<?php

// {{{ License

// This file is part of GNU social - https://www.gnu.org/software/social
//
// GNU social is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// GNU social is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with GNU social.  If not, see <http://www.gnu.org/licenses/>.

// }}}

/**
 * Handle network public feed
 *
 * @package  GNUsocial
 * @category Controller
 *
 * @author    Hugo Sales <hugo@hsal.es>
 * @author    Eliseu Amaro <eliseu@fc.up.pt>
 * @copyright 2020-2021 Free Software Foundation, Inc http://www.fsf.org
 * @license   https://www.gnu.org/licenses/agpl.html GNU AGPL v3 or later
 */

namespace App\Controller;

// {{{ Imports

use App\Core\DB\DB;
use App\Core\Event;
use App\Core\Form;
use App\Core\GSFile;
use function App\Core\I18n\_m;
use App\Core\Log;
use App\Entity\Avatar;
use App\Util\ClientException;
use App\Util\Common;
use App\Util\Form\ArrayTransformer;
use Doctrine\DBAL\Types\Types;
use Exception;
use Functional as F;
use Misd\PhoneNumberBundle\Form\Type\PhoneNumberType;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\Form\Extension\Core\Type\CheckboxType;
use Symfony\Component\Form\Extension\Core\Type\FileType;
use Symfony\Component\Form\Extension\Core\Type\HiddenType;
use Symfony\Component\Form\Extension\Core\Type\LanguageType;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextareaType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\HttpFoundation\File\File as SymfonyFile;
use Symfony\Component\HttpFoundation\Request;

// }}} Imports

class UserPanel extends AbstractController
{
    /**
     * Local user personal information panel
     */
    public function personal_info(Request $request)
    {
        $user            = Common::user();
        $user            = $user->getActor();
        $extra           = ['self_tags' => $user->getSelfTags()];
        $form_definition = [
            ['nickname',  TextType::class,     ['label' => _m('Nickname'),  'required' => true,  'help' => _m('1-64 lowercase letters or numbers, no punctuation or spaces.')]],
            ['full_name', TextType::class,     ['label' => _m('Full Name'), 'required' => false, 'help' => _m('A full name is required, if empty it will be set to your nickname.')]],
            ['homepage',  TextType::class,     ['label' => _m('Homepage'),  'required' => false, 'help' => _m('URL of your homepage, blog, or profile on another site.')]],
            ['bio',       TextareaType::class, ['label' => _m('Bio'),       'required' => false, 'help' => _m('Describe yourself and your interests.')]],
            ['location',  TextType::class,     ['label' => _m('Location'),  'required' => false, 'help' => _m('Where you are, like "City, State (or Region), Country".')]],
            ['self_tags', TextType::class,     ['label' => _m('Self Tags'), 'required' => false, 'transformer' => ArrayTransformer::class, 'help' => _m('Tags for yourself (letters, numbers, -, ., and _), comma- or space-separated.')]],
            ['save',      SubmitType::class,   ['label' => _m('Save')]],
        ];
        $extra_step = function ($data, $extra_args) use ($user) { $user->setNickname($data['nickname']); };
        $form = Form::handle($form_definition, $request, $user, $extra, $extra_step, [['self_tags' => $extra['self_tags']]]);

        return ['_template' => 'settings/profile.html.twig', 'prof' => $form->createView()];
    }

    /**
     * Local user account information panel
     */
    public function account(Request $request)
    {
        $user            = Common::user();
        $form_definition = [
            ['outgoing_email',  TextType::class,        ['label' => _m('Outgoing email'), 'required' => true,  'help' => _m('Change the email we use to contact you')]],
            ['incoming_email',  TextType::class,        ['label' => _m('Incoming email'), 'required' => true,  'help' => _m('Change the email you use to contact us (for posting, for instance)')]],
            ['password',        TextType::class,        ['label' => _m('Password'),       'required' => false, 'help' => _m('Change your password'), 'attr' => ['placeholder' => '********']]],
            ['old_password',    TextType::class,        ['label' => _m('Old password'),   'required' => false, 'help' => _m('Enter your old password for verification'), 'attr' => ['placeholder' => '********']]],
            ['language',        LanguageType::class,    ['label' => _m('Language'),       'required' => false, 'help' => _m('Your preferred language')]],
            ['phone_number',    PhoneNumberType::class, ['label' => _m('Phone number'),   'required' => false, 'help' => _m('Your phone number'), 'data_class' => null]],
            ['save',            SubmitType::class,      ['label' => _m('Save')]],
        ];

        $form = Form::handle($form_definition, $request, $user);

        return ['_template' => 'settings/account.html.twig', 'acc' => $form->createView()];
    }

    /**
     * Local user avatar panel
     */
    public function avatar(Request $request)
    {
        $form = Form::create([
            ['avatar', FileType::class,   ['label' => _m('Avatar'), 'help' => _m('You can upload your personal avatar. The maximum file size is 2MB.')]],
            ['hidden', HiddenType::class, []],
            ['save',   SubmitType::class, ['label' => _m('Submit')]],
        ]);

        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            $data  = $form->getData();
            $sfile = null;
            if (isset($data['hidden'])) {
                // Cropped client side
                $matches = [];
                if (!empty(preg_match('/data:([^;]*)(;(base64))?,(.*)/', $data['hidden'], $matches))) {
                    list(, $mimetype_user, , $encoding_user, $data_user) = $matches;
                    if ($encoding_user == 'base64') {
                        $data_user = base64_decode($data_user);
                        $filename  = tempnam('/tmp/', 'avatar');
                        file_put_contents($filename, $data_user);
                        $sfile = new SymfonyFile($filename);
                    } else {
                        Log::info('Avatar upload got an invalid encoding, something\'s fishy and/or wrong');
                    }
                }
            } elseif (isset($data['avatar'])) {
                // Cropping failed (e.g. disabled js), have file as uploaded
                $sfile = $data['avatar'];
            } else {
                throw new ClientException('Invalid form');
            }
            $user       = Common::user();
            $gsactor_id = $user->getId();
            $file       = GSFile::validateAndStoreAttachment($sfile, Common::config('avatar', 'dir'), $title = null, $is_local = true, $use_unique = $gsactor_id);
            $old_file   = null;
            $avatar     = DB::find('avatar', ['gsactor_id' => $gsactor_id]);
            // Must get old id before inserting another one
            if ($avatar != null) {
                $old_file = $avatar->delete();
            }
            DB::persist($file);
            // Can only get new id after inserting
            DB::flush();
            DB::persist(Avatar::create(['gsactor_id' => $gsactor_id, 'attachment_id' => $file->getId()]));
            DB::flush();
            // Only delete files if the commit went through
            if ($old_file != null) {
                @unlink($old_file);
            }
            Event::handle('DeleteCachedAvatar', [$user->getId()]);
        }

        return ['_template' => 'settings/avatar.html.twig', 'avatar' => $form->createView()];
    }

    /**
     * Local user notification settings tabbed panel
     */
    public function notifications(Request $request)
    {
        $schema    = DB::getConnection()->getSchemaManager();
        $platform  = $schema->getDatabasePlatform();
        $columns   = Common::arrayRemoveKeys($schema->listTableColumns('user_notification_prefs'), ['user_id', 'transport', 'created', 'modified']);
        $form_defs = ['placeholder' => []];
        foreach ($columns as $name => $col) {
            $type     = $col->getType();
            $val      = $type->convertToPHPValue($col->getDefault(), $platform);
            $type_str = lcfirst(substr((string) $type, 1));
            $label    = str_replace('_', ' ', ucfirst($name));

            $labels = [
                'target_actor_id' => 'Target Actors',
                'dm'              => 'DM',
            ];

            $help = [
                'target_actor_id'       => 'If specified, these settings apply only to these profiles (comma- or space-separated list)',
                'activity_by_followed'  => 'Notify me when someone I follow has new activity',
                'mention'               => 'Notify me when mentions me in a notice',
                'reply'                 => 'Notify me when someone replies to a notice made by me',
                'follow'                => 'Notify me when someone follows me or asks for permission to do so',
                'favorite'              => 'Notify me when someone favorites one of my notices',
                'nudge'                 => 'Notify me when someone nudges me',
                'dm'                    => 'Notify me when someone sends me a direct message',
                'post_on_status_change' => 'Post a notice when my status in this service changes',
                'enable_posting'        => 'Enable posting from this service',
            ];

            switch ($type_str) {
            case Types::BOOLEAN:
                $form_defs['placeholder'][$name] = [$name, CheckboxType::class, ['data' => $val, 'label' => _m($labels[$name] ?? $label), 'help' => _m($help[$name])]];
                break;
            case Types::INTEGER:
                if ($name == 'target_actor_id') {
                    $form_defs['placeholder'][$name] = ['target_actors', TextType::class, ['data' => $val, 'label' => _m($labels[$name]), 'help' => _m($help[$name])], 'transformer' => ActorArrayTransformer::class];
                }
                break;
            default:
                dd($type_str);
                throw new Exception("Structure of table user_notification_prefs changed in a way not accounted to in notification settings ({$name})", 500);
            }
        }

        Event::handle('AddNotificationTransport', [&$form_defs]);
        unset($form_defs['placeholder']);

        $tabbed_forms = [];
        foreach ($form_defs as $transport_name => $f) {
            $tabbed_forms[$transport_name] = Form::create($f);
        }

        $tabbed_forms = F\map($tabbed_forms, function ($f) { return $f->createView(); });
        return [
            '_template'    => 'settings/notifications.html.twig',
            'tabbed_forms' => $tabbed_forms,
        ];
    }
}