DELIMITER $$
CREATE OR REPLACE DEFINER=`vn`@`localhost` PROCEDURE `vn`.`multipleInventory`(
	vDate DATE,
	vWarehouseFk TINYINT,
	vMaxDays TINYINT
)
proc: BEGIN
	DECLARE vDateTomorrow DATE DEFAULT vDate + INTERVAL 1 DAY;
	DECLARE vDateFrom DATE DEFAULT vDate;
	DECLARE vDateTo DATETIME;
	DECLARE vDateToTomorrow DATETIME;
	DECLARE vDefaultDayRange INT;
	DECLARE vCalcFk INT;

	IF vDate < util.VN_CURDATE() THEN
		LEAVE proc;
	END IF;

	IF vDate = util.VN_CURDATE() THEN
		SELECT inventoried INTO vDateFrom
			FROM config;
	END IF;

	SELECT defaultDayRange INTO vDefaultDayRange
		FROM comparativeConfig;

	SET vDateTo = vDate + INTERVAL IFNULL(vMaxDays, vDefaultDayRange) DAY;
	SET vDateToTomorrow = vDateTo + INTERVAL 1 DAY;

	ALTER TABLE tmp.itemInventory
		ADD `avalaible` INT NOT NULL,
		ADD `sd` INT NOT NULL,
		ADD `rest` INT NOT NULL,
		ADD `expected` INT NOT NULL,
		ADD `inventory` INT NOT NULL,
		ADD `visible` INT NOT NULL,
		ADD `life` TINYINT NOT NULL DEFAULT '0';

	-- Calculo del inventario
	CREATE OR REPLACE TEMPORARY TABLE tItemInventoryCalc
		(PRIMARY KEY (itemFk))
		ENGINE = MEMORY
		SELECT itemFk,
				SUM(quantity) quantity
			FROM (
				SELECT s.itemFk, - s.quantity quantity
					FROM sale s
						JOIN ticket t ON t.id = s.ticketFk
						JOIN warehouse w ON w.id = t.warehouseFk
					WHERE t.shipped BETWEEN vDateFrom AND util.dayEnd(vDate)
						AND IFNULL(vWarehouseFk, t.warehouseFk) = t.warehouseFk
						AND w.isComparative
				UNION ALL
				SELECT b.itemFk, b.quantity
					FROM buy b
						JOIN entry e ON e.id = b.entryFk
						JOIN travel t ON t.id = e.travelFk
						JOIN warehouse w ON w.id = t.warehouseInFk
					WHERE t.landed BETWEEN vDateFrom AND util.dayEnd(vDate)
						AND IFNULL(vWarehouseFk, t.warehouseInFk) = t.warehouseInFk
						AND w.isComparative
						AND NOT e.isExcludedFromAvailable
						AND NOT t.daysInForward
				UNION ALL
				SELECT b.itemFk, - b.quantity
					FROM buy b
						JOIN entry e ON e.id = b.entryFk
						JOIN travel t ON t.id = e.travelFk
						JOIN warehouse w ON w.id = t.warehouseOutFk
					WHERE t.shipped BETWEEN vDateFrom AND util.dayEnd(vDate)
						AND IFNULL(vWarehouseFk, t.warehouseOutFk) = t.warehouseOutFk
						AND w.isComparative
						AND NOT e.isExcludedFromAvailable
						AND NOT t.daysInForward
			) sub
			GROUP BY itemFk;

	-- Cálculo del visible
	CALL cache.visible_refresh(vCalcFk, FALSE, vWarehouseFk);

	CREATE OR REPLACE TEMPORARY TABLE tItemVisibleCalc
		(PRIMARY KEY (item_id))
		ENGINE = MEMORY
		SELECT item_id, visible
			FROM cache.visible
			WHERE calc_id = vCalcFk;

	UPDATE tmp.itemInventory it
			LEFT JOIN tItemInventoryCalc iic ON iic.itemFk = it.id
			LEFT JOIN tItemVisibleCalc ivc ON ivc.item_id = it.id
		SET it.inventory = iic.quantity,
			it.visible = ivc.visible,
			it.avalaible = iic.quantity,
			it.sd = iic.quantity;

	-- Calculo del disponible
	CREATE OR REPLACE TEMPORARY TABLE tmp.itemCalc
		(INDEX (itemFk, warehouseFk))
		ENGINE = MEMORY
		SELECT sub.itemFk,
				vWarehouseFk warehouseFk,
				sub.dated,
				SUM(sub.quantity) quantity
			FROM (
				SELECT s.itemFk,
						DATE(t.shipped) dated,
						- s.quantity quantity
					FROM sale s
						JOIN ticket t ON t.id = s.ticketFk
						JOIN warehouse w ON w.id = t.warehouseFk
					WHERE t.shipped BETWEEN vDateTomorrow AND vDateTo
						AND IFNULL(vWarehouseFk, t.warehouseFk) = t.warehouseFk
						AND w.isComparative
				UNION ALL
				SELECT b.itemFk, t.landed, b.quantity
					FROM buy b
						JOIN entry e ON e.id = b.entryFk
						JOIN travel t ON t.id = e.travelFk
						JOIN warehouse w ON w.id = t.warehouseInFk
					WHERE t.landed BETWEEN vDateTomorrow AND vDateTo
						AND IFNULL(vWarehouseFk, t.warehouseInFk) = t.warehouseInFk
						AND w.isComparative
						AND NOT e.isExcludedFromAvailable
						AND NOT t.daysInForward
				UNION ALL
				SELECT b.itemFk, t.shipped, - b.quantity
					FROM buy b
						JOIN entry e ON e.id = b.entryFk
						JOIN travel t ON t.id = e.travelFk
						JOIN warehouse w ON w.id = t.warehouseOutFk
					WHERE t.shipped BETWEEN vDateTomorrow AND vDateTo
						AND IFNULL(vWarehouseFk, t.warehouseOutFk) = t.warehouseOutFk
						AND w.isComparative
						AND NOT e.isExcludedFromAvailable
						AND NOT t.daysInForward
			) sub
			GROUP BY sub.itemFk, sub.dated;

	CALL item_getAtp(vDate);
	CALL travel_upcomingArrivals(vWarehouseFk, vDate);

	CREATE OR REPLACE TEMPORARY TABLE tItemAvailableCalc
		(PRIMARY KEY (itemFk))
		ENGINE = MEMORY
		SELECT it.itemFk,
				SUM(it.quantity) quantity,
				im.quantity minQuantity
			FROM tmp.itemCalc it
				JOIN tmp.itemAtp im ON im.itemFk = it.itemFk
				JOIN item i ON  i.id = it.itemFk
				LEFT JOIN origin o ON o.id = i.originFk
				LEFT JOIN tmp.itemTravel t ON t.wh = o.warehouseFk
			WHERE it.dated < IF(vMaxDays < 0 AND t.landing IS NOT NULL,
							t.landing,
							vDateToTomorrow)
			GROUP BY it.itemFk;

	UPDATE tmp.itemInventory it
			JOIN tItemAvailableCalc iac ON iac.itemFk = it.id
		SET it.avalaible = IF(iac.minQuantity > 0,
				it.avalaible,
				it.avalaible + iac.minQuantity),
			it.sd = it.inventory + iac.quantity;

	DROP TEMPORARY TABLE
		tmp.itemTravel,
		tmp.itemCalc,
		tmp.itemAtp,
		tItemInventoryCalc,
		tItemVisibleCalc,
		tItemAvailableCalc;
END$$
DELIMITER ;