import { Injectable } from '@nestjs/common';
import { InjectModel } from '@nestjs/mongoose';
import { GraphQLError } from 'graphql';
import { Model, Types } from 'mongoose';
import { FormDocument, FormSchemaName } from '../../schema/form.schema';
import { UserDocument } from '../../schema/user.schema';

@Injectable()
export class FormService {
  constructor(
    @InjectModel(FormSchemaName) private formModel: Model<FormDocument>,
  ) {
  }

  async isAdmin(form: FormDocument, user: UserDocument): Promise<boolean> {
    if (user.roles.includes('superuser')) {
      return true
    }

    return Types.ObjectId(form.admin.id).equals(Types.ObjectId(user.id))
  }

  async findById(id: string): Promise<FormDocument> {
    const form = await this.formModel.findById(id);

    if (!form) {
      throw new Error('no form found')
    }

    return form
  }
}