/* tslint:disable:no-unused-expression */

import * as chai from 'chai'
import 'mocha'
import { VideoDetails } from '../../../../shared/models/videos'
import { getVideoFileFPS } from '../../../helpers/ffmpeg-utils'
import {
  flushAndRunMultipleServers, flushTests, getVideo, getVideosList, killallServers, root, ServerInfo, setAccessTokensToServers, uploadVideo,
  wait, webtorrentAdd
} from '../../utils'
import { join } from 'path'

const expect = chai.expect

describe('Test video transcoding', function () {
  let servers: ServerInfo[] = []

  before(async function () {
    this.timeout(30000)

    // Run servers
    servers = await flushAndRunMultipleServers(2)

    await setAccessTokensToServers(servers)
  })

  it('Should not transcode video on server 1', async function () {
    this.timeout(60000)

    const videoAttributes = {
      name: 'my super name for server 1',
      description: 'my super description for server 1',
      fixture: 'video_short.webm'
    }
    await uploadVideo(servers[0].url, servers[0].accessToken, videoAttributes)

    await wait(10000)

    const res = await getVideosList(servers[0].url)
    const video = res.body.data[0]

    const res2 = await getVideo(servers[0].url, video.id)
    const videoDetails = res2.body
    expect(videoDetails.files).to.have.lengthOf(1)

    const magnetUri = videoDetails.files[0].magnetUri
    expect(magnetUri).to.match(/\.webm/)

    const torrent = await webtorrentAdd(magnetUri)
    expect(torrent.files).to.be.an('array')
    expect(torrent.files.length).to.equal(1)
    expect(torrent.files[0].path).match(/\.webm$/)
  })

  it('Should transcode video on server 2', async function () {
    this.timeout(60000)

    const videoAttributes = {
      name: 'my super name for server 2',
      description: 'my super description for server 2',
      fixture: 'video_short.webm'
    }
    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)

    await wait(20000)

    const res = await getVideosList(servers[1].url)

    const video = res.body.data[0]
    const res2 = await getVideo(servers[1].url, video.id)
    const videoDetails = res2.body

    expect(videoDetails.files).to.have.lengthOf(4)

    const magnetUri = videoDetails.files[0].magnetUri
    expect(magnetUri).to.match(/\.mp4/)

    const torrent = await webtorrentAdd(magnetUri)
    expect(torrent.files).to.be.an('array')
    expect(torrent.files.length).to.equal(1)
    expect(torrent.files[0].path).match(/\.mp4$/)
  })

  it('Should transcode to 30 FPS', async function () {
    this.timeout(60000)

    const videoAttributes = {
      name: 'my super 30fps name for server 2',
      description: 'my super 30fps description for server 2',
      fixture: 'video_60fps_short.mp4'
    }
    await uploadVideo(servers[1].url, servers[1].accessToken, videoAttributes)

    await wait(20000)

    const res = await getVideosList(servers[1].url)

    const video = res.body.data[0]
    const res2 = await getVideo(servers[1].url, video.id)
    const videoDetails: VideoDetails = res2.body

    expect(videoDetails.files).to.have.lengthOf(1)

    for (const resolution of [ '240' ]) {
      const path = join(root(), 'test2', 'videos', video.uuid + '-' + resolution + '.mp4')
      const fps = await getVideoFileFPS(path)

      expect(fps).to.be.below(31)
    }
  })

  after(async function () {
    killallServers(servers)

    // Keep the logs if the test failed
    if (this['ok']) {
      await flushTests()
    }
  })
})