(function () {
    "use strict";

    angular.module('vocabulary')

        .component('lessonPreview', {
            templateUrl: '/js/redesign-angular/lessonPreview/lesson-preview.html',
            controller: 'LessonPreviewCtrl',
            bindings: {
                lessonData: '<',
                resources: '<'
            }
        })

        .controller('LessonPreviewCtrl', ['windowService', 'assignVocabLessonService', function LessonPreviewCtrl(windowService, assignVocabLessonService) {

            var ctrl = this;
            ctrl.vocabQuizResource = null;
            ctrl.vocabInteractivityResources = null;
            ctrl.$onInit = function () {
                if (!ctrl.isDigitalLessonPreviewable()) {
                    console.log("LessonId " + lessonData['lessonId'] + " is not previewable. Redirecting...");
                    windowService.redirect("/");
                }
            };

            ctrl.getWords = function () {
                return ctrl.lessonData['words'];
            };

            ctrl.getWordOrder = function () {
                return ctrl.lessonData['word_order_type'];
            };

            ctrl.hasWords = function () {
                return ctrl.getWords().length > 0;
            };

            ctrl.isDigitalLessonPreviewable = function () {
                return ctrl.getWords().length >= assignVocabLessonService.getAssignableWordMinimum();
            };

            ctrl.getVocabQuizResource = function () {
                if (!ctrl.vocabQuizResource) {
                    ctrl.vocabQuizResource = [ctrl.resources[0]];
                }
                return ctrl.vocabQuizResource[0];
            };

            ctrl.getVocabInteractivityResources = function () {
                if (!ctrl.vocabInteractivityResources) {
                    ctrl.vocabInteractivityResources = ctrl.resources.slice(1);
                }
                return ctrl.vocabInteractivityResources;
            }

        }]);
})();