import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, ManyToOne, JoinColumn } from 'typeorm';
import { WechatCouponStock } from './wechat-coupon-stock.entity';

@Entity('wechat_coupons')
export class WechatCoupon {
  @PrimaryGeneratedColumn({ unsigned: true })
  id!: number;

  @Column({ name: 'coupon_id', type: 'varchar', length: 32, unique: true, comment: '微信支付代金券ID' })
  couponId!: string;

  @Column({ name: 'stock_id', type: 'varchar', length: 32, comment: '批次号' })
  stockId!: string;

  @Column({ name: 'openid', type: 'varchar', length: 64, comment: '用户openid' })
  openid!: string;

  @Column({ name: 'out_request_no', type: 'varchar', length: 64, comment: '商户请求单号' })
  outRequestNo!: string;

  @Column({ name: 'coupon_status', type: 'varchar', length: 20, default: 'SENDED', comment: '代金券状态：SENDED-已发放，USED-已使用，EXPIRED-已过期' })
  couponStatus!: string;

  @Column({ name: 'amount', type: 'int', comment: '代金券面额（分）' })
  amount!: number;

  @Column({ name: 'available_start_time', type: 'datetime', comment: '可用开始时间' })
  availableStartTime!: Date;

  @Column({ name: 'available_end_time', type: 'datetime', comment: '可用结束时间' })
  availableEndTime!: Date;

  @Column({ name: 'used_time', type: 'datetime', nullable: true, comment: '使用时间' })
  usedTime!: Date | null;

  @Column({ name: 'transaction_id', type: 'varchar', length: 64, nullable: true, comment: '微信支付订单号' })
  transactionId!: string | null;

  @Column({ name: 'stock_id_ref', type: 'int', unsigned: true, comment: '批次ID' })
  stockIdRef!: number;

  @ManyToOne(() => WechatCouponStock)
  @JoinColumn({ name: 'stock_id_ref' })
  stock!: WechatCouponStock;

  @Column({ name: 'created_by', type: 'int', nullable: true, comment: '创建用户ID' })
  createdBy!: number | null;

  @Column({ name: 'updated_by', type: 'int', nullable: true, comment: '更新用户ID' })
  updatedBy!: number | null;

  @CreateDateColumn({ name: 'created_at' })
  createdAt!: Date;

  @UpdateDateColumn({ name: 'updated_at' })
  updatedAt!: Date;
}