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

DELIMITER $$
$$
CREATE
    definer = root@`%` procedure `vn`.`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` AS invalue,
        `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,
        clientType,
        claimFk
        FROM
            ( SELECT  tr.landed AS shipped,
                    b.quantity AS `in`,
                    NULL AS `out`,
                    al.id AS alertLevel,
                    st.name AS stateName,
                    s.name AS name,
                    e.ref AS reference,
                    e.id AS origin,
                    s.id AS clientFk,
                    IF(al.id = 3, TRUE, FALSE) isPicked,
                    FALSE AS isTicket,
                    b.id lineFk,
                    NULL `order`,
                    NULL AS clientType,
                    NULL AS claimFk
                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.id = 
                        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,
                    b.quantity,
                    al.id,
                    st.name,
                    s.name,
                    e.ref,
                    e.id,
                    s.id,
                    IF(al.id = 3, TRUE, FALSE),
                    FALSE,
                    b.id,
                    NULL,
                    NULL,
                    NULL
                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.id = 
                        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,
                s.quantity,
                al.id,
                st.name,
                t.nickname,
                t.refFk,
                t.id,
                t.clientFk,
                stk.id,
                TRUE,
                s.id,
                st.`order`,
                ct.code,
                cl.id
                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 clientType ct ON ct.id = c.clientTypeFk
                    JOIN alertLevel al ON al.id = 
                        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
                    LEFT JOIN claim cl ON cl.ticketFk = t.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 ;