import {DriverInput, OutputSize} from "../interface";
import AbstractDriver from "../abstractDriver";

const youtubedl = require('@microlink/youtube-dl');

export class YoutubeThumbnailPreviewDriver extends AbstractDriver {
  supportedInputs = [DriverInput.Source];
  supportedOutputSizes = [OutputSize.Medium];

  async processBySource(url, options: any = {}) {
    return new Promise((resolve, reject) => {
      youtubedl.getThumbs(url, {
        // Downloads available thumbnail.
        all: false,
        // The directory to save the downloaded files in.
        cwd: '/tmp/',
      }, function (err, files) {
        if (err)
          throw err;
        console.log('thumbnail file downloaded:', files);
        //TODO: find out better approach for get previews od youtube, without tmp files
        resolve({
          path: decodeURIComponent('/tmp/' + files[0]),
          type: 'image/jpg',
          extension: 'jpg'
        })
        // const oldPath = decodeURIComponent('/tmp/' + files[0]);
        // const newPath = '/tmp/' + _.last(url.split('/'));
        // fs.rename(oldPath, newPath, (err) => {
        //     if (err) throw err;
        //     resolve({
        //         path: newPath,
        //         type: 'image/jpg'
        //     })
        // });

      });
    })
  }
}