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

                ctrl.$onInit = function() {
                    updateData();
                    ctrl.rosterUrl = DashboardUrlService.getRosterUrl('reading');
                };

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

                ctrl.hasCurrentClassReadingLevelsData = function () {
                    return !!ctrl.currentClassReadingLevelsData && ctrl.currentClassReadingLevelsData.length > 0;
                };

                ctrl.hasTopOrBottomComprehensionSkillsData = function () {
                    return ctrl.hasTopComprehensionSkills() || ctrl.hasBottomComprehensionSkills();
                };

                ctrl.hasTopComprehensionSkills = function () {
                    return !!ctrl.topAndBottomComprehensionSkills && !!ctrl.topAndBottomComprehensionSkills.topComprehensionSkills && ctrl.topAndBottomComprehensionSkills.topComprehensionSkills.length > 0;
                };

                ctrl.hasBottomComprehensionSkills = function () {
                    return !!ctrl.topAndBottomComprehensionSkills && !!ctrl.topAndBottomComprehensionSkills.bottomComprehensionSkills && ctrl.topAndBottomComprehensionSkills.bottomComprehensionSkills.length > 0;
                };

                ctrl.hasActivitiesCompletedData = function () {
                    return !!ctrl.activitiesCompletedData;
                };

                ctrl.hasInteractivityCountData = function () {
                    return "interactivity_count" in ctrl.activitiesCompletedData;
                };

                ctrl.hasAverageQuizScoresData = function () {
                    return !!ctrl.averageQuizScoresData && ctrl.averageQuizScoresData.length > 0;
                };

                ctrl.getPropertyValue = function (property) {
                    return property === null ? 0 : property;
                };

                function setData(data) {
                    ctrl.dashboardData = data.dashboardData;
                    ctrl.currentClassReadingLevelsData = ctrl.dashboardData == null ? null : ctrl.dashboardData.readingData;
                    ctrl.topAndBottomComprehensionSkills = ctrl.dashboardData == null ? null : ChartsDataFormatterService.getTopAndBottomComprehensionSkills(ctrl.dashboardData.skills);
                    ctrl.activitiesCompletedData = ctrl.dashboardData == null ? null : ctrl.dashboardData.readingActivities;
                    ctrl.averageQuizScoresData = ctrl.dashboardData == null ? null : ChartsDataFormatterService.getFormattedAverageQuizScoresData(ctrl.dashboardData.questions);
                    ctrl.hasNoStudents = data == null ? null : data.hasNoStudents;
                    ctrl.hasSharedStudents = data == null ? null : data.hasSharedStudents;
                    ctrl.zeroStudentsWarning = data == null ? null : data.zeroStudentsWarning;
                    ctrl.hasNoSkillsData = data == null ? null : data.hasNoSkillsData;
                    ctrl.skillChartPic = data == null ? null : data.skillChartPic;
                    ctrl.activityChartPic = data == null ? null : data.activityChartPic;
                    ctrl.quizChartPic = data == null ? null : data.quizChartPic;
                    ctrl.hasNoQuizData = data == null ? null : data.hasNoQuizData;
                    ctrl.readingSubjectName = data == null ? null : data.readingSubjectName;
                    ctrl.readingLevelPic = data == null ? null : data.readingLevelPic;
                    ctrl.hazRazPlus = data == null ? null : data.hazRazPlus;
                    ctrl.skillReportUrl = DashboardUrlService.getSkillReportUrl('reading');
                    ctrl.activityReportUrl = DashboardUrlService.getActivityReportUrl('reading');
                }

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

                    var apiUrl = '/api/teacherUtility/getReadingDashboard/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.hasNoStudents  == null) {
                                console.log('No results returned from getReadingDashboard');
                                messageHandler.publishError('Could not read dashboard data.');
                            }
                            else {
                                setData(result.data);
                            }
                        })
                        .catch(function (e) {
                            console.log('getReadingDashboard Error: ', e);
                            messageHandler.publishError('Could not read dashboard data.');
                        })
                        .finally(function () {
                            ctrl.isPending = false;
                        })
                }
            }
        ]);
})();