<?php
/*
* 2007-2014 PrestaShop
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 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/afl-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/afl-3.0.php  Academic Free License (AFL 3.0)
*  International Registered Trademark & Property of PrestaShop SA
*/

if (!defined('_PS_VERSION_'))
	exit;

class NewsletterProGroup extends Module
{
	private $post_errors = array();
	private $html = '';

	public function __construct()
	{
		$this->name = 'newsletterprogroup';
		$this->tab = 'administration';
		$this->version = '1.0.0';
		$this->author = 'ANTADIS';
		$this->need_instance = 0;

		$this->bootstrap = true;
		parent::__construct();

		$this->displayName = $this->l('Newsletter pro group');
		$this->description = $this->l('Generates a .CSV file of pro group users');
	}

	public function install()
	{
		return parent::install();
	}

	private function postProcess()
	{
		$result = false;
		if (Tools::isSubmit('submitExport'))
		{
			if ($res = $this->processExport()){
				// download csv file
				// $filename = '/export.csv';
				// if (!file_exists(dirname(__FILE__).$filename))
				// 	return false;
				// chmod(dirname(__FILE__).$filename, 0755);
				// header('location:'.$this->_path.$filename);
				// exit;
			}
		}
	}

	private function processExport()
	{
		$objects = $this->getCustomers();

		header('Pragma: public');
		header('Expires: 0');
		header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
		header('Content-Description: File Transfer');
		header('Content-Type: text/csv; charset=utf-8');
		header('Content-Disposition: attachment; filename=export_grouppro.csv;');
		header('Content-Transfer-Encoding: binary');

		$row_definition = array(
			'ID'					=> 'id_customer',
			'Prenom'				=> 'firstname',
			'Nom'					=> 'lastname',
			'Email'					=> 'email',
			'Maj_mdp'				=> 'pro_update',
			'Deniere_maj'			=> 'date_upd'
		);

		ob_clean();
		//open file pointer to standard output
		$fp = fopen('php://output', 'w');
		// $fp = fopen(dirname(__FILE__).'/export.csv', 'w');
		$delim = ';';

		// first row
		$data=array();
		// foreach ($row_definition as $col_name => $index)
		// 	$data[]=Tools::htmlentitiesDecodeUTF8($col_name);
		// fputcsv ($fp,$data,$delim);

		foreach ($objects as $obj) {
			// build CSV file
			$data = array();
			foreach ($row_definition as $index){
				$data[] = $obj[$index];
			}

			fputcsv ($fp,$data,$delim);
		}
		fclose($fp);
		exit;
		// return true;
	}

	private function getCustomers()
	{
		$sql = 'SELECT *
				FROM '._DB_PREFIX_.'customer
				WHERE `pro` = 1
				AND `pro_update` = 1';
		return Db::getInstance()->executeS($sql);
	}

	public function getContent()
	{
		$this->html .= '';

		if (!empty($_POST))
			$this->postProcess();
		$this->html .= $this->renderForm();

		return $this->html;
	}

	public function renderForm()
	{
		$fields_form = array(
			'form' => array(
				'legend' => array(
					'title' => $this->l('CSV export'),
					'icon' => 'icon-wheel'
				),
				'submit' => array(
					'title' => $this->l('Export'),
				)
			),
		);
		
		$helper = new HelperForm();
		$helper->show_toolbar = false;
		$helper->table =  $this->table;
		$lang = new Language((int)Configuration::get('PS_LANG_DEFAULT'));
		$helper->default_form_language = $lang->id;
		$helper->allow_employee_form_lang = Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') ? Configuration::get('PS_BO_ALLOW_EMPLOYEE_FORM_LANG') : 0;
		$this->fields_form = array();
		$helper->identifier = $this->identifier;
		$helper->submit_action = 'submitExport';
		$helper->currentIndex = $this->context->link->getAdminLink('AdminModules', false).'&configure='.$this->name.'&tab_module='.$this->tab.'&module_name='.$this->name;
		$helper->token = Tools::getAdminTokenLite('AdminModules');
		$helper->tpl_vars = array(
			'languages' => $this->context->controller->getLanguages(),
			'id_language' => $this->context->language->id
		);

		return $helper->generateForm(array($fields_form));
	}
}