(function(){
    'use strict';

    angular.module('raz')

        .component('lcmUnit', {
            templateUrl: '/js/angular/literacy-curriculum-map/components/lcm-unit.html',
            controller: 'LCMUnitController',
            require: {
                parentLazAccordion: '^^lazAccordion'
            },
            bindings: {
                unitFolder: '<',
                gradeId: '<'
            }
        })
        .controller('LCMUnitController', LCMUnitController);

    LCMUnitController.$inject = ['coreSkills', 'lcmObjectiveStandardsService', 'lcmStateSelectorService', 'lcmStandardsCheckboxService',
        'lazAccessRestrictionService', '$sce', 'lcmGradeService', 'IS_FOUNDATIONAL_SKILLS', 'lcmGradeFolderIds'];

    function LCMUnitController(coreSkills, lcmObjectiveStandardsService, lcmStateSelectorService, lcmStandardsCheckboxService,
            lazAccessRestrictionService, $sce, lcmGradeService, IS_FOUNDATIONAL_SKILLS, lcmGradeFolderIds) {
        var ctrl = this;

        ctrl.coreSkillNames = coreSkills.CORE_SKILL_NAMES;
        ctrl.coreSkillsOrder = coreSkills.CORE_SKILL_ORDER;
        ctrl.coreSkillsColumnOrder = coreSkills.CORE_SKILL_COLUMN_ORDER;
        ctrl.isPending = true;

        ctrl.$onInit = function () {
            ctrl.page = IS_FOUNDATIONAL_SKILLS ? '/foundational-skills/' : '/literacy-curriculum-map/';
            lazAccessRestrictionService.setPageAfterLogin(ctrl.page);
        };

        ctrl.isLoading = function () {
            return ctrl.isPending;
        };

        ctrl.isFoundationalSkills = function () {
            return IS_FOUNDATIONAL_SKILLS;
        };

        ctrl.openSequenceStandards = function () {
            ctrl.isPending = true;
            if (ctrl.isFoundationalSkills()) {
                lcmGradeService.getFSSSWeeksTreeById(lcmGradeFolderIds['grade_' + ctrl.gradeId]['folder_id'])
                    .then(function (response) {
                        ctrl.units = response;
                        ctrl.objectivesForSkillInWeekMap = ctrl.units.objectivesForSkillInWeekMap;
                    })
                    .finally(function () {
                        ctrl.isPending = false;
                    });
            } else {
                lcmGradeService.getLCMSSUnitTree(ctrl.unitFolder)
                    .then(function (response) {
                        ctrl.unit = response;
                        ctrl.unitWeeks = ctrl.unit.unitWeeks;
                        ctrl.coreSkillsFound = ctrl.unit.coreSkillsFound;
                        ctrl.objectivesForSkillInWeekMap = ctrl.unit.objectivesForSkillInWeekMap;
                        setCoreSkillsForUnit();
                    })
                    .finally(function () {
                        ctrl.isPending = false;
                    });
            }

            ctrl.currentState = lcmStateSelectorService.getSelectedState();
            lcmStateSelectorService.onUpdate(stateSelectorHasChanged);
            ctrl.showObjectiveStandards = lcmStandardsCheckboxService.getShowStandards();
            lcmStandardsCheckboxService.onUpdate(toggleShowStandards);
        };

        ctrl.getWeeklyQuestion = function (question) {
            if (question) {
                return question.substring(17);
            }
            return '';
        };

        ctrl.getObjectivesForSkillInWeek = function (week, skillId) {
            return ctrl.objectivesForSkillInWeekMap[week.id][skillId];
        };

        ctrl.getObjectiveStandards = function (coreSkillObjectiveMapId) {
            return lcmObjectiveStandardsService.getObjectiveStandards(coreSkillObjectiveMapId, ctrl.currentState.state_id);
        };

        ctrl.getObjectiveStandardsCodes = function (coreSkillObjectiveMapId) {
            return lcmObjectiveStandardsService.getObjectiveStandardsCodes(coreSkillObjectiveMapId, ctrl.currentState.state_id);
        };

        ctrl.getObjectiveName = function (objective, skillId) {
            if (skillId == 'hf_words') {
                return objective['target_skill_text'];
            }
            var name = objective['objective_name'];
            var target = objective['target_skill_text'];

            if (target) {
                name += ': ' + target;
            }

            return name;
        };

        ctrl.checkAuthorization = function (event, pageAfterLogin, downloadPath) {
            if (!lazAccessRestrictionService.isAuthorized()) {
                event.preventDefault();
                event.stopPropagation();
                lazAccessRestrictionService.loginIfNotAuthorized(pageAfterLogin, downloadPath);
            }
        };

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

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

        function stateSelectorHasChanged(newState) {
            ctrl.currentState = newState;
        }

        function toggleShowStandards() {
            ctrl.showObjectiveStandards = !ctrl.showObjectiveStandards;
        }

        function setCoreSkillsForUnit() {
            ctrl.coreSkills = [];
            _.each(ctrl.coreSkillsOrder, function (coreSkill) {
                if (ctrl.coreSkillsFound[coreSkill]) {
                    ctrl.coreSkills.push(coreSkill);
                }
            });
        }
    }
})();