(function(){
    'use strict';

    angular.module('raz')

        .component('lcmAllLearners', {
            templateUrl: '/js/angular/literacy-curriculum-map/components/lcm-all-learners.html',
            controller: 'LCMAllLearnersController',
            bindings: {
                items: '<'
            }
        })
        .controller('LCMAllLearnersController', LCMAllLearnersController);

    LCMAllLearnersController.$inject = ['SITE_ID', 'SiteHelper', 'lazAccessRestrictionService', 'lcmGradeService', 'assignTargetedResource', 'HAS_ELL_SUBSCRIPTION', '_', '$sce'];

    function LCMAllLearnersController (SITE_ID, SiteHelper, lazAccessRestrictionService, lcmGradeService, assignTargetedResource, HAS_ELL_SUBSCRIPTION, _, $sce) {
        var ctrl = this;

        ctrl.$onInit = function() {
            ctrl.learnerFolders = ctrl.items;

            var currentGradeId = lcmGradeService.getCurrentGradeId();
            ctrl.currentGradeIndex = currentGradeId === 'k' ? 1 : parseInt(currentGradeId) + 1;

            ctrl.page = '/literacy-curriculum-map/';

            ctrl.isRazPlus = parseInt(SITE_ID) === SiteHelper.RAZ_PLUS_SITE_ID;
        };

        ctrl.isAuthorized = function() {
            return lazAccessRestrictionService.isAuthorized();
        };

        ctrl.trustAsHtml = function(html) {
            return $sce.trustAsHtml(html);
        };

        ctrl.showAssignButton = function(resources) {
            var isAssignable = function (resource) {
                return resource.is_assignable;
            };

            return ctrl.isRazPlus && ctrl.isAuthorized() && _.some(resources, isAssignable);
        };

        ctrl.canViewContent = function(learnerFolder) {
            var name = learnerFolder['name'];
            var isEllFolder = name.indexOf('English Language Learners') > -1;

            if (isEllFolder) {
                return HAS_ELL_SUBSCRIPTION;
            }

            return true;
        };

        ctrl.showAssignModal = function($event) {
            var element = $event.currentTarget;
            assignTargetedResource.show(element.getAttribute('data-action'), element.getAttribute('data-resourceid'),
                element.getAttribute('data-translationid'), element.getAttribute('data-bookroomcollectionid'),
                element.getAttribute('data-title') || element.getAttribute('data-collectiontitle'))
        }

        ctrl.getResourceName = function(resource) {
            var title = resource['title'];
            var level = resource['level'];
            var category = resource['category'];
            var parentCategory = resource['parent_category'];

            if (level) {
                title += ' - Level ' + level;
            }

            if (category && parentCategory && parentCategory.length > 0) {
                category += ', ' + parentCategory;
            }

            if (!category && parentCategory) {
                category = parentCategory;
            }

            if (category) {
                title += ' <br /><span class="subtle sm">' + category + '</span>';
            }

            return title;
        }

        ctrl.belowGradeRange = function(resource) {
            var resourceGradeIndex = chooseResourceGradeIndex(resource['grade_range']);

            return resourceGradeIndex && resourceGradeIndex < parseInt(ctrl.currentGradeIndex);
        }

        ctrl.atGradeRange = function(resource) {
            var resourceGradeIndex = chooseResourceGradeIndex(resource['grade_range']);

            return !resourceGradeIndex || resourceGradeIndex === parseInt(ctrl.currentGradeIndex);
        }

        ctrl.aboveGradeRange = function(resource) {
            var resourceGradeIndex = chooseResourceGradeIndex(resource['grade_range']);

            return resourceGradeIndex && resourceGradeIndex > parseInt(ctrl.currentGradeIndex);
        }

        function chooseResourceGradeIndex(gradeRange) {
            if (!gradeRange) {
                return null;
            }

            if (gradeRange.indexOf('K') > -1) {
                return 1;
            }

            if (gradeRange.indexOf('1') > -1) {
                return 2;
            }

            if (gradeRange.indexOf('2') > -1) {
                return 3;
            }

            if (gradeRange.indexOf('3') > -1) {
                return 4;
            }

            if (gradeRange.indexOf('4') > -1) {
                return 5;
            }

            if (gradeRange.indexOf('5') > -1) {
                return 6;
            }

            return null;
        }
    }
})();