<?php

declare(strict_types=1);

use Contao\DataContainer;
use Contao\Database;
use Contao\Input;

$GLOBALS['TL_DCA']['tl_pinnwand'] = [
    'config' => [
        'dataContainer' => Contao\DC_Table::class,
        'enableVersioning' => true,
        'sql' => [
            'keys' => [
                'id' => 'primary',
                'published' => 'index',
                'hervorgehoben' => 'index',
            ],
        ],
    ],
    'list' => [
        'sorting' => [
            'mode' => 1,
            'fields' => ['hervorgehoben DESC', 'dateAdded DESC'],
            'flag' => 6,
            'panelLayout' => 'filter;sort,search,limit',
        ],
        'label' => [
            'fields' => ['ueberschrift', 'dateAdded', 'dateModified'],
            'showColumns' => true,
        ],
        'global_operations' => [
            'all' => [
                'href' => 'act=select',
                'class' => 'header_edit_all',
                'attributes' => 'onclick="Backend.getScrollOffset()" accesskey="e"',
            ],
        ],
        'operations' => [
            'edit' => [
                'href' => 'act=edit',
                'icon' => 'edit.svg',
            ],
            'copy' => [
                'href' => 'act=copy',
                'icon' => 'copy.svg',
            ],
            'delete' => [
                'href' => 'act=delete',
                'icon' => 'delete.svg',
                'attributes' => 'onclick="if(!confirm(\'' . ($GLOBALS['TL_LANG']['MSC']['deleteConfirm'] ?? 'Möchten Sie den Eintrag wirklich löschen?') . '\'))return false;Backend.getScrollOffset()"',
            ],
            'toggle' => [
                'href' => 'act=toggle&amp;field=published',
                'icon' => 'visible.svg',
            ],
            'show' => [
                'href' => 'act=show',
                'icon' => 'show.svg',
            ],
        ],
    ],
    'palettes' => [
        'default' => '{title_legend},ueberschrift,text,link,bild;{meta_legend},dateAdded,dateModified;{publish_legend},published,hervorgehoben',
    ],
    'fields' => [
        'id' => [
            'sql' => 'int(10) unsigned NOT NULL auto_increment',
        ],
        'tstamp' => [
            'sql' => 'int(10) unsigned NOT NULL default 0',
        ],
        'ueberschrift' => [
            'exclude' => true,
            'search' => true,
            'sorting' => true,
            'inputType' => 'text',
            'eval' => ['mandatory' => true, 'maxlength' => 255, 'tl_class' => 'w50'],
            'sql' => "varchar(255) NOT NULL default ''",
        ],
        'text' => [
            'exclude' => true,
            'search' => true,
            'inputType' => 'textarea',
            'eval' => ['mandatory' => true, 'maxlength' => 3000, 'tl_class' => 'clr'],
            'sql' => 'text NULL',
        ],
        'link' => [
            'exclude' => true,
            'search' => true,
            'inputType' => 'text',
            'eval' => ['rgxp' => 'url', 'decodeEntities' => true, 'maxlength' => 2048, 'dcaPicker' => true, 'tl_class' => 'w50'],
            'sql' => "varchar(2048) NOT NULL default ''",
        ],
        'bild' => [
            'exclude' => true,
            'inputType' => 'fileTree',
            'eval' => ['filesOnly' => true, 'fieldType' => 'radio', 'extensions' => Contao\Config::get('validImageTypes'), 'mandatory' => false, 'tl_class' => 'w50 clr'],
            'sql' => 'binary(16) NULL',
        ],
        'dateAdded' => [
            'sorting' => true,
            'flag' => 6,
            'inputType' => 'text',
            'default' => time(),
            'eval' => ['rgxp' => 'datim', 'datepicker' => true, 'mandatory' => true, 'tl_class' => 'w50 wizard'],
            'sql' => 'int(10) unsigned NOT NULL default 0',
        ],
        'dateModified' => [
            'sorting' => true,
            'flag' => 6,
            'inputType' => 'text',
            'default' => time(),
            'eval' => ['rgxp' => 'datim', 'readonly' => true, 'tl_class' => 'w50'],
            'sql' => 'int(10) unsigned NOT NULL default 0',
        ],
        'published' => [
            'exclude' => true,
            'filter' => true,
            'toggle' => true,
            'inputType' => 'checkbox',
            'eval' => ['doNotCopy' => true, 'tl_class' => 'w50 m12'],
            'sql' => "char(1) NOT NULL default ''",
        ],
        'hervorgehoben' => [
            'exclude' => true,
            'filter' => true,
            'toggle' => true,
            'inputType' => 'checkbox',
            'eval' => ['tl_class' => 'w50 m12'],
            'sql' => "char(1) NOT NULL default ''",
        ],
    ],
];

$GLOBALS['TL_DCA']['tl_pinnwand']['fields']['ueberschrift']['save_callback'][] = static function (string $value, DataContainer $dataContainer): string {
    if ('copy' !== Input::get('act')) {
        return $value;
    }

    $baseHeadline = trim($value);

    if ('' === $baseHeadline) {
        return $value;
    }

    $start = 2;
    $base = $baseHeadline;

    if (preg_match('/^(.*)\s\((\d+)\)$/', $baseHeadline, $matches)) {
        $base = trim($matches[1]);
        $start = (int) $matches[2] + 1;
    }

    $id = (int) ($dataContainer->id ?? 0);
    $number = max(2, $start);
    $candidate = sprintf('%s (%d)', $base, $number);

    do {
        $exists = Database::getInstance()
            ->prepare('SELECT id FROM tl_pinnwand WHERE ueberschrift=? AND id!=?')
            ->execute($candidate, $id);

        if ($exists->numRows < 1) {
            return $candidate;
        }

        ++$number;
        $candidate = sprintf('%s (%d)', $base, $number);
    } while (true);
};

$GLOBALS['TL_DCA']['tl_pinnwand']['fields']['dateAdded']['load_callback'][] = static function (mixed $value): int {
    $timestamp = (int) $value;

    return $timestamp > 0 ? $timestamp : time();
};

$GLOBALS['TL_DCA']['tl_pinnwand']['fields']['dateModified']['load_callback'][] = static function (mixed $value): int {
    $timestamp = (int) $value;

    return $timestamp > 0 ? $timestamp : time();
};