;(function () {
  'use strict'

  var async = require('async')
  var chai = require('chai')
  var expect = chai.expect

  var utils = require('./utils')

  describe('Test advanced friends', function () {
    var apps = []
    var urls = []

    function makeFriends (pod_number, callback) {
      return utils.makeFriends(urls[pod_number - 1], callback)
    }

    function quitFriends (pod_number, callback) {
      return utils.quitFriends(urls[pod_number - 1], callback)
    }

    function getFriendsList (pod_number, end) {
      return utils.getFriendsList(urls[pod_number - 1], end)
    }

    function uploadVideo (pod_number, callback) {
      var name = 'my super video'
      var description = 'my super description'
      var fixture = 'video_short.webm'

      return utils.uploadVideo(urls[pod_number - 1], name, description, fixture, callback)
    }

    function getVideos (pod_number, callback) {
      return utils.getVideosList(urls[pod_number - 1], callback)
    }

    before(function (done) {
      this.timeout(30000)
      utils.runMultipleServers(6, function (apps_run, urls_run) {
        apps = apps_run
        urls = urls_run
        done()
      })
    })

    after(function (done) {
      apps.forEach(function (app) {
        process.kill(-app.pid)
      })

      if (this.ok) {
        utils.flushTests(function () {
          done()
        })
      } else {
        done()
      }
    })

    it('Should make friends with two pod each in a different group', function (done) {
      this.timeout(20000)

      // Pod 3 makes friend with the first one
      makeFriends(3, function () {
        // Pod 4 makes friend with the second one
        makeFriends(4, function () {
          // Now if the fifth wants to make friends with the third et the first
          makeFriends(5, function () {
            setTimeout(function () {
              // It should have 0 friends
              getFriendsList(5, function (err, res) {
                if (err) throw err

                expect(res.body.length).to.equal(0)

                done()
              })
            }, 11000)
          })
        })
      })
    })

    it('Should quit all friends', function (done) {
      this.timeout(10000)
      quitFriends(1, function () {
        quitFriends(2, function () {
          async.each([ 1, 2, 3, 4, 5, 6 ], function (i, callback) {
            getFriendsList(i, function (err, res) {
              if (err) throw err
              expect(res.body.length).to.equal(0)
              callback()
            })
          }, function () {
            done()
          })
        })
      })
    })

    it('Should make friends with the pods 1, 2, 3', function (done) {
      this.timeout(150000)

      // Pods 1, 2, 3 and 4 become friends (yes this is beautiful)
      makeFriends(2, function () {
        makeFriends(1, function () {
          makeFriends(4, function () {
            // Kill the server 4
            apps[3].kill()

            // Expulse pod 4 from pod 1 and 2
            uploadVideo(1, function () {
              uploadVideo(2, function () {
                setTimeout(function () {
                  uploadVideo(1, function () {
                    uploadVideo(2, function () {
                      setTimeout(function () {
                        // Rerun server 4
                        utils.runServer(4, function (app, url) {
                          apps[3] = app
                          getFriendsList(4, function (err, res) {
                            if (err) throw err
                            // Pod 4 didn't know pod 1 and 2 removed it
                            expect(res.body.length).to.equal(3)

                            // Pod 6 ask pod 1, 2 and 3
                            makeFriends(6, function () {
                              getFriendsList(6, function (err, res) {
                                if (err) throw err

                                // Pod 4 should not be our friend
                                var result = res.body
                                expect(result.length).to.equal(3)
                                for (var pod of result) {
                                  expect(pod.url).not.equal(urls[3])
                                }

                                done()
                              })
                            })
                          })
                        })
                      }, 15000)
                    })
                  })
                }, 11000)
              })
            })
          })
        })
      })
    })

    it('Should pod 1 quit friends', function (done) {
      this.timeout(25000)
      // Upload a video on server 3 for aditionnal tests
      uploadVideo(3, function () {
        setTimeout(function () {
          quitFriends(1, function () {
            // Remove pod 1 from pod 2
            getVideos(1, function (err, res) {
              if (err) throw err
              expect(res.body).to.be.an('array')
              expect(res.body.length).to.equal(2)

              getVideos(2, function (err, res) {
                if (err) throw err
                expect(res.body).to.be.an('array')
                expect(res.body.length).to.equal(3)
                done()
              })
            })
          })
        }, 15000)
      })
    })

    it('Should make friends between pod 1 and 2 and exchange their videos', function (done) {
      this.timeout(20000)
      makeFriends(1, function () {
        setTimeout(function () {
          getVideos(1, function (err, res) {
            if (err) throw err

            expect(res.body).to.be.an('array')
            expect(res.body.length).to.equal(5)

            done()
          })
        }, 5000)
      })
    })
  })
})()