<?php

class AdvManu extends ObjectModel {

	public $id_advmanu;
	public $position;
	public $active;
	public $id_brand;
	public $link;

	public $title;
	public $url;
	
	public static $definition = array(
		'table' => 'advmanufacturer',
		'primary' => 'id_advmanu',
		'multilang' => TRUE,
		'fields' => array(
			'id_advmanu'      =>      array('type' => self::TYPE_INT, 'validate' => 'isInt'),
			'position'      =>      array('type' => self::TYPE_INT, 'validate' => 'isInt'),
			'active'      =>      array('type' => self::TYPE_BOOL, 'validate' => 'isInt'),
			'id_brand'      =>      array('type' => self::TYPE_INT, 'validate' => 'isInt'),
			'link'      =>      array('type' => self::TYPE_BOOL, 'validate' => 'isInt'),

			// Lang fields
			'title'         =>      array('type' => self::TYPE_STRING, 'lang' => TRUE, 'validate' => 'isGenericName', 'size' => 255),
			'url'           =>      array('type' => self::TYPE_STRING, 'lang' => TRUE, 'validate' => 'isUrl', 'size' => 255),
		)
	);

	public function __construct($id = NULL, $id_lang = NULL, $id_shop = NULL) {
		parent::__construct($id, $id_lang, $id_shop);

		$this->image_dir = _PS_IMG_DIR_ . 'manufacturer/';
	}

	public function add($null_values = false, $autodate = true)
	{
		$result = parent::add($null_values, $autodate);
		Hook::exec('actionRefreshManufacturer');

		return $result;
	}

	public function update($null_values = FALSE) {
		$result = parent::update($null_values);
		Hook::exec('actionRefreshManufacturer');

		return $result;
	}

	public function delete($null_values = FALSE) {
		$result = parent::delete($null_values);
		Hook::exec('actionRefreshManufacturer');

		return $result;
	}

	public static function getAllBrands()
	{
		$brands = Db::getInstance()->executeS('
			SELECT m.`id_manufacturer` as id, m.`name`
			FROM `' . _DB_PREFIX_ . 'manufacturer` m
		');

		return $brands;
	}

	public static function getSlides()
	{
		$context = Context::getContext();

		$brands = Db::getInstance()->executeS('
			SELECT *
			FROM `'._DB_PREFIX_.'advmanufacturer` adv
			JOIN `'._DB_PREFIX_.'advmanufacturer_lang` advl ON adv.`id_advmanu` = advl.`id_advmanu` AND id_lang = '. (int)$context->language->id . '
			WHERE adv.`active` = 1
			ORDER BY `position` ASC
		');


		foreach($brands as $key => $brand) 
		{

			if(!empty($brand['id_brand']) && $brand['id_brand'] != 0)
			{
				$brandInfo = new Manufacturer($brand['id_brand'], Context::getContext()->language->id);
				$brands[$key]['title'] = $brandInfo->name;

				if($brand['link'])
				{
					$brands[$key]['url'] = Context::getContext()->link->getManufacturerLink($brandInfo->id);
				}
			}
				

			if(file_exists(_PS_IMG_DIR_ . 'manufacturer/' . $brand['id_advmanu'] . '.jpg'))
			{
				$brands[$key]['img'] = 'manufacturer/' . $brand['id_advmanu'] . '.jpg';
			}
			elseif(file_exists(_PS_IMG_DIR_ . 'm/' . $brand['id_brand'] . '.jpg'))
			{
				$brands[$key]['img'] = 'm/' . $brand['id_brand'] . '.jpg';
			}
			else
			{
				unset($brands[$key]);
			}
		}

		return $brands;
	}

	public function deleteImage($force_delete = false)
	{
		if (!$this->id) {
			return false;
		}

		$imgToDelete = Tools::getValue('imgName', false);
  
		if ($imgToDelete === false) {
			return parent::deleteImage($force_delete = false);
		}

		if ($force_delete || !$this->hasMultishopEntries()) {
			/* Deleting object images and thumbnails (cache) */
			
			if ($this->image_dir) {
				if (file_exists($this->image_dir.$this->id.'-'.$imgToDelete.'.'.$this->image_format)
					&& !unlink($this->image_dir.$this->id.'-'.$imgToDelete.'.'.$this->image_format)) {
					return false;
				}
			}
			if (file_exists(_PS_TMP_IMG_DIR_.$this->def['table'].'_'.$this->id.'-'.$imgToDelete.'.'.$this->image_format)
				&& !unlink(_PS_TMP_IMG_DIR_.$this->def['table'].'_'.$this->id.'-'.$imgToDelete.'.'.$this->image_format)) {
				return false;
			}
			if (file_exists(_PS_TMP_IMG_DIR_.$this->def['table'].'_mini_'.$this->id.'-'.$imgToDelete.'.'.$this->image_format)
				&& !unlink(_PS_TMP_IMG_DIR_.$this->def['table'].'_mini_'.$this->id.'-'.$imgToDelete.'.'.$this->image_format)) {
				return false;
			}
		}

		return true;
	}

	public function cleanPositions(){
		return Db::getInstance()->execute('UPDATE `'._DB_PREFIX_.'advmanufacturer`
			SET `position`= `position` - 1
			WHERE `id_advmanu` = '.(int)$this->id_advmanu.'
			AND `position` > '.(int)$this->position);
	}

	public function updatePosition($way, $position) 
	{
		$sql = 'SELECT `position`, `id_advmanu`
				FROM `'._DB_PREFIX_.'advmanufacturer`
				ORDER BY `position` ASC';
		if (!$res = Db::getInstance()->executeS($sql))
			return false;

		foreach ($res as $row)
			if ((int)$row['id_advmanu'] == (int)$this->id_advmanu)
				$moved_row = $row;

		if (!isset($moved_row) || !isset($position))
			return false;

		// < and > statements rather than BETWEEN operator
		// since BETWEEN is treated differently according to databases
		$res = Db::getInstance()->execute('
			UPDATE `'._DB_PREFIX_.'advmanufacturer`
			SET `position`= `position` '.($way ? '- 1' : '+ 1').'
			WHERE `position`
			'.($way
				? '> '.(int)$moved_row['position'].' AND `position` <= '.(int)$position
				: '< '.(int)$moved_row['position'].' AND `position` >= '.(int)$position)
		)
		 && Db::getInstance()->execute('
			UPDATE `'._DB_PREFIX_.'advmanufacturer`
			SET `position` = '.(int)$position.'
			WHERE `id_advmanu`='.(int)$moved_row['id_advmanu']
		);
		$this->refreshPositions();

		Hook::exec('actionRefreshManufacturer');

		return $res;
	}

	public function refreshPositions(){
		$sql = 'SELECT `id_advmanu`
				FROM `'._DB_PREFIX_.'advmanufacturer`
				ORDER BY `position` ASC';
		if (!$blocks = Db::getInstance()->executeS($sql))
			return false;

		$pos=0;
		foreach ($blocks as $block) {
			Db::getInstance()->execute('
				UPDATE `'._DB_PREFIX_.'advmanufacturer`
				SET `position` = '.(int)$pos.'
				WHERE `id_advmanu`='.(int)$block['id_advmanu']);
			$pos++;
		}
	}

}