(function () {
  'use strict';

  angular
    .module('dataLogs')
    .controller('DataCenterController', DataCenterController);

  DataCenterController.$inject = ['$scope', '$state', '$translate', '$timeout', 'Authentication', 'userResolve', '$window', 'MeanTorrentConfig', 'NotifycationService',
    'UserDaysLogsService', 'UserMonthsLogsService', '$rootScope', 'moment', 'DebugConsoleService', '$filter', 'UserScoreLogsService', 'UserAnnounceLogsService'];

  function DataCenterController($scope, $state, $translate, $timeout, Authentication, DataUser, $window, MeanTorrentConfig, NotifycationService,
                                UserDaysLogsService, UserMonthsLogsService, $rootScope, moment, mtDebug, $filter, UserScoreLogsService, UserAnnounceLogsService) {
    $scope.$state = $state;

    var vm = this;
    vm.user = Authentication.user;
    vm.dataUser = $scope.$parent.dataUser = DataUser;
    vm.itemsPerPageConfig = MeanTorrentConfig.meanTorrentConfig.itemsPerPage;
    vm.announceConfig = MeanTorrentConfig.meanTorrentConfig.announce;
    vm.scoreConfig = MeanTorrentConfig.meanTorrentConfig.score;

    /**
     * $scope.$on('chart-create')
     */
    $scope.$on('chart-create', function (evt, chart) {
      chart.generateLegend();
    });

    /**
     * getUserDaysLogs
     */
    vm.getUserDaysLogs = function () {
      UserDaysLogsService.query({
        userId: $state.params.uid ? $state.params.uid : vm.user._id
      }, function (items) {
        vm.userDaysLogsData = getUserDaysLogsData(items);
        mtDebug.info(vm.userDaysLogsData);
      }, function (res) {
        NotifycationService.showErrorNotify(res.data.message, 'DATA_CENTER.GET_USER_LOGS_ERROR');
      });
    };

    /**
     * getUserDaysLogsData
     * @param items
     * @returns {{labels: Array, series: {score: Array, uploaded: Array, downloaded: Array}, data: {score: Array, uploaded: Array, downloaded: Array}}}
     */
    function getUserDaysLogsData(items) {
      var logsData = {
        labels: [],
        series: {
          score: [],
          uploaded: [],
          downloaded: []
        },
        data: {
          score: [[]],
          uploaded: [[]],
          downloaded: [[]]
        },
        colors: {
          score: ['rgb(255,102,0)']
        },
        options: {
          legendCallback: function (chart) {
            angular.forEach(chart.legend.legendItems, function (l) {
              switch (l.text) {
                case $translate.instant('DATA_CENTER.SERIES_UPLOADED'):
                case $translate.instant('DATA_CENTER.SERIES_DOWNLOADED'):
                  l.text += $translate.instant('DATA_CENTER.LEGEND_UNIT');
              }
            });
          },
          legend: {
            display: true
          },
          tooltips: {
            intersect: false
          }
        }
      };

      //labels
      for (var i = vm.announceConfig.userDaysLogDays - 1; i >= 0; i--) {
        logsData.labels.push(moment().subtract(i, 'days').format('YYYY-MM-DD'));
      }

      //series
      logsData.series.score.push($translate.instant('DATA_CENTER.SERIES_SCORE'));
      logsData.series.uploaded.push($translate.instant('DATA_CENTER.SERIES_UPLOADED'));
      logsData.series.downloaded.push($translate.instant('DATA_CENTER.SERIES_DOWNLOADED'));

      //data
      angular.forEach(logsData.labels, function (lab) {
        var labItems = $filter('where')(items, {ymd: lab});

        var labScore = labItems.length > 0 ? labItems.map(function (x) {
          return x.score;
        }).reduce(function (a, b) {
          return a + b;
        }) : 0;
        logsData.data.score[0].push(labScore);

        var labUploaded = labItems.length > 0 ? labItems.map(function (x) {
          return x.uploaded;
        }).reduce(function (a, b) {
          return a + b;
        }) : 0;
        logsData.data.uploaded[0].push(Math.round(labUploaded / (1024 * 1024 * 1024) * 100) / 100);

        var labDownloaded = labItems.length > 0 ? labItems.map(function (x) {
          return x.downloaded;
        }).reduce(function (a, b) {
          return a + b;
        }) : 0;
        logsData.data.downloaded[0].push(Math.round(labDownloaded / (1024 * 1024 * 1024) * 100) / 100);
      });

      return logsData;
    }

    /**
     * getUserMonthsLogs
     */
    vm.getUserMonthsLogs = function () {
      UserMonthsLogsService.query({
        userId: $state.params.uid ? $state.params.uid : vm.user._id
      }, function (items) {
        vm.userMonthsLogsData = getUserMonthsLogsData(items);
        mtDebug.info(vm.userMonthsLogsData);
      }, function (res) {
        NotifycationService.showErrorNotify(res.data.message, 'DATA_CENTER.GET_USER_LOGS_ERROR');
      });
    };

    /**
     * getUserMonthsLogsData
     * @param items
     * @returns {{labels: Array, series: {score: Array, uploaded: Array, downloaded: Array}, data: {score: Array, uploaded: Array, downloaded: Array}}}
     */
    function getUserMonthsLogsData(items) {
      var logsData = {
        labels: [],
        series: {
          score: [],
          uploaded: [],
          downloaded: []
        },
        data: {
          score: [[]],
          uploaded: [[]],
          downloaded: [[]]
        },
        colors: {
          score: ['rgb(255,102,0)']
        },
        options: {
          legendCallback: function (chart) {
            angular.forEach(chart.legend.legendItems, function (l) {
              switch (l.text) {
                case $translate.instant('DATA_CENTER.SERIES_UPLOADED'):
                case $translate.instant('DATA_CENTER.SERIES_DOWNLOADED'):
                  l.text += $translate.instant('DATA_CENTER.LEGEND_UNIT');
              }
            });
          },
          legend: {
            display: true
          },
          tooltips: {
            intersect: false
          }
        }
      };

      //labels
      for (var i = vm.announceConfig.userMonthsLogMonths - 1; i >= 0; i--) {
        logsData.labels.push(moment().subtract(i, 'months').format('YYYY-MM'));
      }

      //series
      logsData.series.score.push($translate.instant('DATA_CENTER.SERIES_SCORE'));
      logsData.series.uploaded.push($translate.instant('DATA_CENTER.SERIES_UPLOADED'));
      logsData.series.downloaded.push($translate.instant('DATA_CENTER.SERIES_DOWNLOADED'));

      //data
      angular.forEach(logsData.labels, function (lab) {
        var labItems = $filter('where')(items, {ym: lab});

        var labScore = labItems.length > 0 ? labItems.map(function (x) {
          return x.score;
        }).reduce(function (a, b) {
          return a + b;
        }) : 0;
        logsData.data.score[0].push(labScore);

        var labUploaded = labItems.length > 0 ? labItems.map(function (x) {
          return x.uploaded;
        }).reduce(function (a, b) {
          return a + b;
        }) : 0;
        logsData.data.uploaded[0].push(Math.round(labUploaded / (1024 * 1024 * 1024) * 100) / 100);

        var labDownloaded = labItems.length > 0 ? labItems.map(function (x) {
          return x.downloaded;
        }).reduce(function (a, b) {
          return a + b;
        }) : 0;
        logsData.data.downloaded[0].push(Math.round(labDownloaded / (1024 * 1024 * 1024) * 100) / 100);
      });

      return logsData;
    }

    /**
     * getUserScoreHistory
     */
    vm.getUserScoreHistory = function () {
      UserScoreLogsService.query({
        userId: $state.params.uid ? $state.params.uid : vm.user._id
      }, function (items) {
        vm.userLogsData = items;
        vm.buildPager();
      }, function (res) {
        NotifycationService.showErrorNotify(res.data.message, 'DATA_CENTER.GET_USER_LOGS_ERROR');
      });
    };

    /**
     * getUserAnnounceHistory
     */
    vm.getUserAnnounceHistory = function (status) {
      UserAnnounceLogsService.query({
        userId: $state.params.uid ? $state.params.uid : vm.user._id
      }, function (items) {
        if (status === 'seeding') {
          vm.userLogsData = items.filter(function (it) {
            return it.write_uploaded > 0;
          });
        } else {
          vm.userLogsData = items.filter(function (it) {
            return it.write_downloaded > 0;
          });
        }
        vm.buildPager();
      }, function (res) {
        NotifycationService.showErrorNotify(res.data.message, 'DATA_CENTER.GET_USER_LOGS_ERROR');
      });

    };

    /**
     * buildLogsPager
     */
    vm.buildPager = function () {
      vm.pagedItems = [];
      vm.itemsPerPage = vm.itemsPerPageConfig.userDataLogsListPerPage;
      vm.currentPage = 1;
      vm.figureOutItemsToDisplay();
    };

    /**
     * figureOutItemsToDisplay
     */
    vm.figureOutItemsToDisplay = function (callback) {
      vm.filteredItems = vm.userLogsData;
      vm.filterLength = vm.filteredItems.length;
      var begin = ((vm.currentPage - 1) * vm.itemsPerPage);
      var end = begin + vm.itemsPerPage;
      vm.pagedItems = vm.filteredItems.slice(begin, end);

      mtDebug.info(vm.pagedItems);
      $('.use-logs-list-ol').prop('start', begin + 1);

      if (callback) callback();
    };

    /**
     * pageChanged
     */
    vm.pageChanged = function () {
      var element = angular.element('#top_of_logs_list');

      $('.use-logs-list').fadeTo(100, 0.01, function () {
        vm.figureOutItemsToDisplay(function () {
          $timeout(function () {
            $('.use-logs-list').fadeTo(400, 1, function () {
              //window.scrollTo(0, element[0].offsetTop - 60);
              $('html,body').animate({scrollTop: element[0].offsetTop - 60}, 200);
            });
          }, 100);
        });
      });
    };
  }
}());