import mongoose from 'mongoose';

const BetOrderSchema = new mongoose.Schema({
  sid: { type: String, index: true },
  stake: { type: Number, default: 0 },
  platform: { type: String, default: 'polymarket', index: true },
  status: { type: String, default: 'created', index: true },
  side: { type: String, default: 'BUY', index: true },
  size: { type: Number },
  polymarketOrderID: { type: String, index: true },
  polymarketOrder: { type: mongoose.Schema.Types.Mixed },
  iorsValues: { type: mongoose.Schema.Types.Mixed },
  sol: { type: mongoose.Schema.Types.Mixed },
  stakeLimit: { type: mongoose.Schema.Types.Mixed },
  winLimit: { type: mongoose.Schema.Types.Mixed },
  iorsInfo: { type: mongoose.Schema.Types.Mixed },
  cpr: { type: mongoose.Schema.Types.Mixed },
  gameRelation: { type: mongoose.Schema.Types.Mixed },
}, {
  timestamps: true,
});

BetOrderSchema.index({ createdAt: -1 });

const BetOrder = mongoose.models.BetOrder || mongoose.model('BetOrder', BetOrderSchema);

export const createBetOrder = async ({
  sid,
  stake,
  side = 'BUY',
  size,
  polymarketOrder,
  iorsValues,
  sol,
  stakeLimit,
  winLimit,
  iorsInfo,
  cpr,
  gameRelation,
} = {}) => {
  const orderID = polymarketOrder?.orderID || polymarketOrder?.id;
  const status = polymarketOrder?.status || 'created';

  return BetOrder.create({
    sid: sid != null ? String(sid) : undefined,
    stake: Number(stake) || 0,
    status,
    side,
    size: Number.isFinite(Number(size)) ? Number(size) : undefined,
    polymarketOrderID: orderID,
    polymarketOrder,
    iorsValues,
    sol,
    stakeLimit,
    winLimit,
    iorsInfo,
    cpr,
    gameRelation,
  });
}

export const getBetOrders = async ({ limit = 100 } = {}) => {
  const queryLimit = Math.min(Math.max(Number(limit) || 100, 1), 500);
  return BetOrder.find({})
  .sort({ createdAt: -1 })
  .limit(queryLimit)
  .lean();
}

export const removeBetOrder = async (id) => {
  if (!id) {
    throw new Error('id is required', { cause: 400 });
  }

  const result = await BetOrder.findByIdAndDelete(id).lean();
  if (!result) {
    throw new Error('order not found', { cause: 404 });
  }
  return result;
}

export default {
  createBetOrder,
  getBetOrders,
  removeBetOrder,
};