<?php

/**
  * GiftVoucher class, giftvoucher.php
  * Gift voucher module
  * @category modules
  *
  * @author dids <prestashop@dids.fr>
  * @copyright dids - des idées et des sites - 2009-2011
  * @version 1.1.5
  *
  */

class GiftVoucher extends Module
{
	public function __construct()
	{
		$this->name = 'giftvoucher';
		if (!$this->isPS1_4())
			$this->tab = 'Tools';
		else
			$this->tab = 'front_office_features';
		$this->version = '1.1.5';

		parent::__construct();

		$this->displayName = $this->l('Gift Voucher');
		$this->description = $this->l('Gift Voucher module.');
		$this->author = $this->l('dids - www.dids.fr');
		$this->module_key = 'a360406c5d3118a3e1cfd243bb5ece7a';
		$this->confirmUninstall = $this->l('Are you sure you want to delete all your gift voucher data ?');

		$this->_configuration = Configuration::getMultiple(array(
			'GIFT_VOUCHER_PRODUCTS',
			'GIFT_VOUCHER_DISCOUNT_DURATION',
			'GIFT_VOUCHER_DISCOUNT_DESC',
			'GIFT_VOUCHER_MODE'
		));

		$path = dirname(__FILE__);
		if (strpos(__FILE__, 'Module.php') !== false)
			$path .= '/../modules/'.$this->name;

		include_once($path.'/GiftVoucherModule.php');
	}

	public function install()
	{
		if (!parent::install()
				OR !$this->installDB()
				OR !Configuration::updateValue('GIFT_VOUCHER_PRODUCTS', '')
				OR !Configuration::updateValue('GIFT_VOUCHER_DISCOUNT_DURATION', 12)
				OR !Configuration::updateValue('GIFT_VOUCHER_DISCOUNT_DESC', $this->l("Gift Voucher"))
				OR !Configuration::updateValue('GIFT_VOUCHER_MODE', 'CHOICE')
				OR !Configuration::updateValue('GIFT_VOUCHER_FREE_SHIPPING', false)
				OR !Configuration::updateValue('GIFT_VOUCHER_HIDE_INFOS', '')
				OR !$this->registerHook('top')
				OR !$this->registerHook('header')
				OR !$this->registerHook('updateOrderStatus')
			)
			return false;

		return true;
	}

	function installDB()
	{
		return Db::getInstance()->Execute('
		CREATE TABLE `'._DB_PREFIX_.'gift_voucher` (
			`id_gift_voucher` INT UNSIGNED NOT NULL AUTO_INCREMENT,
			`id_cart` INT UNSIGNED NULL,
			`id_product` INT UNSIGNED NOT NULL,
			`id_order_detail` int(10) unsigned NULL,
			`id_discount` int(10) unsigned NULL,
			`value` decimal(10,2) NOT NULL,
			`customize` TINYINT(1) NOT NULL DEFAULT \'0\',
			`email` VARCHAR(128) NULL,
			`name` VARCHAR(64) NULL,
			`comment` TEXT,
			`date_add` datetime NOT NULL,
			PRIMARY KEY (`id_gift_voucher`)
		) DEFAULT CHARSET=utf8 ;');
	}

	public function uninstall()
	{
		if (	!$this->uninstallDB()
			OR !Configuration::deleteByName('GIFT_VOUCHER_PRODUCTS')
			OR !Configuration::deleteByName('GIFT_VOUCHER_DISCOUNT_DURATION')
			OR !Configuration::deleteByName('GIFT_VOUCHER_DISCOUNT_DESC')
			OR !Configuration::deleteByName('GIFT_VOUCHER_MODE')
			OR !Configuration::deleteByName('GIFT_VOUCHER_FREE_SHIPPING')
			OR !Configuration::deleteByName('GIFT_VOUCHER_HIDE_INFOS')
			OR !parent::uninstall()
			)
			return false;

		return true;
	}

	private function uninstallDB()
	{
		return Db::getInstance()->Execute('DROP TABLE `'._DB_PREFIX_.'gift_voucher`;');
	}

	private function _postProcess()
	{
		Configuration::updateValue('GIFT_VOUCHER_PRODUCTS', Tools::getValue('products') ? implode(',',Tools::getValue('products')) : '');
		Configuration::updateValue('GIFT_VOUCHER_DISCOUNT_DURATION', intval(Tools::getValue('discount_duration')));
		Configuration::updateValue('GIFT_VOUCHER_DISCOUNT_DESC', Tools::getValue('discount_description'));
		Configuration::updateValue('GIFT_VOUCHER_MODE',Tools::getValue('mode'));
		Configuration::updateValue('GIFT_VOUCHER_FREE_SHIPPING', intval(Tools::getValue('free_shipping')));
		Configuration::updateValue('GIFT_VOUCHER_HIDE_INFOS', intval(Tools::getValue('hide_infos')));
		$this->_html .= $this->displayConfirmation($this->l('Configuration updated.'));
	}

	private function _postValidation()
	{
		$this->_errors = array();
		if (!intval(Tools::getValue('discount_duration')))
			$this->_errors[] = $this->displayError($this->l('Discount duration is required.'));
		if (!trim(Tools::getValue('discount_description')))
			$this->_errors[] = $this->displayError($this->l('Discount description is required.'));
	}

	public function getContent()
	{
		if (Tools::isSubmit('submitGiftVoucher'))
		{
			$this->_postValidation();
			if (!sizeof($this->_errors))
				$this->_postProcess();
			else
			{
				foreach ($this->_errors AS $err)
					$this->_html .= '<div class="errmsg">'.$err.'</div>';
			}
		}

		$this->_html .= '<h2>'.$this->displayName.'</h2>';
		$this->_displayForm();
		return $this->_html;
	}

	private function isPS1_4() {
		$version = preg_split("/\./", (string)_PS_VERSION_);

		return (($version[0] == 1) && ($version[1] == 4));
	}

	private function isUpperPS1_4_1() {
		$version = preg_split("/\./", (string)_PS_VERSION_);

		return (($version[0] == 1) && ($version[1] == 4) && ($version[2] >= 1));
	}

	private function _displayForm()
	{
		global $cookie;
		$products = Product::getProducts(intval($cookie->id_lang), 0, 10000000, 'name', 'asc');
		$selected_products_id = preg_split("/,/", Tools::getValue('products[]', Configuration::get('GIFT_VOUCHER_PRODUCTS')));

		$this->_html .= '
		<script>
			$(document).ready(function() {
				$("#hide_infos").click(function() {
					if ($("#ul_infos").is(":visible"))
						$("#ul_infos").fadeOut();
					else
						$("#ul_infos").fadeIn();
				});
			});
		</script>

		<form action="'.$_SERVER['REQUEST_URI'].'" method="post">
		<fieldset>
			<legend><img src="'._PS_ADMIN_IMG_.'prefs.gif" alt="'.$this->l('Settings').'" />'.$this->l('Settings').'</legend>
			<div class="warning" style="width:95%;">
				<span class="bold">'.$this->l('Attention : ').'</span>&nbsp;(<input type="checkbox" name="hide_infos" id="hide_infos" value="1" '.(Configuration::get('GIFT_VOUCHER_HIDE_INFOS') ? 'checked="checked"' : '').'/>&nbsp;<i>'.$this->l('hide').'</i>)
				<ul id="ul_infos" class="bullet" style="'.(Configuration::get('GIFT_VOUCHER_HIDE_INFOS') ? 'display:none;' : '').'">
					<li>'.$this->l('You must use Ajax cart.').'</li>
					<li>'.$this->l('Your theme must display "Top" hook ("Top of pages") (you must have {$HOOK_TOP} markup in your template).').'</li>';
		if ($this->isUpperPS1_4_1()) {
			$this->_html .= '<li>'.$this->l('You must edit "ajax-cart.fs" file (in "/modules/blockcart/" directory) add this line :').'<br/>
						<span class="row bold">giftvoucher.addToCart(jsonData);</span><br/>
						'.$this->l('in the "updateCart" function, before the line :').'<br/>
						<span class="row bold">ajaxCart.updateCartEverywhere(jsonData);</span><br/>
					</li>';
		} else {
			$this->_html .= '<li>'.$this->l('You must edit "ajax-cart.fs" file (in "/modules/blockcart/" directory) add this line :').'<br/>
						<span class="row bold">giftvoucher.addToCart(jsonData);</span><br/>
						'.$this->l('in the "updateCart" function, before the line :').'<br/>
						<span class="row bold">ajaxCart.expand();</span><br/>
					</li>';
		}
		$this->_html .= '
					<li>'.$this->l('You must edit "Cart.php" file (in "/classes/" directory) and add these lines:').'<br/>
						<span class="row bold">include_once(dirname(__FILE__).\'/../modules/giftvoucher/giftvoucher.php\');<br/>
						$dgv = new GiftVoucher();<br/>
						if ($dgv->checkFreeShippingPriceCart($this)) return 0;</span><br/>
						'.$this->l('in the "getOrderShippingCost" function, after the line:').'<br/>
						<span class="row bold">$configuration = Configuration::getMultiple(array(\'PS_SHIPPING_FREE_PRICE\', \'PS_SHIPPING_HANDLING\', \'PS_SHIPPING_METHOD\', \'PS_SHIPPING_FREE_WEIGHT\'));</span><br/>
					</li>';
		if (!$this->isPS1_4()) {
			$this->_html .= '<li>'.$this->l('You must edit "order.php" file (in "/" directory) and add these lines:').'<br/>
						<span class="row bold">include_once(dirname(__FILE__).\'/modules/giftvoucher/giftvoucher.php\');<br/>
						$dgv = new GiftVoucher();<br/>
						$dgv->checkFreeShippingOrder();</span><br/>
						'.$this->l('in the "displaySummary" function, before the line:').'<br/>
						<span class="row bold">$smarty->assign($summary);</span><br/>
					</li>';
		}
		$this->_html .= '
				</ul>
			</div>
			<hr style="margin-top:25px;margin-bottom:25px;" />
			<p>
				<label class="t" for="mode">'.$this->l('Mode:').'</label>
				<select id="mode" name="mode">
					<option value="CHOICE" '.((Tools::getValue('mode', Configuration::get('GIFT_VOUCHER_MODE')) == 'CHOICE') ? 'selected' : '').'>'.$this->l('Customer choose if he send himself the voucher or not').'</option>
					<option value="CUSTOMER" '.((Tools::getValue('mode', Configuration::get('GIFT_VOUCHER_MODE')) == 'CUSTOMER') ? 'selected' : '').'>'.$this->l('Customer send himself the voucher').'</option>
					<option value="SHOP" '.((Tools::getValue('mode', Configuration::get('GIFT_VOUCHER_MODE')) == 'SHOP') ? 'selected' : '').'>'.$this->l('Shop send the voucher').'</option>
				</select>
			</p>
			<p>
				<label class="t" for="products">'.$this->l('Products corresponding to gift vouchers:').'</label>
				<select id="products" name="products[]" size="4" multiple>';
		foreach ($products as $product) {
			$this->_html .= '<option value="'.$product["id_product"].'" ';
			if (in_array($product["id_product"], $selected_products_id)) $this->_html .= 'selected';
			$this->_html .= '>'.htmlspecialchars($product["name"], ENT_COMPAT, 'UTF-8').'</option>'."\n";
		}
		$this->_html .= '</select>
			</p>
			<p>
				<label class="t" for="discount_value">'.$this->l('Voucher duration (in months):').'</label>
				<input type="text" name="discount_duration" id="discount_duration" size="4" value="'.Tools::getValue('discount_duration', Configuration::get('GIFT_VOUCHER_DISCOUNT_DURATION')).'" />
			</p>
			<p>
				<label class="t" for="discount_value">'.$this->l('Voucher description:').'</label>
				<input type="text" name="discount_description" id="discount_description" value="'.Tools::getValue('discount_description', Configuration::get('GIFT_VOUCHER_DISCOUNT_DESC')).'" />
			</p>
			<p>
				<label class="t" for="free_shipping">'.$this->l('Free shipping when a customer buy only gift cards:').'</label>
				<input type="checkbox" name="free_shipping" id="free_shipping" value="1" '.(Tools::getValue('free_shipping', Configuration::get('GIFT_VOUCHER_FREE_SHIPPING')) ? 'checked="checked"' : '').'/>
			</p>
			<div class="clear center"><input class="button" style="margin-top: 10px" name="submitGiftVoucher" id="submitBox" value="'.$this->l('Update settings').'" type="submit" /></div>
		</fieldset>
		</form><br/>';
	}

	function hookAjaxCall($params)
	{
		global $smarty, $errors;

		$smarty->assign(array(
			'giftvouchers' => $params['giftvouchers'],
			'errors' => $errors
		));

		return $this->display(__FILE__, 'giftvoucher-json.tpl');
	}

	function hookAjaxCallCustomize($params)
	{
		global $smarty, $errors;

		$smarty->assign(array(
			'giftvouchers' => $params['giftvouchers'],
			'errors' => $errors
		));

		return $this->display(__FILE__, 'giftvoucher_customization.tpl');
	}

	function hookLeftColumn($params) {
			return $this->display(__FILE__, 'leftBlock.tpl');
	}

	function hookAjaxCallEmpty($params)
	{
		global $smarty, $errors;

		$smarty->assign(array(
			'errors' => $errors
		));

		return $this->display(__FILE__, 'giftvoucher-json-empty.tpl');
	}

	function hookAjaxSendCustomize($params) {
		global $smarty, $errors;

		$giftvouchers = $params["giftvouchers"];
		foreach ($giftvouchers as $gf) {
			$ok = true;
			$no = Tools::getValue("gv_no_".$gf["id_gift_voucher"]);
			if ($no) {
				$no_customize = Tools::getValue("gv_no_customize_".$gf["id_gift_voucher"]);
				$name = trim(Tools::getValue("gv_name_".$gf["id_gift_voucher"]));
				$email = trim(Tools::getValue("gv_email_".$gf["id_gift_voucher"]));
				$comment = trim(Tools::getValue("gv_comment_".$gf["id_gift_voucher"]));

				if (!$no_customize) {
					if (!$name) {
						$ok = false;
						$errors[] = $this->l('Name is required for gift voucher #').$no;
					} else if (!Validate::isName($name)) {
						$ok = false;
						$errors[] = $this->l('Name is invalid for gift voucher #').$no;
					}
					if (!$email) {
						$ok = false;
						$errors[] = $this->l('Email is required for gift voucher #').$no;
					} else if (!Validate::isEmail($email)) {
						$ok = false;
						$errors[] = $this->l('Email is not valid for gift voucher #').$no;
					}
				}

				if ($ok) {
					$gifvoucher = new GiftVoucherModule($gf["id_gift_voucher"]);
					$gifvoucher->customize = ($no_customize ? 0 : (($name && $email) ? 1 : 2));
					if (!$no_customize) {
						$gifvoucher->name = $name;
						$gifvoucher->email = $email;
					} else {
						$gifvoucher->name = null;
						$gifvoucher->email = null;
					}
					$gifvoucher->comment = $comment;
					$gifvoucher->save();
				}
			}
		}

		$smarty->assign(array(
			'errors' => $errors
		));

		return $this->display(__FILE__, 'giftvoucher-json-empty.tpl');
	}

	public function hookTop($params)
	{
		/*global $page_name;

		if($page_name != 'product') {
			global $smarty;

			if (isset($smarty->tpl_vars) && ($smarty->tpl_vars["page_name"] == "order-opc"))
				$smarty->assign("summary", true);

			return $this->display(__FILE__, 'giftvoucher.tpl');
		}*/
	}

	public function hookFooter($params)
	{
		global $page_name;

		if($page_name != 'product') {
			global $smarty;

			if (isset($smarty->tpl_vars) && ($smarty->tpl_vars["page_name"] == "order-opc"))
				$smarty->assign("summary", true);

			return $this->display(__FILE__, 'giftvoucher.tpl');
		}
	}

	public function hookProductFooter($params) {
		/*global $smarty;

		if (isset($smarty->tpl_vars) && ($smarty->tpl_vars["page_name"] == "order-opc"))
			$smarty->assign("summary", true);

		return $this->display(__FILE__, 'giftvoucher.tpl');*/
	}

	public function hookHeader($params)
	{
		global $cookie, $smarty, $page_name;
		
		if($page_name != 'product') {
			$smarty->assign(array(
				'GIFT_VOUCHER_PRODUCTS' => Configuration::get('GIFT_VOUCHER_PRODUCTS'),
				'GIFT_VOUCHER_MODE' => Configuration::get('GIFT_VOUCHER_MODE')
			));

			return $this->display(__FILE__, 'giftvoucher-header.tpl');
		}
	}

	/**
	* Hook called when order status changed
	* register a discount and send e-mail
	*/
	public function hookUpdateOrderStatus($params)
	{
		global $smarty, $cookie;

		if (!Validate::isLoadedObject($params['newOrderStatus']))
			die (Tools::displayError('Some parameters are missing.'));
		$orderState = $params['newOrderStatus'];
		$order = new Order(intval($params['id_order']));
		if ($order AND !Validate::isLoadedObject($order))
			die (Tools::displayError('Incorrect object Order.'));
		$customer = new Customer($order->id_customer);

		// link gift voucher the order
		GiftVoucherModule::linkGiftVouchersToOrder($order);

		if (intval($orderState->logable))
		{
			$gift_vouchers = GiftVoucherModule::getGiftVouchersFromCart(intval($order->id_cart), intval($cookie->id_lang));
			$datas_giftvoucher_html = $datas_giftvoucher_txt = '';
			$smarty->assign('module_dir', dirname(__FILE__).'/');
			$smarty->assign('module_template_dir', dirname(__FILE__).'/');

			foreach ($gift_vouchers as $gf) {
				$gift_voucher = new GiftVoucherModule($gf["id_gift_voucher"]);
				if ($gift_voucher->registerDiscount($order)) {
					$discount = new Discount($gift_voucher->id_discount);
					$currency = new Currency($order->id_currency);
					$discount_display = $discount->display($discount->value, $discount->id_discount_type, $currency);

					$smarty->assign(array(
						'grantee_name' => $gift_voucher->name,
						'grantee_comment' => $gift_voucher->comment,
						'discount_display' => $discount_display,
						'discount_name' => $discount->name,
						'discount_date_to' => date('d/m/Y H:i:s', strtotime($discount->date_to)),
						));
					$smarty->currentTemplate = 'giftvoucher-mail-html';
					$giftvoucher_html = $smarty->fetch(dirname(__FILE__).'/giftvoucher-mail-html.tpl');

					$smarty->currentTemplate = 'giftvoucher-mail-txt';
					$giftvoucher_txt = $smarty->fetch(dirname(__FILE__).'/giftvoucher-mail-txt.tpl');

					if ($gift_voucher->customize == 1) {	// send to grantee
						$data = array(
							'{customer_firstname}' => $customer->firstname,
							'{customer_lastname}' => $customer->lastname,
							'{grantee_name}' => $gift_voucher->name,
							'{grantee_comment}' => $gift_voucher->comment,
							'{discount_display}' => $discount_display,
							'{discount_name}' => $discount->name,
							'{giftvoucher_html}' => $giftvoucher_html,
							'{giftvoucher_txt}' => $giftvoucher_txt
						);

						Mail::Send(intval($order->id_lang), 'grantee', $this->l('Gift voucher!'), $data, $gift_voucher->email, $gift_voucher->name, strval(Configuration::get('PS_SHOP_EMAIL')), strval(Configuration::get('PS_SHOP_NAME')), NULL, NULL, dirname(__FILE__).'/mails/');
					} else {	// send to customer
						// grouping gift vouchers
						$datas_giftvoucher_html .= $giftvoucher_html;
						$datas_giftvoucher_txt .= $giftvoucher_txt;
					}
				}
			}

			if ($datas_giftvoucher_html) {
				$data = array(
					'{customer_firstname}' => $customer->firstname,
					'{customer_lastname}' => $customer->lastname,
					'{giftvoucher_html}' => $datas_giftvoucher_html,
					'{giftvoucher_txt}' => $datas_giftvoucher_txt
				);

				Mail::Send(intval($order->id_lang), 'customer', $this->l('Gift voucher!'), $data, $customer->email, $customer->firstname.' '.$customer->lastname, strval(Configuration::get('PS_SHOP_EMAIL')), strval(Configuration::get('PS_SHOP_NAME')), NULL, NULL, dirname(__FILE__).'/mails/');
			}
		}

		return false;
	}


	public function checkGiftsVoucher($params) {
		$gift_voucher_mode = Configuration::get('GIFT_VOUCHER_MODE');
		$gift_voucher_products_ids = preg_split("/,/", Configuration::get('GIFT_VOUCHER_PRODUCTS'));
		$cart = ($params ? $params["cart"] : null);
		if (!$cart) {
		    $cookie = new Cookie('ps');
		    $cart = new Cart(intval($cookie->id_cart));
		}
		$products = $cart->getProducts();
		foreach ($products as $product) {
			if (in_array($product["id_product"], $gift_voucher_products_ids)) {
				$gift_vouchers = GiftVoucherModule::getGiftVouchersFromCartAndProduct($cart->id, $product["id_product"]);
				if (sizeof($gift_vouchers) > $product["cart_quantity"]) {
					GiftVoucherModule::deleteGiftVouchersFromCartAndProduct((sizeof($gift_vouchers) - $product["cart_quantity"]), $cart->id, $product["id_product"]);
				} else if (sizeof($gift_vouchers) < $product["cart_quantity"]) {
					for ($i = 0; $i < ($product["cart_quantity"] - sizeof($gift_vouchers)); $i++) {
						$giftvoucher = new GiftVoucherModule();
						$giftvoucher->id_cart = $cart->id;
						$giftvoucher->id_product = $product["id_product"];
						$giftvoucher->id_order_detail = null;
						$giftvoucher->id_discount = null;
						$giftvoucher->value = floatval($product["price_wt"]);
						switch ($gift_voucher_mode) {
							case "SHOP" :
								$giftvoucher->customize = 0;
								break;

							case "CUSTOMER" :
							case "CHOICE" :
								$giftvoucher->customize = 2;
								break;
						}
						$giftvoucher->email = null;
						$giftvoucher->name = null;
						$giftvoucher->comment = null;
						$giftvoucher->save();
					}
				}
			}
		}

		$gift_vouchers = GiftVoucherModule::getGiftVouchersFromCart($cart->id);
		foreach ($gift_vouchers as $gift_voucher) {
			$found = false;
			foreach ($products as $product) {
				if ($product["id_product"] == $gift_voucher["id_product"]) {
					$found = true;
					break;
				}
			}

			if (!$found) {
				$gv = new GiftVoucherModule($gift_voucher["id_gift_voucher"]);
				$gv->delete();
			}
		}
	}

	public function checkFreeShippingOrder() {
		global $smarty, $cart;

		if (!Configuration::get('GIFT_VOUCHER_FREE_SHIPPING')) return;

		$gift_voucher_products_ids = preg_split("/,/", Configuration::get('GIFT_VOUCHER_PRODUCTS'));
		foreach ($cart->getProducts(false) as $product) {
			if (!in_array($product['id_product'], $gift_voucher_products_ids)) return;
		}

		$smarty->clear_assign('free_ship');
	}

	public function checkFreeShippingPriceCart($cart) {
		if (!Configuration::get('GIFT_VOUCHER_FREE_SHIPPING')) return false;

		$gift_voucher_products_ids = preg_split("/,/", Configuration::get('GIFT_VOUCHER_PRODUCTS'));
		foreach ($cart->getProducts(false) as $product) {
			if (!in_array($product['id_product'], $gift_voucher_products_ids)) return false;
		}

		return true;
	}
}

?>