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

import * as chai from 'chai'
import 'mocha'

import {
  flushAndRunMultipleServers,
  flushTests,
  getVideosList,
  killallServers,
  ServerInfo,
  setAccessTokensToServers,
  uploadVideo,
  wait
} from '../utils'
import { follow, getFollowersListPaginationAndSort, getFollowingListPaginationAndSort, unfollow } from '../utils/follows'

const expect = chai.expect

describe('Test follows', function () {
  let servers: ServerInfo[] = []
  let server3Id: number

  before(async function () {
    this.timeout(120000)

    servers = await flushAndRunMultipleServers(3)

    // Get the access tokens
    await setAccessTokensToServers(servers)
  })

  it('Should not have followers', async function () {
    for (const server of servers) {
      const res = await getFollowersListPaginationAndSort(server.url, 0, 5, 'createdAt')
      const follows = res.body.data

      expect(res.body.total).to.equal(0)
      expect(follows).to.be.an('array')
      expect(follows.length).to.equal(0)
    }
  })

  it('Should not have following', async function () {
    for (const server of servers) {
      const res = await getFollowingListPaginationAndSort(server.url, 0, 5, 'createdAt')
      const follows = res.body.data

      expect(res.body.total).to.equal(0)
      expect(follows).to.be.an('array')
      expect(follows.length).to.equal(0)
    }
  })

  it('Should have server 1 following server 2 and 3', async function () {
    this.timeout(10000)

    await follow(servers[0].url, [ servers[1].url, servers[2].url ], servers[0].accessToken)

    await wait(7000)
  })

  it('Should have 2 followings on server 1', async function () {
    let res = await getFollowingListPaginationAndSort(servers[0].url, 0, 1, 'createdAt')
    let follows = res.body.data

    expect(res.body.total).to.equal(2)
    expect(follows).to.be.an('array')
    expect(follows.length).to.equal(1)

    res = await getFollowingListPaginationAndSort(servers[0].url, 1, 1, 'createdAt')
    follows = follows.concat(res.body.data)

    const server2Follow = follows.find(f => f.following.host === 'localhost:9002')
    const server3Follow = follows.find(f => f.following.host === 'localhost:9003')

    expect(server2Follow).to.not.be.undefined
    expect(server3Follow).to.not.be.undefined
    expect(server2Follow.state).to.equal('accepted')
    expect(server3Follow.state).to.equal('accepted')

    server3Id = server3Follow.following.id
  })

  it('Should have 0 followings on server 1 and 2', async function () {
    for (const server of [ servers[1], servers[2] ]) {
      const res = await getFollowingListPaginationAndSort(server.url, 0, 5, 'createdAt')
      const follows = res.body.data

      expect(res.body.total).to.equal(0)
      expect(follows).to.be.an('array')
      expect(follows.length).to.equal(0)
    }
  })

  it('Should have 1 followers on server 2 and 3', async function () {
    for (const server of [ servers[1], servers[2] ]) {
      let res = await getFollowersListPaginationAndSort(server.url, 0, 1, 'createdAt')

      let follows = res.body.data
      expect(res.body.total).to.equal(1)
      expect(follows).to.be.an('array')
      expect(follows.length).to.equal(1)
      expect(follows[0].follower.host).to.equal('localhost:9001')
    }
  })

  it('Should have 0 followers on server 1', async function () {
    const res = await getFollowersListPaginationAndSort(servers[0].url, 0, 5, 'createdAt')
    const follows = res.body.data

    expect(res.body.total).to.equal(0)
    expect(follows).to.be.an('array')
    expect(follows.length).to.equal(0)
  })

  it('Should unfollow server 3 on server 1', async function () {
    this.timeout(5000)

    await unfollow(servers[0].url, servers[0].accessToken, server3Id)

    await wait(3000)
  })

  it('Should not follow server 3 on server 1 anymore', async function () {
    const res = await getFollowingListPaginationAndSort(servers[0].url, 0, 2, 'createdAt')
    let follows = res.body.data

    expect(res.body.total).to.equal(1)
    expect(follows).to.be.an('array')
    expect(follows.length).to.equal(1)

    expect(follows[0].following.host).to.equal('localhost:9002')
  })

  it('Should not have server 1 as follower on server 3 anymore', async function () {
    const res = await getFollowersListPaginationAndSort(servers[2].url, 0, 1, 'createdAt')

    let follows = res.body.data
    expect(res.body.total).to.equal(0)
    expect(follows).to.be.an('array')
    expect(follows.length).to.equal(0)
  })

  it('Should upload a video on server 2 ans 3 and propagate only the video of server 2', async function () {
    this.timeout(10000)

    await uploadVideo(servers[1].url, servers[1].accessToken, { name: 'server2' })
    await uploadVideo(servers[2].url, servers[2].accessToken, { name: 'server3' })

    await wait(5000)

    let res = await getVideosList(servers[0].url)
    expect(res.body.total).to.equal(1)
    expect(res.body.data[0].name).to.equal('server2')

    res = await getVideosList(servers[1].url)
    expect(res.body.total).to.equal(1)
    expect(res.body.data[0].name).to.equal('server2')

    res = await getVideosList(servers[2].url)
    expect(res.body.total).to.equal(1)
    expect(res.body.data[0].name).to.equal('server3')
  })

  after(async function () {
    killallServers(servers)

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