/**
 * API/models/PlayerData.js
 *
 * Minimal PlayerData model for the API server — only what the payment webhook
 * needs to read and credit gems. Shares the 'playerdatas' collection with
 * the GameServer's full PlayerData model (same MongoDB, same schema name).
 *
 * Do NOT add complex game logic here — that belongs in GameServer.
 */

const mongoose = require('mongoose');

// Minimal schema — Mixed types let us read/write without strict field validation
const playerDataSchema = new mongoose.Schema({
  userId:   { type: String, required: true, unique: true },
  username: { type: String },
  stats:    { type: mongoose.Schema.Types.Mixed, default: {} },
}, {
  strict: false,          // allow all fields to be stored (don't strip unknown fields)
  timestamps: true,
});

// Prevent model re-registration error on hot-reload
let PlayerData;
try {
  PlayerData = mongoose.model('PlayerData');
} catch (e) {
  PlayerData = mongoose.model('PlayerData', playerDataSchema);
}

module.exports = PlayerData;