<?php
/**
 * 2007-2016 PrestaShop
 *
 * thirty bees is an extension to the PrestaShop e-commerce software developed by PrestaShop SA
 * Copyright (C) 2017-2018 thirty bees
 *
 * 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@thirtybees.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 https://www.thirtybees.com for more information.
 *
 * @author    thirty bees <contact@thirtybees.com>
 * @author    PrestaShop SA <contact@prestashop.com>
 * @copyright 2017-2018 thirty bees
 * @copyright 2007-2016 PrestaShop SA
 * @license   http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 *  PrestaShop is an internationally registered trademark & property of PrestaShop SA
 */

/**
 * Class AdminStockMvtControllerCore
 *
 * @property StockMvt|null $object
 */
class AdminStockMvtControllerCore extends AdminController
{
    /**
     * AdminStockMvtControllerCore constructor.
     *
     * @throws PrestaShopException
     */
    public function __construct()
    {
        $this->bootstrap = true;
        $this->context = Context::getContext();
        $this->table = 'stock_mvt';
        $this->className = 'StockMvt';
        $this->identifier = 'id_stock_mvt';
        $this->lang = false;
        $this->multishop_context = Shop::CONTEXT_ALL;

        $this->list_no_link = true;
        $this->displayInformation($this->l('This interface allows you to display the stock movement for a selected warehouse.').'<br />');

        $this->fields_list = [
            'product_reference' => [
                'title'        => $this->l('Reference'),
                'havingFilter' => true,
            ],
            'product_ean13'     => [
                'title'        => $this->l('EAN 13'),
                'havingFilter' => true,
            ],
            'product_upc'       => [
                'title'        => $this->l('UPC'),
                'havingFilter' => true,
            ],
            'product_name'      => [
                'title'        => $this->l('Name'),
                'havingFilter' => true,
            ],
            'warehouse_name'    => [
                'title'        => $this->l('Warehouse'),
                'havingFilter' => false,
                'orderby'      => true,
                'search'       => false,
            ],
            'sign'              => [
                'title'      => $this->l('Sign'),
                'align'      => 'center',
                'type'       => 'select',
                'filter_key' => 'a!sign',
                'list'       => [
                    '1'  => $this->l('Increase'),
                    '-1' => $this->l('Decrease'),
                ],
                'icon'       => [
                    -1 => [
                        'src' => 'remove_stock.png',
                        'alt' => $this->l('Decrease'),
                    ],
                    1  => [
                        'src' => 'add_stock.png',
                        'alt' => $this->l('Increase'),
                    ],
                ],
                'class'      => 'fixed-width-xs',
            ],
            'physical_quantity' => [
                'title'      => $this->l('Quantity'),
                'align'      => 'center',
                'filter_key' => 'a!physical_quantity',
                'class'      => 'fixed-width-sm',
            ],
            'price_te'          => [
                'title'      => $this->l('Price (tax excl.)'),
                'type'       => 'price',
                'currency'   => true,
                'filter_key' => 'a!price_te',
            ],
            'reason'            => [
                'title'        => $this->l('Label'),
                'havingFilter' => true,
            ],
            'employee'          => [
                'title'        => $this->l('Employee'),
                'havingFilter' => true,
            ],
            'date_add'          => [
                'title'      => $this->l('Date'),
                'type'       => 'datetime',
                'filter_key' => 'a!date_add',
            ],
        ];

        parent::__construct();
    }

    /**
     * Initialize page header toolbar
     *
     * @return void
     *
     * @throws PrestaShopException
     */
    public function initPageHeaderToolbar()
    {
        $this->page_header_toolbar_title = $this->l('Stock movement');

        if (Tools::isSubmit('id_warehouse') && Tools::getIntValue('id_warehouse') != -1) {
            $this->page_header_toolbar_btn['export-stock-mvt-csv'] = [
                'short'    => $this->l('Export this list as CSV', null, null, false),
                'href'     => $this->context->link->getAdminLink('AdminStockMvt').'&csv&id_warehouse='.(int) $this->getCurrentWarehouseId(),
                'desc'     => $this->l('Export (CSV)', null, null, false),
                'imgclass' => 'export',
            ];
        }

        parent::initPageHeaderToolbar();
    }

    /**
     * Gets the current warehouse for this controller
     *
     * @return int warehouse_id
     */
    protected function getCurrentWarehouseId()
    {
        static $warehouse = 0;

        if ($warehouse == 0) {
            $warehouse = -1;
            if (Tools::getIntValue('id_warehouse')) {
                $warehouse = Tools::getIntValue('id_warehouse');
            }
        }

        return $warehouse;
    }

    /**
     * AdminController::renderList() override
     *
     * @return string
     *
     * @throws PrestaShopDatabaseException
     * @throws PrestaShopException
     * @throws SmartyException
     * @see AdminController::renderList()
     */
    public function renderList()
    {
        // removes toolbar btn
        $this->toolbar_btn = [];

        // overrides select
        $this->_select = '
			CONCAT(pl.name, \' \', GROUP_CONCAT(IFNULL(al.name, \'\'), \'\')) product_name,
			CONCAT(a.employee_lastname, \' \', a.employee_firstname) as employee,
			IF(a.id_order=0 AND a.id_supply_order=0, mrl.name, CONCAT(mrl.name,\': \',IF(a.id_order>0,o.reference,so.reference))) as reason,
			stock.reference as product_reference,
			stock.ean13 as product_ean13,
			stock.upc as product_upc,
			w.id_currency as id_currency,
			w.name as warehouse_name';

        // overrides join
        $this->_join = 'INNER JOIN '._DB_PREFIX_.'stock stock ON a.id_stock = stock.id_stock
							LEFT JOIN `'._DB_PREFIX_.'product_lang` pl ON (
								stock.id_product = pl.id_product
								AND pl.id_lang = '.(int) $this->context->language->id.Shop::addSqlRestrictionOnLang('pl').'
							)
							LEFT JOIN `'._DB_PREFIX_.'stock_mvt_reason_lang` mrl ON (
								a.id_stock_mvt_reason = mrl.id_stock_mvt_reason
								AND mrl.id_lang = '.(int) $this->context->language->id.'
							)
							LEFT JOIN `'._DB_PREFIX_.'warehouse` w ON (w.id_warehouse = stock.id_warehouse)
							LEFT JOIN `'._DB_PREFIX_.'product_attribute_combination` pac ON (pac.id_product_attribute = stock.id_product_attribute)
							LEFT JOIN `'._DB_PREFIX_.'attribute_lang` al ON (
								al.id_attribute = pac.id_attribute
								AND pac.id_product_attribute <> 0
								AND al.id_lang = '.(int) $this->context->language->id.'
							)
							LEFT JOIN `'._DB_PREFIX_.'orders` o ON (a.id_order = o.id_order)
							LEFT JOIN `'._DB_PREFIX_.'supply_order` so ON (a.id_supply_order = so.id_supply_order)
						';
        // overrides group
        $this->_group = 'GROUP BY a.id_stock_mvt';

        // overrides where depending on the warehouse
        $idWarehouse = (int) $this->getCurrentWarehouseId();
        if ($idWarehouse > 0) {
            $this->_where = ' AND w.id_warehouse = '.$idWarehouse;
            static::$currentIndex .= '&id_warehouse='.$idWarehouse;
        }

        $this->_orderBy = 'a.date_add';
        $this->_orderWay = 'DESC';

        // sets the current warehouse
        $this->tpl_list_vars['current_warehouse'] = $this->getCurrentWarehouseId();

        // sets the list of warehouses
        $warehouses = Warehouse::getWarehouses(true);
        array_unshift($warehouses, ['id_warehouse' => -1, 'name' => $this->l('All Warehouses')]);
        $this->tpl_list_vars['list_warehouses'] = $warehouses;

        // sets toolbar
        $this->initToolbar();

        // renders list
        $list = parent::renderList();

        // if export requested
        if (Tools::isSubmit('csv')) {
            if (count($this->_list) > 0) {
                $this->renderCSV();
                die;
            } else {
                $this->displayWarning($this->l('There is nothing to export as a CSV.'));
            }
        }

        return $list;
    }

    /**
     * @return void
     *
     * @throws PrestaShopException
     * @see AdminController::initToolbar();
     */
    public function initToolbar()
    {
        if (Tools::isSubmit('id_warehouse') && Tools::getIntValue('id_warehouse') != -1) {
            $this->toolbar_btn['export-stock-mvt-csv'] = [
                'short'    => 'Export this list as CSV',
                'href'     => $this->context->link->getAdminLink('AdminStockMvt').'&amp;csv&amp;id_warehouse='.(int) $this->getCurrentWarehouseId(),
                'desc'     => $this->l('Export (CSV)'),
                'imgclass' => 'export',
            ];
        }

        parent::initToolbar();
        unset($this->toolbar_btn['new']);
    }

    /**
     * Exports CSV
     *
     * @return void
     *
     * @throws PrestaShopException
     */
    public function renderCSV()
    {
        if (!$this->_list) {
            return;
        }

        // header
        $warehouseId = Tools::getIntValue('id_warehouse');
        if ($warehouseId > 0) {
            $filename = $this->l('stock_mvt').'_'.Warehouse::getWarehouseNameById($warehouseId).'.csv';
        } else {
            $filename = $this->l('stock_mvt').'.csv';
        }
        header('Content-type: text/csv');
        header('Cache-Control: no-store, no-cache');
        header('Content-disposition: attachment; filename="'.$filename);

        // puts keys
        $keys = [
            'id_order', 'id_supply_order', 'employee_firstname', 'employee_lastname', 'physical_quantity',
            'date_add', 'sign', 'price_te', 'product_name', 'label', 'product_reference', 'product_ean13', 'product_upc',
        ];
        echo sprintf("%s\n", implode(';', $keys));

        // puts rows
        foreach ($this->_list as $row) {
            $rowCsv = [
                $row['id_order'], $row['id_supply_order'], $row['employee_firstname'],
                $row['employee_lastname'], $row['physical_quantity'], $row['date_add'],
                $row['sign'], $row['price_te'], $row['product_name'],
                $row['reason'], $row['product_reference'], $row['product_ean13'], $row['product_upc'],
            ];

            // puts one row
            echo sprintf("%s\n", implode(';', array_map(['CSVCore', 'wrap'], $rowCsv)));
        }
    }

    /**
     * AdminController::getList() override
     *
     * @see AdminController::getList()
     *
     * @param int $idLang
     * @param string|null $orderBy
     * @param string|null $orderWay
     * @param int $start
     * @param int|null $limit
     * @param int|bool $idLangShop
     *
     * @throws PrestaShopException
     *
     * @return void
     */
    public function getList($idLang, $orderBy = null, $orderWay = null, $start = 0, $limit = null, $idLangShop = false)
    {
        if (Tools::isSubmit('csv')) {
            $limit = false;
        }

        parent::getList($idLang, $orderBy, $orderWay, $start, $limit, $idLangShop);

        //If there is a field product_name in the list, check if this field is null and display standard message
        foreach ($this->fields_list as $key => $value) {
            if ($key == 'product_name') {
                $nbItems = count($this->_list);

                for ($i = 0; $i < $nbItems; ++$i) {
                    $item = &$this->_list[$i];

                    if (empty($item['product_name'])) {
                        $item['product_name'] = $this->l('The name of this product is not available. It may have been deleted from the system.');
                    }
                }
            }
        }
    }

    /**
     * Initialize content
     *
     * @return void
     *
     * @throws PrestaShopException
     * @throws SmartyException
     */
    public function initContent()
    {
        if (!Configuration::get('PS_ADVANCED_STOCK_MANAGEMENT')) {
            $this->warnings[md5('PS_ADVANCED_STOCK_MANAGEMENT')] = $this->l('You need to activate advanced stock management before using this feature.');

            return;
        }
        parent::initContent();
    }

    /**
     * Initialize processing
     *
     * @return void
     *
     * @throws PrestaShopException
     */
    public function initProcess()
    {
        if (!Configuration::get('PS_ADVANCED_STOCK_MANAGEMENT')) {
            $this->warnings[md5('PS_ADVANCED_STOCK_MANAGEMENT')] = $this->l('You need to activate advanced stock management before using this feature.');

            return;
        }
        parent::initProcess();
    }
}
