DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`supplierPackaging_ReportSource`(
	vFromDated DATE,
	vSupplierFk INT
)
BEGIN
/**
* Selecciona los embalajes de un proveedor a partir de una fecha
*
* @param vFromDated Fecha de la que partir
* @param vSupplierFk Id del proveedor
*/
	SET @vBalance = 0;
	SET @vItemFk = NULL;

	CREATE OR REPLACE TEMPORARY TABLE tSupplierPackaging
		SELECT supplierFk,
				itemFk,
				longName,
				supplier,
				entryFk,
				landed,
				`in`,
				`out`,
				warehouse,
				buyingValue,
				IF (
					NOT (@vItemFk <=> sub.itemFk),
					@vBalance := (`in` - `out`),
					@vBalance := (`in` - `out` + @vBalance)
				) balance,
				@vItemFk := sub.itemFk previousItemFk
			FROM (
				SELECT supplierFk,
						itemFk,
						longName,
						supplier,
						CONCAT('E',entryFk) entryFk,
						landed,
						`in`,
						`out`,
						warehouse,
						buyingValue
					FROM supplierPackaging
					WHERE supplierFk = vSupplierFk
						AND landed >= vFromDated
				UNION ALL
				SELECT vSupplierFk,
						itemFk,
						longName,
						supplier,
						'E previous',
						vFromDated,
						SUM(`in`),
						SUM(`out`),
						NULL,
						AVG(buyingValue)
					FROM supplierPackaging
					WHERE supplierFk = vSupplierFk
						AND landed < vFromDated
					GROUP BY itemFk
				UNION ALL
				SELECT vSupplierFk,
						s.itemFk,
						i.longName,
						c.name,
						CONCAT('T',s.ticketFk),
						DATE(t.shipped),
						-LEAST(s.quantity,0) `in`,
						GREATEST(s.quantity,0) `out`,
						t.warehouseFk,
						s.price * (100 - s.discount) / 100
					FROM sale s
						JOIN item i ON i.id = s.itemFk
						JOIN packaging p ON p.itemFk = i.id
						JOIN ticket t ON t.id = s.ticketFk
						JOIN client c ON c.id = t.clientFk
						JOIN supplier su ON su.nif = c.fi
					WHERE su.id = vSupplierFk
						AND t.shipped >= vFromDated
						AND p.isPackageReturnable
				UNION ALL
				SELECT vSupplierFk,
						s.itemFk,
						i.longName,
						c.name,
						'T previous',
						vFromDated,
						SUM(-LEAST(s.quantity,0)) `in`,
						SUM(GREATEST(s.quantity,0)) `out`,
						NULL,
						AVG(s.price * (100 - s.discount) / 100)
					FROM sale s
						JOIN item i ON i.id = s.itemFk
						JOIN packaging p ON p.itemFk = i.id
						JOIN ticket t ON t.id = s.ticketFk
						JOIN client c ON c.id = t.clientFk
						JOIN supplier su ON su.nif = c.fi
					WHERE su.id = vSupplierFk
						AND t.shipped < vFromDated
						AND p.isPackageReturnable
					GROUP BY s.itemFk
				UNION ALL
				SELECT vSupplierFk,
						p.itemFk,
						i.longName,
						c.name,
						CONCAT('TP',tp.ticketFk),
						DATE(t.shipped),
						-LEAST(tp.quantity,0) `in`,
						GREATEST(tp.quantity,0) `out`,
						t.warehouseFk,
						0
					FROM ticketPackaging tp
						JOIN packaging p ON p.id = tp.packagingFk
						JOIN item i ON i.id = p.itemFk
						JOIN ticket t ON t.id = tp.ticketFk
						JOIN client c ON c.id = t.clientFk
						JOIN supplier su ON su.nif = c.fi
					WHERE su.id = vSupplierFk
						AND t.shipped >= vFromDated
						AND p.isPackageReturnable
				UNION ALL
				SELECT vSupplierFk,
						p.itemFk,
						i.longName,
						c.name,
						'TP previous',
						vFromDated,
						SUM(-LEAST(tp.quantity,0)) `in`,
						SUM(GREATEST(tp.quantity,0)) `out`,
						NULL,
						0
					FROM ticketPackaging tp
						JOIN packaging p ON p.id = tp.packagingFk
						JOIN item i ON i.id = p.itemFk
						JOIN ticket t ON t.id = tp.ticketFk
						JOIN client c ON c.id = t.clientFk
						JOIN supplier su ON su.nif = c.fi
					WHERE su.id = vSupplierFk
						AND t.shipped >= vFromDated
						AND p.isPackageReturnable
					GROUP BY p.itemFk
					ORDER BY itemFk, landed, entryFk
				) sub
			WHERE `out` OR `in`;

	SELECT supplierFk,
			itemFk,
			longName,
			supplier,
			entryFk,
			landed,
			CAST(`in` AS DECIMAL(10,0)) `in`,
			CAST(`out` AS DECIMAL(10,0)) `out`,
			warehouse,
			buyingValue,
			balance
		FROM tSupplierPackaging
		WHERE NOT (NOT balance AND landed < CURDATE() - INTERVAL 1 YEAR);

	DROP TEMPORARY TABLE tSupplierPackaging;
END$$
DELIMITER ;