<?php
/*
* 2007-2014 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  2007-2014 PrestaShop SA
*  @license    http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

/**
 * @since 1.5.0
 */
class HelperFormCore extends Helper
{
	public $id;
	public $first_call = true;

	/** @var array of forms fields */
	protected $fields_form = array();

	/** @var array values of form fields */
	public $fields_value = array();
	public $name_controller = '';

	/** @var string if not null, a title will be added on that list */
	public $title = null;

	/** @var string Used to override default 'submitAdd' parameter in form action attribute */
	public $submit_action;

	public $token;
	public $languages = null;
	public $default_form_language = null;
	public $allow_employee_form_lang = null;
	public $show_cancel_button = false;
	public $back_url = '#';

	public function __construct()
	{
		$this->base_folder = 'helpers/form/';
		$this->base_tpl = 'form.tpl';
		parent::__construct();
	}

	public function generateForm($fields_form)
	{
		$this->fields_form = $fields_form;
		return $this->generate();
	}

	public function generate()
	{
		$this->tpl = $this->createTemplate($this->base_tpl);
		if (is_null($this->submit_action))
			$this->submit_action = 'submitAdd'.$this->table;

		$categories = true;
		$color = true;
		$date = true;
		$tinymce = true;
		$textarea_autosize = true;
		$file = true;
		foreach ($this->fields_form as $fieldset_key => &$fieldset)
			if (isset($fieldset['form']['input']))
				foreach ($fieldset['form']['input'] as $key => &$params)
				{
					// If the condition is not met, the field will not be displayed
					if (isset($params['condition']) && !$params['condition'])
						unset($this->fields_form[$fieldset_key]['form']['input'][$key]);
					switch ($params['type'])
					{
						case 'categories':
							if ($categories)
							{
								$tree = new HelperTreeCategories($params['tree']['id'], isset($params['tree']['title']) ? $params['tree']['title'] : null);

								if (isset($params['tree']['selected_categories']))
									$tree->setSelectedCategories($params['tree']['selected_categories']);

								if (isset($params['tree']['disabled_categories']))
									$tree->setDisabledCategories($params['tree']['disabled_categories']);

								if (isset($params['tree']['root_category']))
									$tree->setRootCategory($params['tree']['root_category']);

								if (isset($params['tree']['use_search']))
									$tree->setUseSearch($params['tree']['use_search']);

								if (isset($params['tree']['use_checkbox']))
									$tree->setUseCheckBox($params['tree']['use_checkbox']);

								$this->context->smarty->assign('categories_tree', $tree->render());
								$categories = false;
							}
						break;

						case 'file':
							$uploader = new HelperUploader();
							$uploader->setId(isset($params['id'])?$params['id']:null);
							$uploader->setName($params['name']);
							$uploader->setUrl(isset($params['url'])?$params['url']:null);
							$uploader->setMultiple(isset($params['multiple'])?$params['multiple']:false);
							$uploader->setUseAjax(isset($params['ajax'])?$params['ajax']:false);
							$uploader->setMaxFiles(isset($params['max_files'])?$params['max_files']:null);

							if (isset($params['files']) && $params['files'])
								$uploader->setFiles($params['files']);
							elseif (isset($params['image']) && $params['image']) // Use for retrocompatibility							
								$uploader->setFiles(array(
									0 => array(
									'type'       => HelperUploader::TYPE_IMAGE,
									'image'      => isset($params['image'])?$params['image']:null,
									'size'       => isset($params['size'])?$params['size']:null,
									'delete_url' => isset($params['delete_url'])?$params['delete_url']:null
								)));

							if (isset($params['file']) && $params['file']) // Use for retrocompatibility							
								$uploader->setFiles(array(
									0 => array(
									'type'       => HelperUploader::TYPE_FILE,
									'size'       => isset($params['size'])?$params['size']:null,
									'delete_url' => isset($params['delete_url'])?$params['delete_url']:null,
									'download_url' => isset($params['file'])?$params['file']:null
								)));

							if (isset($params['thumb']) && $params['thumb']) // Use for retrocompatibility							
								$uploader->setFiles(array(
									0 => array(
									'type'       => HelperUploader::TYPE_IMAGE,
									'image'      => isset($params['thumb'])?'<img src="'.$params['thumb'].'" alt="'.(isset($params['title']) ? $params['title'] : '').'" title="'.(isset($params['title']) ? $params['title'] : '').'" />':null,
								)));

							$uploader->setTitle(isset($params['title'])?$params['title']:null);
							$params['file'] = $uploader->render();
						break;

						case 'color':
							if ($color)
							{
								// Added JS file
								$this->context->controller->addJS(_PS_JS_DIR_.'jquery/plugins/jquery.colorpicker.js');
								$color = false;
							}
						break;

						case 'date':
							if ($date)
							{
								$this->context->controller->addJqueryUI('ui.datepicker');
								$date = false;
							}
						break;

						case 'textarea':
							if ($tinymce)
							{
								$iso = $this->context->language->iso_code;
								$this->tpl_vars['iso'] = file_exists(_PS_ROOT_DIR_.'/js/tiny_mce/langs/'.$iso.'.js') ? $iso : 'en';
								$this->tpl_vars['path_css'] = _THEME_CSS_DIR_;
								$this->tpl_vars['ad'] = __PS_BASE_URI__.basename(_PS_ADMIN_DIR_);
								$this->tpl_vars['tinymce'] = true;

								$this->context->controller->addJS(_PS_JS_DIR_.'tiny_mce/tiny_mce.js');
								$this->context->controller->addJS(_PS_JS_DIR_.'tinymce.inc.js');
								$tinymce = false;
							}

							if ($textarea_autosize)
							{
								$this->context->controller->addJS(_PS_JS_DIR_.'jquery/plugins/jquery.autosize.min.js');
								$textarea_autosize = false;
							}
						break;

						case 'shop' :
							$disable_shops = isset($params['disable_shared']) ? $params['disable_shared'] : false;
							$params['html'] = $this->renderAssoShop($disable_shops);
							if (Shop::getTotalShops(false) == 1)
								unset($this->fields_form[$fieldset_key]['form']['input'][$key]);
						break;
					}
				}

		$this->tpl->assign(array(
			'title' => $this->title,
			'toolbar_btn' => $this->toolbar_btn,
			'show_toolbar' => $this->show_toolbar,
			'toolbar_scroll' => $this->toolbar_scroll,
			'submit_action' => $this->submit_action,
			'firstCall' => $this->first_call,
			'current' => $this->currentIndex,
			'token' => $this->token,
			'table' => $this->table,
			'identifier' => $this->identifier,
			'name_controller' => $this->name_controller,
			'languages' => $this->languages,
			'current_id_lang' => $this->context->language->id,
			'defaultFormLanguage' => $this->default_form_language,
			'allowEmployeeFormLang' => $this->allow_employee_form_lang,
			'form_id' => $this->id,
			'fields' => $this->fields_form,
			'fields_value' => $this->fields_value,
			'required_fields' => $this->getFieldsRequired(),
			'vat_number' => file_exists(_PS_MODULE_DIR_.'vatnumber/ajax.php'),
			'module_dir' => _MODULE_DIR_,
			'base_url' => $this->context->shop->getBaseURL(),
			'contains_states' => (isset($this->fields_value['id_country']) && isset($this->fields_value['id_state'])) ? Country::containsStates($this->fields_value['id_country']) : null,
			'show_cancel_button' => $this->show_cancel_button,
			'back_url' => $this->back_url
		));
		return parent::generate();
	}

	/**
	 * Return true if there are required fields
	 */
	public function getFieldsRequired()
	{
		foreach ($this->fields_form as $fieldset)
			if (isset($fieldset['form']['input']))
				foreach ($fieldset['form']['input'] as $input)
					if (array_key_exists('required', $input) && $input['required'] && $input['type'] != 'radio')
						return true;

		return false;
	}

	/**
	 * Render an area to determinate shop association
	 *
	 * @return string
	 */
	public function renderAssoShop($disable_shared = false, $template_directory = null)
	{
		if (!Shop::isFeatureActive())
			return;

		$assos = array();
		if ((int)$this->id)
		{
			$sql = 'SELECT `id_shop`, `'.bqSQL($this->identifier).'`
					FROM `'._DB_PREFIX_.bqSQL($this->table).'_shop`
					WHERE `'.bqSQL($this->identifier).'` = '.(int)$this->id;

			foreach (Db::getInstance()->executeS($sql) as $row)
				$assos[$row['id_shop']] = $row['id_shop'];
		}
		else
		{
			switch (Shop::getContext())
			{
				case Shop::CONTEXT_SHOP :
						$assos[Shop::getContextShopID()] = Shop::getContextShopID();
				break;

				case Shop::CONTEXT_GROUP :
					foreach (Shop::getShops(false, Shop::getContextShopGroupID(), true) as $id_shop)
							$assos[$id_shop] = $id_shop;
				break;

				default :
						foreach (Shop::getShops(false, null, true) as $id_shop)
							$assos[$id_shop] = $id_shop;
				break;
			}
		}

		/*$nb_shop = 0;
		foreach ($tree as &$value)
		{
			$value['disable_shops'] = (isset($value[$disable_shared]) && $value[$disable_shared]);
			$nb_shop += count($value['shops']);
		}*/

		$tree = new HelperTreeShops('shop-tree', 'Shops');
		if (isset($template_directory))
			$tree->setTemplateDirectory($template_directory);
		$tree->setSelectedShops($assos);
		$tree->setAttribute('table', $this->table);
		return $tree->render();
	}
}
