<?php
/*
* 2007-2015 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  2007-2015 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 AdminInvoicesControllerCore extends AdminController
{
	public function __construct()
	{
		$this->bootstrap = true;
		$this->table = 'invoice';

		parent::__construct();

		$this->fields_options = array(
			'general' => array(
				'title' =>	$this->l('Invoice options'),
				'fields' =>	array(
					'PS_INVOICE' => array(
						'title' => $this->l('Enable invoices'),
						'desc' => $this->l('If enabled, your customers will receive an invoice for their purchase(s).'),
						'cast' => 'intval',
						'type' => 'bool'
					),
					'PS_INVOICE_TAXES_BREAKDOWN' => array(
						'title' => $this->l('Enable tax breakdown'),
						'desc' => $this->l('Show a summary of tax rates when there are several taxes.'),
						'cast' => 'intval',
						'type' => 'bool'
					),
					'PS_PDF_IMG_INVOICE' => array(
						'title' => $this->l('Enable product image'),
						'hint' => $this->l('Adds an image before product name on the invoice'),
						'validation' => 'isBool',
						'cast' => 'intval',
						'type' => 'bool'
					),
					'PS_INVOICE_PREFIX' => array(
						'title' => $this->l('Invoice prefix'),
						'desc' => $this->l('Prefix used for invoice name (e.g. #IN00001).'),
						'size' => 6,
						'type' => 'textLang'
					),
					'PS_INVOICE_START_NUMBER' => array(
						'title' => $this->l('Invoice number'),
						'desc' => sprintf($this->l('The next invoice will begin with this number, and then increase with each additional invoice. Set to 0 if you want to keep the current number (which is #%s).'), Order::getLastInvoiceNumber() + 1),
						'size' => 6,
						'type' => 'text',
						'cast' => 'intval'
					),
					'PS_INVOICE_LEGAL_FREE_TEXT' => array(
						'title' => $this->l('Legal free text'),
						'desc' => $this->l('Use this field to display additional text on your invoice, like specific legal information. It will appear below the payment methods summary.'),
						'size' => 50,
						'type' => 'textareaLang',
					),
					'PS_INVOICE_FREE_TEXT' => array(
						'title' => $this->l('Footer text'),
						'desc' => $this->l('This text will appear at the bottom of the invoice, below your company details.'),
						'size' => 50,
						'type' => 'textLang',
					),
					'PS_INVOICE_MODEL' => array(
						'title' => $this->l('Invoice model'),
						'desc' => $this->l('Choose an invoice model.'),
						'type' => 'select',
						'identifier' => 'value',
						'list' => $this->getInvoicesModels()
					),
					'PS_PDF_USE_CACHE' => array(
						'title' => $this->l('Use the disk as cache for PDF invoices'),
						'desc' => $this->l('Saves memory but slows down the PDF generation.'),
						'validation' => 'isBool',
						'cast' => 'intval',
						'type' => 'bool'
					)
				),
				'submit' => array('title' => $this->l('Save'))
			)
		);
	}

	public function initFormByDate()
	{
		$this->fields_form = array(
			'legend' => array(
				'title' => $this->l('By date'),
				'icon' => 'icon-calendar'
			),
			'input' => array(
				array(
					'type' => 'date',
					'label' => $this->l('From'),
					'name' => 'date_from',
					'maxlength' => 10,
					'required' => true,
					'hint' => $this->l('Format: 2011-12-31 (inclusive).')
				),
				array(
					'type' => 'date',
					'label' => $this->l('To'),
					'name' => 'date_to',
					'maxlength' => 10,
					'required' => true,
					'hint' => $this->l('Format: 2012-12-31 (inclusive).')
				)
			),
			'submit' => array(
				'title' => $this->l('Generate PDF file by date'),
				'id' => 'submitPrint',
				'icon' => 'process-icon-download-alt'
			)
		);

		$this->fields_value = array(
			'date_from' => date('Y-m-d'),
			'date_to' => date('Y-m-d')
		);

		$this->table = 'invoice_date';
		$this->show_toolbar = false;
		$this->show_form_cancel_button = false;
		$this->toolbar_title = $this->l('Print PDF invoices');
		return parent::renderForm();
	}

	public function initFormByStatus()
	{
		$this->fields_form = array(
			'legend' => array(
				'title' => $this->l('By order status'),
				'icon' => 'icon-time'
			),
			'input' => array(
				array(
					'type' => 'checkboxStatuses',
					'label' => $this->l('Order statuses'),
					'name' => 'id_order_state',
					'values' => array(
						'query' => OrderState::getOrderStates($this->context->language->id),
						'id' => 'id_order_state',
						'name' => 'name'
					),
					'hint' => $this->l('You can also export orders which have not been charged yet.')
				)
			),
			'submit' => array(
				'title' => $this->l('Generate PDF file by status'),
				'id' => 'submitPrint2',
				'icon' => 'process-icon-download-alt'
			)
		);

		$result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
			SELECT COUNT( o.id_order ) AS nbOrders, o.current_state as id_order_state
			FROM `'._DB_PREFIX_.'order_invoice` oi
			LEFT JOIN `'._DB_PREFIX_.'orders` o ON  oi.id_order = o.id_order 
			WHERE o.id_shop IN('.implode(', ', Shop::getContextListShopID()).')
			AND oi.number > 0
			GROUP BY o.current_state
		 ');

		$status_stats = array();
		foreach ($result as $row)
			$status_stats[$row['id_order_state']] = $row['nbOrders'];

		$this->tpl_form_vars = array(
			'statusStats' => $status_stats,
			'style' => ''
		);

		$this->table = 'invoice_status';
		$this->show_toolbar = false;
		return parent::renderForm();
	}

	public function initContent()
	{
		$this->display = 'edit';
		$this->initTabModuleList();
		$this->initToolbar();
		$this->initPageHeaderToolbar();
		$this->content .= $this->initFormByDate();
		$this->content .= $this->initFormByStatus();
		$this->table = 'invoice';
		$this->content .= $this->renderOptions();

		$this->context->smarty->assign(array(
			'content' => $this->content,
			'url_post' => self::$currentIndex.'&token='.$this->token,			
			'show_page_header_toolbar' => $this->show_page_header_toolbar,
			'page_header_toolbar_title' => $this->page_header_toolbar_title,
			'page_header_toolbar_btn' => $this->page_header_toolbar_btn
		));
	}

	public function initToolbarTitle()
	{
		$this->toolbar_title = array_unique($this->breadcrumbs);
	}

	public function initPageHeaderToolbar()
	{
		parent::initPageHeaderToolbar();
		unset($this->page_header_toolbar_btn['cancel']);
	}

	public function postProcess()
	{
		if (Tools::isSubmit('submitAddinvoice_date'))
		{
			if (!Validate::isDate(Tools::getValue('date_from')))
				$this->errors[] = $this->l('Invalid "From" date');

			if (!Validate::isDate(Tools::getValue('date_to')))
				$this->errors[] = $this->l('Invalid "To" date');

			if (!count($this->errors))
			{
				if (count(OrderInvoice::getByDateInterval(Tools::getValue('date_from'), Tools::getValue('date_to'))))
					Tools::redirectAdmin($this->context->link->getAdminLink('AdminPdf').'&submitAction=generateInvoicesPDF&date_from='.urlencode(Tools::getValue('date_from')).'&date_to='.urlencode(Tools::getValue('date_to')));

				$this->errors[] = $this->l('No invoice has been found for this period.');
			}
		}
		elseif (Tools::isSubmit('submitAddinvoice_status'))
		{
			if (!is_array($status_array = Tools::getValue('id_order_state')) || !count($status_array))
				$this->errors[] = $this->l('You must select at least one order status.');
			else
			{
				foreach ($status_array as $id_order_state)
					if (count(OrderInvoice::getByStatus((int)$id_order_state)))
						Tools::redirectAdmin($this->context->link->getAdminLink('AdminPdf').'&submitAction=generateInvoicesPDF2&id_order_state='.implode('-', $status_array));

				$this->errors[] = $this->l('No invoice has been found for this status.');
			}
		}
		else
			parent::postProcess();
	}

	public function beforeUpdateOptions()
	{
		if ((int)Tools::getValue('PS_INVOICE_START_NUMBER') != 0 && (int)Tools::getValue('PS_INVOICE_START_NUMBER') <= Order::getLastInvoiceNumber())
			$this->errors[] = $this->l('Invalid invoice number.').Order::getLastInvoiceNumber().')';
	}

	protected function getInvoicesModels()
	{
		$models = array(
			array(
				'value' => 'invoice',
				'name' => 'invoice'
			)
		);

		$templates_override = $this->getInvoicesModelsFromDir(_PS_THEME_DIR_.'pdf/');
		$templates_default = $this->getInvoicesModelsFromDir(_PS_PDF_DIR_);

		foreach (array_merge($templates_default, $templates_override) as $template)
		{
			$template_name = basename($template, '.tpl');
			$models[] = array('value' => $template_name, 'name' => $template_name);
		}
		return $models;
	}

	protected function getInvoicesModelsFromDir($directory)
	{
		$templates = false;

		if (is_dir($directory))
			$templates = glob($directory.'invoice-*.tpl');

		if (!$templates)
			$templates = array();

		return $templates;
	}
}
