app.controller('ClassController', ['$scope', 'config','$http', 'auth','$location','$routeParams', function($scope, config, $http, auth, $location, $routeParams){

    var vm = $scope;
    var courseid = $routeParams.id;



    var getUsers = function(){
        if(vm.teachers.length<=0){
            $http.get(config.apiUrl + 'courses/teachers?token='+auth.token()+'&course_id='+courseid).then(
                function(response) {
                    console.log(response.data);
                    vm.teachers = response.data.data;
                }
            )
        }

        if(vm.students.length<=0){
            $http.get(config.apiUrl + 'courses/students?token='+auth.token()+'&course_id='+courseid).then(
                function(response) {
                    console.log(response.data);
                    vm.students = response.data.data;
                }
            )
        }
    }

    var getResources = function(){
        if(vm.resources.length<=0){
            $http.post(config.apiUrl + "courses/"+courseid+"/attachments",
                {token: auth.token(), name: ''}
            ).then(function(response){
                vm.resources = response.data.data;
                vm.resources_tag = true;
            });
        }
    }

    var getHomeworks = function(){
        if(vm.homeworks.length <=0){
            $http.get(config.apiUrl + "courses/homeworks/"+courseid+"?token="+auth.token()).then(function(response){
                vm.homeworks = response.data.data;
                console.log(response.data);
                vm.homeworks_tag = true;
            });
        }
    }

    var getExercises = function(){
        if(vm.exercises.length <=0){
            $http.get(config.apiUrl + "courses/"+courseid+"/exercises?token="+auth.token()).then(function(response){
                vm.exercises = response.data.data;
                console.log(response.data);
                vm.exercises_tag = true;
            });
        }
    }


    vm.isTeacher = false;
    vm.currentTab = 1;
    vm.tab = function(index){
       vm.currentTab = index;
       vm.searchText = '';

        vm.showClassMate = false;
        vm.showResources = false;
        vm.showHomework = false;
        vm.showTestcase = false;
        vm.resources_tag = false;
        vm.homeworks_tag = false;
        vm.exercises_tag = false;

        if(vm.isTeacher){
            if(index == 1){ //课件
                getResources();
                vm.showResources = true;
            } else if(index==2){ //作业
                getHomeworks();
                vm.showHomework = true;
            } else if(index==3){ //小测验
                getExercises();
                vm.showTestcase = true;
            } else if(index==4){ //学生管理
                getUsers();
                vm.showClassMate = true;
            }

        } else {
            if(index == 2){
                getUsers();
                vm.showClassMate = true;
            } else if(index==1){
                getResources();
                vm.showResources = true;
            }
        }
    }




    vm.course = {};
    vm.students = [];
    vm.teachers = [];
    vm.resources = [];
    vm.homeworks = [];
    vm.exercises = [];
    
    vm.invite = function(){
       $location.path("/invite_code").search({id: courseid}); 
    };

    vm.sendFile = function(r){
        $location.path("/send_class_list").search({id: r.id});
    }

    $http.get(config.apiUrl+ 'courses/'+courseid+"?token="+auth.token()).then(
        function(response) {
            console.log(response.data);
            vm.course = response.data.data;
            resetMenu(vm.course.current_user_is_teacher);
            vm.tab(1);
        }
    );


    var resetMenu = function(is_teacher){
        vm.isTeacher = is_teacher;
        if(is_teacher){
            vm.menus = ["课件", "作业", "小测验", "学生管理"];
        } else {
            vm.menus = ['课件', "我的同学"];
        }

    }

}]);