.rooms.push(room);
            
            // Place on grid
            for (let dy = 0; dy < roomSize.height; dy++) {
                for (let dx = 0; dx < roomSize.width; dx++) {
                    this.grid[y + dy][x + dx] = room.id;
                }
            }
            
            if (debugLogger) debugLogger.logStep('New room placed on grid', {
                roomId: room.id,
                gridPositions: roomSize.width * roomSize.height
            });
        }
        
        // Update base stats
        if (debugLogger) debugLogger.logStep('Updating base stats');
        this.updateBaseStats();
        
        // Deduct cost
        const oldCredits = this.game.systems.economy.credits;
        this.game.systems.economy.removeCredits(roomTemplate.buildCost);
        
        if (debugLogger) debugLogger.logStep('Build cost deducted', {
            buildCost: roomTemplate.buildCost,
            oldCredits: oldCredits,
            newCredits: this.game.systems.economy.credits
        });
        
        this.game.showNotification(`${roomTemplate.name} ${isUpgrade ? 'upgraded' : 'built'}!`, 'success', 3000);
        
        if (debugLogger) debugLogger.endStep('BaseSystem.addRoom', {
            success: true,
            roomType: roomType,
            roomName: roomTemplate.name,
            isUpgrade: isUpgrade,
            roomId: isUpgrade ? existingRoom.id : this.base.rooms[this.base.rooms.length - 1].id,
            newLevel: isUpgrade ? existingRoom.level : 1,
            finalRoomsCount: this.base.rooms.length,
            buildCost: roomTemplate.buildCost,
            finalCredits: this.game.systems.economy.credits
        });
        
        return true;
    }
    
    removeRoom(roomId) {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.removeRoom', {
            roomId: roomId,
            currentRoomsCount: this.base.rooms.length
        });
        
        const roomIndex = this.base.rooms.findIndex(r => r.id === roomId);
        if (roomIndex === -1) {
            if (debugLogger) debugLogger.endStep('BaseSystem.removeRoom', {
                success: false,
                reason: 'Room not found',
                roomId: roomId
            });
            return false;
        }
        
        const room = this.base.rooms[roomIndex];
        
        if (debugLogger) debugLogger.logStep('Room found for removal', {
            roomId: room.id,
            roomName: room.name,
            roomType: room.type,
            roomLevel: room.level,
            roomPosition: { x: room.x, y: room.y }
        });
        
        // Don't allow removing command center
        if (room.type === 'command_center') {
            this.game.showNotification('Cannot remove Command Center', 'error', 3000);
            
            if (debugLogger) debugLogger.endStep('BaseSystem.removeRoom', {
                success: false,
                reason: 'Cannot remove command center',
                roomId: roomId,
                roomType: room.type
            });
            return false;
        }
        
        // Remove from grid
        let gridCellsCleared = 0;
        for (let dy = 0; dy < room.height; dy++) {
            for (let dx = 0; dx < room.width; dx++) {
                this.grid[room.y + dy][room.x + dx] = null;
                gridCellsCleared++;
            }
        }
        
        if (debugLogger) debugLogger.logStep('Room removed from grid', {
            gridCellsCleared: gridCellsCleared,
            roomSize: { width: room.width, height: room.height }
        });
        
        // Remove from rooms array
        this.base.rooms.splice(roomIndex, 1);
        
        if (debugLogger) debugLogger.logStep('Room removed from rooms array', {
            removedIndex: roomIndex,
            remainingRoomsCount: this.base.rooms.length
        });
        
        // Update base stats
        if (debugLogger) debugLogger.logStep('Updating base stats after removal');
        this.updateBaseStats();
        
        // Refund some resources
        const refundAmount = Math.floor(this.roomTypes[room.type].buildCost * 0.5);
        const oldCredits = this.game.systems.economy.credits;
        this.game.systems.economy.addCredits(refundAmount, 'room_refund');
        
        if (debugLogger) debugLogger.logStep('Refund processed', {
            refundAmount: refundAmount,
            oldCredits: oldCredits,
            newCredits: this.game.systems.economy.credits,
            originalBuildCost: this.roomTypes[room.type].buildCost,
            refundPercentage: 0.5
        });
        
        this.game.showNotification(`${room.name} removed. Refunded ${refundAmount} credits`, 'info', 3000);
        
        if (debugLogger) debugLogger.endStep('BaseSystem.removeRoom', {
            success: true,
            roomId: roomId,
            roomName: room.name,
            roomType: room.type,
            refundAmount: refundAmount,
            finalRoomsCount: this.base.rooms.length,
            finalCredits: this.game.systems.economy.credits
        });
        
        return true;
    }
    
    calculateBaseStats() {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.calculateBaseStats', {
            currentRoomsCount: this.base.rooms.length,
            currentPower: this.base.power,
            currentMaxPower: this.base.maxPower,
            currentStorage: this.base.storage,
            currentMaxStorage: this.base.maxStorage
        });
        
        let totalPowerCost = 0;
        let totalStorageBonus = 0;
        
        // Calculate power cost and storage bonus from rooms
        this.base.rooms.forEach(room => {
            const roomType = this.roomTypes[room.type];
            const roomPowerCost = roomType.powerCost * room.level;
            const roomStorageBonus = roomType.storageBonus * room.level;
            
            totalPowerCost += roomPowerCost;
            totalStorageBonus += roomStorageBonus;
            
            if (debugLogger) debugLogger.logStep('Room contribution calculated', {
                roomId: room.id,
                roomType: room.type,
                roomName: room.name,
                roomLevel: room.level,
                powerCost: roomPowerCost,
                storageBonus: roomStorageBonus
            });
        });
        
        // Add upgrade bonuses
        const storageExpansion = (this.upgrades.storage_expansion?.currentLevel || 0) * (this.upgrades.storage_expansion?.slotBonus || 5);
        totalStorageBonus += storageExpansion;
        
        if (debugLogger) debugLogger.logStep('Upgrade bonuses calculated', {
            storageExpansionLevel: this.upgrades.storage_expansion?.currentLevel || 0,
            storageExpansionBonus: storageExpansion,
            totalStorageBonusWithUpgrades: totalStorageBonus
        });
        
        const oldPower = this.base.power;
        const oldMaxPower = this.base.maxPower;
        const oldStorage = this.base.storage;
        const oldMaxStorage = this.base.maxStorage;
        
        this.base.power = Math.max(0, totalPowerCost);
        this.base.maxPower = 100 + ((this.upgrades.power_efficiency?.currentLevel || 0) * 20);
        
        // Update inventory base slots with storage upgrades
        if (this.game.systems.inventory) {
            const newBaseSlots = 30 + totalStorageBonus; // 30 base + storage bonuses
            const oldBaseSlots = this.game.systems.inventory.baseMaxSlots;
            
            this.game.systems.inventory.baseMaxSlots = newBaseSlots;
            this.game.systems.inventory.updateStarbaseBonusSlots(this.game.systems.inventory.starbaseBonusSlots);
            
            if (debugLogger) debugLogger.logStep('Inventory slots updated', {
                oldBaseSlots: oldBaseSlots,
                newBaseSlots: newBaseSlots,
                starbaseBonusSlots: this.game.systems.inventory.starbaseBonusSlots,
                finalMaxSlots: this.game.systems.inventory.maxSlots
            });
        }
        
        // Keep legacy storage for backward compatibility
        this.base.storage = 1000 + (totalStorageBonus * 100);
        this.base.maxStorage = this.base.storage;
        
        if (debugLogger) debugLogger.endStep('BaseSystem.calculateBaseStats', {
            powerChanges: {
                oldPower: oldPower,
                newPower: this.base.power,
                oldMaxPower: oldMaxPower,
                newMaxPower: this.base.maxPower
            },
            storageChanges: {
                oldStorage: oldStorage,
                newStorage: this.base.storage,
                oldMaxStorage: oldMaxStorage,
                newMaxStorage: this.base.maxStorage
            },
            totals: {
                totalPowerCost: totalPowerCost,
                totalStorageBonus: totalStorageBonus,
                storageExpansionBonus: storageExpansion
            },
            roomsProcessed: this.base.rooms.length
        });
    }
    
    // Base upgrades
    upgradeBase(upgradeId) {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.upgradeBase', {
            upgradeId: upgradeId,
            currentCredits: this.game.systems.economy.credits,
            currentUpgradeLevel: this.upgrades[upgradeId] ? this.upgrades[upgradeId].currentLevel : null
        });
        
        const upgrade = this.upgrades[upgradeId];
        if (!upgrade) {
            if (debugLogger) debugLogger.endStep('BaseSystem.upgradeBase', {
                success: false,
                reason: 'Upgrade not found',
                upgradeId: upgradeId
            });
            return false;
        }
        
        if (debugLogger) debugLogger.logStep('Upgrade found', {
            upgradeName: upgrade.name,
            currentLevel: upgrade.currentLevel,
            maxLevel: upgrade.maxLevel,
            baseCost: upgrade.cost
        });
        
        if (upgrade.currentLevel >= upgrade.maxLevel) {
            this.game.showNotification('Upgrade at maximum level', 'warning', 3000);
            
            if (debugLogger) debugLogger.endStep('BaseSystem.upgradeBase', {
                success: false,
                reason: 'Upgrade at maximum level',
                upgradeId: upgradeId,
                currentLevel: upgrade.currentLevel,
                maxLevel: upgrade.maxLevel
            });
            return false;
        }
        
        const cost = upgrade.cost * (upgrade.currentLevel + 1);
        if (this.game.systems.economy.credits < cost) {
            this.game.showNotification('Not enough credits', 'error', 3000);
            
            if (debugLogger) debugLogger.endStep('BaseSystem.upgradeBase', {
                success: false,
                reason: 'Insufficient credits',
                upgradeId: upgradeId,
                requiredCredits: cost,
                currentCredits: this.game.systems.economy.credits
            });
            return false;
        }
        
        if (debugLogger) debugLogger.logStep('Upgrade validation passed', {
            upgradeId: upgradeId,
            currentLevel: upgrade.currentLevel,
            newLevel: upgrade.currentLevel + 1,
            cost: cost
        });
        
        // Apply upgrade
        const oldCredits = this.game.systems.economy.credits;
        this.game.systems.economy.removeCredits(cost);
        upgrade.currentLevel++;
        
        if (debugLogger) debugLogger.logStep('Upgrade applied', {
            oldCredits: oldCredits,
            newCredits: this.game.systems.economy.credits,
            costDeducted: cost,
            newUpgradeLevel: upgrade.currentLevel
        });
        
        // Apply effects
        let statsUpdated = false;
        if (upgrade.effect.powerReduction) {
            if (debugLogger) debugLogger.logStep('Applying power reduction effect');
            this.updateBaseStats();
            statsUpdated = true;
        }
        
        if (upgrade.effect.storageBonus) {
            if (debugLogger) debugLogger.logStep('Applying storage bonus effect');
            this.updateBaseStats();
            statsUpdated = true;
        }
        
        if (upgrade.effect.productionBonus) {
            if (debugLogger) debugLogger.logStep('Applying production bonus effect', {
                productionBonus: upgrade.effect.productionBonus
            });
            statsUpdated = true;
        }
        
        if (upgrade.effect.defenseBonus) {
            if (debugLogger) debugLogger.logStep('Applying defense bonus effect', {
                defenseBonus: upgrade.effect.defenseBonus
            });
            statsUpdated = true;
        }
        
        if (!statsUpdated) {
            // For upgrades like storage_expansion that don't have effects in the effect object
            if (debugLogger) debugLogger.logStep('Updating base stats for upgrade');
            this.updateBaseStats();
        }
        
        this.game.showNotification(`${upgrade.name} upgraded to level ${upgrade.currentLevel}!`, 'success', 3000);
        
        if (debugLogger) debugLogger.endStep('BaseSystem.upgradeBase', {
            success: true,
            upgradeId: upgradeId,
            upgradeName: upgrade.name,
            oldLevel: upgrade.currentLevel - 1,
            newLevel: upgrade.currentLevel,
            cost: cost,
            finalCredits: this.game.systems.economy.credits,
            effectsApplied: statsUpdated
        });
        
        return true;
    }
    
    // Base production
    update(deltaTime) {
        if (this.game.state.paused) {
            return;
        }
        
        // Auto production from automation systems
        const autoProductionRate = (this.upgrades.automation_systems?.currentLevel || 0) * 0.05;
        if (autoProductionRate > 0) {
            // Use real computer time delta
            const production = (deltaTime / 1000) * autoProductionRate * 10; // 10 credits per second per level
            
            this.game.systems.economy.addCredits(Math.floor(production), 'base_production');
        }
        
        // Power generation from power generators
        const powerGenerators = this.base.rooms.filter(r => r.type === 'power_generator');
        if (powerGenerators.length > 0) {
            const powerGeneration = powerGenerators.reduce((total, gen) => total + Math.abs(gen.powerCost), 0);
            
            // Power generation would affect other systems
        }
        
        // Research production
        if ((this.upgrades.research_lab?.currentLevel || 0) > 0) {
            const researchRate = (this.upgrades.research_lab?.currentLevel || 0) * 0.1;
            // Research points generation would go here
        }
        
        // Resource processing
        if ((this.upgrades.resource_processor?.currentLevel || 0) > 0) {
            const processingRate = (this.upgrades.resource_processor?.currentLevel || 0) * 0.05;
            // Resource processing would go here
        }
    }
    
    // UI updates
    updateUI() {
        this.setupBaseNavigation();
        this.updateBaseDisplay();
        this.updateUpgradesList();
        this.updateShipGallery();
        this.updateStarbaseList();
    }
    
    // Base Navigation
    setupBaseNavigation() {
        const navButtons = document.querySelectorAll('.base-nav-btn');
        navButtons.forEach(button => {
            button.addEventListener('click', () => {
                const view = button.dataset.view;
                this.switchBaseView(view);
            });
        });
    }
    
    switchBaseView(view) {
        // Hide all views
        document.querySelectorAll('.base-view-content').forEach(content => {
            content.classList.add('hidden');
        });
        
        // Remove active class from all buttons
        document.querySelectorAll('.base-nav-btn').forEach(btn => {
            btn.classList.remove('active');
        });
        
        // Show selected view
        const selectedView = document.getElementById(`base-${view}`);
        if (selectedView) {
            selectedView.classList.remove('hidden');
        }
        
        // Add active class to clicked button
        const activeBtn = document.querySelector(`[data-view="${view}"]`);
        if (activeBtn) {
            activeBtn.classList.add('active');
        }
        
        // Initialize view-specific content
        if (view === 'visualization') {
            this.initializeBaseVisualization();
        } else if (view === 'ships') {
            this.updateShipGallery();
        } else if (view === 'starbases') {
            // Boot the isometric starbase world instead of the old list UI
            if (typeof _startStarbaseWorld === 'function') {
                _startStarbaseWorld();
            }
        } else {
            // Leaving starbases — stop the world loop
            if (typeof _stopStarbaseWorld === 'function') {
                _stopStarbaseWorld();
            }
        }
    }
    
    // Base Visualization
    initializeBaseVisualization() {
        const canvas = document.getElementById('baseCanvas');
        if (!canvas) return;
        
        const ctx = canvas.getContext('2d');
        
        // Clear canvas
        ctx.clearRect(0, 0, canvas.width, canvas.height);
        
        // Draw base grid
        this.drawBaseVisualization(ctx, canvas);
        
        // Update info overlay
        this.updateBaseInfoOverlay();
    }
    
    drawBaseVisualization(ctx, canvas) {
        const cellSize = 40;
        const offsetX = (canvas.width - this.gridSize * cellSize) / 2;
        const offsetY = (canvas.height - this.gridSize * cellSize) / 2;
        
        // Draw grid
        ctx.strokeStyle = '#333';
        ctx.lineWidth = 1;
        
        for (let y = 0; y <= this.gridSize; y++) {
            ctx.beginPath();
            ctx.moveTo(offsetX, offsetY + y * cellSize);
            ctx.lineTo(offsetX + this.gridSize * cellSize, offsetY + y * cellSize);
            ctx.stroke();
        }
        
        for (let x = 0; x <= this.gridSize; x++) {
            ctx.beginPath();
            ctx.moveTo(offsetX + x * cellSize, offsetY);
            ctx.lineTo(offsetX + x * cellSize, offsetY + this.gridSize * cellSize);
            ctx.stroke();
        }
        
        // Draw rooms
        for (let y = 0; y < this.gridSize; y++) {
            for (let x = 0; x < this.gridSize; x++) {
                const roomId = this.grid[y][x];
                if (roomId) {
                    const room = this.base.rooms.find(r => r.id === roomId);
                    if (room) {
                        this.drawRoom(ctx, room, x, y, cellSize, offsetX, offsetY);
                    }
                }
            }
        }
    }
    
    drawRoom(ctx, room, gridX, gridY, cellSize, offsetX, offsetY) {
        const x = offsetX + gridX * cellSize;
        const y = offsetY + gridY * cellSize;
        
        // Room colors by type
        const roomColors = {
            command_center: '#4CAF50',
            power_generator: '#FFC107',
            defense_turret: '#F44336',
            storage: '#2196F3',
            research_lab: '#9C27B0',
            factory: '#FF9800',
            medical_bay: '#00BCD4',
            hangar: '#795548'
        };
        
        const color = roomColors[room.type] || '#666';
        
        // Draw room
        ctx.fillStyle = color;
        ctx.fillRect(x + 2, y + 2, cellSize - 4, cellSize - 4);
        
        // Draw room border
        ctx.strokeStyle = '#fff';
        ctx.lineWidth = 2;
        ctx.strokeRect(x + 2, y + 2, cellSize - 4, cellSize - 4);
        
        // Draw room icon/initial
        ctx.fillStyle = '#fff';
        ctx.font = 'bold 16px Arial';
        ctx.textAlign = 'center';
        ctx.textBaseline = 'middle';
        ctx.fillText(room.name.charAt(0), x + cellSize/2, y + cellSize/2);
    }
    
    updateBaseInfoOverlay() {
        const infoDisplay = document.getElementById('baseInfoDisplay');
        if (!infoDisplay) return;
        
        const totalRooms = this.base.rooms.length;
        const powerUsage = this.base.power;
        const maxPower = this.base.maxPower;
        const storage = this.base.storage;
        const maxStorage = this.base.maxStorage;
        
        infoDisplay.innerHTML = `
            <div class="base-info-item">
                <strong>Base Name:</strong> ${this.base.name}
            </div>
            <div class="base-info-item">
                <strong>Level:</strong> ${this.base.level}
            </div>
            <div class="base-info-item">
                <strong>Total Rooms:</strong> ${totalRooms}
            </div>
            <div class="base-info-item">
                <strong>Power Usage:</strong> ${powerUsage}/${maxPower}
            </div>
            <div class="base-info-item">
                <strong>Storage:</strong> ${storage}/${maxStorage}
            </div>
        `;
    }
    
    // Ship Gallery
    initializeShipGallery() {
        // Initialize purchased ships array
        if (!this.purchasedShips) {
            this.purchasedShips = [];
            
            // Add current ship to gallery with proper timestamp ID
            const player = this.game.systems.player;
            if (player.ship) {
                this.purchasedShips.push({
                    id: Date.now().toString(), // Use timestamp instead of hardcoded 'current_ship'
                    name: player.ship.name || 'Default Ship',
                    class: player.ship.class || 'fighter',
                    level: player.ship.level || 1,
                    stats: { ...player.attributes },
                    isCurrent: true
                });
            }
        }
    }
    
    updateShipGallery() {
        const shipGrid = document.getElementById('shipGrid');
        if (!shipGrid) {
            return;
        }
        
        if (!this.purchasedShips) {
            this.initializeShipGallery();
        }
        
        if (!this.purchasedShips || this.purchasedShips.length === 0) {
            shipGrid.innerHTML = '<p>No ships purchased yet. Visit the shop to buy ships!</p>';
            return;
        }
        
        shipGrid.innerHTML = '';
        
        this.purchasedShips.forEach(ship => {
            const shipElement = document.createElement('div');
            shipElement.className = `ship-card ${ship.isCurrent ? 'current-ship' : ''}`;
            
            shipElement.innerHTML = `
                <div class="ship-header">
                    <h4>${ship.name}</h4>
                    ${ship.isCurrent ? '<span class="current-badge">Current</span>' : ''}
                </div>
                <div class="ship-info">
                    <div class="ship-class">Class: ${ship.class}</div>
                    <div class="ship-level">Level: ${ship.level}</div>
                </div>
                <div class="ship-stats">
                    <div class="stat">Attack: ${ship.stats.attack || 0}</div>
                    <div class="stat">Speed: ${ship.stats.speed || 0}</div>
                    <div class="stat">Defense: ${ship.stats.defense || 0}</div>
                </div>
                ${!ship.isCurrent ? `
                    <button class="btn btn-primary equip-ship-btn" onclick="window.game.systems.baseSystem.equipShip('${ship.id}')">Equip Ship</button>
                ` : ''}
            `;
            
            shipGrid.appendChild(shipElement);
        });
    }
    
    equipShip(shipId) {
        const ship = this.purchasedShips.find(s => s.id === shipId);
        if (!ship) {
            this.game.showNotification('Ship not found!', 'error', 3000);
            return;
        }
        
        if (ship.isCurrent) {
            this.game.showNotification('This ship is already equipped!', 'info', 3000);
            return;
        }
        
        const player = this.game.systems.player;
        
        player.ship.name = ship.name;
        player.ship.class = ship.class;
        player.ship.level = ship.level;
        player.ship.texture = ship.texture; // Copy texture for image display
        
        // Apply ship-specific stats (not just attributes)
        if (ship.stats.health || ship.stats.hull) {
            const healthValue = ship.stats.health || ship.stats.hull || 100;
            player.ship.maxHealth = healthValue;
            player.ship.health = healthValue;
        }
        if (ship.stats.attack) {
            player.ship.attack = ship.stats.attack;
        }
        if (ship.stats.defense) {
            player.ship.defense = ship.stats.defense;
        }
        if (ship.stats.speed) {
            player.ship.speed = ship.stats.speed;
        }
        if (ship.stats.criticalChance) {
            player.ship.criticalChance = ship.stats.criticalChance;
        }
        if (ship.stats.criticalDamage) {
            player.ship.criticalDamage = ship.stats.criticalDamage;
        }
        
        // Also update player attributes for compatibility
        player.attributes.attack = ship.stats.attack || player.attributes.attack;
        player.attributes.speed = ship.stats.speed || player.attributes.speed;
        player.attributes.defense = ship.stats.defense || player.attributes.defense;
        if (ship.stats.health || ship.stats.hull) {
            const healthValue = ship.stats.health || ship.stats.hull || 100;
            player.attributes.maxHealth = healthValue;
            player.attributes.health = healthValue;
        }
        
        // Update isCurrent flags
        this.purchasedShips.forEach(s => s.isCurrent = false);
        ship.isCurrent = true;
        
        // Force immediate gallery update after flag changes
        const shipGrid = document.getElementById('shipGrid');
        if (shipGrid) {
            shipGrid.innerHTML = '';
            this.updateShipGallery();
        }
        
        // Also update ShipSystem's currentShip to keep systems synchronized
        if (this.game.systems.ship) {
            // Find or create a ship object in ShipSystem format
            const shipSystemShip = {
                id: ship.id,
                name: ship.name,
                image: ship.texture || `assets/textures/ships/${ship.class.toLowerCase()}.png`,
                class: ship.class,
                level: ship.level,
                stats: ship.stats,
                status: 'active',
                rarity: 'Common'
            };
            
            // Update ShipSystem's current ship
            this.game.systems.ship.currentShip = shipSystemShip;
            
            // Update the ships array in ShipSystem if needed
            const existingShipIndex = this.game.systems.ship.ships.findIndex(s => s.id === ship.id);
            if (existingShipIndex >= 0) {
                this.game.systems.ship.ships[existingShipIndex].status = 'active';
                this.game.systems.ship.ships[existingShipIndex] = shipSystemShip;
            } else {
                // Add to ships array if not present
                this.game.systems.ship.ships.push(shipSystemShip);
            }
            
            // Mark all other ships as inactive
            this.game.systems.ship.ships.forEach(s => {
                if (s.id !== ship.id) s.status = 'inactive';
            });
        }
        
        // Only update player UI if in multiplayer mode or game is actively running
        if (this.game.shouldUpdateGUI()) {
            player.updateUI();
        }
        
        this.updateShipGallery();
        
        // Also update ShipSystem display
        if (this.game.systems.ship && this.game.systems.ship.updateCurrentShipDisplay) {
            this.game.systems.ship.updateCurrentShipDisplay();
        } else {
            this.updateCurrentShipDisplayDirect();
        }
        
        // Force save the game to persist the ship change
        this.game.save().then(() => {
            // Force complete gallery refresh after save completes
            const shipGrid = document.getElementById('shipGrid');
            if (shipGrid) {
                shipGrid.innerHTML = ''; // Clear completely
                this.updateShipGallery(); // Rebuild from scratch
            }
            
            // Force ShipSystem to sync with new current ship
            if (this.game.systems.ship && this.game.systems.ship.syncWithPlayerShip) {
                this.game.systems.ship.syncWithPlayerShip();
            }
        });
        
        this.game.showNotification(`Equipped ${ship.name}!`, 'success', 3000);
    }
    
    updateCurrentShipDisplayDirect() {
        const player = this.game.systems.player;
        if (!player || !player.ship) {
            return;
        }

        const elements = {
            currentShipImage: document.getElementById('currentShipImage'),
            currentShipName: document.getElementById('currentShipName'),
            currentShipClass: document.getElementById('currentShipClass'),
            currentShipLevel: document.getElementById('currentShipLevel'),
            currentShipHealth: document.getElementById('currentShipHealth'),
            currentShipAttack: document.getElementById('currentShipAttack'),
            currentShipDefense: document.getElementById('currentShipDefense'),
            currentShipSpeed: document.getElementById('currentShipSpeed')
        };

        const ship = player.ship;
        
        if (elements.currentShipImage) {
            const imagePath = ship.texture || `assets/textures/ships/${ship.class.toLowerCase()}.png`;
            console.log(`[DEBUG] Ship image path: ${imagePath}, texture: ${ship.texture}, class: ${ship.class}`);
            elements.currentShipImage.src = imagePath;
            
            // Add error handling for image loading
            elements.currentShipImage.onerror = function() {
                console.error(`[DEBUG] Failed to load image: ${imagePath}`);
                // Fallback to default ship image
                this.src = 'assets/textures/ships/starter_cruiser.png';
            };
        }
        
        if (elements.currentShipName) elements.currentShipName.textContent = ship.name || 'Unknown Ship';
        if (elements.currentShipClass) elements.currentShipClass.textContent = ship.class || 'Unknown';
        if (elements.currentShipLevel) elements.currentShipLevel.textContent = ship.level || 1;
        if (elements.currentShipHealth) elements.currentShipHealth.textContent = `${ship.health}/${ship.maxHealth}`;
        if (elements.currentShipAttack) elements.currentShipAttack.textContent = ship.attack || 0;
        if (elements.currentShipDefense) elements.currentShipDefense.textContent = ship.defense || ship.defence || 0;
        if (elements.currentShipSpeed) elements.currentShipSpeed.textContent = ship.speed || 0;
    }
    
    addShipToGallery(shipData) {
        this.purchasedShips.push({
            id: Date.now().toString(),
            name: shipData.name,
            class: shipData.type,
            level: 1,
            stats: { ...shipData.stats },
            texture: shipData.texture, // Include texture for image display
            isCurrent: false
        });
        
        this.updateShipGallery();
    }
    
    // Starbase System
    initializeStarbaseSystem() {
        // Initialize starbase collection
        if (!this.starbases) {
            this.starbases = [
                {
                    id: 'main_base',
                    name: 'Command Center Alpha',
                    type: 'command',
                    level: 1,
                    location: 'Sector Alpha-1',
                    isMain: true
                }
            ];
        }
        
        // Define available starbase types
        this.starbaseTypes = {
            mining: {
                name: 'Mining Outpost',
                description: 'Automated mining facility for resource extraction',
                price: 25000,
                currency: 'credits',
                icon: 'fa-hammer',
                benefits: ['+500 credits/hour', '+50 gems/day', '+5 inventory slots'],
                requiredLevel: 5,
                inventoryBonus: 5
            },
            research: {
                name: 'Research Station',
                description: 'Advanced research facility for technology development',
                price: 50000,
                currency: 'credits',
                icon: 'fa-flask',
                benefits: ['+100 experience/hour', '+10% skill progression', '+10 inventory slots'],
                requiredLevel: 10,
                inventoryBonus: 10
            },
            defense: {
                name: 'Defense Platform',
                description: 'Military installation for sector protection',
                price: 40000,
                currency: 'credits',
                icon: 'fa-shield-alt',
                benefits: ['+15% combat effectiveness', '+100 defense rating'],
                requiredLevel: 8,
                inventoryBonus: 8
            },
            trading: {
                name: 'Trading Hub',
                description: 'Commercial center for trade and commerce',
                price: 75000,
                currency: 'credits',
                icon: 'fa-store',
                benefits: ['+20% shop discounts', '+200 gems/day'],
                requiredLevel: 12,
                inventoryBonus: 15
            }
        };
    }
    
    updateStarbaseList() {
        const starbaseList = document.getElementById('starbaseList');
        if (!starbaseList) return;
        
        starbaseList.innerHTML = '';
        
        // Initialize starbases if not exists
        if (!this.starbases) {
            this.initializeStarbaseSystem();
        }
        
        if (!this.starbases || this.starbases.length === 0) {
            starbaseList.innerHTML = '<p>No starbases owned yet.</p>';
            return;
        }
        
        this.starbases.forEach(starbase => {
            const starbaseElement = document.createElement('div');
            starbaseElement.className = `starbase-card ${starbase.isMain ? 'main-starbase' : ''}`;
            
            starbaseElement.innerHTML = `
                <div class="starbase-header">
                    <h4>${starbase.name}</h4>
                    ${starbase.isMain ? '<span class="main-badge">Main Base</span>' : ''}
                </div>
                <div class="starbase-info">
                    <div class="starbase-type">Type: ${starbase.type}</div>
                    <div class="starbase-level">Level: ${starbase.level}</div>
                    <div class="starbase-location">Location: ${starbase.location}</div>
                </div>
                <div class="starbase-actions">
                    <button class="btn btn-secondary" onclick="if(window.game && window.game.systems) window.game.systems.baseSystem.viewStarbaseDetails('${starbase.id}')">
                        View Details
                    </button>
                    ${!starbase.isMain ? `
                        <button class="btn btn-danger" onclick="if(window.game && window.game.systems) window.game.systems.baseSystem.decommissionStarbase('${starbase.id}')">
                            Decommission
                        </button>
                    ` : ''}
                </div>
            `;
            
            starbaseList.appendChild(starbaseElement);
        });
    }
    
    updateStarbasePurchaseList() {
        const purchaseList = document.getElementById('starbasePurchaseItems');
        if (!purchaseList) return;
        
        purchaseList.innerHTML = '';
        
        const player = this.game.systems.player;
        
        Object.entries(this.starbaseTypes).forEach(([type, starbase]) => {
            const starbaseElement = document.createElement('div');
            starbaseElement.className = 'starbase-purchase-card';
            
            const canAfford = this.game.systems.economy.credits >= starbase.price;
            const meetsLevel = player.stats.level >= starbase.requiredLevel;
            const canPurchase = canAfford && meetsLevel;
            
            starbaseElement.innerHTML = `
                <div class="starbase-purchase-header">
                    <h4>${starbase.name}</h4>
                    <div class="starbase-icon">
                        <i class="fas ${starbase.icon}"></i>
                    </div>
                </div>
                <div class="starbase-purchase-description">
                    ${starbase.description}
                </div>
                <div class="starbase-purchase-benefits">
                    <h5>Benefits:</h5>
                    <ul>
                        ${starbase.benefits.map(benefit => `<li>${benefit}</li>`).join('')}
                    </ul>
                </div>
                <div class="starbase-purchase-requirements">
                    <div class="requirement">
                        <strong>Cost:</strong> ${starbase.price} ${starbase.currency}
                    </div>
                    <div class="requirement">
                        <strong>Required Level:</strong> ${starbase.requiredLevel}
                    </div>
                </div>
                <div class="starbase-purchase-actions">
                    <button class="btn btn-primary ${!canPurchase ? 'disabled' : ''}" 
                            onclick="if(window.game && window.game.systems) window.game.systems.baseSystem.purchaseStarbase('${type}')"
                            ${!canPurchase ? 'disabled' : ''}>
                        ${!meetsLevel ? 'Level Required' : !canAfford ? 'Insufficient Funds' : 'Purchase Starbase'}
                    </button>
                </div>
            `;
            
            purchaseList.appendChild(starbaseElement);
        });
    }
    
    purchaseStarbase(type) {
        const starbaseTemplate = this.starbaseTypes[type];
        if (!starbaseTemplate) {
            this.game.showNotification('Invalid starbase type!', 'error', 3000);
            return;
        }
        
        const player = this.game.systems.player;
        const economy = this.game.systems.economy;
        
        // Check requirements
        if (player.stats.level < starbaseTemplate.requiredLevel) {
            this.game.showNotification(`Level ${starbaseTemplate.requiredLevel} required!`, 'error', 3000);
            return;
        }
        
        if (economy.credits < starbaseTemplate.price) {
            this.game.showNotification('Insufficient credits!', 'error', 3000);
            return;
        }
        
        // Process payment
        economy.credits -= starbaseTemplate.price;
        
        // Create new starbase
        const newStarbase = {
            id: Date.now().toString(),
            name: `${starbaseTemplate.name} ${this.starbases.length}`,
            type: type,
            level: 1,
            location: `Sector ${String.fromCharCode(65 + this.starbases.length)}-${this.starbases.length}`,
            isMain: false,
            benefits: starbaseTemplate.benefits
        };
        
        this.starbases.push(newStarbase);
        
        // Apply benefits
        this.applyStarbaseBenefits(newStarbase);
        
        // Only update UI if in multiplayer mode or game is actively running
        if (this.game.shouldUpdateGUI()) {
            economy.updateUI();
            this.updateStarbaseList();
            this.updateStarbasePurchaseList();
        }
        
        this.game.showNotification(`Purchased ${starbaseTemplate.name}!`, 'success', 4000);
    }
    
    applyStarbaseBenefits(starbase) {
        // Apply passive benefits based on starbase type
        switch (starbase.type) {
            case 'mining':
                // Start passive credit generation
                this.startMiningProduction(starbase);
                // Apply inventory bonus
                this.updateInventoryBonusSlots();
                break;
            case 'research':
                // Apply experience bonus
                this.game.systems.player.experienceMultiplier = (this.game.systems.player.experienceMultiplier || 1) + 0.1;
                // Apply inventory bonus
                this.updateInventoryBonusSlots();
                break;
            case 'defense':
                // Apply defense bonus
                this.game.systems.player.attributes.defense = Math.floor(this.game.systems.player.attributes.defense * 1.2);
                // Apply inventory bonus
                this.updateInventoryBonusSlots();
                break;
            case 'trading':
                // Apply shop discount
                this.game.systems.economy.discountMultiplier = 0.85;
                // Apply inventory bonus
                this.updateInventoryBonusSlots();
                break;
        }
    }
    
    updateInventoryBonusSlots() {
        // Calculate total inventory bonus from all owned starbases
        let totalBonusSlots = 0;
        
        if (this.starbases && this.starbases.length > 0) {
            this.starbases.forEach(starbase => {
                const starbaseType = this.starbaseTypes[starbase.type];
                if (starbaseType && starbaseType.inventoryBonus) {
                    totalBonusSlots += starbaseType.inventoryBonus;
                }
            });
        }
        
        // Update inventory system with new bonus slots
        if (this.game.systems.inventory) {
            this.game.systems.inventory.updateStarbaseBonusSlots(totalBonusSlots);
        }
    }
    
    startMiningProduction(starbase) {
        // Only start mining if in multiplayer mode or game is actively running
        const shouldStartMining = window.smartSaveManager?.isMultiplayer || this.game?.isRunning;
        
        if (shouldStartMining && !this.miningInterval) {
            // Set up passive credit generation
            this.miningInterval = setInterval(() => {
                this.game.systems.economy.addCredits(500, 'mining_outpost');
            }, 3600000); // 1 hour
            
            console.log('[BASE SYSTEM] Mining production started');
        } else if (!shouldStartMining) {
            console.log('[BASE SYSTEM] Skipping mining production - not in multiplayer mode');
        }
    }
    
    viewStarbaseDetails(starbaseId) {
        const starbase = this.starbases.find(s => s.id === starbaseId);
        if (!starbase) return;
        
        const details = `
            <h3>${starbase.name}</h3>
            <p><strong>Type:</strong> ${starbase.type}</p>
            <p><strong>Level:</strong> ${starbase.level}</p>
            <p><strong>Location:</strong> ${starbase.location}</p>
            ${starbase.benefits ? `
                <h4>Active Benefits:</h4>
                <ul>
                    ${starbase.benefits.map(benefit => `<li>${benefit}</li>`).join('')}
                </ul>
            ` : ''}
        `;
        
        if (this.game && this.game.systems && this.game.systems.ui) {
            this.game.systems.ui.showModal('Starbase Details', details);
        }
    }
    
    decommissionStarbase(starbaseId) {
        if (!confirm('Are you sure you want to decommission this starbase? You will receive 50% of its value back.')) {
            return;
        }
        
        const starbaseIndex = this.starbases.findIndex(s => s.id === starbaseId);
        if (starbaseIndex === -1) return;
        
        const starbase = this.starbases[starbaseIndex];
        const refundAmount = Math.floor(this.starbaseTypes[starbase.type].price * 0.5);
        
        // Remove starbase
        this.starbases.splice(starbaseIndex, 1);
        
        // Give refund
        this.game.systems.economy.addCredits(refundAmount, 'starbase_refund');
        
        // Update inventory bonus slots after removal
        this.updateInventoryBonusSlots();
        
        // Update UI
        this.updateStarbaseList();
        this.updateStarbasePurchaseList();
        
        this.game.showNotification(`Decommissioned ${starbase.name}. Refunded ${refundAmount} credits.`, 'info', 4000);
    }
    
    updateBaseDisplay() {
        const baseRoomsElement = document.getElementById('baseRooms');
        if (!baseRoomsElement) return;
        
        // Ensure grid is initialized
        if (!this.grid || this.grid.length === 0) {
            console.log('[BASE SYSTEM] Grid not initialized, initializing now');
            this.initializeGrid();
        }
        
        baseRoomsElement.innerHTML = '';
        
        // Create grid container
        const gridContainer = document.createElement('div');
        gridContainer.className = 'base-grid';
        
        // Create grid cells
        for (let y = 0; y < this.gridSize; y++) {
            for (let x = 0; x < this.gridSize; x++) {
                const cell = document.createElement('div');
                cell.className = 'base-cell';
                cell.dataset.x = x;
                cell.dataset.y = y;
                
                const room = this.getRoomAt(x, y);
                if (room) {
                    // Check if this is the main cell of the room
                    if (room.x === x && room.y === y) {
                        cell.className += ` room ${room.type}`;
                        cell.innerHTML = `
                            <div class="room-icon">
                                <i class="fas ${this.roomTypes[room.type].icon}"></i>
                            </div>
                            <div class="room-level">L${room.level}</div>
                        `;
                        cell.title = `${room.name} (Level ${room.level})`;
                    } else {
                        // Other cells of the same room are just filled
                        cell.innerHTML = '';
                    }
                    cell.title = `${room.name} (Level ${room.level})`;
                } else {
                    cell.className += ' empty';
                    cell.addEventListener('click', () => this.showRoomBuildMenu(x, y));
                }
                
                gridContainer.appendChild(cell);
            }
        }
        
        baseRoomsElement.appendChild(gridContainer);
        
        // Add base info with connected inventory storage
        const baseInfo = document.createElement('div');
        baseInfo.className = 'base-info';
        
        // Get inventory information
        const inventoryInfo = this.game.systems.inventory ? this.game.systems.inventory.getInventoryInfo() : null;
        
        baseInfo.innerHTML = `
            <h3>${this.base.name}</h3>
            <div class="base-stats">
                <div>Level: ${this.base.level}</div>
                <div>Power: ${this.base.power}/${this.base.maxPower}</div>
                <div>Storage: ${inventoryInfo ? `${inventoryInfo.currentSlots}/${inventoryInfo.totalMaxSlots}` : `${this.base.storage}/${this.base.maxStorage}`} slots</div>
                ${inventoryInfo ? `<div class="storage-breakdown">
                    <small>Base: ${inventoryInfo.baseMaxSlots} | Starbase Bonus: +${inventoryInfo.starbaseBonusSlots}</small>
                </div>` : ''}
            </div>
        `;
        
        baseRoomsElement.appendChild(baseInfo);
    }
    
    updateUpgradesList() {
    const upgradesElement = document.getElementById('baseUpgrades');
    if (!upgradesElement) return;
    
    upgradesElement.innerHTML = '';
    
    Object.entries(this.upgrades).forEach(([upgradeId, upgrade]) => {
        const upgradeElement = document.createElement('div');
        upgradeElement.className = 'upgrade-item';
        
        const cost = upgrade.cost * (upgrade.currentLevel + 1);
        const canAfford = this.game.systems.economy.credits >= cost;
        const isMaxLevel = upgrade.currentLevel >= upgrade.maxLevel;
        
        upgradeElement.innerHTML = `
            <div class="upgrade-name">${upgrade.name}</div>
            <div class="upgrade-description">${upgrade.description}</div>
            <div class="upgrade-level">Level: ${upgrade.currentLevel}/${upgrade.maxLevel}</div>
            <div class="upgrade-cost">Cost: ${cost} credits</div>
            <button class="btn btn-primary ${!canAfford || isMaxLevel ? 'disabled' : ''}"
                    onclick="if(window.game && window.game.systems) window.game.systems.baseSystem.upgradeBase('${upgradeId}')"
                    ${!canAfford || isMaxLevel ? 'disabled' : ''}>
                ${isMaxLevel ? 'MAX' : 'Upgrade'}
            </button>
        `;
        
        upgradesElement.appendChild(upgradeElement);
    });
}

showRoomBuildMenu(x, y) {
    const availableRooms = Object.entries(this.roomTypes)
        .filter(([roomType, template]) => 
            template.requiredLevel <= this.game.systems.player.stats.level
        )
        .filter(([roomType, template]) => this.canBuildRoom(roomType, x, y));
    
    if (availableRooms.length === 0) {
        this.game.showNotification('No rooms available for this location', 'warning', 3000);
        return;
    }
    
    let menuContent = '<h3>Build Room</h3><div class="room-options">';
    
    availableRooms.forEach(([roomType, template]) => {
        const roomSize = this.getRoomSize(template.size);
        menuContent += `
            <div class="room-option" onclick="if(window.game && window.game.systems) window.game.systems.baseSystem.addRoom('${roomType}', ${x}, ${y})">
                <div class="room-option-header">
                    <i class="fas ${template.icon}"></i>
                    <span>${template.name}</span>
                </div>
                <div class="room-option-info">
                    <div>Size: ${roomSize.width}x${roomSize.height}</div>
                    <div>Power: ${template.powerCost > 0 ? '+' : ''}${template.powerCost}</div>
                    <div>Cost: ${template.buildCost} credits</div>
                </div>
                <div class="room-option-description">${template.description}</div>
            </div>
        `;
    });
    
    menuContent += '</div>';
}
    
    updateUpgradesList() {
        const upgradesElement = document.getElementById('baseUpgrades');
        if (!upgradesElement) return;
        
        upgradesElement.innerHTML = '';
        
        Object.entries(this.upgrades).forEach(([upgradeId, upgrade]) => {
            const upgradeElement = document.createElement('div');
            upgradeElement.className = 'upgrade-item';
            
            const cost = upgrade.cost * (upgrade.currentLevel + 1);
            const canAfford = this.game.systems.economy.credits >= cost;
            const isMaxLevel = upgrade.currentLevel >= upgrade.maxLevel;
            
            upgradeElement.innerHTML = `
                <div class="upgrade-name">${upgrade.name}</div>
                <div class="upgrade-description">${upgrade.description}</div>
                <div class="upgrade-level">Level: ${upgrade.currentLevel}/${upgrade.maxLevel}</div>
                <div class="upgrade-cost">Cost: ${cost} credits</div>
                <button class="btn btn-primary ${!canAfford || isMaxLevel ? 'disabled' : ''}"
                        onclick="if(window.game && window.game.systems) window.game.systems.baseSystem.upgradeBase('${upgradeId}')"
                        ${!canAfford || isMaxLevel ? 'disabled' : ''}>
                    ${isMaxLevel ? 'MAX' : 'Upgrade'}
                </button>
            `;
            
            upgradesElement.appendChild(upgradeElement);
        });
    }
    
    showRoomBuildMenu(x, y) {
        const availableRooms = Object.entries(this.roomTypes)
            .filter(([roomType, template]) => 
                template.requiredLevel <= this.game.systems.player.stats.level
            )
            .filter(([roomType, template]) => this.canBuildRoom(roomType, x, y));
        
        if (availableRooms.length === 0) {
            this.game.showNotification('No rooms available for this location', 'warning', 3000);
            return;
        }
        
        let menuContent = '<h3>Build Room</h3><div class="room-options">';
        
        availableRooms.forEach(([roomType, template]) => {
            const roomSize = this.getRoomSize(template.size);
            menuContent += `
                <div class="room-option" onclick="if(window.game && window.game.systems) window.game.systems.baseSystem.addRoom('${roomType}', ${x}, ${y})">
                    <div class="room-option-header">
                        <i class="fas ${template.icon}"></i>
                        <span>${template.name}</span>
                    </div>
                    <div class="room-option-info">
                        <div>Size: ${roomSize.width}x${roomSize.height}</div>
                        <div>Power: ${template.powerCost > 0 ? '+' : ''}${template.powerCost}</div>
                        <div>Cost: ${template.buildCost} credits</div>
                    </div>
                    <div class="room-option-description">${template.description}</div>
                </div>
            `;
        });
        
        menuContent += '</div>';
        
        if (this.game && this.game.systems && this.game.systems.ui) {
            this.game.systems.ui.showModal('Build Room', menuContent);
        }
    }
    
    // Save/Load
    save() {
        const debugLogger = window.debugLogger;
        
        // if (debugLogger) debugLogger.startStep('BaseSystem.save', {
        //     baseName: this.base.name,
        //     baseLevel: this.base.level,
        //     roomsCount: this.base.rooms.length,
        //     gridCellsCount: this.grid.flat().filter(cell => cell !== null).length,
        //     upgradesCount: Object.keys(this.upgrades).length
        // });
        
        const saveData = {
            base: this.base,
            grid: this.grid,
            upgrades: this.upgrades,
            purchasedShips: this.purchasedShips || []
        };
        
        // if (debugLogger) debugLogger.endStep('BaseSystem.save', {
        //     saveDataSize: JSON.stringify(saveData).length,
        //     baseSaved: {
        //         name: saveData.base.name,
        //         level: saveData.base.level,
        //         roomsCount: saveData.base.rooms.length
        //     },
        //     gridSaved: {
        //         gridSize: this.gridSize,
        //         occupiedCells: this.grid.flat().filter(cell => cell !== null).length
        //     },
        //     upgradesSaved: Object.keys(saveData.upgrades).map(id => ({
        //         id: id,
        //         currentLevel: saveData.upgrades[id].currentLevel
        //     })),
        //     saveData: saveData
        // });
        
        return saveData;
    }
    
    load(data) {
        const debugLogger = window.debugLogger;
        const oldState = {
            baseName: this.base.name,
            baseLevel: this.base.level,
            roomsCount: this.base.rooms.length,
            upgradesState: Object.keys(this.upgrades).map(id => ({
                id: id,
                currentLevel: this.upgrades[id].currentLevel
            }))
        };
        
        if (debugLogger) debugLogger.startStep('BaseSystem.load', {
            oldState: oldState,
            loadData: data
        });
        
        try {
            if (data.base) {
                const oldBase = { ...this.base };
                this.base = { ...this.base, ...data.base };
                
                if (debugLogger) debugLogger.logStep('Base data loaded', {
                    oldBase: {
                        name: oldBase.name,
                        level: oldBase.level,
                        roomsCount: oldBase.rooms.length
                    },
                    newBase: {
                        name: this.base.name,
                        level: this.base.level,
                        roomsCount: this.base.rooms.length
                    }
                });
            }
            
            if (data.grid) {
                const oldGrid = this.grid;
                this.grid = data.grid;
                
                if (debugLogger) debugLogger.logStep('Grid data loaded', {
                    oldGridCells: oldGrid.flat().filter(cell => cell !== null).length,
                    newGridCells: this.grid.flat().filter(cell => cell !== null).length,
                    gridSize: this.gridSize
                });
            }
            
            if (data.upgrades) {
                const oldUpgrades = Object.keys(this.upgrades).map(id => ({
                    id: id,
                    currentLevel: this.upgrades[id].currentLevel
                }));
                
                Object.entries(data.upgrades).forEach(([upgradeId, upgrade]) => {
                    if (this.upgrades[upgradeId]) {
                        Object.assign(this.upgrades[upgradeId], upgrade);
                        
                        if (debugLogger) debugLogger.logStep('Upgrade loaded', {
                            upgradeId: upgradeId,
                            oldLevel: oldUpgrades.find(u => u.id === upgradeId)?.currentLevel || 0,
                            newLevel: this.upgrades[upgradeId].currentLevel
                        });
                    }
                });
            }
            
            // Load purchased ships
            if (data.purchasedShips) {
                this.purchasedShips = data.purchasedShips;
                if (debugLogger) debugLogger.logStep('Purchased ships loaded', {
                    shipsCount: this.purchasedShips.length,
                    shipNames: this.purchasedShips.map(s => s.name)
                });
                
                // Find the current ship from gallery and sync with player
                const currentGalleryShip = this.purchasedShips.find(s => s.isCurrent);
                if (currentGalleryShip) {
                    const player = this.game.systems.player;
                    if (player && player.ship) {
                        console.log('[DEBUG] Syncing player ship with gallery current ship:', currentGalleryShip);
                        
                        // Update player's ship with gallery current ship data
                        player.ship.name = currentGalleryShip.name;
                        player.ship.class = currentGalleryShip.class;
                        player.ship.level = currentGalleryShip.level;
                        player.ship.texture = currentGalleryShip.texture;
                        
                        // Update player attributes with ship stats
                        if (currentGalleryShip.stats) {
                            Object.assign(player.attributes, currentGalleryShip.stats);
                            
                            // Update player.ship properties for consistency
                            player.ship.health = currentGalleryShip.stats.health || currentGalleryShip.stats.hull || 100;
                            player.ship.maxHealth = currentGalleryShip.stats.maxHealth || currentGalleryShip.stats.hull || 100;
                            player.ship.attack = currentGalleryShip.stats.attack || 10;
                            player.ship.defence = currentGalleryShip.stats.defense || currentGalleryShip.stats.defence || 5;
                            player.ship.speed = currentGalleryShip.stats.speed || 10;
                        }
                        
                        console.log('[DEBUG] Player ship updated:', player.ship);
                        console.log('[DEBUG] Player attributes updated:', player.attributes);
                        
                        // Only update UI displays if in multiplayer mode or game is actively running
                        if (this.game.shouldUpdateGUI()) {
                            player.updateUI();
                            if (this.game.systems.ship && this.game.systems.ship.updateCurrentShipDisplay) {
                                this.game.systems.ship.updateCurrentShipDisplay();
                            }
                        }
                    }
                }
            }
            
            // Update base stats after loading
            if (debugLogger) debugLogger.logStep('Updating base stats after load');
            this.updateBaseStats();
            
            // Update ship gallery after loading ships
            if (data.purchasedShips) {
                this.updateShipGallery();
            }
            
            if (debugLogger) debugLogger.endStep('BaseSystem.load', {
                success: true,
                oldState: oldState,
                newState: {
                    baseName: this.base.name,
                    baseLevel: this.base.level,
                    roomsCount: this.base.rooms.length,
                    upgradesState: Object.keys(this.upgrades).map(id => ({
                        id: id,
                        currentLevel: this.upgrades[id].currentLevel
                    }))
                },
                baseStatsUpdated: true
            });
        } catch (error) {
            if (debugLogger) debugLogger.errorEvent('BaseSystem.load', error, {
                oldState: oldState,
                loadData: data,
                error: error.message
            });
            throw error;
        }
    }

reset() {
    this.baseLevel = 1;
    this.rooms = {};
    // Reset upgrades to initial state
    this.upgrades = {
        power_efficiency: {
            name: 'Power Efficiency',
            description: 'Reduces power consumption of all rooms',
            cost: 1000,
            effect: { powerReduction: 0.1 },
            maxLevel: 5,
            currentLevel: 0
        },
        storage_expansion: {
            name: 'Storage Expansion',
            description: 'Increases inventory slots for item storage',
            cost: 5000,
            maxLevel: 10,
            currentLevel: 0,
            icon: 'fa-boxes',
            slotBonus: 5
        },
        automation_systems: {
            name: 'Automation Systems',
            description: 'Automated resource generation and processing',
            cost: 2500,
            maxLevel: 10,
            currentLevel: 0,
            icon: 'fa-robot'
        }
    };
    this.resources = {
        energy: 100,
        materials: 50,
        research: 0
    };
    this.initializeBaseData();
}

updateBaseStats() {
        const debugLogger = window.debugLogger;
        
        if (debugLogger) debugLogger.startStep('BaseSystem.updateBaseStats');
        
        // Calculate total power and storage from rooms
        let totalPower = 0;
        let totalStorage = 0;
        
        this.base.rooms.forEach(room => {
            const roomTemplate = this.roomTypes[room.type];
            if (roomTemplate) {
                totalPower += roomTemplate.powerGeneration || 0;
                totalStorage += roomTemplate.storageBonus || 0;
            }
        });
        
        // Update base stats
        this.base.power = Math.max(0, totalPower);
        this.base.maxStorage = 1000 + totalStorage;
        
        // Update UI if available
        if (this.game.systems.ui && this.game.systems.ui.updateBaseSystem) {
            this.game.systems.ui.updateBaseSystem();
        }
        
        // if (debugLogger) debugLogger.endStep('BaseSystem.updateBaseStats', {
        //     totalPower: this.base.power,
        //     maxStorage: this.base.maxStorage,
        //     roomsCount: this.base.rooms.length
        // });
    }
}