<?php
/**
* 2014 - Agencya SARL
*
* NOTICE OF LICENSE
*
* The source code of this module is under a commercial license.
* Each license is unique and can be installed and used on only one shop.
* Any reproduction or representation total or partial of the module, one or more of its components,
* by any means whatsoever, without express permission from us is prohibited.
* If you have not received this module from us, thank you for contacting us.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade this module to newer
* versions in the future.
*
* @author    Agencya
* @copyright 2014 - Agencya SARL
* @license   commercial
* International Registered Trademark & Property of Agencya SARL
*/

if (!defined('_PS_VERSION_'))
	exit;

if (!defined('_MYSQL_ENGINE_'))
	define('_MYSQL_ENGINE_', 'MyISAM');

require_once(_PS_MODULE_DIR_.'flashsales/models/FlashSale.php');
if (version_compare(_PS_VERSION_, '1.6.0.7', '<'))
	require_once(_PS_MODULE_DIR_.'flashsales/models/Uploader.php');

class flashsales extends Module {

	private $_html = '';

	private $_post_errors = array();

	private $_css_fields = array(
		0 => array('class' => '.flashsale-countdown-box', 'property' => 'width', 'field' => 'box_width'),
		1 => array('class' => '.flashsale-countdown-box', 'property' => 'border-width', 'field' => 'box_border_width'),
		2 => array('class' => '.flashsale-countdown-box', 'property' => 'border-style', 'field' => 'box_border_style'),
		3 => array('class' => '.flashsale-countdown-box', 'property' => 'border-color', 'field' => 'box_border_color'),
		4 => array('class' => '.flashsale-countdown-box', 'property' => 'background-color', 'field' => 'box_background_color'),
		5 => array('class' => '.flashsale-countdown-box .content i.icon-clock-o', 'property' => 'color', 'field' => 'icon_color'),
		6 => array('class' => '.flashsale-countdown-box .content i.icon-clock-o', 'property' => 'font-size', 'field' => 'icon_font_size'),
		7 => array('class' => '.flashsale-countdown-box .content i.icon-clock-o', 'property' => 'display', 'field' => 'icon_display'),
		8 => array('class' => '.flashsale-countdown-box .content span.title', 'property' => 'color', 'field' => 'title_color'),
		9 => array('class' => '.flashsale-countdown-box .content span.title', 'property' => 'font-size', 'field' => 'title_font_size'),
		10 => array('class' => '.flashsale-countdown-box .content span.countdown', 'property' => 'color', 'field' => 'countdown_color'),
		11 => array('class' => '.flashsale-countdown-box .content span.countdown', 'property' => 'font-size', 'field' => 'countdown_font_size'),
	);

	protected static $cache_flash_sales = array();

	public function __construct()
	{
		$this->name	= 'flashsales';
		$this->tab	= 'front_office_features';
		$this->version = '2.0.0';
		$this->author	= 'Agencya';
		$this->module_key = '36c6c0e545ecf7134526a92f293d06da';
		$this->bootstrap = true;
		parent::__construct();

		$this->displayName = $this->l('Flash Sales - Extended');
		$this->description	= $this->l('Add, edit, customize your flash sales effectively and intuitively to boost your sales!');
		$this->ps_versions_compliancy = array('min' => '1.5.0', 'max' => '1.6.9');
	}

	public function install($delete_params = true)
	{
		if (!parent::install()
			|| !$this->registerHook('actionAdminControllerSetMedia')
			|| !$this->registerHook('header')
			|| !$this->registerHook('displayHome')
			|| !$this->registerHook('displayHomeTab')
			|| !$this->registerHook('displayHomeTabContent')
			|| !$this->registerHook('rightColumn')
			|| !$this->registerHook('leftColumn')
			|| !$this->registerHook('displayProductListReviews')
			|| !$this->registerHook('actionObjectDeleteAfter')
			|| !$this->registerHook('displayRightColumnProduct'))
			return false;

		// Install database
		if ($delete_params)
			if (!$this->installDb())
				return false;

		// Instal conf
		if (!$this->installConf())
			return false;

		$languages = Language::getLanguages();

		// Install Tab
		$tab = new Tab();
		foreach ($languages as $lang)
			$tab->name[$lang['id_lang']] = $this->l('Flash Sales');
		$tab->class_name = 'AdminFlashSales';
		$tab->id_parent = (int)Tab::getIdFromClassName('AdminPriceRule');
		$tab->module = $this->name;
		if (!$tab->add())
			return false;

		// Install Meta
		$meta = new Meta();
		$meta->page = 'module-'.$this->name.'-page';
		$meta->configurable = 1;
		foreach ($languages as $language)
		{
			if ($language['iso_code'] == 'fr')
			{
				$meta->title[(int)$language['id_lang']] = 'Ventes flash';
				$meta->description[(int)$language['id_lang']] = '';
				$meta->url_rewrite[(int)$language['id_lang']] = 'ventes-flash';
			}
			else
			{
				$meta->title[(int)$language['id_lang']] = 'Flash sales';
				$meta->description[(int)$language['id_lang']] = '';
				$meta->url_rewrite[(int)$language['id_lang']] = 'flash-sales';
			}
		}
		$meta->add();

		if (version_compare(_PS_VERSION_, '1.6', '>='))
		{
			$themes = Theme::getThemes();
			$theme_meta_value = array();
			foreach ($themes as $theme)
			{
				$theme_meta_value[] = array(
					'id_theme' => $theme->id,
					'id_meta' => (int)$meta->id,
					'left_column' => (int)$theme->default_left_column,
					'right_column' => (int)$theme->default_right_column
				);

			}
			if (count($theme_meta_value) > 0)
				Db::getInstance()->insert('theme_meta', (array)$theme_meta_value, false, true, DB::INSERT_IGNORE);
		}

		$this->_clearCache('*');

		return true;
	}

	public function installDb()
	{
		$sql = array();
		include(dirname(__FILE__).'/sql/install.php');
		foreach ($sql as $s)
			if (!Db::getInstance()->execute($s))
				return false;

		return true;
	}

	public function installConf()
	{
		if (!Configuration::updateValue('FLASHSALE_PRODUCTS_NB', '8')
			|| !Configuration::updateValue('FLASHSALE_DEL_SPECIFICPRICE', '1')
			|| !Configuration::updateValue('FLASHSALE_DISPLAY_TOPMENU', '0'))
			return false;

		$values = array();
		$languages = Language::getLanguages(false);
		foreach ($languages as $language)
		{
			$values['FLASHSALE_PAGE_TITLE'] = array($language['id_lang'] => $language['iso_code'] == 'fr' ? 'Ventes Flash' : 'Flash Sales');
			$values['FLASHSALE_COUNTDOWN_STRING'] = array($language['id_lang'] => $language['iso_code'] == 'fr' ? 'Vente flash' : 'Flash sale');

			foreach ($values as $key => $value)
				if (!Configuration::updateValue($key, $value))
					return false;
		}

		return true;
	}

	public function uninstall($delete_params = true)
	{
		// Uninstall Module
		if (!parent::uninstall())
			return false;

		// Delete specific prices & database
		if ($delete_params)
			if (!$this->deleteSpecificPrice() || !$this->uninstallDb())
				return false;

		// Delete conf
		if (!$this->uninstallConf())
			return false;

		// Delete Tabs
		$tabs = Tab::getCollectionFromModule($this->name);
		foreach ($tabs as $tab)
			$tab->delete();

		// Delete Meta
		$metas = Meta::getMetaByPage('module-'.$this->name.'-page', (int)$this->context->language->id);
		$meta = new Meta((int)$metas['id_meta']);
		if ($meta->delete() && version_compare(_PS_VERSION_, '1.6', '>='))
			Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'theme_meta` WHERE id_meta='.(int)$meta->id);

		// Delete top-menu link
		if (class_exists('MenuTopLinks'))
		{
			$shop_id = (int)Shop::getContextShopID();
			$shop_group_id = Shop::getGroupFromShop($shop_id);
			$conf = Configuration::get('MOD_BLOCKTOPMENU_ITEMS', null, $shop_group_id, $shop_id);

			$id_linksmenutop = $this->addTopMenuLink();
			MenuTopLinks::remove($id_linksmenutop, $shop_id);
			Configuration::updateValue('MOD_BLOCKTOPMENU_ITEMS', (string)str_replace(array('LNK'.$id_linksmenutop.',', 'LNK'.$id_linksmenutop), '', $conf),
				false, $shop_group_id, $shop_id);
		}

		// Clear cache
		$this->_clearCache('*');

		return true;
	}

	public function deleteSpecificPrice()
	{
		$ids_flash_sale = FlashSale::getFlashSalesLite();
		foreach ($ids_flash_sale as $id_flash_sale)
		{
			$flash_sale = new FlashSale((int)$id_flash_sale);
			$flash_sale->deleteSpecificPrice();
		}

		return true;
	}

	public function uninstallDb()
	{
		$sql = array();
		include(dirname(__FILE__).'/sql/uninstall.php');
		foreach ($sql as $s)
			if (!Db::getInstance()->execute($s))
				return false;

		return true;
	}

	public function uninstallConf()
	{
		Configuration::deleteByName('FLASHSALE_PAGE_TITLE');
		Configuration::deleteByName('FLASHSALE_COUNTDOWN_STRING');
		Configuration::deleteByName('FLASHSALE_PRODUCTS_NB');
		Configuration::deleteByName('FLASHSALE_DEL_SPECIFICPRICE');
		Configuration::deleteByName('FLASHSALE_DISPLAY_TOPMENU');

		return true;
	}

	public function reset()
	{
		if (!$this->uninstall(false))
			return false;
		if (!$this->install(false))
			return false;

		return true;
	}

	public function getContent()
	{
		if (Tools::isSubmit('submitFlashSales'))
		{
			$this->updateConfigFieldsValues();

			$topmenu = Module::getInstanceByName('blocktopmenu');
			if ($topmenu && $topmenu->active)
				$this->updateTopMenuDisplay();

			$this->updateCssFile();

			if (!count($this->_post_errors))
				Tools::redirectAdmin($this->context->link->getAdminLink('AdminModules', false).'&configure='.$this->name.'&conf=4&token='.Tools::getAdminTokenLite('AdminModules'));
			else
				foreach ($this->_post_errors as $err)
					$this->_html .= $this->displayError($err);
		}

		if (version_compare(_PS_VERSION_, '1.6', '<'))
		{
			$this->_html .= '<div id="flashsale-content" class="bootstrap">';
			$this->_html .= $this->renderFlashSalesForm();
			$this->_html .= '</div>';
		}
		else
			$this->_html .= $this->renderFlashSalesForm();

		return $this->_html;
	}

	public function renderFlashSalesForm()
	{
		$languages = Language::getLanguages();
		$topmenu = Module::getInstanceByName('blocktopmenu');

		$css_file = Tools::file_get_contents(_PS_MODULE_DIR_.$this->name.'/views/css/design.css');
		$css_fields = $this->loadCssFields($css_file);

		$this->context->smarty->assign(array(
			'languages' => Language::getLanguages(true, Context::getContext()->shop->id),
			'default_language' => (int)Configuration::get('PS_LANG_DEFAULT'),
			'currentIndex' => $this->context->link->getAdminLink('AdminModules', true).'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name,
			'currentToken' => Tools::getAdminTokenLite('AdminModules'),
			'css_file' => $css_file,
			'css_fields' => $css_fields,
			'topmenu' => (bool)($topmenu && $topmenu->active),
			'tpl_general' => _PS_MODULE_DIR_.$this->name.'/views/templates/admin/settings/general.tpl',
			'tpl_display' => _PS_MODULE_DIR_.$this->name.'/views/templates/admin/settings/display.tpl',
			'tpl_css' => _PS_MODULE_DIR_.$this->name.'/views/templates/admin/settings/css.tpl',
		));

		if (version_compare(_PS_VERSION_, '1.6', '<'))
		{
			$this->context->controller->addCss($this->_path.'views/css/admin-theme.css', 'all');
			$this->context->controller->addJS(array(
				_MODULE_DIR_.'flashsales/views/js/tools/bootstrap.js',
				_MODULE_DIR_.'flashsales/views/js/tools/jquery.autosize.js',
				_MODULE_DIR_.'flashsales/views/js/tools/functions.js'
			));
		}

		$this->context->controller->addJqueryPlugin('colorpicker');
		$this->context->controller->addJS(_MODULE_DIR_.$this->name.'/views/js/settings.js');

		return $this->context->smarty->createTemplate(_PS_MODULE_DIR_.$this->name.'/views/templates/admin/settings/form.tpl', $this->context->smarty)->fetch();
	}

	protected function updateConfigFieldsValues()
	{
		$config = $this->getConfigFieldsValues();
		foreach ($config as $key => $val)
		{
			if (is_array($val) && count($val))
				foreach ($val as $v)
					if (!Validate::isCleanHTML($v))
					{
						$this->_post_errors[] = sprintf($this->l('Unvalid lang field : "%s"'), $key);
						return false;
					}

			Configuration::updateValue($key, $val);
		}
	}

	protected function loadCssFields($content)
	{
		if (empty($content))
			return array();

		$fields = array();
		foreach ($this->_css_fields as $css_field)
		{
			$pos = stripos($content, $css_field['class']);
			$pos = stripos($content, $css_field['property'], $pos);
			$pos = stripos($content, ':', $pos);
			$start = $pos + 1;
			$end = stripos($content, ';', $start);
			$output = Tools::substr($content, $start, $end - $start);

			// replace pattern
			$pattern = array('/px/', '/%/', '/inline-block/', '/solid/', '/none/');
			$replace = array('', '', 1, 1, 0);
			$output = preg_replace($pattern, $replace, $output);
			// delete spaces
			$output = trim($output);

			$fields[$css_field['field']] = $output;
		}

		return $fields;
	}

	protected function updateCssFile()
	{
		$content = strip_tags(Tools::getValue('css_file'));
		// replace correct end of line
		$content = str_replace("\r\n", PHP_EOL, $content);
		// Magic Quotes shall... not.. PASS!
		if (_PS_MAGIC_QUOTES_GPC_)
			$content = Tools::stripslashes($content);

		if (Validate::isCleanHTML($content))
		{
			$path = _PS_MODULE_DIR_.$this->name.'/views/css/design.css';
			if (!file_put_contents($path, $content))
				$this->_post_errors[] = sprintf($this->l('File "%s" cannot be created'), dirname($path));
		}
		else
			$this->_post_errors[] = $this->l('Your css cannot contain JavaScript code.');
	}

	protected function updateTopMenuDisplay()
	{
		$shop_id = (int)Shop::getContextShopID();
		$shop_group_id = Shop::getGroupFromShop($shop_id);
		$conf = Configuration::get('MOD_BLOCKTOPMENU_ITEMS', null, $shop_group_id, $shop_id);

		$display = Tools::getValue('flashsale_display_topmenu');
		Configuration::updateValue('FLASHSALE_DISPLAY_TOPMENU', (int)$display);

		$id_linksmenutop = $this->addTopMenuLink();

		if (!$display)
		{
			MenuTopLinks::remove($id_linksmenutop, $shop_id);
			Configuration::updateValue('MOD_BLOCKTOPMENU_ITEMS', (string)str_replace(array('LNK'.$id_linksmenutop.',', 'LNK'.$id_linksmenutop), '', $conf), false, $shop_group_id, $shop_id);
		}
		else
		{
			$menu_items = Tools::strlen($conf) ? explode(',', $conf) : array();
			if (!in_array('LNK'.$id_linksmenutop, $menu_items))
				$menu_items[] = 'LNK'.$id_linksmenutop;

			Configuration::updateValue('MOD_BLOCKTOPMENU_ITEMS', (string)implode(',', $menu_items), false, (int)$shop_group_id, (int)$shop_id);
		}

		return true;
	}

	protected function addTopMenuLink()
	{
		$id_linksmenutop = 0;
		$labels = array();
		$page_link = array();
		$languages = Language::getLanguages();

		foreach ($languages as $language)
		{
			$labels[(int)$language['id_lang']] = $language['iso_code'] == 'fr' ? 'Ventes Flash' : 'Flash Sales';
			$page_link[(int)$language['id_lang']] = $this->context->link->getModuleLink($this->name, 'page', array(), null, (int)$language['id_lang']);

			$links = MenuTopLinks::gets((int)$language['id_lang'], null, (int)Shop::getContextShopID());

			foreach ($links as $link)
			{
				if ($link['link'] == $page_link[(int)$language['id_lang']])
				{
					$id_linksmenutop = (int)$link['id_linksmenutop'];
					break 2;
				}
			}
		}
		if ($id_linksmenutop == 0)
		{
			MenuTopLinks::add($page_link, $labels, 0, (int)Shop::getContextShopID());
			$id_linksmenutop = $this->addTopMenuLink();
		}

		return $id_linksmenutop;
	}

	public function getConfigFieldsValues()
	{
		$fields = array();
		$languages = Language::getLanguages();
		foreach ($languages as $language)
		{
			$fields['FLASHSALE_PAGE_TITLE'][$language['id_lang']] = Tools::getValue('flashsale_page_title_'.$language['id_lang'], Configuration::get('FLASHSALE_PAGE_TITLE', (int)$language['id_lang']));
			$fields['FLASHSALE_COUNTDOWN_STRING'][$language['id_lang']] = Tools::getValue('flashsale_countdown_string_'.$language['id_lang'], Configuration::get('FLASHSALE_COUNTDOWN_STRING', (int)$language['id_lang']));
		}
		$fields['FLASHSALE_PRODUCTS_NB'] = (int)Tools::getValue('flashsale_products_nb', Configuration::get('FLASHSALE_PRODUCTS_NB'));
		$fields['FLASHSALE_DEL_SPECIFICPRICE'] = (bool)Tools::getValue('flashsale_del_specificprice', Configuration::get('FLASHSALE_DEL_SPECIFICPRICE'));

		return $fields;
	}

	public function hookActionAdminControllerSetMedia()
	{
		$this->context->controller->addCSS($this->_path.'views/css/admin-design.css', 'all');
	}

	public function hookHeader($params)
	{
		// TODO add to other hooks $this->_clearCache('*');
		$this->context->controller->addJS($this->_path.'views/js/countdown.js');
		$this->context->controller->addCSS($this->_path.'views/css/design.css', 'all');
		$this->context->controller->addCSS($this->_path.'views/css/global.css', 'all');
	}

	public function hookActionObjectDeleteAfter($params)
	{
		$object = $params['object'];

		if (get_class($object) === 'Product')
			Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'flash_sale_products` WHERE `id_product` = '.(int)$object->id);
		elseif (get_class($object) === 'Category')
			Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'flash_sale_products` WHERE `id_category` = '.(int)$object->id);
		elseif (get_class($object) === 'Manufacturer')
			Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'flash_sale_products` WHERE `id_manufacturer` = '.(int)$object->id);
		elseif (get_class($object) === 'SpecificPrice')
			Db::getInstance()->execute('DELETE FROM `'._DB_PREFIX_.'flash_sale_specific_prices` WHERE `id_specific_price` = '.(int)$object->id);

		$this->_clearCache('*');
		return true;
	}

	public function hookdisplayHome($params)
	{
		if (!$this->isCached('home.tpl', $this->getCacheId('home')))
		{
			if (!isset(flashsales::$cache_flash_sales['home']))
			{
				$flash_sales = FlashSale::getFlashSales((int)$this->context->language->id, 'home');
				if (is_array($flash_sales) && count($flash_sales))
				{
					foreach ($flash_sales as $key => $flash_sale)
					{
						if (!$this->getProducts('home', (int)$flash_sale['id_flash_sale']))
						{
							unset($flash_sales[$key]);
							continue;
						}
						$banner = _PS_MODULE_DIR_.$this->name.'/views/img/banner/'.(int)$flash_sale['id_flash_sale'].'.jpg';
						$flash_sales[$key]['banner'] = file_exists($banner) ? _MODULE_DIR_.$this->name.'/views/img/banner/'.(int)$flash_sale['id_flash_sale'].'.jpg' : false;
					}

					if (!count($flash_sales))
						$flash_sales = false;
				}
				flashsales::$cache_flash_sales['home'] = $flash_sales;
			}

			if (flashsales::$cache_flash_sales['home'] === false)
				return false;

			$this->smarty->assign(array(
				'flash_sales' => flashsales::$cache_flash_sales['home'],
				'txt' => Configuration::get('FLASHSALE_COUNTDOWN_STRING', (int)$this->context->language->id),
				'tpl_countdown' => _PS_MODULE_DIR_.$this->name.'/views/templates/hook/countdown.tpl',
			));


		}

		return $this->display(__FILE__, 'home.tpl', $this->getCacheId('home'));
	}

	public function hookDisplayHomeTab($params)
	{
		if (version_compare(_PS_VERSION_, '1.6', '<'))
			return false;

		if (!$this->isCached('home-tab.tpl', $this->getCacheId('home-tab')))
		{
			if (!isset(flashsales::$cache_flash_sales['home_tab']))
				flashsales::$cache_flash_sales['home_tab'] = $this->getProducts('home_tab');

			if (flashsales::$cache_flash_sales['home_tab'] === false)
				return false;
		}

		return $this->display(__FILE__, 'home-tab.tpl', $this->getCacheId('home-tab'));
	}

	public function hookdisplayHomeTabContent($params)
	{
		if (version_compare(_PS_VERSION_, '1.6', '<'))
			return false;

		if (!$this->isCached('home-tab-content.tpl', $this->getCacheId('home-tab-content')))
		{
			if (!isset(flashsales::$cache_flash_sales['home_tab']))
				flashsales::$cache_flash_sales['home_tab'] = $this->getProducts('home_tab');

			if (flashsales::$cache_flash_sales['home_tab'] === false)
				return false;

			$this->smarty->assign(array(
				'flash_sales' => flashsales::$cache_flash_sales['home_tab'],
				'homeSize' => Image::getSize(ImageType::getFormatedName('home'))
			));
		}

		return $this->display(__FILE__, 'home-tab-content.tpl', $this->getCacheId('home-tab-content'));
	}

	public function hookRightColumn($params)
	{
		if (!$this->isCached('column.tpl', $this->getCacheId('column')))
		{
			if (!isset(flashsales::$cache_flash_sales['column']))
				flashsales::$cache_flash_sales['column'] = $this->getProducts('column');

			if (flashsales::$cache_flash_sales['column'] === false)
				return false;

			$this->smarty->assign(array(
				'flash_sales' => flashsales::$cache_flash_sales['column'],
				'mediumSize' => Image::getSize(ImageType::getFormatedName('medium')),
				'smallSize' => Image::getSize(ImageType::getFormatedName('small')),
				'homeSize' => Image::getSize(ImageType::getFormatedName('home'))
			));
		}
		return $this->display(__FILE__, 'column.tpl', $this->getCacheId('column'));
	}

	public function hookLeftColumn($params)
	{
		return $this->hookRightColumn($params);
	}

	public function hookDisplayProductListReviews($params)
	{
		$id_product = (int)$params['product']['id_product'];
		if (!($specific_price = FlashSale::getProductSpecificPrice($id_product)))
			return;

		$this->smarty->assign(array(
			'to' => (int)strtotime($specific_price['to']),
			'txt' => Configuration::get('FLASHSALE_COUNTDOWN_STRING', (int)$this->context->language->id),
			'id_product' => $id_product
		));

		return $this->display(__FILE__, 'countdown.tpl');
	}

	public function hookDisplayRightColumnProduct($params)
	{
		if (!isset($params['product']['id_product']))
			$params['product']['id_product'] = (int)Tools::getValue('id_product');

		return $this->hookDisplayProductListReviews($params);
	}

	public function getProducts($filter = null, $id_flash_sale = null)
	{
		if (Configuration::get('PS_CATALOG_MODE'))
			return false;

		$nb = (int)Configuration::get('FLASHSALE_PRODUCTS_NB');
		return FlashSale::getAllProducts((int)$this->context->language->id, $id_flash_sale, $filter, false, 0, ($nb ? $nb : 8));
	}

	public function _clearCache($template, $cache_id = null, $compile_id = null)
	{
		Tools::clearCache(Context::getContext()->smarty, $this->getTemplatePath('homefeatured.tpl'));
		parent::_clearCache('column.tpl', 'column');
		parent::_clearCache('home-tab-content.tpl', 'home-tab-content');
		parent::_clearCache('home-tab.tpl', 'home-tab');
		parent::_clearCache('home.tpl', 'home');
	}
}
?>