DROP procedure IF EXISTS `vn`.`item_getBalance`;

DELIMITER $$
USE `vn`$$
CREATE DEFINER=`root`@`%` PROCEDURE `item_getBalance`(IN vItemId INT, IN vWarehouse INT)
BEGIN
    DECLARE vDateInventory DATETIME;
    DECLARE vCurdate DATE DEFAULT CURDATE();
    DECLARE vDayEnd DATETIME DEFAULT util.dayEnd(vCurdate);
    
    SELECT inventoried INTO vDateInventory FROM config;
    SET @a = 0;
	SET @currentLineFk = 0;
    SET @shipped = '';
    
    SELECT DATE(@shipped:= shipped) shipped,
		alertLevel,
		stateName,
		origin,
		reference,
		clientFk,
		name,
		`in`,
		`out`,
		@a := @a + IFNULL(`in`,0) - IFNULL(`out`,0) as balance,
		@currentLineFk := IF (@shipped < CURDATE() 
							OR (@shipped = CURDATE() AND (isPicked OR alertLevel >= 2)),
						lineFk,@currentLineFk) lastPreparedLineFk,
            isTicket,
            lineFk,isPicked
        FROM
            ( SELECT  tr.landed as shipped,
                    b.quantity as `in`,
                    NULL as `out`,
                    al.alertLevel as alertLevel,
                    st.name AS stateName,
                    s.name as name,
                    e.ref as reference,
                    e.id as origin,
                    s.id as clientFk,
                    IF(al.alertLevel = 3, TRUE, FALSE) isPicked,
                    FALSE AS isTicket,
                    b.id lineFk,
                    NULL `order`
                FROM buy b
                    JOIN entry e ON e.id = b.entryFk
                    JOIN travel tr ON tr.id = e.travelFk
                    JOIN supplier s ON s.id = e.supplierFk
                    JOIN alertLevel al ON al.alertLevel = 
						CASE
							WHEN tr.shipped < CURDATE() THEN 3
							WHEN tr.shipped = CURDATE() AND tr.isReceived = TRUE THEN 3
                            ELSE 0
						END
                    JOIN state st ON st.code = al.code
                WHERE tr.landed >= vDateInventory
                    AND vWarehouse = tr.warehouseInFk 
                    AND b.itemFk = vItemId
                    AND e.isInventory = FALSE
					AND e.isRaid = FALSE
            UNION ALL

            SELECT tr.shipped,
                    NULL as `in`,
                    b.quantity as `out`,
                    al.alertLevel as alertLevel,
                    st.name AS stateName,
                    s.name as name,
                    e.ref as reference,
                    e.id as origin,
                    s.id as clientFk,
                    IF(al.alertLevel = 3, TRUE, FALSE) isPicked,
                    FALSE AS isTicket,
                    b.id,
                    NULL `order`
                FROM buy b
                    JOIN entry e ON e.id = b.entryFk
                    JOIN travel tr ON tr.id = e.travelFk
                    JOIN warehouse w ON w.id = tr.warehouseOutFk
                    JOIN supplier s ON s.id = e.supplierFk
                    JOIN alertLevel al ON al.alertLevel = 
						CASE
							WHEN tr.shipped < CURDATE() THEN 3
							WHEN tr.shipped = CURDATE() AND tr.isReceived = TRUE THEN 3
                            ELSE 0
						END
                    JOIN state st ON st.code = al.code
                WHERE tr.shipped >= vDateInventory
                    AND vWarehouse =tr.warehouseOutFk
                    AND s.id <> 4
                    AND b.itemFk = vItemId
                    AND e.isInventory = FALSE
                    AND w.isFeedStock = FALSE
					AND e.isRaid = FALSE
            UNION ALL

            SELECT DATE(t.shipped),
                NULL as `in`,
                s.quantity as `out`,
                al.alertLevel as alertLevel,
                st.name AS stateName,
                t.nickname as name,
                t.refFk as reference,
                t.id as origin,
                t.clientFk,
                stk.id as isPicked,
                TRUE as isTicket,
                s.id,
				st.`order`
				FROM sale s
                    JOIN ticket t ON t.id = s.ticketFk
                    LEFT JOIN ticketState ts ON ts.ticket = t.id
                    LEFT JOIN state st ON st.code = ts.code
                    JOIN client c ON c.id = t.clientFk
                    JOIN alertLevel al ON al.alertLevel = 
						CASE
							WHEN t.shipped < curdate() THEN 3
							WHEN t.shipped > util.dayEnd(curdate()) THEN 0
                            ELSE IFNULL(ts.alertLevel, 0)
						END
					LEFT JOIN state stPrep ON stPrep.`code` = 'PREPARED'
                    LEFT JOIN saleTracking stk ON stk.saleFk = s.id AND stk.stateFk = stPrep.id
                WHERE t.shipped >= vDateInventory
                    AND s.itemFk = vItemId
                    AND vWarehouse =t.warehouseFk
				ORDER BY shipped, alertLevel DESC, isTicket, `order` DESC, isPicked DESC, `in` DESC, `out` DESC
            ) AS itemDiary;
        
END$$
delimiter ;