(function() {
    "use strict";

    angular.module('shared')

        .component('bookFilter', {
            templateUrl: '/shared/js/angular/book-grid/book-filter.html',
            controller: 'bookFilterController'
        })
        .controller('bookFilterController',
            ['messageHandler','ResourceList','_','FeatureCheck','constantValues','resourceSorting','resourceFilter',
                function bookFilterController(messageHandler,ResourceList,_,FeatureCheck,constantValues,resourceSorting,resourceFilter) {
                    var ctrl = this;
                    ctrl.selectedFilters = {};

                    ctrl.$onInit = function() {
                        if (ResourceList.getFilters()) {
                            _.each(ResourceList.getFilters(),function(filterName) {
                                ctrl.selectedFilters[filterName] = true;
                            });
                        }
                    };

                    ctrl.selectedSort = function (newSort) {
                        if (newSort) {
                            resourceSorting.setSelectedSort(newSort.key);
                        }
                        var foundSort = null;
                        if (resourceSorting.getSelectedSort()) {
                            foundSort = _.find(constantValues.SORT_OPTIONS, function(oneSort) {
                                return oneSort.key === resourceSorting.getSelectedSort();
                            });
                        }
                        return foundSort ? foundSort : constantValues.SORT_OPTIONS[0];
                    };

                    ctrl.setView = function(view) {
                        if (view === constantValues.LIST_VIEW) {
                            ResourceList.setView(constantValues.LIST_VIEW);
                        } else {
                            ResourceList.setView(constantValues.GRID_VIEW);
                        }
                    };

                    ctrl.isGridView = function() {
                        return ResourceList.getView() === constantValues.GRID_VIEW;
                    };

                    ctrl.isListView = function() {
                        return ResourceList.getView() === constantValues.LIST_VIEW;
                    };

                    ctrl.getFilteredBooksCount = function() {
                        return ResourceList.getFilteredBooksCount();
                    };

                    ctrl.getAllBooksCount = function() {
                        return ResourceList.getAllBooksCount();
                    };

                    ctrl.ariaChecked = function(filterName) {
                        return ctrl.selectedFilters[filterName] ? true : false;
                    };

                    ctrl.getLeveledBookFiltersKeys = function() {
                        return Object.keys(ResourceList.getLeveledBookFilters());
                    };

                    ctrl.getCheckboxText = function(filterKey) {
                        return ResourceList.getLeveledBookFilters()[filterKey];
                    };

                    ctrl.checkedBox = function() {
                        var newFilters = [];
                        _.each(Object.keys(ctrl.selectedFilters),function(keyName) {
                            if (ctrl.selectedFilters[keyName]) {
                                newFilters.push(keyName);
                            }
                        });
                        resourceFilter.setFilters(newFilters);
                    };

                    ctrl.anyFilters = function() {
                        return (ResourceList.getFilters() && ResourceList.getFilters().length > 0) ||
                               (ResourceList.getReadingLevels() && ResourceList.getReadingLevels().length > 0);
                    };

                    ctrl.clearAllFilters = function() {
                        resourceFilter.setReadingLevels(null);
                        if (ResourceList.getFilters() && ResourceList.getFilters().length > 0) {
                            resourceFilter.setFilters(null);
                            ctrl.selectedFilters = {};
                        }
                    };

                    ctrl.getSortOptions = function() {
                        return constantValues.SORT_OPTIONS;
                    };


                }]);
}());