import {
  Entity,
  PrimaryGeneratedColumn,
  Column,
  ManyToOne,
  JoinColumn,
  CreateDateColumn,
} from 'typeorm';
import { Wallet } from './wallet.entity';
import { TransactionType } from '../../common/enums';

@Entity('wallet_transactions')
export class WalletTransaction {
  @PrimaryGeneratedColumn('uuid')
  id: string;

  @Column({ type: 'enum', enum: TransactionType })
  type: TransactionType;

  @Column({ type: 'decimal', precision: 14, scale: 2 })
  amount: number; // Amount in Toman (positive)

  @Column({ type: 'decimal', precision: 14, scale: 2 })
  balanceAfter: number; // Balance after this transaction

  @Column({ nullable: true })
  description: string; // e.g. "Charge via admin", "Payment for app: my-app (monthly)"

  @Column({ nullable: true })
  applicationId: string; // Linked application (for deductions)

  @ManyToOne(() => Wallet, (wallet: Wallet) => wallet.transactions, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'walletId' })
  wallet: Wallet;

  @Column()
  walletId: string;

  @CreateDateColumn()
  createdAt: Date;
}