<?php
/*
* 2007-2013 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Open Software License (OSL 3.0)
* that is bundled with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/osl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@prestashop.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
* versions in the future. If you wish to customize PrestaShop for your
* needs please refer to http://www.prestashop.com for more information.
*
*  @author PrestaShop SA <contact@prestashop.com>
*  @copyright  2007-2013 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

class AdminGroupsControllerCore extends AdminController
{
	public function __construct()
	{
		$this->table = 'group';
		$this->className = 'Group';
		$this->list_id = 'group';
		$this->lang = true;
		$this->addRowAction('edit');
		$this->addRowAction('view');
		$this->addRowAction('delete');
	 	$this->bulk_actions = array('delete' => array('text' => $this->l('Delete selected'), 'confirm' => $this->l('Delete selected items?')));

		$groups_to_keep = array(
			Configuration::get('PS_UNIDENTIFIED_GROUP'),
			Configuration::get('PS_GUEST_GROUP'),
			Configuration::get('PS_CUSTOMER_GROUP')
		);

		$this->fields_list = array(
			'id_group' => array(
				'title' => $this->l('ID'),
				'align' => 'center',
				'width' => 25
			),
			'name' => array(
				'title' => $this->l('Name'),
				'filter_key' => 'b!name'
			),
			'reduction' => array(
				'title' => $this->l('Discount (%)'),
				'width' => 100,
				'align' => 'right',
				'type' => 'percent'
			),
			'nb' => array(
				'title' => $this->l('Members'),
				'width' => 25,
				'align' => 'center',
				'havingFilter' => true,
			),
			'show_prices' => array(
				'title' => $this->l('Show prices'),
				'width' => 120,
				'align' => 'center',
				'type' => 'bool',
				'callback' => 'printShowPricesIcon',
				'orderby' => false
			),
			'date_add' => array(
				'title' => $this->l('Creation date'),
				'width' => 150,
				'type' => 'date',
				'align' => 'right'
			)
		);

		$this->addRowActionSkipList('delete', $groups_to_keep);

		parent::__construct();

		$this->_select .= '(SELECT COUNT(jcg.`id_customer`)
		FROM `'._DB_PREFIX_.'customer_group` jcg
		LEFT JOIN `'._DB_PREFIX_.'customer` jc ON (jc.`id_customer` = jcg.`id_customer`)
		WHERE jc.`deleted` != 1
		'.Shop::addSqlRestriction(Shop::SHARE_CUSTOMER).'
		AND jcg.`id_group` = a.`id_group`) AS nb';

		$groups = Group::getGroups(Context::getContext()->language->id, true);
		if (Shop::isFeatureActive())
			$this->fields_options = array(
				'general' => array(
					'title' =>	$this->l('Default groups options'),
					'fields' =>	array(
						'PS_UNIDENTIFIED_GROUP' => array(
							'title' => $this->l('Visitors group:'), 
							'desc' => $this->l('The group defined for your un-identified visitors'), 
							'cast' => 'intval', 
							'type' => 'select',
							'list' => $groups,
							'identifier' => 'id_group'
						),
						'PS_GUEST_GROUP' => array(
							'title' => $this->l('Guests group:'), 
							'desc' => $this->l('The group defined for your identified guest customers (used in guest checkout)'), 
							'cast' => 'intval', 
							'type' => 'select',
							'list' => $groups,
							'identifier' => 'id_group'
						),
						'PS_CUSTOMER_GROUP' => array(
							'title' => $this->l('Customers group:'), 
							'desc' => $this->l('The group defined for your identified customers'), 
							'cast' => 'intval', 
							'type' => 'select',
							'list' => $groups,
							'identifier' => 'id_group'
						),
					),
					'submit' => array()
				),
			);
	}

	public function setMedia()
	{
		parent::setMedia();
		$this->addJqueryPlugin('fancybox');
		$this->addJqueryUi('ui.sortable');
	}

	public function initToolbar()
	{
		if ($this->display == 'add' || $this->display == 'edit')
			$this->toolbar_btn['save-and-stay'] = array(
				'short' => 'SaveAndStay',
				'href' => '#',
				'desc' => $this->l('Save, then add a category reduction'),
				'force_desc' => true,
			);
		parent::initToolbar();
	}

	public function initProcess()
	{
		$this->id_object = Tools::getValue('id_'.$this->table);

		if (Tools::isSubmit('changeShowPricesVal') && $this->id_object)
			$this->action = 'change_show_prices_val';

		if (Tools::getIsset('viewgroup'))
		{
			$this->list_id = 'customer_group';

			if (isset($_POST['submitReset'.$this->list_id]))
				$this->processResetFilters();
		}
		else
			$this->list_id = 'group';

		parent::initProcess();
	}

	public function renderView()
	{
		$this->context = Context::getContext();
		if (!($group = $this->loadObject(true)))
			return;

		$this->tpl_view_vars = array(
			'group' => $group,
			'language' => $this->context->language,
			'customerList' => $this->renderCustomersList($group),
			'categorieReductions' => $this->formatCategoryDiscountList($group->id)
		);

		return parent::renderView();
	}

	protected function renderCustomersList($group)
	{
		$genders = array(0 => '?');
		$genders_icon = array('default' => 'unknown.gif');
		foreach (Gender::getGenders() as $gender)
		{
			$genders_icon[$gender->id] = '../genders/'.(int)$gender->id.'.jpg';
			$genders[$gender->id] = $gender->name;
		}
		$this->table = 'customer_group';
		$this->lang = false;
		$this->list_id = 'customer_group';
		$this->actions = array();
		$this->bulk_actions = false;
		$this->no_link = true;
		$this->fields_list = (array(
				'id_customer' => array('title' => $this->l('ID'), 'width' => 15, 'align' => 'center', 'filter_key' => 'c!id_customer'),
				'id_gender' => array('title' => $this->l('Titles'), 'align' => 'center', 'width' => 50,'icon' => $genders_icon, 'list' => $genders),
				'firstname' => array('title' => $this->l('First name'), 'align' => 'center'),
				'lastname' => array('title' => $this->l('Last name'), 'align' => 'center'),
				'email' => array('title' => $this->l('Email address'), 'width' => 150, 'align' => 'center', 'filter_key' => 'c!email', 'orderby' => true),
				'birthday' => array('title' => $this->l('Birth date'), 'width' => 150, 'align' => 'right', 'type' => 'date'),
				'date_add' => array('title' => $this->l('Register date'), 'width' => 150, 'align' => 'right', 'type' => 'date'),
				'active' => array('title' => $this->l('Enabled'),'align' => 'center','width' => 20, 'active' => 'status','type' => 'bool')
			));

		$this->_select = 'c.*';
		$this->_join = 'LEFT JOIN `'._DB_PREFIX_.'customer` c ON (a.`id_customer` = c.`id_customer`)';
		$this->_where = 'AND a.`id_group` = '.(int)$group->id.' AND c.`deleted` != 1';
		self::$currentIndex = self::$currentIndex.'&viewgroup';
		$this->processFilter();
		return parent::renderList();
	}

	public function renderForm()
	{
		if (!($group = $this->loadObject(true)))
			return;

		$this->fields_form = array(
			'legend' => array(
				'title' => $this->l('Customer group'),
				'image' => '../img/admin/tab-groups.gif'
			),
			'submit' => array(
				'title' => $this->l('Save   '),
				'class' => 'button'
			),
			'input' => array(
				array(
					'type' => 'text',
					'label' => $this->l('Name:'),
					'name' => 'name',
					'size' => 33,
					'required' => true,
					'lang' => true,
					'hint' => $this->l('Forbidden characters:').' 0-9!<>,;?=+()@#"�{}_$%:'
				),
				array(
					'type' => 'text',
					'label' => $this->l('Discount (%):'),
					'name' => 'reduction',
					'size' => 33,
					'desc' => $this->l('Automatically apply this value as a discount on all products for members of this customer group.')
				),
				array(
					'type' => 'select',
					'label' => $this->l('Price display method:'),
					'name' => 'price_display_method',
					'desc' => $this->l('How prices are displayed in the order summary for this customer group.'),
					'options' => array(
						'query' => array(
							array(
								'id_method' => PS_TAX_EXC,
								'name' => $this->l('Tax excluded')
							),
							array(
								'id_method' => PS_TAX_INC,
								'name' => $this->l('Tax included')
							)
						),
						'id' => 'id_method',
						'name' => 'name'
					)
				),
				array(
					'type' => 'radio',
					'label' => $this->l('Show prices:'),
					'name' => 'show_prices',
					'required' => false,
					'class' => 't',
					'is_bool' => true,
					'values' => array(
						array(
							'id' => 'show_prices_on',
							'value' => 1,
							'label' => $this->l('Enabled')
						),
						array(
							'id' => 'show_prices_off',
							'value' => 0,
							'label' => $this->l('Disabled')
						)
					),
					'desc' => $this->l('Customers in this group can view prices')
				),
				array(
					'type' => 'group_discount_category',
					'label' => $this->l('Category discount:'),
					'name' => 'reduction',
					'size' => 33,
					'values' => ($group->id ? $this->formatCategoryDiscountList((int)$group->id) : array())
				),
				array(
					'type' => 'modules',
					'label' => array('auth_modules' => $this->l('Authorized modules:'), 'unauth_modules' => $this->l('Unauthorized modules:')),
					'name' => 'auth_modules',
					'values' => $this->formatModuleListAuth($group->id)
				)
			)
		);

		if (Shop::isFeatureActive())
		{
			$this->fields_form['input'][] = array(
				'type' => 'shop',
				'label' => $this->l('Shop association:'),
				'name' => 'checkBoxShopAsso',
			);
		}

		$this->fields_value['reduction'] = isset($group->reduction) ? $group->reduction : 0;

		$helper = new Helper();
		$this->tpl_form_vars['categoryTreeView'] = $helper->renderCategoryTree(null, array(), 'id_category', true, false, array(), true, true);

		return parent::renderForm();
	}

	protected function formatCategoryDiscountList($id_group)
	{
		$group_reductions = GroupReduction::getGroupReductions((int)$id_group, $this->context->language->id);
		$category_reductions = array();
		$category_reduction = Tools::getValue('category_reduction');

		foreach ($group_reductions as $category)
		{
			if (is_array($category_reduction) && array_key_exists($category['id_category'], $category_reduction))
				$category['reduction'] = $category_reduction[$category['id_category']];

			$category_reductions[(int)$category['id_category']] = array(
				'path' => getPath(self::$currentIndex.'?tab=AdminCategories', (int)$category['id_category']),
				'reduction' => (float)$category['reduction'] * 100,
				'id_category' => (int)$category['id_category']
			);
		}

		if (is_array($category_reduction))
			foreach ($category_reduction as $key => $val)
				if (!array_key_exists($key, $category_reductions))
					$category_reductions[(int)$key] = array(
						'path' => getPath(self::$currentIndex.'?tab=AdminCategories', $key),
						'reduction' => (float)$val * 100,
						'id_category' => (int)$key
					);

		return $category_reductions;
	}

	public function formatModuleListAuth($id_group)
	{
		$modules = Module::getModulesInstalled();
		$authorized_modules = '';

		$auth_modules = array();
		$unauth_modules = array();

		if ($id_group)
			$authorized_modules = Module::getAuthorizedModules($id_group);

		if (is_array($authorized_modules))
		{
			foreach ($modules as $module)
			{
				$authorized = false;
				foreach ($authorized_modules as $auth_module)
					if ($module['id_module'] == $auth_module['id_module'])
						$authorized = true;

				if ($authorized)
					$auth_modules[] = $module;
				else
					$unauth_modules[] = $module;
			}
		}
		else
			$auth_modules = $modules;
		$auth_modules_tmp = array();
		foreach ($auth_modules as $key => $val)
			if ($module = Module::getInstanceById($val['id_module']))
				$auth_modules_tmp[] = $module;

		$auth_modules = $auth_modules_tmp;

		$unauth_modules_tmp = array();
		foreach ($unauth_modules as $key => $val)
			if (($tmp_obj = Module::getInstanceById($val['id_module'])))
				$unauth_modules_tmp[] = $tmp_obj;

		$unauth_modules = $unauth_modules_tmp;

		return array('unauth_modules' => $unauth_modules, 'auth_modules' => $auth_modules);
	}

	public function processSave()
	{
		if (!$this->validateDiscount(Tools::getValue('reduction')))
			$this->errors[] = Tools::displayError('The discount value is incorrect (must be a percentage).');
		else
		{
			$this->updateCategoryReduction();
			$object = parent::processSave();
			$this->updateRestrictions();
			return $object;
		}
	}

	protected function validateDiscount($reduction)
	{
		if (!Validate::isPrice($reduction) || $reduction > 100 || $reduction < 0)
			return false;
		else
			return true;
	}

	public function ajaxProcessAddCategoryReduction()
	{
		$category_reduction = Tools::getValue('category_reduction');
		$id_category = Tools::getValue('id_category'); //no cast validation is done with Validate::isUnsignedId($id_category)

		$result = array();
		if (!Validate::isUnsignedId($id_category))
		{
			$result['errors'][] = Tools::displayError('Wrong category ID');
			$result['hasError'] = true;
		}
		else if (!$this->validateDiscount($category_reduction))
		{
			$result['errors'][] = Tools::displayError('The discount value is incorrect (must be a percentage).');
			$result['hasError'] = true;
		}
		else
		{
			$result['id_category'] = (int)$id_category;
			$result['catPath'] = getPath(self::$currentIndex.'?tab=AdminCategories', (int)$id_category);
			$result['discount'] = $category_reduction;
			$result['hasError'] = false;
		}
		die(Tools::jsonEncode($result));
	}

	/**
	 * Update (or create) restrictions for modules by group
	 */
	protected function updateRestrictions()
	{
		$id_group = Tools::getValue('id_group');
		$auth_modules = Tools::getValue('modulesBoxAuth');
		$return = true;
		if ($id_group)
			Group::truncateModulesRestrictions((int)$id_group);
		$shops = Shop::getShops(true, null, true);
		if (is_array($auth_modules))
			$return &= Group::addModulesRestrictions($id_group, $auth_modules, $shops);
		return $return;
	}

	protected function updateCategoryReduction()
	{
		$category_reduction = Tools::getValue('category_reduction');
		Db::getInstance()->execute('
			DELETE FROM `'._DB_PREFIX_.'group_reduction`
			WHERE `id_group` = '.(int)Tools::getValue('id_group')
		);
		Db::getInstance()->execute('
			DELETE FROM `'._DB_PREFIX_.'product_group_reduction_cache`
			WHERE `id_group` = '.(int)Tools::getValue('id_group')
		);
		if (is_array($category_reduction))
		{
			foreach ($category_reduction as $cat => $reduction)
			{
				if (!Validate::isUnsignedId($cat) || !$this->validateDiscount($reduction))
					$this->errors[] = Tools::displayError('The discount value is incorrect.');
				else
				{
					$category = new Category((int)$cat);
					$category->addGroupsIfNoExist((int)Tools::getValue('id_group'));
					$group_reduction = new GroupReduction();
					$group_reduction->id_group = (int)Tools::getValue('id_group');
					$group_reduction->reduction = (float)($reduction / 100);
					$group_reduction->id_category = (int)$cat;
					if (!$group_reduction->save())
						$this->errors[] = Tools::displayError('You cannot save group reductions.');
				}
			}
		}
	}

	/**
	 * Toggle show prices flag
	 */
	public function processChangeShowPricesVal()
	{
		$group = new Group($this->id_object);
		if (!Validate::isLoadedObject($group))
			$this->errors[] = Tools::displayError('An error occurred while updating this group.');
		$update = Db::getInstance()->execute('UPDATE `'._DB_PREFIX_.'group` SET show_prices = '.($group->show_prices ? 0 : 1).' WHERE `id_group` = '.(int)$group->id);
		if (!$update)
			$this->errors[] = Tools::displayError('An error occurred while updating this group.');
		Tools::redirectAdmin(self::$currentIndex.'&token='.$this->token);
	}

	/**
	 * Print enable / disable icon for show prices option
	 * @static
	 * @param $id_group integer Group ID
	 * @param $tr array Row data
	 * @return string HTML link and icon
	 */
	public static function printShowPricesIcon($id_group, $tr)
	{
		$group = new Group($tr['id_group']);
		if (!Validate::isLoadedObject($group))
			return;
		return '<a href="index.php?tab=AdminGroups&id_group='.(int)$group->id.'&changeShowPricesVal&token='.Tools::getAdminTokenLite('AdminGroups').'">
				'.($group->show_prices ? '<img src="../img/admin/enabled.gif" />' : '<img src="../img/admin/disabled.gif" />').
			'</a>';
	}

	public function renderList()
	{
		$unidentified = new Group(Configuration::get('PS_UNIDENTIFIED_GROUP'));
		$guest = new Group(Configuration::get('PS_GUEST_GROUP'));
		$default = new Group(Configuration::get('PS_CUSTOMER_GROUP'));

		$unidentified_group_information = sprintf(
			$this->l('%s - All persons without a customer account or unauthenticated.'),
			'<b>'.$unidentified->name[$this->context->language->id].'</b>'
		);
		$guest_group_information = sprintf(
			$this->l('%s - Customer who placed an order through Guest Checkout.'),
			'<b>'.$guest->name[$this->context->language->id].'</b>'
		);
		$default_group_information = sprintf(
			$this->l('%s - All persons who created an account on this site.'),
			'<b>'.$default->name[$this->context->language->id].'</b>'
		);

		$this->displayInformation($this->l('You now have three default customer groups.'));
		$this->displayInformation($unidentified_group_information);
		$this->displayInformation($guest_group_information);
		$this->displayInformation($default_group_information);
		return parent::renderList();
	}
}
