// SPDX-FileCopyrightText: 2023 XWiki CryptPad Team <contact@cryptpad.org> and contributors
//
// SPDX-License-Identifier: AGPL-3.0-or-later

define([
    'jquery',
    '/customize/login.js',
    '/common/cryptpad-common.js',
    '/common/common-credential.js',
    '/common/common-interface.js',
    '/common/common-util.js',
    '/common/common-realtime.js',
    '/common/common-constants.js',
    '/common/common-feedback.js',
    '/common/outer/local-store.js',
    '/common/hyperscript.js',
    '/customize/pages.js',
    '/common/rpc.js',
    'onboardscreen.js',
    '/common/common-icons.js',

    'less!/install/onboarding.less',
], function ($, Login, Cryptpad, /*Test,*/ Cred, UI, Util, Realtime, Constants, Feedback, LocalStore, h, Pages, Rpc, OnboardScreen, Icons) {
    if (window.top !== window) { return; }
    var Messages = Cryptpad.Messages;
    $(function () {

        if (LocalStore.isLoggedIn() && !localStorage.CP_dev) {
            // already logged in, redirect to drive
            document.location.href = '/drive/';
            return;
        }


        // text and password input fields
        var $token = $('#installtoken');
        var $uname = $('#username');
        var $passwd = $('#password');
        var $confirm = $('#password-confirm');

        [ $token, $uname, $passwd, $confirm]
        .some(function ($el) { if (!$el.val()) { $el.focus(); return true; } });

        // checkboxes
        var $register = $('button#register');

        var I_REALLY_WANT_TO_USE_MY_EMAIL_FOR_MY_USERNAME = false;
        var br = function () { return h('br'); };

        // If the token is provided in the URL, hide the field
        var token;
        if (window.location.hash) {
            var hash = window.location.hash.slice(1);
            if (hash.length === 64) {
                token = hash;
                $token.hide();
                console.log(`Install token: ${token}`);
            }
        }

        var showTitleScreen = function (sendAdminDecree, sendAdminRpc) {
            OnboardScreen.create(sendAdminDecree, sendAdminRpc);
        };

        var registerClick = function () {
            var uname = $uname.val().trim();
            // trim whitespace surrounding the username since it is otherwise included in key derivation
            // most people won't realize that its presence is significant
            $uname.val(uname);

            var passwd = $passwd.val();
            var confirmPassword = $confirm.val();

            if (!token) { token = $token.val().trim(); }

            var shouldImport = false;
            var doesAccept;
            try {
                // if this throws there's either a horrible bug (which someone will report)
                // or the instance admins did not configure a terms page.
                doesAccept = true;
            } catch (err) {
                console.error(err);
            }

            if (Cred.isEmail(uname) && !I_REALLY_WANT_TO_USE_MY_EMAIL_FOR_MY_USERNAME) {
                var emailWarning = [
                    Messages.register_emailWarning0,
                    br(), br(),
                    Messages.register_emailWarning1,
                    br(), br(),
                    Messages.register_emailWarning2,
                    br(), br(),
                    Messages.register_emailWarning3,
                ];

                Feedback.send("EMAIL_USERNAME_WARNING", true);

                return void UI.confirm(emailWarning, function (yes) {
                    if (!yes) { return; }
                    I_REALLY_WANT_TO_USE_MY_EMAIL_FOR_MY_USERNAME = true;
                    registerClick();
                });
            }

            /* basic validation */
            if (!Cred.isLongEnoughPassword(passwd)) {
                var warning = Messages._getKey('register_passwordTooShort', [
                    Cred.MINIMUM_PASSWORD_LENGTH
                ]);
                return void UI.alert(warning);
            }

            if (passwd !== confirmPassword) { // do their passwords match?
                return void UI.alert(Messages.register_passwordsDontMatch);
            }

            if (Pages.customURLs.terms && !doesAccept) { // do they accept the terms of service? (if they exist)
                return void UI.alert(Messages.register_mustAcceptTerms);
            }

            let startOnboarding = function (network, proxy) {
                Rpc.create(network, proxy.edPrivate, proxy.edPublic, function (e, rpc) {
                    if (e) {
                        // TODO: handle error
                        return;
                    }

                    let sendAdminDecree = function (command, data, callback) {
                        var params = ['ADMIN_DECREE', [command, data]];
                        rpc.send('ADMIN', params, callback);
                    };

                    let sendAdminRpc = function (command, data, callback) {
                        var params = [command, data];
                        rpc.send('ADMIN', params, callback);
                    };

                    showTitleScreen(sendAdminDecree, sendAdminRpc);
                    UI.removeLoadingScreen();
                });
            };

            setTimeout(function () {
                var span = h('span', [
                    h('h2', [
                        Icons.get('alert'),
                        ' ',
                        Messages.register_warning,
                    ]),
                    Messages.register_warning_note
                ]);

            UI.confirm(span,
            function (yes) {
                if (!yes) { return; }

                Login.loginOrRegisterUI({
                    uname,
                    passwd,
                    isRegister: true,
                    onOTP: UI.getOTPScreen,
                    shouldImport,
                    cb: function (data) {
                        var proxy = data.proxy;
                        if (!proxy || !proxy.edPublic) { UI.alert(Messages.error); return true; }

                        Rpc.createAnonymous(data.network, function (e, call) {
                            if (e) { UI.alert(Messages.error); return console.error(e); }
                            var anon_rpc = call;

                            anon_rpc.send('ADD_FIRST_ADMIN', {
                                token: token,
                                edPublic: proxy.edPublic
                            }, function (e) {
                                if (e) { UI.alert(Messages.error); return console.error(e); }
                                localStorage.CP_admin = "1";
                                startOnboarding(data.network, proxy);
                            });
                        });

                        return true;
                    }
                });
            }, {
                ok: Messages.register_writtenPassword,
                cancel: Messages.register_cancel,
/*  If we're certain that we aren't using these "*Class" APIs
    anywhere else then we can deprecate them and make this a
    custom modal in common-interface (or here).  */
                cancelClass: 'btn.btn-cancel.btn-register',
                okClass: 'btn.btn-danger.btn-register.btn-confirm',
                reverseOrder: true,
                done: function ($dialog) {
                    $dialog.find('> div').addClass('half');
                },
            });
            }, 150);
        };

        $register.click(registerClick);

        var clickRegister = Util.notAgainForAnother(function () {
            $register.click();
        }, 500);

        $register.on('keypress', function (e) {
            if (e.which === 13) {
                e.preventDefault();
                e.stopPropagation();
                return clickRegister();
            }
        });
    });
});