<?php
/**
 * TERM OF USE "Paginated Featured Products" is licensed under Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License
 *
 *  @author    Orange35 <info@orange35.com>
 *  @copyright 2007-2015 Orange35
 *  @license   http://creativecommons.org/licenses/by-nc-sa/3.0/
 */

class AdvancedHotspotSlide extends ObjectModel
{
	public $title;
	public $url;
	public $image;
	public $active;
	public $position;
	/**
	 * @see ObjectModel::$definition
	 */
	public static $definition = array(
		'table' => 'o35_ahslider_slides',
		'primary' => 'id_homeslider_slides',
		'multilang' => true,
		'fields' => array(
			'active' => array('type' => self::TYPE_BOOL, 'validate' => 'isBool', 'required' => true),
			'position' => array('type' => self::TYPE_INT, 'validate' => 'isunsignedInt', 'required' => true),
			'title' => array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isCleanHtml', 'size' => 255), /* Lang fields*/
			'url' => array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isUrl', 'size' => 255), /* Lang fields*/
			'image' => array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isCleanHtml', 'size' => 255), /* Lang fields*/
		)
	);

	public $table_alias = '';
	public $table_name = '';
	public $slides_table_name = '';
	public $slides_lang_table_name = '';

	public function __construct($table_alias, $id_slide = null, $id_lang = null, $id_shop = null)
	{
		$this->initTables($table_alias);
		parent::__construct($id_slide, $id_lang, $id_shop);
	}

	protected function initTables($table_alias)
	{
		$this->table_alias = $table_alias;
		$this->table_name = _DB_PREFIX_.$this->table_alias;
		$this->slides_table_name = $this->table_name.'_slides';
		$this->slides_lang_table_name = $this->table_name.'_lang';
		return $this;
	}

	public function add($autodate = true, $null_values = false)
	{
		$context = Context::getContext();
		$id_shop = $context->shop->id;
		$res = parent::add($autodate, $null_values);
		$res &= Db::getInstance()->execute('
			INSERT INTO `'.$this->table_name.'` (`id_shop`, `id_homeslider_slides`)
			VALUES('.(int)$id_shop.', '.(int)$this->id.')'
		);
		return $res;
	}

	public function delete()
	{
		$res = true;
		$images = $this->image;
		foreach ($images as $image)
		{
			if (preg_match('/sample/', $image) === 0)
				if ($image && file_exists(dirname(__FILE__).'/../views/img/slides/'.$image))
					$res &= @unlink(dirname(__FILE__).'/../views/img/slides/'.$image);
		}
		$res &= $this->reOrderPositions();
		$res &= Db::getInstance()->execute('
			DELETE FROM `'.$this->table_name.'`
			WHERE `id_homeslider_slides` = '.(int)$this->id
		);
		$res &= parent::delete();
		return $res;
	}

	public function reOrderPositions()
	{
		$id_slide = $this->id;
		$context = Context::getContext();
		$id_shop = $context->shop->id;
		$max = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
			SELECT MAX(hss.`position`) as position
			FROM `'.$this->slides_table_name.'` hss, `'.$this->table_name.'` hs
			WHERE hss.`id_homeslider_slides` = hs.`id_homeslider_slides` AND hs.`id_shop` = '.(int)$id_shop
		);
		if ((int)$max == (int)$id_slide)
			return true;
		$rows = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
			SELECT hss.`position` as position, hss.`id_homeslider_slides` as id_slide
			FROM `'.$this->slides_table_name.'` hss
			LEFT JOIN `'.$this->table_name.'` hs ON (hss.`id_homeslider_slides` = hs.`id_homeslider_slides`)
			WHERE hs.`id_shop` = '.(int)$id_shop.' AND hss.`position` > '.(int)$this->position
		);
		foreach ($rows as $row)
		{
			$current_slide = new AdvancedHotspotSlide($this->table_alias, $row['id_slide']);
			--$current_slide->position;
			$current_slide->update();
			unset($current_slide);
		}
		return true;
	}
}