import mongoose from "mongoose";

const ExchangeHistorySchema = new mongoose.Schema(
  {
    userId: {
      type: mongoose.Schema.Types.ObjectId,
      ref: "User",
      required: true,
    },
    username: {
      type: String,
      required: true,
    },
    item: {
      type: mongoose.Schema.Types.ObjectId,
      ref: "ExchangeItem",
      required: true,
    },
    status: {
      type: String,
      enum: ["待兑换未审核", "待兑换已审核", "已兑换", "拒绝"],
      default: "待兑换未审核",
    },
    points: { type: Number, default: 0 },
    exchangeInfo: {
      account: { type: String },
      name: { type: String },
      phone: { type: String },
      address: { type: String },
    },
    exchangeTime: { type: Date },
    exchangeCount: { type: Number, default: 0 },
  },
  { timestamps: true }
);

ExchangeHistorySchema.index({ "userId": 1 }); // userId 索引
ExchangeHistorySchema.index({ "username": 1 }); // username 索引
ExchangeHistorySchema.index({ "createdAt": 1 }); // createdAt 索引

export default mongoose.models.ExchangeHistory ||
  mongoose.model("ExchangeHistory", ExchangeHistorySchema);