import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, ManyToOne, JoinColumn } from 'typeorm';
import { Module } from '../modules/module.entity';
import { User } from '../users/user.entity';

@Entity({ name: 'module_versions' })
export class ModuleVersion {
  @PrimaryGeneratedColumn({ type: 'bigint' })
  id!: number;

  @Column({ type: 'bigint', name: 'module_id' })
  moduleId!: number;

  @ManyToOne(() => Module, { onDelete: 'CASCADE' })
  @JoinColumn({ name: 'module_id' })
  module?: Module;

  @Column({ type: 'int' })
  versionNumber!: number;

  @Column({ type: 'varchar', length: 255 })
  title!: string;

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

  @Column({ type: 'json', nullable: true })
  data?: Record<string, any>;

  @Column({
    type: 'enum',
    enum: ['DRAFT', 'IN_REVIEW', 'PUBLISHED', 'ARCHIVED'],
    default: 'DRAFT',
  })
  status!: string;

  @Column({ type: 'bigint', name: 'created_by', nullable: true })
  createdBy?: number;

  @ManyToOne(() => User, { onDelete: 'SET NULL', nullable: true })
  @JoinColumn({ name: 'created_by' })
  creator?: User;

  @Column({ type: 'bigint', name: 'published_by', nullable: true })
  publishedBy?: number;

  @ManyToOne(() => User, { onDelete: 'SET NULL', nullable: true })
  @JoinColumn({ name: 'published_by' })
  publisher?: User;

  @Column({ type: 'datetime', name: 'published_at', nullable: true })
  publishedAt?: Date;

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