import { CustomValidationError } from '@rucken/core-nestjs';
import { Type } from 'class-transformer';
import { IsNotEmpty, MaxLength, validateSync } from 'class-validator';
import {
  BeforeInsert,
  BeforeUpdate,
  Column,
  CreateDateColumn,
  Entity,
  JoinColumn,
  ManyToOne,
  PrimaryGeneratedColumn,
  UpdateDateColumn
} from 'typeorm';

@Entity({ name: 'custom-entities' })
export class CustomEntity {
  @PrimaryGeneratedColumn()
  id: number = undefined;

  @Column({ length: 100 })
  @IsNotEmpty()
  @MaxLength(100)
  name: string = undefined;

  @Column({ length: 255 })
  @IsNotEmpty()
  @MaxLength(255)
  title: string = undefined;

  @CreateDateColumn({ name: 'created_at', nullable: true })
  createdAt: Date = undefined;

  @UpdateDateColumn({ name: 'updated_at', nullable: true })
  updatedAt: Date = undefined;

  @BeforeInsert()
  doBeforeInsertion() {
    const errors = validateSync(this, { validationError: { target: false } });
    if (errors.length > 0) {
      throw new CustomValidationError(errors);
    }
  }

  @BeforeUpdate()
  doBeforeUpdate() {
    const errors = validateSync(this, { validationError: { target: false } });
    if (errors.length > 0) {
      throw new CustomValidationError(errors);
    }
  }
}