DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `hedera`.`order_getTax`()
	READS SQL DATA
BEGIN
/**
 * Calcula el IVA, y el recargo de equivalencia de un pedido
 * desglosados por tipos.
 *
 * @param vOrder El identificador del pedido
 * @return tmp.orderTax Bases imponibles, IVA y recargo de equivalencia
 */
	DROP TEMPORARY TABLE IF EXISTS tmp.addressCompany;
	CREATE TEMPORARY TABLE tmp.addressCompany
		(INDEX (addressFk, companyFk))
		ENGINE = MEMORY 
		SELECT DISTINCT o.address_id addressFk, o.company_id companyFk
			FROM tmp.`order` tmpOrder
				JOIN hedera.`order` o ON o.id = tmpOrder.orderFk;

	CALL vn.addressTaxArea;

	-- Calcula el IVA y el recargo desglosado.

	DROP TEMPORARY TABLE IF EXISTS tmp.orderTax;
	CREATE TEMPORARY TABLE tmp.orderTax
		(INDEX (orderFk))
		ENGINE = MEMORY
		SELECT o.id orderFk,
				tc.code,
				SUM(m.amount * m.price) taxableBase,
				pgc.rate
			FROM tmp.`order` tmpOrder
				JOIN `order` o ON o.id = tmpOrder.orderFk
				JOIN orderRow m ON m.orderFk = o.id
				JOIN vn.item i ON i.id = m.itemFk
				JOIN vn.`client` c ON c.id = o.customer_id
				JOIN vn.supplier s ON s.id = o.company_id
				JOIN tmp.addressTaxArea ata
					ON ata.addressFk = o.address_id AND ata.companyFk = o.company_id
				JOIN vn.itemTaxCountry itc
					ON itc.itemFk = i.id AND itc.countryFk = s.countryFk
				JOIN vn.bookingPlanner bp
					ON bp.countryFk = s.countryFk
						AND bp.taxAreaFk = ata.areaFk
						AND bp.taxClassFk = itc.taxClassFk
				JOIN vn.pgc ON pgc.`code` = bp.pgcFk
				JOIN vn.taxClass tc ON tc.id = bp.taxClassFk
			GROUP BY tmpOrder.orderFk, pgc.`code`, pgc.rate
			HAVING taxableBase != 0;
					
	DROP TEMPORARY TABLE IF EXISTS tmp.orderAmount;
	CREATE TEMPORARY TABLE tmp.orderAmount
		(INDEX (orderFk))
		ENGINE = MEMORY
		SELECT orderFk, taxableBase, `code`,
				SUM(CAST(taxableBase * rate / 100 AS DECIMAL(10, 2))) tax
			FROM tmp.orderTax
			GROUP BY orderFk, `code`;
		
	DROP TEMPORARY TABLE tmp.addressTaxArea;
END$$
DELIMITER ;
