<?php

declare(strict_types=1);

use Contao\CoreBundle\DataContainer\PaletteManipulator;
use Contao\DataContainer;
use Contao\Database;

PaletteManipulator::create()
    ->addLegend('submission_legend', 'publish_legend', 'before')
    ->addField('submittedByMember', 'submission_legend', 'append')
    ->addField('submittedByName', 'submission_legend', 'append')
    ->addField('submittedByEmail', 'submission_legend', 'append')
    ->applyToPalette('default', 'tl_news')
    ->applyToPalette('internal', 'tl_news')
    ->applyToPalette('article', 'tl_news')
    ->applyToPalette('external', 'tl_news');

$GLOBALS['TL_DCA']['tl_news']['config']['onsubmit_callback'][] = static function (DataContainer $dc): void {
    $newsId = (int) ($dc->id ?? 0);

    if ($newsId <= 0) {
        return;
    }

    $database = Database::getInstance();

    $memberId = (int) $database
        ->prepare('SELECT submittedByMember FROM tl_news WHERE id=?')
        ->limit(1)
        ->execute($newsId)
        ->submittedByMember;

    if ($memberId <= 0) {
        $database
            ->prepare('UPDATE tl_news SET submittedByName=?, submittedByEmail=? WHERE id=?')
            ->execute('', '', $newsId);

        return;
    }

    $member = $database
        ->prepare('SELECT firstname, lastname, email FROM tl_member WHERE id=?')
        ->limit(1)
        ->execute($memberId)
        ->fetchAssoc();

    if (false === $member || null === $member) {
        $database
            ->prepare('UPDATE tl_news SET submittedByName=?, submittedByEmail=? WHERE id=?')
            ->execute('', '', $newsId);

        return;
    }

    $name = trim((string) (($member['firstname'] ?? '').' '.($member['lastname'] ?? '')));
    $email = trim((string) ($member['email'] ?? ''));

    $database
        ->prepare('UPDATE tl_news SET submittedByName=?, submittedByEmail=? WHERE id=?')
        ->execute($name, $email, $newsId);
};

$GLOBALS['TL_DCA']['tl_news']['fields']['submittedByMember'] = [
    'label' => &$GLOBALS['TL_LANG']['tl_news']['submittedByMember'],
    'exclude' => true,
    'inputType' => 'select',
    'options_callback' => static function (): array {
        $rows = Database::getInstance()
            ->prepare('SELECT id, firstname, lastname FROM tl_member ORDER BY lastname ASC, firstname ASC')
            ->execute()
            ->fetchAllAssoc();

        $options = [];

        foreach ($rows as $row) {
            $id = (int) ($row['id'] ?? 0);

            if ($id <= 0) {
                continue;
            }

            $lastName = trim((string) ($row['lastname'] ?? ''));
            $firstName = trim((string) ($row['firstname'] ?? ''));
            $label = trim($lastName.', '.$firstName, ' ,');

            $options[$id] = '' !== $label ? $label : 'Mitglied #'.$id;
        }

        return $options;
    },
    'save_callback' => [
        static function ($value): int {
            return max(0, (int) $value);
        },
    ],
    'eval' => ['chosen' => true, 'includeBlankOption' => true, 'tl_class' => 'clr w50'],
    'sql' => ['type' => 'integer', 'unsigned' => true, 'notnull' => false],
];

$GLOBALS['TL_DCA']['tl_news']['fields']['submittedByName'] = [
    'label' => &$GLOBALS['TL_LANG']['tl_news']['submittedByName'],
    'exclude' => true,
    'inputType' => 'text',
    'eval' => ['readonly' => true, 'disabled' => true, 'tl_class' => 'w50'],
    'sql' => "varchar(255) NOT NULL default ''",
];

$GLOBALS['TL_DCA']['tl_news']['fields']['submittedByEmail'] = [
    'label' => &$GLOBALS['TL_LANG']['tl_news']['submittedByEmail'],
    'exclude' => true,
    'inputType' => 'text',
    'eval' => ['readonly' => true, 'disabled' => true, 'rgxp' => 'email', 'tl_class' => 'w50'],
    'sql' => "varchar(255) NOT NULL default ''",
];