(function() {
    "use strict";

    angular.module("raz")
        .component('resourceCollectionLanguage', {
            templateUrl: '/js/angular/resource-slider/resource-collection-language.html',
            controller: 'resourceCollectionLanguage'
        })
        .controller('resourceCollectionLanguage',
                ['$scope', 'languages', 'whatsNewResources', 'resourceCollectionService', 'constantValues',
                function($scope, languages, whatsNewResources, resourceCollectionService, constantValues) {

            var ctrl = this;

            ctrl.$onInit = function() {
                ctrl.languages = languages;
                setResourceInfo(whatsNewResources);
                resourceCollectionService.setInitWhatsNew(ctrl.curLanguageId, whatsNewResources);
            };

            $scope.$watch(function() { return resourceCollectionService.getCurWhatsNewInfo(); },
                function(newVal, oldVal, scope) {
                    if (newVal !== oldVal) {
                        setResourceInfo(newVal);
                    }
            }, true);

            var getLanguageName = function(id) {
                for (var i= 0; i <= ctrl.languages.length; ++i) {
                    if (id == ctrl.languages[i].id) {
                        return ctrl.languages[i].name
                    }
                }
                return 'English';
            };

            var constructResourceDescription = function(resource) {
                return resource.count + " new " + getLanguageName(ctrl.curLanguageId) + " " + pluralizeTitle(resource.count, resource.resourceType)
                    + " added in " + resource.latestUpdatedOn;
            };

            var pluralizeTitle = function(resourceCount, resourceType) {
                var displayTitle = '';
                if (resourceType == constantValues.TYPE_LEVELED_BOOKS) {
                    displayTitle = 'Leveled Book';
                } else {
                    displayTitle = 'Close Read Passage';
                }
                if (resourceCount != 1) {
                    displayTitle += 's';
                }
                return displayTitle;
            };

            var setResourceInfo = function(data) {
                var bookData = data['book'];
                var nonbookData = data['nonbook'];
                ctrl.curLanguageId = data['languageId'];
                ctrl.whatsNewBookInfo = bookData;
                ctrl.whatsNewBookDescription = constructResourceDescription(ctrl.whatsNewBookInfo);
                ctrl.whatsNewCloseReadInfo = nonbookData;
                ctrl.whatsNewCloseReadDescription = constructResourceDescription(ctrl.whatsNewCloseReadInfo);
            };

        }]);
})();