import { Context, Inject, Provide } from '@midwayjs/core';
import { InjectEntityModel } from '@midwayjs/typeorm';
import { Repository } from 'typeorm';
import { Chapter } from '../entity/chapter.entity';
import { VodService } from './vod.service';

@Provide()
export class ChapterService {
  @Inject()
  ctx: Context;

  @Inject()
  vodService: VodService;

  @InjectEntityModel(Chapter)
  chapterModel: Repository<Chapter>;

  async create(chapterList: Chapter[]) {
    for (const chapter of chapterList) {
      const { chapter_file_id: fileID } = chapter;
      if (fileID) {
        const { data } = await this.vodService.selectMediaByFileId(fileID);
        chapter.media_cover_url = data.MediaInfoSet[0].BasicInfo.CoverUrl;
        chapter.media_time = '' + data.MediaInfoSet[0].MetaData.Duration;
        chapter.media_url =
          data.MediaInfoSet[0].AdaptiveDynamicStreamingInfo.AdaptiveDynamicStreamingSet[0].Url;
      }
      await this.chapterModel.save(chapter);
    }
  }

  async select(course_id: string) {
    const result = await this.chapterModel.find({
      where: { chapter_course_id: course_id },
      order: { order: 'asc' },
    });
    return result;
  }
}