<?php

declare(strict_types=1);

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

unset($GLOBALS['TL_DCA']['tl_calendar_events']['fields']['location']);
unset($GLOBALS['TL_DCA']['tl_calendar_events']['fields']['address']);

$GLOBALS['TL_DCA']['tl_calendar_events']['config']['onload_callback'][] = static function (): void {
    if (!isset($GLOBALS['TL_DCA']['tl_calendar_events']['palettes']) || !is_array($GLOBALS['TL_DCA']['tl_calendar_events']['palettes'])) {
        return;
    }

    foreach (array_keys($GLOBALS['TL_DCA']['tl_calendar_events']['palettes']) as $paletteName) {
        if ($paletteName === '__selector__') {
            continue;
        }

        PaletteManipulator::create()
            ->addLegend('organization_legend', 'details_legend', PaletteManipulator::POSITION_AFTER)
            ->addField(['location_id', 'type', 'organizations'], 'organization_legend', PaletteManipulator::POSITION_APPEND)
            ->applyToPalette((string) $paletteName, 'tl_calendar_events');

        PaletteManipulator::create()
            ->addField('photographer', 'image_legend', PaletteManipulator::POSITION_APPEND)
            ->applyToPalette((string) $paletteName, 'tl_calendar_events');

        PaletteManipulator::create()
            ->addField(['source', 'url', 'target'], 'details_legend', PaletteManipulator::POSITION_APPEND)
            ->addField(['termsAccepted', 'isSoldOut', 'isCanceled'], 'publish_legend', PaletteManipulator::POSITION_APPEND)
            ->applyToPalette((string) $paletteName, 'tl_calendar_events');
    }
};

$GLOBALS['TL_DCA']['tl_calendar_events']['config']['onbeforesubmit_callback'][] = static function (array $values): array {
    unset($values['organizations']);

    return $values;
};

$GLOBALS['TL_DCA']['tl_calendar_events']['fields']['location_id'] = [
    'label' => &$GLOBALS['TL_LANG']['tl_calendar_events']['location_id'],
    'exclude' => true,
    'filter' => true,
    'sorting' => true,
    'inputType' => 'select',
    'foreignKey' => 'tl_location.title',
    'options_callback' => static function (): array {
        $result = Database::getInstance()
            ->query('SELECT id, title FROM tl_location ORDER BY title ASC');

        $options = [];

        foreach ($result->fetchAllAssoc() as $row) {
            $options[(int) $row['id']] = (string) $row['title'];
        }

        return $options;
    },
    'eval' => ['mandatory' => true, 'includeBlankOption' => true, 'chosen' => true, 'tl_class' => 'w50'],
    'relation' => [
        'type' => 'hasOne',
        'load' => 'eager',
        'table' => 'tl_location',
        'field' => 'id',
    ],
    'sql' => ['type' => 'integer', 'unsigned' => true, 'default' => 0],
];

$GLOBALS['TL_DCA']['tl_calendar_events']['fields']['type'] = [
    'label' => &$GLOBALS['TL_LANG']['tl_calendar_events']['type'],
    'exclude' => true,
    'inputType' => 'select',
    'options' => ['accommodation', 'shopping', 'culture'],
    'reference' => &$GLOBALS['TL_LANG']['tl_calendar_events']['type_options'],
    'eval' => ['multiple' => true, 'chosen' => true, 'includeBlankOption' => false, 'tl_class' => 'w50'],
    'sql' => ['type' => 'blob', 'notnull' => false],
];

$GLOBALS['TL_DCA']['tl_calendar_events']['fields']['organizations'] = [
    'label' => &$GLOBALS['TL_LANG']['tl_calendar_events']['organizations'],
    'exclude' => true,
    'inputType' => 'select',
    'foreignKey' => 'tl_organization.title',
    'eval' => ['multiple' => true, 'chosen' => true, 'tl_class' => 'clr'],
    'relation' => [
        'type' => 'hasMany',
        'load' => 'lazy',
        'table' => 'tl_organization',
        'field' => 'id',
    ],
    'load_callback' => [
        static function ($value, DataContainer $dc): array {
            if (!$dc->id) {
                return [];
            }

            $result = Database::getInstance()
                ->prepare('SELECT organization_id FROM tl_calendar_events_organization WHERE event_id=? ORDER BY organization_id')
                ->execute($dc->id);

            return array_map(static fn (array $row): int => (int) $row['organization_id'], $result->fetchAllAssoc());
        },
    ],
    'save_callback' => [
        static function ($value, DataContainer $dc): array {
            if (!$dc->id) {
                return [];
            }

            $eventId = (int) $dc->id;
            $organizationIds = array_values(array_unique(array_map('intval', StringUtil::deserialize($value, true))));
            $db = Database::getInstance();
            $time = time();

            $db->prepare('DELETE FROM tl_calendar_events_organization WHERE event_id=?')
                ->execute($eventId);

            foreach ($organizationIds as $organizationId) {
                $db->prepare('INSERT INTO tl_calendar_events_organization (tstamp, event_id, organization_id) VALUES (?, ?, ?)')
                    ->execute($time, $eventId, $organizationId);
            }

            return $organizationIds;
        },
    ],
];

$GLOBALS['TL_DCA']['tl_calendar_events']['fields']['photographer'] = [
    'label' => &$GLOBALS['TL_LANG']['tl_calendar_events']['photographer'],
    'exclude' => true,
    'inputType' => 'text',
    'eval' => ['maxlength' => 255, 'tl_class' => 'w50'],
    'sql' => ['type' => 'string', 'length' => 255, 'default' => ''],
];

$GLOBALS['TL_DCA']['tl_calendar_events']['fields']['isSoldOut'] = [
    'label' => &$GLOBALS['TL_LANG']['tl_calendar_events']['isSoldOut'],
    'exclude' => true,
    'inputType' => 'checkbox',
    'eval' => ['tl_class' => 'w50'],
    'sql' => ['type' => 'string', 'length' => 1, 'fixed' => true, 'default' => ''],
];

$GLOBALS['TL_DCA']['tl_calendar_events']['fields']['isCanceled'] = [
    'label' => &$GLOBALS['TL_LANG']['tl_calendar_events']['isCanceled'],
    'exclude' => true,
    'inputType' => 'checkbox',
    'eval' => ['tl_class' => 'w50'],
    'sql' => ['type' => 'string', 'length' => 1, 'fixed' => true, 'default' => ''],
];

$GLOBALS['TL_DCA']['tl_calendar_events']['fields']['termsAccepted'] = [
    'label' => &$GLOBALS['TL_LANG']['tl_calendar_events']['termsAccepted'],
    'exclude' => true,
    'inputType' => 'checkbox',
    'eval' => ['tl_class' => 'clr'],
    'sql' => ['type' => 'string', 'length' => 1, 'fixed' => true, 'default' => ''],
];

if (isset($GLOBALS['TL_DCA']['tl_calendar_events']['fields']['source']) && is_array($GLOBALS['TL_DCA']['tl_calendar_events']['fields']['source'])) {
    $GLOBALS['TL_DCA']['tl_calendar_events']['fields']['source']['eval'] ??= [];
    $GLOBALS['TL_DCA']['tl_calendar_events']['fields']['source']['eval']['tl_class'] = 'w50';
}

if (isset($GLOBALS['TL_DCA']['tl_calendar_events']['fields']['target']) && is_array($GLOBALS['TL_DCA']['tl_calendar_events']['fields']['target'])) {
    $GLOBALS['TL_DCA']['tl_calendar_events']['fields']['target']['eval'] ??= [];
    $GLOBALS['TL_DCA']['tl_calendar_events']['fields']['target']['eval']['tl_class'] = 'w50';
}

if (isset($GLOBALS['TL_DCA']['tl_calendar_events']['fields']['url']) && is_array($GLOBALS['TL_DCA']['tl_calendar_events']['fields']['url'])) {
    $GLOBALS['TL_DCA']['tl_calendar_events']['fields']['url']['eval'] ??= [];
    $GLOBALS['TL_DCA']['tl_calendar_events']['fields']['url']['eval']['tl_class'] = 'clr';
    $GLOBALS['TL_DCA']['tl_calendar_events']['fields']['url']['eval']['mandatory'] = false;
    unset($GLOBALS['TL_DCA']['tl_calendar_events']['fields']['url']['eval']['rgxp']);
}