import {
  Entity,
  Index,
  ManyToOne,
  OneToMany,
  Property,
  Collection,
  Cascade,
  Enum,
  BeforeCreate,
  Unique,
  type EventArgs,
} from '@mikro-orm/core';
import { BaseEntity } from '../../../common/entities/base.entity';
import { OrderCouponDetail, OrderStatus } from '../interface/order.interface';
import { User } from '../../users/entities/user.entity';
import { Shop } from '../../shops/entities/shop.entity';
import { PaymentMethod } from '../../payments/entities/payment-method.entity';
import { OrderItem } from './order-item.entity';
import { Delivery } from '../../delivery/entities/delivery.entity';
import { OrderUserAddress, OrderCarAddress } from '../interface/order.interface';
import { Payment } from 'src/modules/payments/entities/payment.entity';

@Entity({ tableName: 'orders' })
@Unique({ properties: ['shop', 'orderNumber'] })
@Index({ properties: ['shop', 'status'] })
@Index({ properties: ['user', 'status'] })
@Index({ properties: ['shop', 'orderNumber'] })
@Index({ properties: ['status'] })
export class Order extends BaseEntity {
  @ManyToOne(() => User)
  user!: User;

  @ManyToOne(() => Shop)
  shop!: Shop;

  @ManyToOne(() => Delivery)
  deliveryMethod!: Delivery;

  @OneToMany(() => Payment, payment => payment.order, {
    cascade: [Cascade.ALL],
    orphanRemoval: true,
  })
  payments = new Collection<Payment>(this);

  @OneToMany(() => OrderItem, item => item.order, {
    cascade: [Cascade.ALL],
    orphanRemoval: true,
  })
  items = new Collection<OrderItem>(this);

  @Property({ type: 'json', nullable: true })
  userAddress?: OrderUserAddress | null;
  // for car delivery
  @Property({ type: 'json', nullable: true })
  carAddress?: OrderCarAddress | null;

  @ManyToOne(() => PaymentMethod)
  paymentMethod: PaymentMethod;

  @Property({ type: 'int', defaultRaw: `nextval('order_number_seq')` })
  orderNumber!: number;

  @Property({ type: 'decimal', precision: 10, scale: 0, default: 0 })
  couponDiscount: number = 0;

  @Property({ type: 'jsonb', nullable: true })
  couponDetail?: OrderCouponDetail | null;

  @Property({ type: 'decimal', precision: 10, scale: 0, default: 0 })
  itemsDiscount: number = 0;

  @Property({ type: 'decimal', precision: 10, scale: 0, default: 0 })
  totalDiscount: number = 0;

  @Property({ type: 'decimal', precision: 10, scale: 0 })
  subTotal!: number;

  @Property({ type: 'decimal', precision: 10, scale: 0, default: 0 })
  tax: number = 0;

  @Property({ type: 'decimal', precision: 10, scale: 0, default: 0 })
  deliveryFee: number = 0;

  @Property({ type: 'decimal', precision: 10, scale: 0 })
  total!: number;

  @Property({ type: 'int', default: 0 })
  totalItems: number = 0;

  @Property({ type: 'text', nullable: true })
  description?: string;

  @Property({ nullable: true })
  tableNumber?: string;

  @Enum(() => OrderStatus)
  status!: OrderStatus;

  @Property({ type: 'json', nullable: true })
  history: Array<{ status: OrderStatus; changedAt: Date; desc: string | null }> = [];


}