import mongoose from "mongoose";
import AutoIncrement from "mongoose-sequence";

const connection = mongoose.connection;

const OrderSchema = new mongoose.Schema({
  orderId: { type: Number, unique: true },

  vendorId: {
    type: mongoose.Schema.Types.ObjectId,
    ref: "Vendor",
    required: true,
  },
  storeId: {
    type: mongoose.Schema.Types.ObjectId,
    ref: "Store",
    required: true,
  },

  pgpAddress: { type: String, required: true },
  orderDate: { type: Date, default: Date.now, },
  txid: { type: Array, default: [] },

  products: [
    {
      productId: {
        type: mongoose.Schema.Types.ObjectId,
        ref: "Product",
        required: true,
      },
      quantity: { type: Number, required: true, min: 0.1 },
      pricePerUnit: { type: Number, required: true, min: 0.01 },
      totalItemPrice: { type: Number, required: true, min: 0.01 },
    },
  ],

  shippingMethod: { type: Object },

  totalPrice: { type: Number, required: true, min: 0.01 },
  
  // Promotion fields
  promotion: {
    type: mongoose.Schema.Types.ObjectId,
    ref: "Promotion",
    default: null
  },
  promotionCode: {
    type: String,
    default: null
  },
  discountAmount: {
    type: Number,
    default: 0,
    min: 0
  },
  subtotalBeforeDiscount: {
    type: Number,
    default: 0,
    min: 0
  },

  status: {
    type: String,
    enum: [
      "unpaid",
      "cancelled",
      "confirming",
      "paid",
      "shipped",
      "disputed",
      "completed",
      "acknowledged"
    ],
    default: "unpaid",
  },

  paymentAddress: { type: String, required: true },

  wallet: {
    type: mongoose.Schema.Types.ObjectId,
    ref: "Wallet",
  },

  cryptoTotal: { type: Number, required: true, default: 0 },
  //txid: { type: String, default: null },

  telegramChatId: { type: String, default: null },
  telegramBuyerId: { type: String, default: null },
  telegramUsername: { type: String, default: null },
  trackingNumber: { type: String, default: null },

  escrowExpiresAt: {
    type: Date,
    required: true,
    default: () => new Date(Date.now() + 8 * 24 * 60 * 60 * 1000),
  },
});

OrderSchema.plugin(AutoIncrement(connection), { inc_field: "orderId" });
export default mongoose.model("Order", OrderSchema);