(function(){
    'use strict';

    angular.module('raz')

        .component('phonicsLesson', {
            templateUrl: '/js/angular/phonics-lesson/components/phonics-lesson.html',
            controller: 'PhonicsLessonController',
            bindings: {
                lesson: '<'
            }
        })
        .controller('PhonicsLessonController', PhonicsLessonController);

    PhonicsLessonController.$inject = ['_'];

    function PhonicsLessonController(_) {
        var ctrl = this;

        ctrl.$onInit = function() {
            ctrl.lessonType = ctrl.lesson.lesson_type;
            ctrl.lessonGrade = ctrl.lesson.lesson_grade;
            ctrl.lessonThumbnail = ctrl.lesson.lesson_thumbnail_source;
            ctrl.lessonGuide = ctrl.lesson.lesson_guide;
            ctrl.lessonObjectives = ctrl.lesson.lesson_objectives;
            ctrl.lessonActivities = ctrl.lesson.lesson_activities;
            ctrl.lessonAssessments = ctrl.lesson.lesson_assessments;
            ctrl.lessonBook = ctrl.lesson.lesson_book;
            ctrl.lessonPassages = ctrl.lesson.lesson_passages;
            ctrl.lessonVideos = ctrl.lesson.lesson_videos;
            ctrl.lessonRelated = ctrl.lesson.lesson_related;
            ctrl.lessonAssembly = ctrl.lesson.lesson_assembly;

            ctrl.lessonPage = '/phonics/lessons/lesson/?id=' + ctrl.lesson.lesson_id;
        };

        ctrl.showAdditional = function() {
            return ctrl.checkValidObject(ctrl.lessonBook) ||
                ctrl.checkValidObject(ctrl.lessonVideos) ||
                ctrl.checkValidObject(ctrl.lessonRelated) ||
                ctrl.checkValidObject(ctrl.lessonAssembly);
        };

        ctrl.showReadingItem = function() {
            return ctrl.checkValidObject(ctrl.lessonBook) || ctrl.checkValidObject(ctrl.lessonPassages);
        };

        ctrl.checkValidObject = function(object) {
            return object && Object.keys(object).length > 0;
        }
    }
})();