<?php

class BlockAds extends ObjectModel
{
	public $id;

	public $id_block_ads;

	public $hook_name;
	public $label;
	public $width;
	public $height;
	public $content;
	public $date_add;
	public $date_upd;

	public static $definition = array(
		'table' => 'ads',
		'primary' => 'id_block_ads',
		'multilang' => true,
		'multilang_shop' => true,
		'fields' => array(
			'hook_name' => 				array('type' => self::TYPE_STRING, 'validate' => 'isHookName', 'copy_post' => false),
			'label' => 					array('type' => self::TYPE_STRING, 'validate' => 'isString'),
			'width' => 					array('type' => self::TYPE_INT, 'validate' => 'isInt'),
			'height' => 					array('type' => self::TYPE_INT, 'validate' => 'isInt'),
			'date_add' => 					array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
			'date_upd' => 					array('type' => self::TYPE_DATE, 'validate' => 'isDate'),
			'content' => 					array('type' => self::TYPE_STRING, 'lang' => true, 'validate' => 'isAnything'),
		),
	);

	public function getPublicationsIds($page_name, DateTime $date, $id = null)
	{
		$sql = 'SELECT ap.id_publication 
			FROM '._DB_PREFIX_.'ads_publication ap
			INNER JOIN '._DB_PREFIX_.'ads_publication_page app
				ON ap.id_publication = app.id_publication
				AND app.page_name = "'.pSQL($page_name).'"
			WHERE ap.id_block_ads = '.(int)$this->id.'
			AND ( date_from = "0000-00-00 00:00:00" 
				OR date_from <= "'.$date->format('Y-m-d H:i:s').'")
			AND ( date_to = "0000-00-00 00:00:00" 
				OR date_to >= "'.$date->format('Y-m-d H:i:s').'")
			AND active = 1
			GROUP BY ap.id_publication';

		$publications = Db::getInstance()->executeS($sql);
		if(empty($publications)
			|| count($publications) == 0)
		{
			return array();
		}

		$publications = array_map(function($line){ return $line['id_publication']; }, $publications);
		if(empty($id))
			return $publications;

		$sql = 'SELECT id_publication, id_free
			FROM '._DB_PREFIX_.'ads_publication_other
			WHERE page_name = "'.pSQL($page_name).'"
			AND id_publication IN ('.implode(',', $publications).')';

		$ids_free = Db::getInstance()->executeS($sql);
		$publications = array();
		foreach($ids_free as $line)
			if($line['id_free'] == $id)
			{
				$publications[$line['id_publication']] = $line['id_publication'];
			}

		return $publications;
	}

	public function getPublications($page_name, DateTime $date, $id = null, $id_lang = null)
	{
		if(empty($id_lang))
			$id_lang = Context::getContext()->language->id;

		$ids_publications = $this->getPublicationsIds($page_name, $date, $id);
		if(count($ids_publications) == 0)
			return array();

		$collection = new Collection('Publication', $id_lang);
		$collection->where('id_publication', 'in', $ids_publications);
		return $collection->getResults();
	}

	public function getContent($page_name, DateTime $date, $id = null, $id_lang = null)
	{
		if(empty($id_lang))
			$id_lang = Context::getContext()->language->id;

		$publications = $this->getPublications($page_name, $date, $id, $id_lang = null);
		if(count($publications) > 0)
			return $publications[0]->content;

		return $this->content;
	}

	public static function getContentByHook($hook_name, $page_name, DateTime $date = null, $id = null, $id_lang = null)
	{
		if(empty($id_lang))
			$id_lang = Context::getContext()->language->id;

		$collection = new Collection('BlockAds', $id_lang);
		$collection->where('hook_name', '=', $hook_name);
		$ads = $collection->getFirst();

		if(empty($ads))
			return '';

		if(empty($date))
			$date = new DateTime();

		return $ads->getContent($page_name, $date, $id, $id_lang);
	}
}