import { Prop, Schema, SchemaFactory } from '@nestjs/mongoose';
import { Document } from 'mongoose';
import { BaseEntity } from 'src/_core/entity/_base.entity';
import * as mongoosePaginate from 'mongoose-paginate-v2';
import { v4 as uuidv4 } from 'uuid';

@Schema({ _id: false, id: false }) // Disable _id and virtual id
export class Answer extends BaseEntity {
  @Prop({
    type: String,
    default: () => uuidv4(),
    required: true,
    immutable: true,
  })
  participantId: string;

  @Prop({
    type: String,
    default: () => uuidv4(),
    required: true,
    immutable: true,
  })
  questionId: string; // form can be identified based on question

  @Prop({
    type: String,
    required: true,
  })
  value: string;   //value can be mapped to option based on question type


}

export type AnswerDocument = Answer & Document;
export const AnswerSchema = SchemaFactory.createForClass(Answer);
AnswerSchema.plugin(mongoosePaginate);

// Transform the output to remove the internal '_id'
AnswerSchema.set('toJSON', {
  transform: (doc: AnswerDocument, ret: Answer & { _id?: any }) => {
    delete ret._id;
    return ret;
  },
});