import { Injectable } from '@nestjs/common'
import { classToPlain } from 'class-transformer'

import { VideoPlaylist } from '../models/video_playlist.model'
import { HttpService } from '../services/http'

import { BaseRepository } from './base.repository'

const INSERT = `
  mutation insert($videoPlaylist: video_playlist_insert_input!) {
    insert_video_playlist_one(object: $videoPlaylist) {
      id
    }
  }
`

const DELETE_ALL = `
mutation delete_all_video_playlists {
  delete_video_playlist(where: {}) {
    affected_rows
  }
}
`

@Injectable()
export class VideoPlaylistRepository extends BaseRepository {
  constructor(protected readonly httpService: HttpService) {
    super(httpService, 'video_playlist')
  }

  async create(videoPlaylist: Partial<VideoPlaylist>): Promise<string> {
    const qv = { videoPlaylist: classToPlain(videoPlaylist) }
    const { data } = await this.fetchGraphQL({
      body: { query: INSERT, variables: qv },
    })

    return data.insert_video_playlist_one.id
  }

  async deleteAll(): Promise<void> {
    await this.fetchGraphQL({
      body: { query: DELETE_ALL },
    })
  }
}