import { Entity, PrimaryGeneratedColumn, Column, CreateDateColumn, UpdateDateColumn, ManyToOne, OneToMany, JoinColumn } from 'typeorm';
import { User } from '../users/user.entity';
import { DecisionTreeNode } from '../decision-tree-nodes/decision-tree-node.entity';
import { DecisionTreeEdge } from '../decision-tree-edges/decision-tree-edge.entity';

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

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

  @Column({ type: 'varchar', length: 255, nullable: true })
  slug?: string;

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

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

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

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

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

  @OneToMany(() => DecisionTreeNode, (node) => node.tree)
  nodes?: DecisionTreeNode[];

  @OneToMany(() => DecisionTreeEdge, (edge) => edge.tree)
  edges?: DecisionTreeEdge[];
}