import { model, Schema, Types } from "mongoose";

const paymentHistorySchema = new Schema({
  amount: {
    type: Number,
    required: true,
  },
  paymentDate: {
    type: Date,
    required: true,
  },
  paymentMethod: {
    type: String,
    required: true,
  },
  transactionId: {
    type: String,
    required: true,
  },
  createdOn: {
    type: Date,
    required: true,
  },
  createdBy: {
    type: Types.ObjectId,
    ref: "user",
    required: true,
  },
});

const itemSchema = new Schema({
  id: {
    type: Types.ObjectId,
    required: true,
  },
  unitCostPrice: {
    type: Number,
    required: true,
  },
  unitSellingPrice: {
    type: Number,
    required: true,
  },
  qty: {
    type: Number,
    required: true,
  },
  taxPercent: {
    type: Number,
    required: true,
  },
  taxAmount: {
    type: Number,
    required: true,
  },
  discount: {
    type: Number,
    required: true,
  },
  total: {
    type: Number,
    required: true,
  },
});

const schema = new Schema({
  customer: {
    type: Types.ObjectId,
    ref: "partner",
    required: true,
  },
  items: {
    type: [itemSchema],
    required: true,
  },
  netTotal: {
    type: Number,
    required: true,
  },
  total: {
    type: Number,
    required: true,
  },
  status: {
    type: String,
    enum: ["PENDING", "COMPLETED", "PARTIAL"],
    default: "PENDING",
  },
  dueDate: {
    type: Date,
    required: true,
  },
  createdOn: {
    type: Date,
    required: true,
  },
  createdBy: {
    type: Types.ObjectId,
    ref: "user",
    required: true,
  },
  paymentHistory: {
    type: [paymentHistorySchema],
    default: [],
  },
});

export default model("invoice", schema);