import { Decimal } from 'decimal.js-light'
import {
  BaseEntity,
  Entity,
  PrimaryGeneratedColumn,
  Column,
  DeleteDateColumn,
  OneToOne,
  JoinColumn,
  OneToMany,
} from 'typeorm'
import { DecimalTransformer } from '../../src/typeorm/DecimalTransformer'
import { DltTransaction } from '../DltTransaction'
import { User } from '../User'
import { Transaction } from '../Transaction'

@Entity('transaction_links')
export class TransactionLink extends BaseEntity {
  @PrimaryGeneratedColumn('increment', { unsigned: true })
  id: number

  @Column({ unsigned: true, nullable: false })
  userId: number

  @Column({
    type: 'decimal',
    precision: 40,
    scale: 20,
    nullable: false,
    transformer: DecimalTransformer,
  })
  amount: Decimal

  @Column({
    type: 'decimal',
    name: 'hold_available_amount',
    precision: 40,
    scale: 20,
    nullable: false,
    transformer: DecimalTransformer,
  })
  holdAvailableAmount: Decimal

  @Column({ length: 255, nullable: false, collation: 'utf8mb4_unicode_ci' })
  memo: string

  @Column({ length: 24, nullable: false, collation: 'utf8mb4_unicode_ci' })
  code: string

  @Column({
    type: 'datetime',
    nullable: false,
  })
  createdAt: Date

  @DeleteDateColumn()
  deletedAt: Date | null

  @Column({
    type: 'datetime',
    nullable: false,
  })
  validUntil: Date

  @Column({
    type: 'datetime',
    nullable: true,
  })
  redeemedAt: Date | null

  @Column({ type: 'int', unsigned: true, nullable: true })
  redeemedBy: number | null

  @OneToOne(() => DltTransaction, (dlt) => dlt.transactionLinkId)
  @JoinColumn({ name: 'id', referencedColumnName: 'transactionLinkId' })
  dltTransaction?: DltTransaction | null

  @OneToOne(() => User, (user) => user.transactionLink)
  @JoinColumn({ name: 'userId' })
  user: User

  @OneToMany(() => Transaction, (transaction) => transaction.transactionLink)
  @JoinColumn({ referencedColumnName: 'transaction_link_id' })
  transactions: Transaction[]
}