angular.module('MAJ').controller('LoginCtrl', function ($scope, $http, $timeout, maj, router, debug, login, utils) {

    $scope.autoLoginPossible = login.autoLoginPossible();

    if ($scope.autoLoginPossible) {
        $scope.autoLoginData = login.getAutoLoginData();
        $scope.makeUserAvatar = utils.makeUserAvatar;
    }


    $scope.login = function (form) {
        if (form.$invalid) {
            maj.framework7.alert('Bitte gib deine Logindaten ein');
            return;
        }


        $http.apiRequest('login', {
            username: form.username.$viewValue,
            password: form.password.$viewValue,
            app_id:   maj.push.id
        })
        .then(function (response) {
            if (! response.data.response) {
                maj.framework7.alert('Falscher Benutzername und/oder Passwort.');
                debug(response.data.message);
            }
            else {
                login.loginWithResponse(response.data);
                router.redirect('dashboard.html');
            }
        });
    };


    $scope.facebookLogin = function () {
        var unknownLoginErrorString = 'Es ist ein Fehler beim Facebook Login aufgetreten.';

        facebookConnectPlugin.login(['public_profile'],
            function (userData) {
                $http.apiRequest('fblogin', {
                    fbuser: btoa( JSON.stringify(userData) ),
                    app_id: maj.push.id
                }).then(
                    function (response) {
                        // we show the unknown error instead of the real one to hide that information from
                        // the user.
                        if (! response.data.response) {
                            maj.framework7.alert(unknownLoginErrorString);
                            debug('Facebook Login', response.data);
                        }
                        else {
                            login.loginWithResponse(response.data);
                            router.redirect('dashboard.html');
                        }
                    }
                )
            },
            function (error) {
                maj.framework7.alert(unknownLoginErrorString);
                debug('Facebook Login', error)
            }
        )
    };


    $scope.clearAutoLogin = function () {
        login.clearLoginData();
        $scope.autoLoginPossible = false;
    };


    $scope.doAutoLogin = function () {
        $http.apiRequest('get_logged_user', { loginhash: $scope.autoLoginData.hash }).then(function (response) {
            login.loginWithResponse(response.data);
            router.redirect('dashboard.html');
        });
    };

});