<?php
/**
 * @package         Regular Labs Library
 * @version         18.12.3953
 * 
 * @author          Peter van Westen <info@regularlabs.com>
 * @link            http://www.regularlabs.com
 * @copyright       Copyright © 2018 Regular Labs All Rights Reserved
 * @license         http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL
 */

namespace RegularLabs\Library;

defined('_JEXEC') or die;

use Joomla\CMS\Language\Text as JText;
use Joomla\Registry\Registry;

class FieldGroup
	extends Field
{
	public $type          = 'Field';
	public $default_group = 'Categories';

	protected function getInput()
	{
		$this->params = $this->element->attributes();

		return $this->getSelectList();
	}

	public function getGroup()
	{
		$this->params = $this->element->attributes();

		return $this->get('group', $this->default_group ?: $this->type);
	}

	public function getOptions($group = false)
	{
		$group = $group ?: $this->getGroup();
		$id    = $this->type . '_' . $group;

		if ( ! isset($data[$id]))
		{
			$data[$id] = $this->{'get' . $group}();
		}

		return $data[$id];
	}

	public function getSelectList($group = '')
	{
		if ( ! is_array($this->value))
		{
			$this->value = explode(',', $this->value);
		}

		$size     = (int) $this->get('size');
		$multiple = $this->get('multiple');

		$group = $group ?: $this->getGroup();

		$simple = $this->get('simple', ! in_array($group, ['categories']));

		return $this->selectListAjax(
			$this->type, $this->name, $this->value, $this->id,
			compact('group', 'size', 'multiple', 'simple'),
			$simple
		);
	}

	function getAjaxRaw(Registry $attributes)
	{
		$name     = $attributes->get('name', $this->type);
		$id       = $attributes->get('id', strtolower($name));
		$value    = $attributes->get('value', []);
		$size     = $attributes->get('size');
		$multiple = $attributes->get('multiple');
		$simple   = $attributes->get('simple');

		$options = $this->getOptions(
			$attributes->get('group')
		);

		return $this->selectList($options, $name, $value, $id, $size, $multiple, $simple);
	}

	public function missingFilesOrTables($tables = ['categories', 'items'], $component = '', $table_prefix = '')
	{
		$component = $component ?: $this->type;

		if ( ! Extension::isInstalled($component))
		{
			return '<fieldset class="alert alert-danger">' . JText::_('ERROR') . ': ' . JText::sprintf('RL_FILES_NOT_FOUND', JText::_('RL_' . strtoupper($component))) . '</fieldset>';
		}

		$group = $this->getGroup();

		if ( ! in_array($group, $tables) && ! in_array($group, array_keys($tables)))
		{
			// no need to check database table for this group
			return false;
		}

		$table_list = $this->db->getTableList();

		$table = isset($tables[$group]) ? $tables[$group] : $group;
		$table = $this->db->getPrefix() . strtolower($table_prefix ?: $component) . '_' . $table;

		if (in_array($table, $table_list))
		{
			// database table exists, so no error
			return false;
		}

		return '<fieldset class="alert alert-danger">' . JText::_('ERROR') . ': ' . JText::sprintf('RL_TABLE_NOT_FOUND', JText::_('RL_' . strtoupper($component))) . '</fieldset>';
	}
}
