(function(){
    'use strict';
    angular.module('shared')
        .component('phonicsDashboard', {
            templateUrl: '/shared/js/angular/teacher-dashboard/components/phonics.html',
            controller: 'Phonics'
        })
        .controller('Phonics', ['$scope', '$http', 'messageHandler', 'memberInfo', 'DaysAgoDateService', 'DashboardUrlService', 'SITE_ID', 'SiteHelper',
            function($scope, $http, messageHandler, memberInfo, DaysAgoDateService, DashboardUrlService, SITE_ID, SiteHelper) {
                var ctrl = this;
                ctrl.isKAZ = parseInt(SITE_ID) === SiteHelper.KAZ_SITE_ID;

                ctrl.$onInit = function() {
                    updateData();
                };

                ctrl.isLoading = function() {
                    return ctrl.isPending;
                };

                ctrl.hasCurrentClassEpisodesData = function () {
                    return !!ctrl.currentClassEpisodesData;
                };

                ctrl.hasAverageEpisodeScoresData = function () {
                    return !!ctrl.averageEpisodeScoresData;
                };

                ctrl.hasCompletedActivitiesData = function () {
                    return !!ctrl.completedActivitiesData;
                };

                ctrl.hasEpisodesCompletedPerWeekData = function () {
                    return !!ctrl.episodesCompletedPerWeekData && ctrl.episodesCompletedPerWeekData.length > 0;
                };

                ctrl.getAverageEpisodeScoresDatumScore = function(averageEpisodeScoresDatum) {
                    return (averageEpisodeScoresDatum == null) ? "There are no scores to report for the selected date range." : Math.round(parseInt(averageEpisodeScoresDatum)).toString() + "%";
                };

                ctrl.getProductEpisodeString = function (isComprehension, isComprehension2, episode) {
                    if (isComprehension) {
                        return "Reading Comprehension Episode " + episode;
                    } else if (isComprehension2) {
                        return "Advanced Reading Comprehension Episode " + episode;
                    } else {
                        return "Early Reading Episode " + episode;
                    }
                };

                function setData(data) {
                    ctrl.dashboardData = data.dashboardData;
                    ctrl.currentClassEpisodesData = (ctrl.dashboardData == null) ? null : ctrl.dashboardData.currentEpisodes;
                    ctrl.averageEpisodeScoresData = (ctrl.dashboardData == null) ? null : ctrl.dashboardData.averageEpisodeScores;
                    ctrl.completedActivitiesData = (ctrl.dashboardData == null) ? null : ctrl.dashboardData.completedActivities;
                    ctrl.episodesCompletedPerWeekData = (ctrl.dashboardData == null) ? null : ctrl.dashboardData.episodesPerStudent;
                    ctrl.hasSharedStudents = data == null ? null : data.hasSharedStudents;
                    ctrl.hasStudents = data == null ? null : data.hasStudents;
                    ctrl.zeroStudentsWarning = data == null ? null : data.zeroStudentsWarning;
                    ctrl.currentEpisodePic = data == null ? null : data.currentEpisodePic;
                    ctrl.numberOfEpisodePlacementStudents = data == null ? null : data.numberOfEpisodePlacementStudents;
                    ctrl.averageScoresPic = data == null ? null : data.averageScoresPic;
                    ctrl.activityChartPic = data == null ? null : data.activityChartPic;
                    ctrl.numberOfFilteredStudents = data == null ? null : data.numberOfFilteredStudents;
                    ctrl.episodesPerWeekChartPic = data == null ? null : data.episodesPerWeekChartPic;
                    ctrl.activityReportUrl = DashboardUrlService.getActivityReportUrl('phonics');
                }

                function setInactiveStudentsText() {
                    var inactiveText = " of your students have not been active in over 30 days. Active Students are represented below.";
                    if (ctrl.numberOfFilteredStudents === "1") {
                        inactiveText = " of your students has not been active in over 30 days. Active Students are represented below.";
                    }
                    ctrl.inactiveStudentsText = ctrl.numberOfFilteredStudents + inactiveText;
                }

                function updateData() {
                    ctrl.isPending = true;
                    var startDate = DaysAgoDateService.getStartDateString();
                    var endDate = DaysAgoDateService.getEndDateString();

                    var apiUrl = '/api/teacherUtility/getHeadsproutDashboard/member_id/' + memberInfo.member_id + '/start_date/' + startDate.replace(/-/g, '') + '/end_date/' + endDate.replace(/-/g, '');
                    $http.get(apiUrl)
                        .then(function (result) {
                            if (result == null || result.data == null || result.data.hasStudents  == null) {
                                console.log('No results returned from getHeadsproutDashboard');
                                messageHandler.publishError('Could not read dashboard data.');
                            }
                            else {
                                setData(result.data);
                                setInactiveStudentsText();
                            }
                        })
                        .catch(function (e) {
                            console.log('getHeadsproutDashboard Error: ', e);
                            messageHandler.publishError('Could not read dashboard data.');
                        })
                        .finally(function () {
                            ctrl.isPending = false;
                        })
                }
            }
        ]);
})();