import { Test } from '@/modules/tests/entities/test.entity';
import {
  Column,
  CreateDateColumn,
  Entity,
  Index,
  ManyToOne,
  OneToMany,
  PrimaryGeneratedColumn,
} from 'typeorm';
import { QuestionType } from '../enums/question-type.enum';
import type { QuestionMetadata } from '../types/question-metadata.type';
import { Choice } from './choice.entity';
import { UNIQUE_TEST_ORDER_IDX } from '../constants';
import { QuestionRangeRule } from './question-range-rule.entity';
import { QuestionTransition } from './question-transition.entity';

@Entity()
@Index(UNIQUE_TEST_ORDER_IDX, ['test', 'order'], { unique: true })
export class Question {
  @PrimaryGeneratedColumn()
  id!: number;

  @ManyToOne(() => Test, (test) => test.questions, {
    onDelete: 'CASCADE',
  })
  test!: Test;

  @Column({
    type: 'enum',
    enum: QuestionType,
    default: QuestionType.SINGLE_CHOICE,
  })
  type!: QuestionType;

  @Column({ type: 'text', nullable: false })
  content!: string;

  @Column({ type: 'int', nullable: false })
  @Index()
  order!: number;

  @Column({ type: 'int', default: 1 })
  weight!: number;

  @Column({ type: 'boolean', default: true })
  required!: boolean;

  @OneToMany(() => QuestionRangeRule, (rangeRule) => rangeRule.question)
  rangeRules?: Array<QuestionRangeRule>;

  @Column({ type: 'jsonb', nullable: true })
  metadata!: QuestionMetadata;

  @OneToMany(() => Choice, (choice) => choice.question)
  choices!: Array<Choice>;

  @OneToMany(() => QuestionTransition, (transition) => transition.fromQuestion)
  outgoingTransitions!: Array<QuestionTransition>;

  @OneToMany(() => QuestionTransition, (transition) => transition.toQuestion)
  incomingTransitions!: Array<QuestionTransition>;

  @CreateDateColumn()
  createdAt!: Date;
}