<?php
/*
* 2007-2017 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  2007-2017 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 AdminStatsControllerCore extends AdminStatsTabController
{
    public static function getVisits($unique = false, $date_from, $date_to, $granularity = false)
    {
        $visits = ($granularity == false) ? 0 : array();
        /** @var Gapi $gapi */
        $gapi = Module::isInstalled('gapi') ? Module::getInstanceByName('gapi') : false;
        if (Validate::isLoadedObject($gapi) && $gapi->isConfigured()) {
            $metric = $unique ? 'visitors' : 'visits';
            if ($result = $gapi->requestReportData($granularity ? 'ga:date' : '', 'ga:'.$metric, $date_from, $date_to, null, null, 1, 5000)) {
                foreach ($result as $row) {
                    if ($granularity == 'day') {
                        $visits[strtotime(preg_replace('/^([0-9]{4})([0-9]{2})([0-9]{2})$/', '$1-$2-$3', $row['dimensions']['date']))] = $row['metrics'][$metric];
                    } elseif ($granularity == 'month') {
                        if (!isset($visits[strtotime(preg_replace('/^([0-9]{4})([0-9]{2})([0-9]{2})$/', '$1-$2-01', $row['dimensions']['date']))])) {
                            $visits[strtotime(preg_replace('/^([0-9]{4})([0-9]{2})([0-9]{2})$/', '$1-$2-01', $row['dimensions']['date']))] = 0;
                        }
                        $visits[strtotime(preg_replace('/^([0-9]{4})([0-9]{2})([0-9]{2})$/', '$1-$2-01', $row['dimensions']['date']))] += $row['metrics'][$metric];
                    } else {
                        $visits = $row['metrics'][$metric];
                    }
                }
            }
        } else {
            if ($granularity == 'day') {
                $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
				SELECT LEFT(`date_add`, 10) as date, COUNT('.($unique ? 'DISTINCT id_guest' : '*').') as visits
				FROM `'._DB_PREFIX_.'connections`
				WHERE `date_add` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59"
				'.Shop::addSqlRestriction().'
				GROUP BY LEFT(`date_add`, 10)');
                foreach ($result as $row) {
                    $visits[strtotime($row['date'])] = $row['visits'];
                }
            } elseif ($granularity == 'month') {
                $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
				SELECT LEFT(`date_add`, 7) as date, COUNT('.($unique ? 'DISTINCT id_guest' : '*').') as visits
				FROM `'._DB_PREFIX_.'connections`
				WHERE `date_add` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59"
				'.Shop::addSqlRestriction().'
				GROUP BY LEFT(`date_add`, 7)');
                foreach ($result as $row) {
                    $visits[strtotime($row['date'].'-01')] = $row['visits'];
                }
            } else {
                $visits = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
				SELECT COUNT('.($unique ? 'DISTINCT id_guest' : '*').') as visits
				FROM `'._DB_PREFIX_.'connections`
				WHERE `date_add` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59"
				'.Shop::addSqlRestriction());
            }
        }
        return $visits;
    }

    public static function getAbandonedCarts($date_from, $date_to)
    {
        return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(DISTINCT id_guest)
		FROM `'._DB_PREFIX_.'cart`
		WHERE `date_add` BETWEEN "'.pSQL($date_from).'" AND "'.pSQL($date_to).'"
		AND NOT EXISTS (SELECT 1 FROM `'._DB_PREFIX_.'orders` WHERE `'._DB_PREFIX_.'orders`.id_cart = `'._DB_PREFIX_.'cart`.id_cart)
		'.Shop::addSqlRestriction());
    }

    public static function getInstalledModules()
    {
        return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(DISTINCT m.`id_module`)
		FROM `'._DB_PREFIX_.'module` m
		'.Shop::addSqlAssociation('module', 'm'));
    }

    public static function getDisabledModules()
    {
        return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(*)
		FROM `'._DB_PREFIX_.'module` m
		'.Shop::addSqlAssociation('module', 'm', false).'
		WHERE module_shop.id_module IS NULL OR m.active = 0');
    }

    public static function getModulesToUpdate()
    {
        $context = Context::getContext();
        $logged_on_addons = false;
        if (isset($context->cookie->username_addons) && isset($context->cookie->password_addons)
        && !empty($context->cookie->username_addons) && !empty($context->cookie->password_addons)) {
            $logged_on_addons = true;
        }
        $modules = Module::getModulesOnDisk(true, $logged_on_addons, $context->employee->id);
        $upgrade_available = 0;
        foreach ($modules as $km => $module) {
            if ($module->installed && isset($module->version_addons) && $module->version_addons) { // SimpleXMLElement
                ++$upgrade_available;
            }
        }
        return $upgrade_available;
    }

    public static function getPercentProductStock()
    {
        $row = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
		SELECT SUM(IF(IFNULL(stock.quantity, 0) > 0, 1, 0)) as with_stock, COUNT(*) as products
		FROM `'._DB_PREFIX_.'product` p
		'.Shop::addSqlAssociation('product', 'p').'
		LEFT JOIN `'._DB_PREFIX_.'product_attribute` pa ON p.id_product = pa.id_product
		'.Product::sqlStock('p', 'pa').'
		WHERE product_shop.active = 1');
        return round($row['products'] ? 100 * $row['with_stock'] / $row['products'] : 0, 2).'%';
    }

    public static function getPercentProductOutOfStock()
    {
        $row = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
		SELECT SUM(IF(IFNULL(stock.quantity, 0) = 0, 1, 0)) as without_stock, COUNT(*) as products
		FROM `'._DB_PREFIX_.'product` p
		'.Shop::addSqlAssociation('product', 'p').'
		LEFT JOIN `'._DB_PREFIX_.'product_attribute` pa ON p.id_product = pa.id_product
		'.Product::sqlStock('p', 'pa').'
		WHERE product_shop.active = 1');
        return round($row['products'] ? 100 * $row['without_stock'] / $row['products'] : 0, 2).'%';
    }


    public static function getProductAverageGrossMargin()
    {
        $sql = 'SELECT AVG(1 - (IF(IFNULL(product_attribute_shop.wholesale_price, 0) = 0, product_shop.wholesale_price,product_attribute_shop.wholesale_price) / (IFNULL(product_attribute_shop.price, 0) + product_shop.price)))
		FROM `'._DB_PREFIX_.'product` p
		'.Shop::addSqlAssociation('product', 'p').'
		LEFT JOIN `'._DB_PREFIX_.'product_attribute` pa ON p.id_product = pa.id_product
		'.Shop::addSqlAssociation('product_attribute', 'pa', false).'
		WHERE product_shop.active = 1';
        $value = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue($sql);
        return round(100 * $value, 2).'%';
    }

    public static function getDisabledCategories()
    {
        return (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(*)
		FROM `'._DB_PREFIX_.'category` c
		'.Shop::addSqlAssociation('category', 'c').'
		WHERE c.active = 0');
    }

    public static function getTotalCategories()
    {
        return (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(*)
		FROM `'._DB_PREFIX_.'category` c
		'.Shop::addSqlAssociation('category', 'c'));
    }

    public static function getDisabledProducts()
    {
        return (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(*)
		FROM `'._DB_PREFIX_.'product` p
		'.Shop::addSqlAssociation('product', 'p').'
		WHERE product_shop.active = 0');
    }

    public static function getTotalProducts()
    {
        return (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(*)
		FROM `'._DB_PREFIX_.'product` p
		'.Shop::addSqlAssociation('product', 'p'));
    }

    public static function getTotalSales($date_from, $date_to, $granularity = false, $id_hotel = false)
    {
        if ($granularity == 'day') {
            $sales = array();
            $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
			SELECT LEFT(`invoice_date`, 10) as date, SUM(total_paid_tax_excl / o.conversion_rate) as sales
			FROM `'._DB_PREFIX_.'orders` o
			LEFT JOIN `'._DB_PREFIX_.'order_state` os ON o.current_state = os.id_order_state
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
			WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59" AND os.logable = 1
			'.Shop::addSqlRestriction(false, 'o')
            .HotelBranchInformation::addHotelRestriction($id_hotel, 'hbd').'
			GROUP BY LEFT(`invoice_date`, 10)');
            foreach ($result as $row) {
                $sales[strtotime($row['date'])] = $row['sales'];
            }
            return $sales;
        } elseif ($granularity == 'month') {
            $sales = array();
            $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
			SELECT LEFT(`invoice_date`, 7) as date, SUM(total_paid_tax_excl / o.conversion_rate) as sales
			FROM `'._DB_PREFIX_.'orders` o
			LEFT JOIN `'._DB_PREFIX_.'order_state` os ON o.current_state = os.id_order_state
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
			WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59" AND os.logable = 1
			'.Shop::addSqlRestriction(false, 'o')
            .HotelBranchInformation::addHotelRestriction($id_hotel, 'hbd').'
			GROUP BY LEFT(`invoice_date`, 7)');
            foreach ($result as $row) {
                $sales[strtotime($row['date'].'-01')] = $row['sales'];
            }
            return $sales;
        } else {
            return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
			SELECT SUM(total_paid_tax_excl / o.conversion_rate)
			FROM `'._DB_PREFIX_.'orders` o
			LEFT JOIN `'._DB_PREFIX_.'order_state` os ON o.current_state = os.id_order_state
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
			WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59" AND os.logable = 1
			'.Shop::addSqlRestriction(false, 'o')
            .HotelBranchInformation::addHotelRestriction($id_hotel, 'hbd'));
        }
    }

    public static function get8020SalesCatalog($date_from, $date_to)
    {
        $distinct_products = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(DISTINCT od.product_id)
		FROM `'._DB_PREFIX_.'orders` o
		LEFT JOIN `'._DB_PREFIX_.'order_detail` od ON o.id_order = od.id_order
		WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59"
		'.Shop::addSqlRestriction(false, 'o'));
        if (!$distinct_products) {
            return '0%';
        }
        return round(100 * $distinct_products / AdminStatsController::getTotalProducts()).'%';
    }

    public static function getOrders($date_from, $date_to, $granularity = false, $id_hotel = false)
    {
        if ($granularity == 'day') {
            $orders = array();
            $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
			SELECT LEFT(`invoice_date`, 10) as date, COUNT(*) as orders
			FROM `'._DB_PREFIX_.'orders` o
			LEFT JOIN `'._DB_PREFIX_.'order_state` os ON o.current_state = os.id_order_state
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
			WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59" AND os.logable = 1
			'.Shop::addSqlRestriction(false, 'o')
            .HotelBranchInformation::addHotelRestriction($id_hotel, 'hbd').'
			GROUP BY LEFT(`invoice_date`, 10)');
            foreach ($result as $row) {
                $orders[strtotime($row['date'])] = $row['orders'];
            }
            return $orders;
        } elseif ($granularity == 'month') {
            $orders = array();
            $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
			SELECT LEFT(`invoice_date`, 7) as date, COUNT(*) as orders
			FROM `'._DB_PREFIX_.'orders` o
			LEFT JOIN `'._DB_PREFIX_.'order_state` os ON o.current_state = os.id_order_state
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
			WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59" AND os.logable = 1
			'.Shop::addSqlRestriction(false, 'o')
            .HotelBranchInformation::addHotelRestriction($id_hotel, 'hbd').'
			GROUP BY LEFT(`invoice_date`, 7)');
            foreach ($result as $row) {
                $orders[strtotime($row['date'].'-01')] = $row['orders'];
            }
            return $orders;
        } else {
            $orders = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
			SELECT COUNT(*) as orders
			FROM `'._DB_PREFIX_.'orders` o
			LEFT JOIN `'._DB_PREFIX_.'order_state` os ON o.current_state = os.id_order_state
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
			WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59" AND os.logable = 1
			'.Shop::addSqlRestriction(false, 'o')
            .HotelBranchInformation::addHotelRestriction($id_hotel, 'hbd'));
        }

        return $orders;
    }

    public static function getEmptyCategories()
    {
        $total = (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(*)
		FROM `'._DB_PREFIX_.'category` c
		'.Shop::addSqlAssociation('category', 'c').'
		AND c.active = 1
		AND c.nright = c.nleft + 1');
        $used = (int)Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT COUNT(DISTINCT cp.id_category)
		FROM `'._DB_PREFIX_.'category` c
		LEFT JOIN `'._DB_PREFIX_.'category_product` cp ON c.id_category = cp.id_category
		'.Shop::addSqlAssociation('category', 'c').'
		AND c.active = 1
		AND c.nright = c.nleft + 1');
        return intval($total - $used);
    }

    public static function getCustomerMainGender()
    {
        $row = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
		SELECT SUM(IF(g.id_gender IS NOT NULL, 1, 0)) as total, SUM(IF(type = 0, 1, 0)) as male, SUM(IF(type = 1, 1, 0)) as female, SUM(IF(type = 2, 1, 0)) as neutral
		FROM `'._DB_PREFIX_.'customer` c
		LEFT JOIN `'._DB_PREFIX_.'gender` g ON c.id_gender = g.id_gender
		WHERE c.active = 1 '.Shop::addSqlRestriction());

        if (!$row['total']) {
            return false;
        } elseif ($row['male'] > $row['female'] && $row['male'] >= $row['neutral']) {
            return array('type' => 'male', 'value' => round(100 * $row['male'] / $row['total']));
        } elseif ($row['female'] >= $row['male'] && $row['female'] >= $row['neutral']) {
            return array('type' => 'female', 'value' => round(100 * $row['female'] / $row['total']));
        }
        return array('type' => 'neutral', 'value' => round(100 * $row['neutral'] / $row['total']));
    }

    public static function getBestCategory($date_from, $date_to)
    {
        return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT ca.`id_category`
		FROM `'._DB_PREFIX_.'category` ca
		LEFT JOIN `'._DB_PREFIX_.'category_product` capr ON ca.`id_category` = capr.`id_category`
		LEFT JOIN (
			SELECT pr.`id_product`, t.`totalPriceSold`
			FROM `'._DB_PREFIX_.'product` pr
			LEFT JOIN (
				SELECT pr.`id_product`,
					IFNULL(SUM(cp.`product_quantity`), 0) AS totalQuantitySold,
					IFNULL(SUM(cp.`product_price` * cp.`product_quantity`), 0) / o.conversion_rate AS totalPriceSold
				FROM `'._DB_PREFIX_.'product` pr
				LEFT OUTER JOIN `'._DB_PREFIX_.'order_detail` cp ON pr.`id_product` = cp.`product_id`
				LEFT JOIN `'._DB_PREFIX_.'orders` o ON o.`id_order` = cp.`id_order`
				WHERE o.invoice_date BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59"
				GROUP BY pr.`id_product`
			) t ON t.`id_product` = pr.`id_product`
		) t	ON t.`id_product` = capr.`id_product`
		WHERE ca.`level_depth` > 1
		GROUP BY ca.`id_category`
		ORDER BY SUM(t.`totalPriceSold`) DESC');
    }

    public static function getMainCountry($date_from, $date_to)
    {
        $total_orders = AdminStatsController::getOrders($date_from, $date_to);
        if (!$total_orders) {
            return false;
        }
        $row = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
		SELECT hbd.id_country, COUNT(*) as orders
		FROM `'._DB_PREFIX_.'orders` o
		LEFT JOIN `'._DB_PREFIX_.'address` hbd ON o.id_address_delivery = hbd.id_address
		WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59"
		'.Shop::addSqlRestriction());
        $row['orders'] = round(100 * $row['orders'] / $total_orders, 1);
        return $row;
    }

    public static function getAverageCustomerAge()
    {
        $value = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
		SELECT AVG(DATEDIFF("'.date('Y-m-d').' 00:00:00", birthday))
		FROM `'._DB_PREFIX_.'customer` c
		WHERE active = 1
		AND birthday IS NOT NULL AND birthday != "0000-00-00" '.Shop::addSqlRestriction());
        return round($value / 365);
    }

    public static function getPendingMessages()
    {
        return CustomerThread::getTotalCustomerThreads('status LIKE "%pending%" OR status = "open"'.Shop::addSqlRestriction());
    }

    public static function getAverageMessageResponseTime($date_from, $date_to)
    {
        $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
		SELECT MIN(cm1.date_add) as question, MIN(cm2.date_add) as reply
		FROM `'._DB_PREFIX_.'customer_message` cm1
		INNER JOIN `'._DB_PREFIX_.'customer_message` cm2 ON (cm1.id_customer_thread = cm2.id_customer_thread AND cm1.date_add < cm2.date_add)
		JOIN `'._DB_PREFIX_.'customer_thread` ct ON (cm1.id_customer_thread = ct.id_customer_thread)
		WHERE cm1.`date_add` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59"
		AND cm1.id_employee = 0 AND cm2.id_employee != 0
		'.Shop::addSqlRestriction().'
		GROUP BY cm1.id_customer_thread');
        $total_questions = $total_replies = $threads = 0;
        foreach ($result as $row) {
            ++$threads;
            $total_questions += strtotime($row['question']);
            $total_replies += strtotime($row['reply']);
        }
        if (!$threads) {
            return 0;
        }
        return round(($total_replies - $total_questions) / $threads / 3600, 1);
    }

    public static function getMessagesPerThread($date_from, $date_to)
    {
        $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->executeS('
		SELECT COUNT(*) as messages
		FROM `'._DB_PREFIX_.'customer_thread` ct
		LEFT JOIN `'._DB_PREFIX_.'customer_message` cm ON (ct.id_customer_thread = cm.id_customer_thread)
		WHERE ct.`date_add` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59"
		'.Shop::addSqlRestriction().'
		AND status = "closed"
		GROUP BY ct.id_customer_thread');
        $threads = $messages = 0;
        foreach ($result as $row) {
            ++$threads;
            $messages += $row['messages'];
        }
        if (!$threads) {
            return 0;
        }
        return round($messages / $threads, 1);
    }

    public static function getPurchases($date_from, $date_to, $granularity = false)
    {
        if ($granularity == 'day') {
            $purchases = array();
            $result = Db::getInstance(_PS_USE_SQL_SLAVE_)->ExecuteS('
			SELECT
				LEFT(`invoice_date`, 10) as date,
				SUM(od.`product_quantity` * IF(
					od.`purchase_supplier_price` > 0,
					od.`purchase_supplier_price` / `conversion_rate`,
					od.`original_product_price` * '.(int)Configuration::get('CONF_AVERAGE_PRODUCT_MARGIN').' / 100
				)) as total_purchase_price
			FROM `'._DB_PREFIX_.'orders` o
			LEFT JOIN `'._DB_PREFIX_.'order_detail` od ON o.id_order = od.id_order
			LEFT JOIN `'._DB_PREFIX_.'order_state` os ON o.current_state = os.id_order_state
			WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59" AND os.logable = 1
			'.Shop::addSqlRestriction(false, 'o').'
			GROUP BY LEFT(`invoice_date`, 10)');
            foreach ($result as $row) {
                $purchases[strtotime($row['date'])] = $row['total_purchase_price'];
            }
            return $purchases;
        } else {
            return Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
			SELECT SUM(od.`product_quantity` * IF(
				od.`purchase_supplier_price` > 0,
				od.`purchase_supplier_price` / `conversion_rate`,
				od.`original_product_price` * '.(int)Configuration::get('CONF_AVERAGE_PRODUCT_MARGIN').' / 100
			)) as total_purchase_price
			FROM `'._DB_PREFIX_.'orders` o
			LEFT JOIN `'._DB_PREFIX_.'order_detail` od ON o.id_order = od.id_order
			LEFT JOIN `'._DB_PREFIX_.'order_state` os ON o.current_state = os.id_order_state
			WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59" AND os.logable = 1
			'.Shop::addSqlRestriction(false, 'o'));
        }
    }

    public static function getExpenses($date_from, $date_to, $granularity = false)
    {
        $expenses = ($granularity == 'day' ? array() : 0);

        $orders = Db::getInstance()->ExecuteS('
		SELECT
			LEFT(`invoice_date`, 10) as date,
			total_paid_tax_incl / o.conversion_rate as total_paid_tax_incl,
			total_shipping_tax_excl / o.conversion_rate as total_shipping_tax_excl,
			o.module,
			hbd.id_country,
			o.id_currency,
			c.id_reference as carrier_reference
		FROM `'._DB_PREFIX_.'orders` o
		LEFT JOIN `'._DB_PREFIX_.'address` hbd ON o.id_address_delivery = hbd.id_address
		LEFT JOIN `'._DB_PREFIX_.'carrier` c ON o.id_carrier = c.id_carrier
		LEFT JOIN `'._DB_PREFIX_.'order_state` os ON o.current_state = os.id_order_state
		WHERE `invoice_date` BETWEEN "'.pSQL($date_from).' 00:00:00" AND "'.pSQL($date_to).' 23:59:59" AND os.logable = 1
		'.Shop::addSqlRestriction(false, 'o'));
        foreach ($orders as $order) {
            // Add flat fees for this order
            $flat_fees = Configuration::get('CONF_ORDER_FIXED') + (
                $order['id_currency'] == Configuration::get('PS_CURRENCY_DEFAULT')
                    ? Configuration::get('CONF_'.strtoupper($order['module']).'_FIXED')
                    : Configuration::get('CONF_'.strtoupper($order['module']).'_FIXED_FOREIGN')
                );

            // Add variable fees for this order
            $var_fees = $order['total_paid_tax_incl'] * (
                $order['id_currency'] == Configuration::get('PS_CURRENCY_DEFAULT')
                    ? Configuration::get('CONF_'.strtoupper($order['module']).'_VAR')
                    : Configuration::get('CONF_'.strtoupper($order['module']).'_VAR_FOREIGN')
                ) / 100;

            // Add shipping fees for this order
            $shipping_fees = $order['total_shipping_tax_excl'] * (
                $order['id_country'] == Configuration::get('PS_COUNTRY_DEFAULT')
                    ? Configuration::get('CONF_'.strtoupper($order['carrier_reference']).'_SHIP')
                    : Configuration::get('CONF_'.strtoupper($order['carrier_reference']).'_SHIP_OVERSEAS')
                ) / 100;

            // Tally up these fees
            if ($granularity == 'day') {
                if (!isset($expenses[strtotime($order['date'])])) {
                    $expenses[strtotime($order['date'])] = 0;
                }
                $expenses[strtotime($order['date'])] += $flat_fees + $var_fees + $shipping_fees;
            } else {
                $expenses += $flat_fees + $var_fees + $shipping_fees;
            }
        }
        return $expenses;
    }

    public function displayAjaxGetKpi()
    {
        $value = $this->getLatestKpiValue(Tools::getValue('kpi'));
        if ($value !== false) {
            $array = array('value' => $value);
            if (isset($data)) {
                $array['data'] = $data;
            }
            die(json_encode($array));
        }
        die(json_encode(array('has_errors' => true)));
    }

    public function getLatestKpiValue($kpi)
    {
        $currency = new Currency(Configuration::get('PS_CURRENCY_DEFAULT'));
        $value = false;
        switch ($kpi) {
            case 'conversion_rate':
                $visitors = AdminStatsController::getVisits(true, date('Y-m-d', strtotime('-31 day')), date('Y-m-d', strtotime('-1 day')), false /*'day'*/);
                $orders = AdminStatsController::getOrders(date('Y-m-d', strtotime('-31 day')), date('Y-m-d', strtotime('-1 day')), false /*'day'*/);

                // $data = array();
                // $from = strtotime(date('Y-m-d 00:00:00', strtotime('-31 day')));
                // $to = strtotime(date('Y-m-d 23:59:59', strtotime('-1 day')));
                // for ($date = $from; $date <= $to; $date = strtotime('+1 day', $date))
                    // if (isset($visitors[$date]) && $visitors[$date])
                        // $data[$date] = round(100 * ((isset($orders[$date]) && $orders[$date]) ? $orders[$date] : 0) / $visitors[$date], 2);
                    // else
                        // $data[$date] = 0;

                $visits_sum = $visitors; //array_sum($visitors);
                $orders_sum = $orders; //array_sum($orders);
                if ($visits_sum) {
                    $value = round(100 * $orders_sum / $visits_sum, 2);
                } elseif ($orders_sum) {
                    $value = '&infin;';
                } else {
                    $value = 0;
                }
                $value .= '%';

                // ConfigurationKPI::updateValue('CONVERSION_RATE_CHART', Tools::jsonEncode($data));
                break;

            case 'abandoned_cart':
                $value = AdminStatsController::getAbandonedCarts(date('Y-m-d H:i:s', strtotime('-2 day')), date('Y-m-d H:i:s', strtotime('-1 day')));
                break;

            case 'installed_modules':
                $value = AdminStatsController::getInstalledModules();
                break;

            case 'disabled_modules':
                $value = AdminStatsController::getDisabledModules();
                break;

            case 'update_modules':
                $value = AdminStatsController::getModulesToUpdate();
                break;

            case 'percent_product_stock':
                $value = AdminStatsController::getPercentProductStock();
                ConfigurationKPI::updateValue('PERCENT_PRODUCT_STOCK', $value);
                ConfigurationKPI::updateValue('PERCENT_PRODUCT_STOCK_EXPIRE', strtotime('+4 hour'));
                break;

            case 'percent_product_out_of_stock':
                $value = AdminStatsController::getPercentProductOutOfStock();
                ConfigurationKPI::updateValue('PERCENT_PRODUCT_OUT_OF_STOCK', $value);
                ConfigurationKPI::updateValue('PERCENT_PRODUCT_OUT_OF_STOCK_EXPIRE', strtotime('+4 hour'));
                break;

            case 'product_avg_gross_margin':
                $value = AdminStatsController::getProductAverageGrossMargin();
                break;

            case 'disabled_categories':
                $value = AdminStatsController::getDisabledCategories();
                break;

            case 'disabled_products':
                $value = round(100 * AdminStatsController::getDisabledProducts() / AdminStatsController::getTotalProducts(), 2).'%';
                break;

            case '8020_sales_catalog':
                $value = AdminStatsController::get8020SalesCatalog(date('Y-m-d', strtotime('-30 days')), date('Y-m-d'));
                $value = sprintf($this->l('%d%% of your Catalog'), $value);
                break;

            case 'empty_categories':
                $value = AdminStatsController::getEmptyCategories();
                break;

            case 'customer_main_gender':
                $value = AdminStatsController::getCustomerMainGender();

                if ($value === false) {
                    $value = $this->l('No customers', null, null, false);
                } elseif ($value['type'] == 'female') {
                    $value = sprintf($this->l('%d%% Female Customers', null, null, false), $value['value']);
                } elseif ($value['type'] == 'male') {
                    $value = sprintf($this->l('%d%% Male Customers', null, null, false), $value['value']);
                } else {
                    $value = sprintf($this->l('%d%% Neutral Customers', null, null, false), $value['value']);
                }

                break;

            case 'avg_customer_age':
                $value = sprintf($this->l('%d years', null, null, false), AdminStatsController::getAverageCustomerAge(), 1);
                break;

            case 'pending_messages':
                $value = (int)AdminStatsController::getPendingMessages();
                break;

            case 'avg_msg_response_time':
                $value = sprintf($this->l('%.1f hours', null, null, false), AdminStatsController::getAverageMessageResponseTime(date('Y-m-d', strtotime('-31 day')), date('Y-m-d', strtotime('-1 day'))));
                break;

            case 'messages_per_thread':
                $value = round(AdminStatsController::getMessagesPerThread(date('Y-m-d', strtotime('-31 day')), date('Y-m-d', strtotime('-1 day'))), 1);
                break;

            case 'newsletter_registrations':
                $value = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
                SELECT COUNT(*)
                FROM `'._DB_PREFIX_.'customer`
                WHERE newsletter = 1
                '.Shop::addSqlRestriction(Shop::SHARE_ORDER));
                if (Module::isInstalled('blocknewsletter')) {
                    $value += Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
                    SELECT COUNT(*)
                    FROM `'._DB_PREFIX_.'newsletter`
                    WHERE active = 1
                    '.Shop::addSqlRestriction(Shop::SHARE_ORDER));
                }

                break;

            case 'enabled_languages':
                $value = Language::countActiveLanguages();
                break;

            case 'frontoffice_translations':
                $themes = Theme::getThemes();
                $languages = Language::getLanguages();
                $total = $translated = 0;
                foreach ($themes as $theme) {
                    /** @var Theme $theme */
                    foreach ($languages as $language) {
                        $kpi_key = substr(strtoupper($theme->name.'_'.$language['iso_code']), 0, 16);
                        $total += ConfigurationKPI::get('TRANSLATE_TOTAL_'.$kpi_key);
                        $translated += ConfigurationKPI::get('TRANSLATE_DONE_'.$kpi_key);
                    }
                }
                $value = 0;
                if ($translated) {
                    $value = round(100 * $translated / $total, 1);
                }
                $value .= '%';
                break;

            case 'main_country':
                if (!($row = AdminStatsController::getMainCountry(date('Y-m-d', strtotime('-30 day')), date('Y-m-d')))) {
                    $value = $this->l('No orders', null, null, false);
                } else {
                    $country = new Country($row['id_country'], $this->context->language->id);
                    $value = sprintf($this->l('%d%% %s', null, null, false), $row['orders'], $country->name);
                }

                break;

            case 'orders_per_customer':
                $value = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
                SELECT COUNT(*)
                FROM `'._DB_PREFIX_.'customer` c
                WHERE c.active = 1
                '.Shop::addSqlRestriction());
                if ($value) {
                    $orders = Db::getInstance(_PS_USE_SQL_SLAVE_)->getValue('
                    SELECT COUNT(*)
                    FROM `'._DB_PREFIX_.'orders` o
                    WHERE o.valid = 1
                    '.Shop::addSqlRestriction());
                    $value = round($orders / $value, 2);
                }

                break;

            case 'average_order_value':
                $row = Db::getInstance(_PS_USE_SQL_SLAVE_)->getRow('
                SELECT
                    COUNT(`id_order`) as orders,
                    SUM(`total_paid_tax_excl` / `conversion_rate`) as total_paid_tax_excl
                FROM `'._DB_PREFIX_.'orders`
                WHERE `invoice_date` BETWEEN "'.pSQL(date('Y-m-d', strtotime('-31 day'))).' 00:00:00" AND "'.pSQL(date('Y-m-d', strtotime('-1 day'))).' 23:59:59"
                '.Shop::addSqlRestriction());
                $value = Tools::displayPrice($row['orders'] ? $row['total_paid_tax_excl'] / $row['orders'] : 0, $currency);
                break;

            case 'netprofit_visit':
                $date_from = date('Y-m-d', strtotime('-31 day'));
                $date_to = date('Y-m-d', strtotime('-1 day'));

                $total_visitors = AdminStatsController::getVisits(false, $date_from, $date_to);
                $net_profits = AdminStatsController::getTotalSales($date_from, $date_to);
                $net_profits -= AdminStatsController::getExpenses($date_from, $date_to);
                $net_profits -= AdminStatsController::getPurchases($date_from, $date_to);

                if ($total_visitors) {
                    $value = Tools::displayPrice($net_profits / $total_visitors, $currency);
                } elseif ($net_profits) {
                    $value = '&infin;';
                } else {
                    $value = Tools::displayPrice(0, $currency);
                }

                break;

            case 'products_per_category':
                $products = AdminStatsController::getTotalProducts();
                $categories = AdminStatsController::getTotalCategories();
                $value = round($products / $categories);
                break;

            case 'top_category':
                if (!($id_category = AdminStatsController::getBestCategory(date('Y-m-d', strtotime('-1 month')), date('Y-m-d')))) {
                    $value = $this->l('No category', null, null, false);
                } else {
                    $category = new Category($id_category, $this->context->language->id);
                    $value = $category->name;
                }

                break;
            default:
                $value = false;
        }
        return $value;
    }

    public static function getArrivalsByDate($date, $idHotel = false)
    {
        $totalArrivals = Db::getInstance()->getValue(
            'SELECT COUNT(hbd.`id_room`)
            FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
            WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
            AND hbd.`date_from` BETWEEN "'.pSQL($date).' 00:00:00" AND "'.pSQL($date).' 23:59:59"'.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );

        $arrived = Db::getInstance()->getValue(
            'SELECT COUNT(hbd.`id_room`)
            FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
            WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
            AND hbd.`date_from` BETWEEN "'.pSQL($date).' 00:00:00" AND "'.pSQL($date).' 23:59:59"
            AND hbd.`id_status` = '.(int) HotelBookingDetail::STATUS_CHECKED_IN.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );

        return array('arrived' => $arrived, 'total_arrivals' => $totalArrivals);
    }

    public static function getDeparturesByDate($date, $idHotel = false)
    {
        $totalDepartures = Db::getInstance()->getValue(
            'SELECT COUNT(hbd.`id_room`)
            FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
            WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
            AND hbd.`id_status` = '.(int) HotelBookingDetail::STATUS_CHECKED_IN.'
            AND hbd.`date_to` BETWEEN "'.pSQL($date).' 00:00:00" AND "'.pSQL($date).' 23:59:59"'.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );

        $departed = Db::getInstance()->getValue(
            'SELECT COUNT(hbd.`id_room`)
            FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
            WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
            AND hbd.`date_to` BETWEEN "'.pSQL($date).' 00:00:00" AND "'.pSQL($date).' 23:59:59"
            AND hbd.`id_status` = '.(int) HotelBookingDetail::STATUS_CHECKED_OUT.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );

        return array('departed' => $departed, 'total_departures' => $totalDepartures);
    }

    public static function getBookingsByDate($date, $idHotel = false)
    {
        return Db::getInstance()->getValue(
            'SELECT COUNT(DISTINCT hbd.`id_order`)
            FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
            WHERE hbd.`date_add` BETWEEN "'.pSQL($date).' 00:00:00" AND "'.pSQL($date).' 23:59:59"'.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );
    }

    public static function getStayOversByDate($date, $idHotel = false)
    {
        return Db::getInstance()->getValue(
            'SELECT COUNT(hbd.`id_room`)
            FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
            WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
            AND hbd.`id_status` = '.(int) HotelBookingDetail::STATUS_CHECKED_IN.'
            AND hbd.`date_to` > "'.pSQL($date).' 00:00:00"'.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );
    }

    public static function getCancelledBookingsByDate($date, $idHotel = false)
    {
        return Db::getInstance()->getValue(
            'SELECT COUNT(o.`id_order`)
            FROM `'._DB_PREFIX_.'orders` o
            LEFT JOIN `'._DB_PREFIX_.'order_state` os ON (os.`id_order_state` = o.`current_state`)
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
            WHERE o.`date_upd` BETWEEN "'.pSQL($date).' 00:00:00" AND "'.pSQL($date).' 23:59:59"
            AND o.`current_state` = '.(int) Configuration::get('PS_OS_CANCELED').
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );
    }

    public static function getGuestsByDate($date, $idHotel = false)
    {
        return Db::getInstance()->getRow(
            'SELECT SUM(hbd.`adult`) AS `adults`, SUM(hbd.`children`) AS `children`
            FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
            WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
            AND hbd.`date_from` BETWEEN "'.pSQL($date).' 00:00:00" AND "'.pSQL($date).' 23:59:59"'.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );
    }

    public static function getTotalRooms($idHotel = false)
    {
        return Db::getInstance()->getValue(
            'SELECT COUNT(`id`) FROM `'._DB_PREFIX_.'htl_room_information` hri
            WHERE 1'.HotelBranchInformation::addHotelRestriction($idHotel, 'hri')
        );
    }

    public static function getOccupancyData($dateFrom, $dateTo, $idsHotel = false)
    {
        $occupancyData = array('count_total' => 0, 'count_occupied' => 0, 'count_available' => 0, 'count_unavailable' => 0);

        $countTotal = Db::getInstance()->getValue(
            'SELECT COUNT(hri.`id`)
            FROM `'._DB_PREFIX_.'htl_room_information` hri
            INNER JOIN `'._DB_PREFIX_.'htl_branch_info` hbi
            ON (hbi.`id` = hri.`id_hotel`)
            LEFT JOIN `'._DB_PREFIX_.'product` p
            ON (p.`id_product` = hri.`id_product`)
            WHERE p.`active` = 1'.
            HotelBranchInformation::addHotelRestriction($idsHotel, 'hri')
        );
        $occupancyData['count_total'] = $countTotal;

        $countOccupied = 0;
        if ($dateFrom != $dateTo) {
            $countOccupied = Db::getInstance()->getValue(
                'SELECT COUNT(DISTINCT hbd.`id_room`)
                FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
                LEFT JOIN `'._DB_PREFIX_.'htl_room_information` hri
                ON (hri.`id` = hbd.`id_room`)
                LEFT JOIN `'._DB_PREFIX_.'product` p
                ON (p.`id_product` = hri.`id_product`)
                WHERE p.`active` = 1
                AND hbd.`date_from` < "'.pSQL($dateTo).' 00:00:00" AND hbd.`date_to` > "'.pSQL($dateFrom).' 00:00:00"'.
                HotelBranchInformation::addHotelRestriction($idsHotel, 'hbd')
            );
        } else {
            $countOccupied = Db::getInstance()->getValue(
                'SELECT COUNT(DISTINCT hbd.`id_room`)
                FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
                LEFT JOIN `'._DB_PREFIX_.'htl_room_information` hri
                ON (hri.`id` = hbd.`id_room`)
                LEFT JOIN `'._DB_PREFIX_.'product` p
                ON (p.`id_product` = hri.`id_product`)
                WHERE p.`active` = 1
                AND hbd.`date_from` <= "'.pSQL($dateFrom).' 00:00:00" AND hbd.`date_to` > "'.pSQL($dateFrom).' 00:00:00"'.
                HotelBranchInformation::addHotelRestriction($idsHotel, 'hbd')
            );
        }
        $occupancyData['count_occupied'] = $countOccupied;

        $countUnavailable = Db::getInstance()->getValue(
            'SELECT COUNT(hri.`id`)
            FROM `'._DB_PREFIX_.'htl_room_information` hri
            INNER JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd
            ON (hbd.`id` = hri.`id_hotel`)
            LEFT JOIN `'._DB_PREFIX_.'product` p
            ON (p.`id_product` = hri.`id_product`)
            WHERE p.`active` = 1
            AND hri.`id_status` != '.(int) HotelRoomInformation::STATUS_ACTIVE.
            HotelBranchInformation::addHotelRestriction($idsHotel, 'hbd')
        );
        $occupancyData['count_unavailable'] = $countUnavailable;

        $occupancyData['count_available'] = $countTotal - $countOccupied - $countUnavailable;

        return $occupancyData;
    }

    public static function getAvailBarChartData($days, $dateFrom, $idHotel = null)
    {

        $availability_data = array();
        $from = date('Y-m-d' ,strtotime($dateFrom." 00:00:00"));
		$to = date('Y-m-d' ,strtotime($dateFrom."+".$days." day 23:59:59"));

        for ($date = $from; $date < $to; $date = date('Y-m-d', strtotime('+1 day', strtotime($date)))) {
            $bookedRoomSql = 'SELECT hri.`id` FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
            LEFT JOIN  `'._DB_PREFIX_.'htl_room_information` hri ON hbd.`id_room` = hri.`id`
            WHERE hbd.`date_from` <= "'.pSQL($date).' 00:00:00"
            AND hbd.`date_to` >= "'.pSQL(date('Y-m-d ', strtotime('+1 day', strtotime($date)))).' 00:00:00"
            AND hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0'.
            (!is_null($idHotel) ? HotelBranchInformation::addHotelRestriction($idHotel, 'hbd') : '');

            $tempBookedRoomIds = Db::getInstance()->ExecuteS($bookedRoomSql);
            $bookedRoomIds = array();
            if (count($tempBookedRoomIds)) {
                foreach ($tempBookedRoomIds as $value) {
                   if ($value['id']) {
                       $bookedRoomIds[] = $value['id'];
                   }
                }
            } else {
                $bookedRoomIds[] = "0";
            }

            $availRoomSql = 'SELECT COUNT("id") FROM `'._DB_PREFIX_.'htl_room_information` hri
            WHERE hri.`id` NOT IN ('.implode(',', $bookedRoomIds).')
            AND hri.`id_status` != '.(int) HotelRoomInformation::STATUS_INACTIVE.'
            AND hri.`id_status` != '.(int) HotelRoomInformation::STATUS_TEMPORARY_INACTIVE.
            (!is_null($idHotel) ? HotelBranchInformation::addHotelRestriction($idHotel, 'hri') : '');
            $availRoomIds = Db::getInstance()->getValue($availRoomSql);

            $availability_data["values"][] = array(strtotime($date), sprintf("%02d", $availRoomIds));
        }

        return $availability_data;
    }

    public static function getAverageDailyRate($dateFrom, $dateTo, $idHotel = false)
    {
        $result = Db::getInstance()->getRow(
            'SELECT
                SUM(hbd.`total_price_tax_excl`) AS `rooms_revenue`,
                COUNT(hbd.`id_room`) AS `room_sold`
            FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
            WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
            AND hbd.`date_add` BETWEEN "'.pSQL($dateFrom).' 00:00:00" AND "'.pSQL($dateTo).' 23:59:59"'.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );
        return Tools::displayPrice($result['rooms_revenue'] ? $result['rooms_revenue'] / $result['room_sold'] : 0);
    }

    public static function getCancellationRate($dateFrom, $dateTo, $idHotel = false)
    {
        $numAllOrders = Db::getInstance()->getValue(
            'SELECT COUNT(o.`id_order`) FROM `'._DB_PREFIX_.'orders` o
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
            WHERE o.`date_add` BETWEEN "'.pSQL($dateFrom).' 00:00:00" AND "'.pSQL($dateTo).' 23:59:59"'.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );

        $numCancelledOrders = Db::getInstance()->getValue(
            'SELECT COUNT(o.`id_order`) FROM `'._DB_PREFIX_.'orders` o
            LEFT JOIN `'._DB_PREFIX_.'order_state` os ON (os.`id_order_state` = o.`current_state`)
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
            WHERE o.`date_add` BETWEEN "'.pSQL($dateFrom).' 00:00:00" AND "'.pSQL($dateTo).' 23:59:59"
            AND o.`current_state` = '.(int)Configuration::get('PS_OS_CANCELED').
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );

        if ($numCancelledOrders != 0) {
            return round(($numCancelledOrders / $numAllOrders) * 100, 2).'%';
        } else {
            return '0.00%';
        }
    }

    public static function getRevenue($dateFrom, $dateTo, $idHotel = false)
    {
        $result = Db::getInstance()->getValue(
            'SELECT (SUM(o.`total_paid_tax_excl` / o.`conversion_rate`) - SUM(orr.`refunded_amount`))
            FROM `'._DB_PREFIX_.'orders` o
            LEFT JOIN `' ._DB_PREFIX_.'order_return` orr ON orr.`id_order` = o.`id_order`
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
            WHERE o.`invoice_date` BETWEEN "'.pSQL($dateFrom).' 00:00:00" AND "'.pSQL($dateTo).' 23:59:59"'.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );

        return Tools::displayPrice($result ? $result : 0);
    }

    public static function getNightsStayed($dateFrom, $dateTo, $idHotel = false)
    {
        $dateFrom = date('Y-m-d H:i:s', strtotime($dateFrom));
        $dateTo = date('Y-m-d H:i:s', strtotime($dateTo));
        return Db::getInstance()->getValue(
            'SELECT IFNULL(SUM(DATEDIFF(
                IF (hbd.`id_status` = '.(int) HotelBookingDetail::STATUS_CHECKED_OUT.', IF ("'.$dateTo.'" > check_out, check_out, "'.$dateTo.'"), IF ("'.$dateTo.'" > date_to, date_to, "'.$dateTo.'")),
                IF (hbd.`id_status` = '.(int) HotelBookingDetail::STATUS_CHECKED_OUT.', IF("'.$dateFrom.'" < check_in, check_in, "'.$dateFrom.'"), IF("'.$dateFrom.'" < date_from, date_from, "'.$dateFrom.'"))
            )), 0)
            FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
            WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0 AND
            (IF (hbd.`id_status` = '.(int) HotelBookingDetail::STATUS_CHECKED_OUT.',
                (hbd.`check_in` < \''.pSQL($dateTo).'\' AND hbd.`check_out` >= \''.pSQL($dateFrom).'\'),
                (hbd.`date_from` < \''.pSQL($dateTo).'\' AND hbd.`date_to` >= \''.pSQL($dateFrom).'\')
            ))'.
            HotelBranchInformation::addHotelRestriction($idHotel, 'hbd')
        );
    }

    public static function getRecentOrdersByHotel($idHotel = null, $limit = null)
    {
        return Db::getInstance()->executeS(
            'SELECT *, (
                SELECT osl.`name`
                FROM `'._DB_PREFIX_.'order_state_lang` osl
                WHERE osl.`id_order_state` = o.`current_state`
                AND osl.`id_lang` = '.(int) Context::getContext()->language->id.'
                LIMIT 1
            ) AS `state_name`, o.`date_add` AS `date_add`, o.`date_upd` AS `date_upd`
            FROM `'._DB_PREFIX_.'orders` o
            LEFT JOIN `'._DB_PREFIX_.'customer` c ON (c.`id_customer` = o.`id_customer`)
            LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id_order` = o.`id_order`)
            WHERE 1'.HotelBranchInformation::addHotelRestriction($idHotel, 'hbd').'
            GROUP BY o.`id_order`
            ORDER BY o.`date_add` DESC'.
            ((int) $limit ? ' LIMIT 0, '.(int) $limit : '')
        );
    }

    public static function getArrivalsInfoByDate($date, $idHotel = null)
    {
        $sql = 'SELECT hbd.*, CONCAT(c.`firstname`, " ", c.`lastname`) AS customer_name,
        DATEDIFF(hbd.`date_to`, hbd.`date_from`) AS los
        FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
        LEFT JOIN `'._DB_PREFIX_.'customer` c ON (c.`id_customer` = hbd.`id_customer`)
        WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
        AND hbd.`date_from` = "'.pSQL($date).' 00:00:00"
        AND hbd.`id_status` != '.(int) HotelBookingDetail::STATUS_CHECKED_IN.'
        AND hbd.`id_status` != '.(int) HotelBookingDetail::STATUS_CHECKED_OUT.
        (!is_null($idHotel) ? HotelBranchInformation::addHotelRestriction($idHotel, 'hbd') : '');
        $result = Db::getInstance()->executeS($sql);

        return $result;
    }

    public static function getDeparturesInfoByDate($date, $idHotel = null)
    {
        $sql = 'SELECT hbd.*, CONCAT(c.`firstname`, " ", c.`lastname`) AS customer_name,
        DATEDIFF(hbd.`date_to`, hbd.`date_from`) AS los
        FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
        LEFT JOIN `'._DB_PREFIX_.'customer` c ON (c.`id_customer` = hbd.`id_customer`)
        WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
        AND hbd.`date_to` = "'.pSQL($date).' 00:00:00"
        AND hbd.`id_status` = '.(int) HotelBookingDetail::STATUS_CHECKED_IN.'
        AND hbd.`id_status` != '.(int) HotelBookingDetail::STATUS_CHECKED_OUT.
        (!is_null($idHotel) ? HotelBranchInformation::addHotelRestriction($idHotel, 'hbd') : '');
        $result = Db::getInstance()->executeS($sql);

        return $result;
    }

    public static function getInHouseInfoByDate($date, $idHotel = null)
    {
        $sql = 'SELECT hbd.*, CONCAT(c.`firstname`, " ", c.`lastname`) AS customer_name,
        DATEDIFF(hbd.`date_to`, hbd.`date_from`) AS los
        FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
        LEFT JOIN `'._DB_PREFIX_.'customer` c ON (c.`id_customer` = hbd.`id_customer`)
        WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
        AND hbd.`id_status` = '.(int) HotelBookingDetail::STATUS_CHECKED_IN.'
        AND hbd.`id_status` != '.(int) HotelBookingDetail::STATUS_CHECKED_OUT.
        (!is_null($idHotel) ? HotelBranchInformation::addHotelRestriction($idHotel, 'hbd') : '');
        $result = Db::getInstance()->executeS($sql);

        return $result;
    }

    public static function getNewBookingsInfoByDate($date, $idHotel = null)
    {
        $sql = 'SELECT hbd.`id_customer`, CONCAT(c.`firstname`, " ", c.`lastname`) AS customer_name,
        COUNT(hbd.`id`) AS total_rooms, SUM(hbd.`adult` + hbd.`children`) AS total_guests,
        hbd.`id_hotel`, hbd.`hotel_name`, hbd.`id_order`, o.`total_paid_tax_excl`, o.`id_currency`, osl.`name` AS `state_name`
        FROM `'._DB_PREFIX_.'htl_booking_detail` hbd
        LEFT JOIN `'._DB_PREFIX_.'orders` o ON (o.`id_order` = hbd.`id_order`)
        LEFT JOIN `'._DB_PREFIX_.'order_state_lang` osl
        ON (osl.`id_order_state` = o.`current_state` AND osl.`id_lang` = '.(int) Context::getContext()->language->id.')
        LEFT JOIN `'._DB_PREFIX_.'customer` c ON (c.`id_customer` = hbd.`id_customer`)
        WHERE hbd.`is_refunded` = 0 AND hbd.`is_back_order` = 0
        AND hbd.`date_add` BETWEEN "'.pSQL($date).' 00:00:00" AND "'.pSQL($date).' 23:59:59"'.
        (!is_null($idHotel) ? HotelBranchInformation::addHotelRestriction($idHotel, 'hbd') : '').'
        GROUP BY hbd.`id_order`';
        $result = Db::getInstance()->executeS($sql);

        return $result;
    }

    public static function getCancellationsInfoByDate($date, $idHotel = null)
    {
        $sql = 'SELECT orr.`id_customer`, hbd.`room_num`, hbd.`id_product`, hbd.`room_type_name`,
        CONCAT(c.`firstname`, " ", c.`lastname`) AS customer_name,
        hbd.`id_hotel`, hbd.`hotel_name`, SUM(hbd.`adult` + hbd.`children`) AS total_guests,
        hbd.`date_from`, hbd.`date_to`, orr.`id_order`,
        o.`total_paid_tax_excl`, o.`id_currency`, orsl.`name` AS `state_name`
        FROM `'._DB_PREFIX_.'order_return` orr
        LEFT JOIN `'._DB_PREFIX_.'order_return_detail` ord ON (ord.`id_order_return` = orr.`id_order_return`)
        LEFT JOIN `'._DB_PREFIX_.'orders` o ON (o.`id_order` = orr.`id_order`)
        LEFT JOIN `'._DB_PREFIX_.'htl_booking_detail` hbd ON (hbd.`id` = ord.`id_htl_booking`)
        LEFT JOIN `'._DB_PREFIX_.'order_return_state_lang` orsl
        ON (orsl.`id_order_return_state` = orr.`state` AND orsl.`id_lang` = '.(int) Context::getContext()->language->id.')
        LEFT JOIN `'._DB_PREFIX_.'customer` c ON (c.`id_customer` = orr.`id_customer`)
        WHERE orr.`date_add` BETWEEN "'.pSQL($date).' 00:00:00" AND "'.pSQL($date).' 23:59:59"'.
        (!is_null($idHotel) ? HotelBranchInformation::addHotelRestriction($idHotel, 'hbd') : '').'
        GROUP BY orr.`id_order_return`';
        $result = Db::getInstance()->executeS($sql);

        return $result;
    }
}