// const fetch = require('node-fetch')

// // greets chatgpt
// async function getFileDetailsFromUrl(url) {
//   const controller = new AbortController();
//   const signal = controller.signal;

//   const options = {
//     signal,
//   };

//   let retries = 10;

//   while (retries) {
//     console.log(`fetching ${url}`);
//     const timeoutId = setTimeout(() => {
//       console.log('fetch timed out, aborting...');
//       controller.abort();
//     }, 5000);

//     try {
//       const res = await fetch(url, options);

//       clearTimeout(timeoutId);

//       console.log('finished fetch');
//       if (!res.ok) throw new Error(`problem while getting file from url with url ${url}`);
//       if (!res?.headers?.get('x-bz-file-name')) throw new Error(`${url} did not have a x-bz-file-name in the response headers`);
//       if (!res?.headers?.get('x-bz-file-id')) throw new Error(`${url} did not have a x-bz-file-id in the response headers`);

//       return {
//         key: res.headers.get('x-bz-file-name'),
//         url: url,
//         uploadId: res.headers.get('x-bz-file-id'),
//       };
//     } catch (err) {
//       clearTimeout(timeoutId);
//       retries--;

//       if (retries === 0) {
//         console.error(`Could not fetch file details from URL: ${url}.`);
//         throw err;
//       }

//       console.warn(`Retrying fetch (${retries} attempts left)`);
//     }
//   }
// }




module.exports = {
  async up(knex) {
    // You have full access to the Knex.js API with an already initialized connection to the database


    // we iterate through the local, non-strapi backup db first.
    // get list of all tags 
    // for each tag
    //   * get list of related vods
    //   * create relation in Strapi
    //   * 



    // Get all VODs from the database
    const vods = await knex.select('*').from('vods');


    // Process each VOD
    for (const vod of vods) {

      // courtesy timer
      await new Promise((resolve) => setTimeout(resolve, 10))

      // @todo 

      console.log(vod)
      // Get the file details from the VOD's video source URL
      if (vod?.video_src) {
        try {
          const fileDetails = await getFileDetailsFromUrl(vod.video_src);

          // Insert the B2 file into the database
          const [file] = await knex('b2_files').insert({
            url: fileDetails.url,
            key: fileDetails.key,
            upload_id: fileDetails.uploadId,
          }).returning('id');

          console.log(file)
          console.log(`attempting to insert vod_id:${vod.id}, b_2_file_id:${file.id} for videoSrcB2`)

          // Link the B2 file to the VOD
          await knex('vods_video_src_b_2_links').insert({
            vod_id: vod.id,
            b_2_file_id: file.id,
          });
        } catch (e) {
          console.error(e)
          console.log(`there was an error so we are skipping vod ${vod.id}`)
        }
      } else {
        console.log(`${vod.id} has no video_src. skipping.`)
      }
    }
  },
};