<?php
/*
* 2007-2016 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  2007-2016 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 HelperCore
{
    public $currentIndex;
    public $table = 'configuration';
    public $identifier;
    public $token;
    public $toolbar_btn;
    public $ps_help_context;
    public $title;
    public $show_toolbar = true;
    public $context;
    public $toolbar_scroll = false;
    public $bootstrap = false;

    /**
     * @var Module
     */
    public $module;

    /** @var string Helper tpl folder */
    public $base_folder;

    /** @var string Controller tpl folder */
    public $override_folder;

    /**
     * @var Smarty_Internal_Template base template object
     */
    protected $tpl;

    /**
     * @var string base template name
     */
    public $base_tpl = 'content.tpl';

    public $tpl_vars = array();

    public function __construct()
    {
        $this->context = Context::getContext();
    }

    public function setTpl($tpl)
    {
        $this->tpl = $this->createTemplate($tpl);
    }

    /**
     * Create a template from the override file, else from the base file.
     *
     * @param string $tpl_name filename
     * @return Smarty_Internal_Template
     */
    public function createTemplate($tpl_name)
    {
        if ($this->override_folder) {
            if ($this->context->controller instanceof ModuleAdminController) {
                $override_tpl_path = $this->context->controller->getTemplatePath().$this->override_folder.$this->base_folder.$tpl_name;
            } elseif ($this->module) {
                $override_tpl_path = _PS_MODULE_DIR_.$this->module->name.'/views/templates/admin/_configure/'.$this->override_folder.$this->base_folder.$tpl_name;
            } else {
                if (file_exists($this->context->smarty->getTemplateDir(1).$this->override_folder.$this->base_folder.$tpl_name)) {
                    $override_tpl_path = $this->context->smarty->getTemplateDir(1).$this->override_folder.$this->base_folder.$tpl_name;
                } elseif (file_exists($this->context->smarty->getTemplateDir(0).'controllers'.DIRECTORY_SEPARATOR.$this->override_folder.$this->base_folder.$tpl_name)) {
                    $override_tpl_path = $this->context->smarty->getTemplateDir(0).'controllers'.DIRECTORY_SEPARATOR.$this->override_folder.$this->base_folder.$tpl_name;
                }
            }
        } elseif ($this->module) {
            $override_tpl_path = _PS_MODULE_DIR_.$this->module->name.'/views/templates/admin/_configure/'.$this->base_folder.$tpl_name;
        }

        if (isset($override_tpl_path) && file_exists($override_tpl_path)) {
            return $this->context->smarty->createTemplate($override_tpl_path, $this->context->smarty);
        } else {
            return $this->context->smarty->createTemplate($this->base_folder.$tpl_name, $this->context->smarty);
        }
    }

    /**
     * default behaviour for helper is to return a tpl fetched
     *
     * @return string
     */
    public function generate()
    {
        $this->tpl->assign($this->tpl_vars);
        return $this->tpl->fetch();
    }

    /**
     * @deprecated 1.5.0
     */
    public static function renderAdminCategorieTree($translations,
                                                    $selected_cat = array(),
                                                    $input_name = 'categoryBox',
                                                    $use_radio = false,
                                                    $use_search = false,
                                                    $disabled_categories = array(),
                                                    $use_in_popup = false)
    {
        Tools::displayAsDeprecated();

        $helper = new Helper();
        if (isset($translations['Root'])) {
            $root = $translations['Root'];
        } elseif (isset($translations['Home'])) {
            $root = array('name' => $translations['Home'], 'id_category' => 1);
        } else {
            throw new PrestaShopException('Missing root category parameter.');
        }

        return $helper->renderCategoryTree($root, $selected_cat, $input_name, $use_radio, $use_search, $disabled_categories, $use_in_popup);
    }

    /**
     *
     * @param array $root array with the name and ID of the tree root category, if null the Shop's root category will be used
     * @param array $selected_cat array of selected categories
     *					Format
     *						Array
     * 					(
     *							 [0] => 1
     *						 [1] => 2
     *					)
     * 					OR
     *					Array
     *					(
     *						 [1] => Array
     *							  (
     *									[id_category] => 1
     *									[name] => Home page
     *							  )
     *					)
     * @param string $input_name name of input
     * @param bool $use_radio use radio tree or checkbox tree
     * @param bool $use_search display a find category search box
     * @param array $disabled_categories
     * @return string
     */
    public function renderCategoryTree($root = null,
                                       $selected_cat = array(),
                                       $input_name = 'categoryBox',
                                       $use_radio = false,
                                       $use_search = false,
                                       $disabled_categories = array())
    {
        $translations = array(
            'selected' => $this->l('Selected'),
            'Collapse All' => $this->l('Collapse All'),
            'Expand All' => $this->l('Expand All'),
            'Check All' => $this->l('Check All'),
            'Uncheck All'  => $this->l('Uncheck All'),
            'search' => $this->l('Find a category')
        );

        if (Tools::isSubmit('id_shop')) {
            $id_shop = Tools::getValue('id_shop');
        } elseif (Context::getContext()->shop->id) {
            $id_shop = Context::getContext()->shop->id;
        } elseif (!Shop::isFeatureActive()) {
            $id_shop = Configuration::get('PS_SHOP_DEFAULT');
        } else {
            $id_shop = 0;
        }
        $shop = new Shop($id_shop);
        $root_category = Category::getRootCategory(null, $shop);
        $disabled_categories[] = (int)Configuration::get('PS_ROOT_CATEGORY');
        if (!$root) {
            $root = array('name' => $root_category->name, 'id_category' => $root_category->id);
        }

        if (!$use_radio) {
            $input_name = $input_name.'[]';
        }

        if ($use_search) {
            $this->context->controller->addJs(_PS_JS_DIR_.'jquery/plugins/autocomplete/jquery.autocomplete.js');
        }

        $html = '
		<script type="text/javascript">
			var inputName = \''.addcslashes($input_name, '\'').'\';'."\n";
        if (count($selected_cat) > 0) {
            if (isset($selected_cat[0])) {
                $html .= '			var selectedCat = "'.implode(',', array_map('intval', $selected_cat)).'";'."\n";
            } else {
                $html .= '			var selectedCat = "'.implode(',', array_map('intval', array_keys($selected_cat))).'";'."\n";
            }
        } else {
            $html .= '			var selectedCat = \'\';'."\n";
        }
        $html .= '			var selectedLabel = \''.$translations['selected'].'\';
			var home = \''.addcslashes($root['name'], '\'').'\';
			var use_radio = '.(int)$use_radio.';';
        $html .= '</script>';

        $html .= '
		<div class="category-filter">
			<a class="btn btn-link" href="#" id="collapse_all"><i class="icon-collapse"></i> '.$translations['Collapse All'].'</a>
			<a class="btn btn-link" href="#" id="expand_all"><i class="icon-expand"></i> '.$translations['Expand All'].'</a>
			'.(!$use_radio ? '
				<a class="btn btn-link" href="#" id="check_all"><i class="icon-check"></i> '.$translations['Check All'].'</a>
				<a class="btn btn-link" href="#" id="uncheck_all"><i class="icon-check-empty"></i> '.$translations['Uncheck All'].'</a>' : '')
            .($use_search ? '
				<div class="row">
					<label class="control-label col-lg-6" for="search_cat">'.$translations['search'].' :</label>
					<div class="col-lg-6">
						<input type="text" name="search_cat" id="search_cat"/>
					</div>
				</div>' : '')
        .'</div>';

        $home_is_selected = false;
        if (is_array($selected_cat)) {
            foreach ($selected_cat as $cat) {
                if (is_array($cat)) {
                    $disabled = in_array($cat['id_category'], $disabled_categories);
                    if ($cat['id_category'] != $root['id_category']) {
                        $html .= '<input '.($disabled?'disabled="disabled"':'').' type="hidden" name="'.$input_name.'" value="'.$cat['id_category'].'" >';
                    } else {
                        $home_is_selected = true;
                    }
                } else {
                    $disabled = in_array($cat, $disabled_categories);
                    if ($cat != $root['id_category']) {
                        $html .= '<input '.($disabled?'disabled="disabled"':'').' type="hidden" name="'.$input_name.'" value="'.$cat.'" >';
                    } else {
                        $home_is_selected = true;
                    }
                }
            }
        }

        $root_input = '';
        if ($root['id_category'] != (int)Configuration::get('PS_ROOT_CATEGORY') || (Tools::isSubmit('ajax') && Tools::getValue('action') == 'getCategoriesFromRootCategory')) {
            $root_input = '
				<p class="checkbox"><i class="icon-folder-open"></i><label>
					<input type="'.(!$use_radio ? 'checkbox' : 'radio').'" name="'
                        .$input_name.'" value="'.$root['id_category'].'" '
                        .($home_is_selected ? 'checked' : '').' onclick="clickOnCategoryBox($(this));" />'
                    .$root['name'].
                '</label></p>';
        }
        $html .= '
			<div class="container">
				<div class="well">
					<ul id="categories-treeview">
						<li id="'.$root['id_category'].'" class="hasChildren">
							<span class="folder">'.$root_input.' </span>
							<ul>
								<li><span class="placeholder">&nbsp;</span></li>
						  	</ul>
						</li>
					</ul>
				</div>
			</div>';

        if ($use_search) {
            $html .= '<script type="text/javascript">searchCategory();</script>';
        }
        return $html;
    }

    /**
     * use translations files to replace english expression.
     *
     * @param mixed $string term or expression in english
     * @param string $class
     * @param bool $addslashes if set to true, the return value will pass through addslashes(). Otherwise, stripslashes().
     * @param bool $htmlentities if set to true(default), the return value will pass through htmlentities($string, ENT_QUOTES, 'utf-8')
     * @return string the translation if available, or the english default text.
     */
    protected function l($string, $class = 'AdminTab', $addslashes = false, $htmlentities = true)
    {
        // if the class is extended by a module, use modules/[module_name]/xx.php lang file
        $current_class = get_class($this);
        if (Module::getModuleNameFromClass($current_class)) {
            return Translate::getModuleTranslation(Module::$classInModule[$current_class], $string, $current_class);
        }

        return Translate::getAdminTranslation($string, get_class($this), $addslashes, $htmlentities);
    }

    /**
     * Render a form with potentials required fields
     *
     * @param string $class_name
     * @param string $identifier
     * @param array $table_fields
     * @return string
     */
    public function renderRequiredFields($class_name, $identifier, $table_fields)
    {
        $rules = call_user_func_array(array($class_name, 'getValidationRules'), array($class_name));
        $required_class_fields = array($identifier);
        foreach ($rules['required'] as $required) {
            $required_class_fields[] = $required;
        }

        /** @var ObjectModel $object */
        $object = new $class_name();
        $res = $object->getFieldsRequiredDatabase();

        $required_fields = array();
        foreach ($res as $row) {
            $required_fields[(int)$row['id_required_field']] = $row['field_name'];
        }

        $this->tpl_vars = array(
            'table_fields' => $table_fields,
            'irow' => 0,
            'required_class_fields' => $required_class_fields,
            'required_fields' => $required_fields,
            'current' => $this->currentIndex,
            'token' => $this->token
        );

        $tpl = $this->createTemplate('helpers/required_fields.tpl');
        $tpl->assign($this->tpl_vars);

        return $tpl->fetch();
    }

    public function renderModulesList($modules_list)
    {
        $this->tpl_vars = array(
            'modules_list' => $modules_list,
            'modules_uri' => __PS_BASE_URI__.basename(_PS_MODULE_DIR_)
        );
        // The translations for this are defined by AdminModules, so override the context for the translations
        $override_controller_name_for_translations = Context::getContext()->override_controller_name_for_translations;
        Context::getContext()->override_controller_name_for_translations = 'AdminModules';
        $tpl = $this->createTemplate('helpers/modules_list/list.tpl');
        $tpl->assign($this->tpl_vars);
        $html = $tpl->fetch();
        // Restore the previous context
        Context::getContext()->override_controller_name_for_translations = $override_controller_name_for_translations;
        return $html;
    }

    /**
     * Render shop list
     *
     * @deprecated deprecated since 1.6.1.0 use HelperShop->getRenderedShopList
     *
     * @return string
     */
    public static function renderShopList()
    {
        Tools::displayAsDeprecated();

        if (!Shop::isFeatureActive() || Shop::getTotalShops(false, null) < 2) {
            return null;
        }

        $tree = Shop::getTree();
        $context = Context::getContext();

        // Get default value
        $shop_context = Shop::getContext();
        if ($shop_context == Shop::CONTEXT_ALL || ($context->controller->multishop_context_group == false && $shop_context == Shop::CONTEXT_GROUP)) {
            $value = '';
        } elseif ($shop_context == Shop::CONTEXT_GROUP) {
            $value = 'g-'.Shop::getContextShopGroupID();
        } else {
            $value = 's-'.Shop::getContextShopID();
        }

        // Generate HTML
        $url = $_SERVER['REQUEST_URI'].(($_SERVER['QUERY_STRING']) ? '&' : '?').'setShopContext=';
        $shop = new Shop(Shop::getContextShopID());

        // $html = '<a href="#"><i class="icon-home"></i> '.$shop->name.'</a>';
        $html = '<select class="shopList" onchange="location.href = \''.htmlspecialchars($url).'\'+$(this).val();">';
        $html .= '<option value="" class="first">'.Translate::getAdminTranslation('All shops').'</option>';

        foreach ($tree as $group_id => $group_data) {
            if ((!isset($context->controller->multishop_context) || $context->controller->multishop_context & Shop::CONTEXT_GROUP)) {
                $html .= '<option class="group" value="g-'.$group_id.'"'.(((empty($value) && $shop_context == Shop::CONTEXT_GROUP) || $value == 'g-'.$group_id) ? ' selected="selected"' : '').($context->controller->multishop_context_group == false ? ' disabled="disabled"' : '').'>'.Translate::getAdminTranslation('Group:').' '.htmlspecialchars($group_data['name']).'</option>';
            } else {
                $html .= '<optgroup class="group" label="'.Translate::getAdminTranslation('Group:').' '.htmlspecialchars($group_data['name']).'"'.($context->controller->multishop_context_group == false ? ' disabled="disabled"' : '').'>';
            }
            if (!isset($context->controller->multishop_context) || $context->controller->multishop_context & Shop::CONTEXT_SHOP) {
                foreach ($group_data['shops'] as $shop_id => $shop_data) {
                    if ($shop_data['active']) {
                        $html .= '<option value="s-'.$shop_id.'" class="shop"'.(($value == 's-'.$shop_id) ? ' selected="selected"' : '').'>'.($context->controller->multishop_context_group == false ? htmlspecialchars($group_data['name']).' - ' : '').$shop_data['name'].'</option>';
                    }
                }
            }
            if (!(!isset($context->controller->multishop_context) || $context->controller->multishop_context & Shop::CONTEXT_GROUP)) {
                $html .= '</optgroup>';
            }
        }
        $html .= '</select>';

        return $html;
    }
}
