'use strict';

/* global async */
/* global angular */
/* global $ */

angular.module('Application').controller('ProfileController', ['$scope', '$translate', '$location', 'Client', '$timeout', function ($scope, $translate, $location, Client, $timeout) {
    $scope.user = Client.getUserInfo();
    $scope.config = Client.getConfig();
    $scope.apps = Client.getInstalledApps();

    $scope.language = '';
    $scope.languages = [];

    $scope.$watch('language', function (newVal, oldVal) {
        if (newVal === oldVal) return;
        $translate.use(newVal.id);
    });

    $scope.twoFactorAuthentication = {
        busy: false,
        error: null,
        password: '',
        totpToken: '',
        secret: '',
        qrcode: '',
        mandatory2FA: false,
        mandatory2FAHelp: false, // show the initial help text when mandatory 2fa forces modal popup

        reset: function () {
            $scope.twoFactorAuthentication.busy = false;
            $scope.twoFactorAuthentication.error = null;
            $scope.twoFactorAuthentication.password = '';
            $scope.twoFactorAuthentication.totpToken = '';
            $scope.twoFactorAuthentication.secret = '';
            $scope.twoFactorAuthentication.qrcode = '';
            $scope.twoFactorAuthentication.mandatory2FAHelp = false;

            $scope.twoFactorAuthenticationEnableForm.$setUntouched();
            $scope.twoFactorAuthenticationEnableForm.$setPristine();
            $scope.twoFactorAuthenticationDisableForm.$setUntouched();
            $scope.twoFactorAuthenticationDisableForm.$setPristine();
        },

        getSecret: function () {
            $scope.twoFactorAuthentication.mandatory2FAHelp = false;

            Client.setTwoFactorAuthenticationSecret(function (error, result) {
                if (error) return console.error(error);

                $scope.twoFactorAuthentication.secret = result.secret;
                $scope.twoFactorAuthentication.qrcode = result.qrcode;
            });
        },

        showMandatory2FA: function () {
            $scope.twoFactorAuthentication.reset();
            $scope.twoFactorAuthentication.mandatory2FA = true;
            $scope.twoFactorAuthentication.mandatory2FAHelp = true;

            $('#twoFactorAuthenticationEnableModal').modal({ backdrop: 'static', keyboard: false }); // undimissable dialog
        },

        show: function () {
            $scope.twoFactorAuthentication.reset();

            if ($scope.user.twoFactorAuthenticationEnabled) {
                $('#twoFactorAuthenticationDisableModal').modal('show');
            } else {
                $('#twoFactorAuthenticationEnableModal').modal('show');

                $scope.twoFactorAuthentication.getSecret();
            }
        },

        enable: function() {
            $scope.twoFactorAuthentication.busy = true;

            Client.enableTwoFactorAuthentication($scope.twoFactorAuthentication.totpToken, function (error) {
                $scope.twoFactorAuthentication.busy = false;

                if (error) {
                    $scope.twoFactorAuthentication.error = error.message;

                    $scope.twoFactorAuthentication.totpToken = '';
                    $scope.twoFactorAuthenticationEnableForm.totpToken.$setPristine();
                    $('#twoFactorAuthenticationTotpTokenInput').focus();

                    return;
                }

                Client.refreshUserInfo();

                $('#twoFactorAuthenticationEnableModal').modal('hide');
            });
        },

        disable: function () {
            $scope.twoFactorAuthentication.busy = true;

            Client.disableTwoFactorAuthentication($scope.twoFactorAuthentication.password, function (error) {
                $scope.twoFactorAuthentication.busy = false;

                if (error) {
                    $scope.twoFactorAuthentication.error = error.message;

                    $scope.twoFactorAuthentication.password = '';
                    $scope.twoFactorAuthenticationDisableForm.password.$setPristine();
                    $('#twoFactorAuthenticationPasswordInput').focus();

                    return;
                }

                Client.refreshUserInfo();

                $('#twoFactorAuthenticationDisableModal').modal('hide');
            });
        }
    };

    $scope.avatarChange = {
        busy: false,
        error: {},
        avatar: null,
        useGravatar: '',
        useGravatarOrig: '',
        pictureChanged: false,

        getBlobFromImg: function (img, callback) {
            var size = 256;

            var canvas = document.createElement('canvas');
            canvas.width = size;
            canvas.height = size;

            var imageDimensionRatio = img.width / img.height;
            var canvasDimensionRatio = canvas.width / canvas.height;
            var renderableHeight, renderableWidth, xStart, yStart;

            if (imageDimensionRatio > canvasDimensionRatio) {
                renderableHeight = canvas.height;
                renderableWidth = img.width * (renderableHeight / img.height);
                xStart = (canvas.width - renderableWidth) / 2;
                yStart = 0;
            } else if (imageDimensionRatio < canvasDimensionRatio) {
                renderableWidth = canvas.width;
                renderableHeight = img.height * (renderableWidth / img.width);
                xStart = 0;
                yStart = (canvas.height - renderableHeight) / 2;
            } else {
                renderableHeight = canvas.height;
                renderableWidth = canvas.width;
                xStart = 0;
                yStart = 0;
            }

            var ctx = canvas.getContext('2d');
            ctx.clearRect(0, 0, canvas.width, canvas.height);
            ctx.drawImage(img, xStart, yStart, renderableWidth, renderableHeight);

            canvas.toBlob(callback);
        },

        doChangeAvatar: function () {
            $scope.avatarChange.error.avatar = null;
            $scope.avatarChange.busy = true;

            function done(error) {
                if (error) return console.error('Unable to change avatar.', error);

                Client.refreshUserInfo(function (error) {
                    if (error) return console.error(error);

                    $('#avatarChangeModal').modal('hide');
                    $scope.avatarChange.avatarChangeReset();
                });
            }

            if ($scope.avatarChange.useGravatar) {
                Client.clearAvatar(done);
            } else {
                var img = document.getElementById('previewAvatar');
                $scope.avatarChange.getBlobFromImg(img, function (blob) {
                    Client.changeAvatar(blob, done);
                });
            }
        },

        setPreviewAvatar: function (avatar) {
            $scope.avatarChange.pictureChanged = true;
            $scope.avatarChange.avatar = avatar;
            document.getElementById('previewAvatar').src = avatar.data;
        },

        avatarChangeReset: function () {
            $scope.avatarChange.error.avatar = null;
            $scope.avatarChange.useGravatar = $scope.user.avatarUrl.indexOf('https://www.gravatar.com') === 0 ? 'true_string' : '';
            $scope.avatarChange.useGravatarOrig = $scope.avatarChange.useGravatar;
            $scope.avatarChange.pictureChanged = false;
            document.getElementById('previewAvatar').src = $scope.avatarChange.useGravatar ? '' : $scope.user.avatarUrl;
            $scope.avatarChange.avatar = $scope.avatarChange.useGravatar ? {} : {
                url: $scope.user.avatarUrl
            };
            $scope.avatarChange.busy = false;
        },

        showChangeAvatar: function () {
            $scope.avatarChange.avatarChangeReset();
            $('#avatarChangeModal').modal('show');
        },

        showCustomAvatarSelector: function () {
            $('#avatarFileInput').click();
        }
    };

    $scope.passwordchange = {
        busy: false,
        error: {},
        password: '',
        newPassword: '',
        newPasswordRepeat: '',

        reset: function () {
            $scope.passwordchange.error.password = null;
            $scope.passwordchange.error.newPassword = null;
            $scope.passwordchange.error.newPasswordRepeat = null;
            $scope.passwordchange.password = '';
            $scope.passwordchange.newPassword = '';
            $scope.passwordchange.newPasswordRepeat = '';

            $scope.passwordChangeForm.$setUntouched();
            $scope.passwordChangeForm.$setPristine();
        },

        show: function () {
            $scope.passwordchange.reset();
            $('#passwordChangeModal').modal('show');
        },

        submit: function () {
            $scope.passwordchange.error.password = null;
            $scope.passwordchange.error.newPassword = null;
            $scope.passwordchange.error.newPasswordRepeat = null;
            $scope.passwordchange.busy = true;

            Client.changePassword($scope.passwordchange.password, $scope.passwordchange.newPassword, function (error) {
                $scope.passwordchange.busy = false;

                if (error) {
                    if (error.statusCode === 412) {
                        $scope.passwordchange.error.password = true;
                        $scope.passwordchange.password = '';
                        $('#inputPasswordChangePassword').focus();
                        $scope.passwordChangeForm.password.$setPristine();
                    } else if (error.statusCode === 400) {
                        $scope.passwordchange.error.newPassword = error.message;
                        $scope.passwordchange.newPassword = '';
                        $scope.passwordchange.newPasswordRepeat = '';
                        $scope.passwordChangeForm.newPassword.$setPristine();
                        $scope.passwordChangeForm.newPasswordRepeat.$setPristine();
                        $('#inputPasswordChangeNewPassword').focus();
                    } else {
                        console.error('Unable to change password.', error);
                    }
                    return;
                }

                $scope.passwordchange.reset();
                $('#passwordChangeModal').modal('hide');
            });
        }
    };

    $scope.emailchange = {
        busy: false,
        error: {},
        email: '',

        reset: function () {
            $scope.emailchange.busy = false;
            $scope.emailchange.error.email = null;
            $scope.emailchange.email = '';

            $scope.emailChangeForm.$setUntouched();
            $scope.emailChangeForm.$setPristine();
        },

        show: function () {
            $scope.emailchange.reset();
            $('#emailChangeModal').modal('show');
        },

        submit: function () {
            $scope.emailchange.error.email = null;
            $scope.emailchange.busy = true;

            var data = {
                email: $scope.emailchange.email
            };

            Client.updateProfile(data, function (error) {
                $scope.emailchange.busy = false;

                if (error) {
                    if (error.statusCode === 409) {
                        $scope.emailchange.error.email = 'Email already taken';
                        $scope.emailChangeForm.email.$setPristine();
                        $('#inputEmailChangeEmail').focus();
                    } else {
                        console.error('Unable to change email.', error);
                    }
                    return;
                }

                Client.refreshUserInfo();

                $scope.emailchange.reset();
                $('#emailChangeModal').modal('hide');
            });
        }
    };

    $scope.fallbackEmailChange = {
        busy: false,
        error: {},
        email: '',

        reset: function () {
            $scope.fallbackEmailChange.busy = false;
            $scope.fallbackEmailChange.error.email = null;
            $scope.fallbackEmailChange.email = '';

            $scope.fallbackEmailChangeForm.$setUntouched();
            $scope.fallbackEmailChangeForm.$setPristine();
        },

        show: function () {
            $scope.fallbackEmailChange.reset();
            $('#fallbackEmailChangeModal').modal('show');
        },

        submit: function () {
            $scope.fallbackEmailChange.error.email = null;
            $scope.fallbackEmailChange.busy = true;

            var data = {
                fallbackEmail: $scope.fallbackEmailChange.email
            };

            Client.updateProfile(data, function (error) {
                $scope.fallbackEmailChange.busy = false;

                if (error) return console.error('Unable to change fallback email.', error);

                // update user info in the background
                Client.refreshUserInfo();

                $scope.fallbackEmailChange.reset();
                $('#fallbackEmailChangeModal').modal('hide');
            });
        }
    };

    $scope.appPasswordAdd = {
        password: null,
        name: '',
        identifier: '',
        busy: false,
        error: {},

        reset: function () {
            $scope.appPasswordAdd.busy = false;
            $scope.appPasswordAdd.password = null;
            $scope.appPasswordAdd.error.name = null;
            $scope.appPasswordAdd.name = '';
            $scope.appPasswordAdd.identifier = '';

            $scope.appPasswordAddForm.$setUntouched();
            $scope.appPasswordAddForm.$setPristine();
        },

        show: function () {
            $scope.appPasswordAdd.reset();
            $('#appPasswordAddModal').modal('show');
        },

        submit: function () {
            $scope.appPasswordAdd.busy = true;

            Client.addAppPassword($scope.appPasswordAdd.identifier, $scope.appPasswordAdd.name, function (error, result) {
                $scope.appPasswordAdd.busy = false;

                if (error) {
                    if (error.statusCode === 400 || error.statusCode === 409) {
                        $scope.appPasswordAdd.error.name = error.message;
                        $scope.appPasswordAddForm.name.$setPristine();
                        $('#inputAppPasswordName').focus();
                    } else {
                        console.error('Unable to create password.', error);
                    }
                    return;
                }

                $scope.appPasswordAdd.password = result;

                $scope.appPassword.refresh();
            });
        }
    };

    $scope.appPassword = {
        busy: false,
        error: {},
        passwords: [],
        identifiers: [],

        refresh: function () {
            Client.getAppPasswords(function (error, result) {
                if (error) console.error(error);

                $scope.appPassword.passwords = result.appPasswords || [];
                $scope.appPassword.identifiers = [];
                var appsById = {};
                $scope.apps.forEach(function (app) {
                    if (!app.manifest.addons) return;
                    if (app.manifest.addons.email) return;

                    var ftp = app.manifest.addons.localstorage && app.manifest.addons.localstorage.ftp;
                    var sso = app.sso && (app.manifest.addons.ldap || app.manifest.addons.proxyAuth);

                    if (!ftp && !sso) return;

                    appsById[app.id] = app;
                    var labelSuffix = '';
                    if (ftp && sso) labelSuffix = ' - SFTP & App Login';
                    else if (ftp) labelSuffix = ' - SFTP Only';
                    var label = app.label ? app.label + ' (' + app.fqdn + ')' + labelSuffix : app.fqdn + labelSuffix;
                    $scope.appPassword.identifiers.push({ id: app.id, label: label });
                });
                $scope.appPassword.identifiers.push({ id: 'mail', label: 'Mail client' });

                // setup label for the table UI
                $scope.appPassword.passwords.forEach(function (password) {
                    if (password.identifier === 'mail') return password.label = password.identifier;
                    var app = appsById[password.identifier];
                    if (!app) return password.label = password.identifier + ' (App not found)';

                    var ftp = app.manifest.addons && app.manifest.addons.localstorage && app.manifest.addons.localstorage.ftp;
                    var labelSuffix = ftp ? ' - SFTP' : '';
                    password.label = app.label ? app.label + ' (' + app.fqdn + ')' + labelSuffix : app.fqdn + labelSuffix;
                });
            });
        },

        del: function (id) {
            Client.delAppPassword(id, function (error) {
                if (error) console.error(error);

                $scope.appPassword.refresh();
            });
        }
    };

    $scope.displayNameChange = {
        busy: false,
        error: {},
        displayName: '',

        reset: function () {
            $scope.displayNameChange.busy = false;
            $scope.displayNameChange.error.displayName = null;
            $scope.displayNameChange.displayName = '';

            $scope.displayNameChangeForm.$setUntouched();
            $scope.displayNameChangeForm.$setPristine();
        },

        show: function () {
            $scope.displayNameChange.reset();
            $scope.displayNameChange.displayName = $scope.user.displayName;
            $('#displayNameChangeModal').modal('show');
        },

        submit: function () {
            $scope.displayNameChange.error.displayName = null;
            $scope.displayNameChange.busy = true;

            var user = {
                displayName: $scope.displayNameChange.displayName
            };

            Client.updateProfile(user, function (error) {
                $scope.displayNameChange.busy = false;

                if (error) {
                    if (error.statusCode === 400) {
                        $scope.displayNameChange.error.displayName = 'Invalid display name';
                        $scope.displayNameChangeForm.email.$setPristine();
                        $('#inputDisplayNameChangeDisplayName').focus();
                    } else {
                        console.error('Unable to change email.', error);
                    }
                    return;
                }

                // update user info in the background
                Client.refreshUserInfo();

                $scope.displayNameChange.reset();
                $('#displayNameChangeModal').modal('hide');
            });
        }
    };

    $scope.tokens = {
        busy: false,
        error: {},
        allTokens: [],
        webadminTokens: [],
        cliTokens: [],
        apiTokens: [],

        refresh: function () {
            $scope.tokens.busy = true;

            Client.getTokens(function (error, result) {
                if (error) return console.error(error);

                $scope.tokens.busy = false;
                $scope.tokens.allTokens = result;

                $scope.tokens.webadminTokens = result.filter(function (c) { return c.clientId === 'cid-webadmin'; });
                $scope.tokens.cliTokens = result.filter(function (c) { return c.clientId === 'cid-cli'; });
                $scope.tokens.apiTokens = result.filter(function (c) { return c.clientId === 'cid-sdk'; });
            });
        },

        revokeAllWebAndCliTokens: function () {
            $scope.tokens.busy = true;

            async.eachSeries($scope.tokens.webadminTokens.concat($scope.tokens.cliTokens), function (token, callback) {
                // do not revoke token for this session, will do at the end with logout
                if (token.accessToken === Client.getToken()) return callback();

                Client.delToken(token.id, callback);
            }, function (error) {
                if (error) console.error(error);

                Client.logout();
            });
        },

        add: {
            busy: false,
            error: null,
            name: '',
            accessToken: '',

            show: function () {
                $scope.tokens.add.name = '';
                $scope.tokens.add.accessToken = '';
                $scope.tokens.add.busy = false;
                $scope.tokens.add.error = null;
                $scope.apiTokenAddForm.name.$setPristine();

                $('#apiTokenAddModal').modal('show');
            },

            submit: function () {
                $scope.tokens.add.busy = true;

                Client.createToken($scope.tokens.add.name, function (error, result) {
                    if (error) {
                        if (error.statusCode === 400) {
                            $scope.tokens.add.error = error.message;
                            $scope.apiTokenAddForm.name.$setPristine();
                            $('#inputApiTokenName').focus();
                        } else {
                            console.error('Unable to create password.', error);
                        }
                        return;
                    }

                    $scope.tokens.add.busy = false;
                    $scope.tokens.add.accessToken = result.accessToken;

                    $scope.tokens.refresh();
                });
            }
        },

        revokeToken: function (token) {
            Client.delToken(token.id, function (error) {
                if (error) console.error(error);

                $scope.tokens.refresh();
            });
        }
    };

    Client.onReady(function () {
        $scope.appPassword.refresh();
        $scope.tokens.refresh();
        Client.refreshUserInfo(); // 2fa status might have changed by admin

        $translate.onReady(function () {
            var usedLang = $translate.use() || $translate.fallbackLanguage();

            $scope.languages = Client.getAvailableLanguages().map(function (l) {
                return {
                    display: $translate.instant('lang.'+l, {}, undefined, 'en'),
                    id: l
                };
            });
            $scope.language = $scope.languages.find(function (l) { return l.id === usedLang; });
        });
    });

    $('#avatarFileInput').get(0).onchange = function (event) {
        var fr = new FileReader();
        fr.onload = function () {
            $scope.$apply(function () {
                var tmp = {
                    file: event.target.files[0],
                    data: fr.result,
                    url: null
                };

                $scope.avatarChange.avatar = tmp;
                $scope.avatarChange.setPreviewAvatar(tmp);
            });
        };
        fr.readAsDataURL(event.target.files[0]);
    };

    // setup all the dialog focus handling
    ['passwordChangeModal', 'apiTokenAddModal', 'appPasswordAddModal', 'emailChangeModal', 'fallbackEmailChangeModal', 'displayNameChangeModal', 'twoFactorAuthenticationEnableModal', 'twoFactorAuthenticationDisableModal'].forEach(function (id) {
        $('#' + id).on('shown.bs.modal', function () {
            $(this).find("[autofocus]:first").focus();
        });
    });

    $('.modal-backdrop').remove();

    if ($location.search().setup2fa) {
        // the form elements of the FormController won't appear in scope yet
        $timeout(function () { $scope.twoFactorAuthentication.showMandatory2FA(); }, 1000);
    } else {
        // don't let the user bypass 2FA by removing the 'setup2FA' in the url
        if (Client.getConfig().mandatory2FA && !Client.getUserInfo().twoFactorAuthenticationEnabled) {
            $location.path('/profile').search({ setup2fa: true });
            return;
        }
    }
}]);