"use strict";

angular.module("vocabulary")
    .component("chosenWords", {
        templateUrl: "/js/redesign-angular/lessonBuilder/chosenWords/chosen-words.html",
        controller: "ChosenWordsController"
    })
    .controller("ChosenWordsController",
        ['$q', '$scope', 'lessonService', "partsOfSpeechService", "orderByFilter", "loginAndContinueService", "lessonWordOrderApi", function ($q, $scope, lessonService, partsOfSpeechService, orderByFilter, loginAndContinueService, lessonWordOrderApi) {
            var ctrl = this;

            ctrl.$onInit = function () {
                setOrder();
            };

            ctrl.getChosenWords = function () {
                var words = lessonService.getChosenWords();
                var wordCount = lessonService.countChosenWords();
                if (wordCount > 0) {
                    ctrl.noWordsError = false;
                }
                return loginAndContinueService.isAuthorized() ? sortWords(words) : words;
            };
            ctrl.discardWord = lessonService.discardWord;
            ctrl.abbreviatePartOfSpeech = partsOfSpeechService.abbreviate;

            ctrl.getLessonId = function () {
                return lessonService.getLessonId();
            };

            function setOrder() {
                var requests = [];
                requests.push(lessonWordOrderApi.getLessonWordOrderOptions());
                if(lessonService.getLessonId()) {
                    requests.push(lessonWordOrderApi.getLessonWordOrderOptionId(lessonService.getLessonId()));
                }

                $q.all(requests)
                    .then(function (data) {
                        ctrl.orderOptions = data[0];
                        ctrl.chosenWordOrderId = data[1] ? data[1] : ctrl.orderOptions[1].optionId;
                        lessonService.setWordOrderId(ctrl.chosenWordOrderId);
                    });
            }

            function sortWords(words) {
                if(!ctrl.orderOptions) {
                    return [];
                }

                var wordOrder = ctrl.orderOptions.filter(function (option) { return option.optionId === ctrl.chosenWordOrderId; }).pop().optionType;
                switch (wordOrder) {
                    case 'As Entered':
                        return orderByFilter(words, 'lessonEntryOrder');
                    case 'Alphabetical':
                        return orderByFilter(words, 'wordName');
                    default:
                        return orderByFilter(words, 'lessonEntryOrder');
                }
            }
        }]);