(function () {
    "use strict";

    angular
        .module('shared')
        .component('unitAssignmentButton', {
            transclude: true,
            templateUrl: '/js/angular/unit-assignment/unit-assignment-button.html',
            controller: 'unitAssignmentButton',
            bindings: {
                unitId: '@'
            }
        })
        .controller('unitAssignmentButton', unitAssignmentButton);
    
    unitAssignmentButton.$inject = ['unitAssignment', 'messageHandler', 'LazModalService', 'studentList', 'Authorization', 'SiteHelper'];
    function unitAssignmentButton(unitAssignment, messageHandler, LazModalService, studentList, Authorization, SiteHelper) {
        var ctrl = this;

        ctrl.openModal = openModal;

        function openModal() {
            unitAssignment.getUnitAssignmentInfo(ctrl.unitId)
                .then(function(unitAssignmentInfo) {
                    showUnitAssignmentModal(unitAssignmentInfo.data);
                }, function(reason) {
                    messageHandler.publishError('There was a problem showing the assignment. Please try again later.');
                });
        }
        
        function showUnitAssignmentModal(unitAssignmentInfo) {
            studentList.annotateSelectableStudents([
                Authorization.studentWithoutPrivilegeCheckerFactory(SiteHelper.SAZ_SITE_ABBREVIATION)
            ]);
            LazModalService.showModal({
                templateUrl: '/js/angular/unit-assignment/unit-assignment-modal.html',
                controller: 'unitAssignmentModal',
                controllerAs: '$ctrl',
                hideCloseButton: 'true',
                overrideClass: 'js-none',
                inputs: {
                    unitAssignmentInfo: unitAssignmentInfo
                }            
            })
            .catch(function(reason) {
                messageHandler.publishError('There was a problem showing the assignment. Please try again later.');
            });
        }
    }
})();