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

DELIMITER $$
$$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`ticketPackaging_add`(
	vClientFk INT,
	vDated DATE,
	vCompanyFk INT,
	vWithoutPeriodGrace BOOLEAN)
BEGIN
/**
 * Genera nuevos tickets de embalajes para los clientes no han los han retornado
 * y actualiza los valores para la tabla ticketPackaging
 *
 * @param vClientFk Cliente en caso de NULL todos los clientes
 * @param vDated Fecha hasta la cual se revisan los embalajes
 * @param vCompanyFk Empresa de la cual se comprobaran sus clientes
 * @param vWithoutPeriodGrace si no se aplica el periodo de gracia de un mes
 */
	DECLARE vNewTicket INT;
	DECLARE vDateStart DATE;
	DECLARE vDateEnd DATE;
	DECLARE vGraceDate DATE DEFAULT vDated;
	DECLARE vWarehouseInventory INT;
	DECLARE vComponentCost INT;
	DECLARE vDone INT DEFAULT FALSE;
	DECLARE vClientId INT;
	
	DECLARE vCursor CURSOR FOR
		SELECT DISTINCT clientFk
			FROM (
				SELECT clientFk, SUM(quantity) totalQuantity
					FROM tmp.packagingToInvoice
					GROUP BY itemFk, clientFk
					HAVING totalQuantity > 0)sub;

	DECLARE CONTINUE HANDLER FOR NOT FOUND SET vDone = TRUE;

	DECLARE EXIT HANDLER FOR SQLEXCEPTION
	BEGIN
		ROLLBACK;
		RESIGNAL;
	END;

	SELECT id INTO vWarehouseInventory 
		FROM warehouse 
		WHERE `code`= 'inv';
		
	SELECT id INTO vComponentCost 
		FROM component 
		WHERE `code`= 'purchaseValue';
		
	SELECT packagingInvoicingDated INTO vDateStart 
		FROM ticketConfig;	
	
	IF vWarehouseInventory IS NULL THEN
		CALL util.throw('Warehouse inventory not set');
	END IF;

	IF vComponentCost IS NULL THEN
		CALL util.throw('Component cost not set');
	END IF;	

	SET vDateEnd = vDated + INTERVAL 1 DAY;
	
	IF NOT vWithoutPeriodGrace THEN
		SET vGraceDate = vGraceDate -INTERVAL 1 MONTH;
	END IF;
	
	DROP TEMPORARY TABLE IF EXISTS tmp.packagingToInvoice;
	CREATE TEMPORARY TABLE tmp.packagingToInvoice
		(INDEX (clientFk))
		ENGINE = MEMORY
		SELECT p.itemFk,
				tp.packagingFk,
				tp.quantity,
				tp.ticketFk,
				p.price,
				t.clientFk
			FROM ticketPackaging tp
				JOIN packaging p ON p.id = tp.packagingFk
				JOIN ticket t ON t.id = tp.ticketFk 
				JOIN client c ON c.id = t.clientFk
			WHERE c.isActive
				AND (vClientFk IS NULL OR t.clientFk = vClientFk)
				AND t.shipped BETWEEN vDateStart AND vDateEnd
				AND (tp.quantity < 0 OR (tp.quantity > 0 AND t.shipped < vGraceDate))
				AND tp.quantity
				AND p.itemFk;
			
	OPEN vCursor;
		l: LOOP

			FETCH vCursor INTO vClientId;

			IF vDone THEN
				LEAVE l;
			END IF;

			START TRANSACTION;

			CALL ticket_add(
					vClientId, 
					vDateEnd,
					vWarehouseInventory, 
					vCompanyFk, 
					NULL, 
					NULL, 
					NULL, 
					vDateEnd, 
					account.myUser_getId(), 
					TRUE,
					vNewTicket);
				
				INSERT INTO ticketPackaging(ticketFk, packagingFk, quantity, pvp)
					SELECT vNewTicket, packagingFk, - SUM(quantity) totalQuantity, price
						FROM tmp.packagingToInvoice 
						WHERE clientFk = vClientId
						GROUP BY packagingFk
						HAVING IF(vWithoutPeriodGrace, totalQuantity <> 0, totalQuantity < 0);
	
				INSERT INTO sale(ticketFk, itemFk, concept, quantity, price)
					SELECT vNewTicket, pti.itemFk, i.name, SUM(pti.quantity) totalQuantity, pti.price
						FROM tmp.packagingToInvoice pti
							JOIN item i ON i.id = pti.itemFk
						WHERE pti.clientFk = vClientId
						GROUP BY pti.itemFk
						HAVING IF(vWithoutPeriodGrace, totalQuantity <> 0, totalQuantity > 0);
		
				INSERT INTO saleComponent(saleFk, componentFk, value)
					SELECT id, vComponentCost, price
						FROM sale
						WHERE ticketFk = vNewTicket;
			
			COMMIT;
		END LOOP;
	CLOSE vCursor;

	DROP TEMPORARY TABLE tmp.packagingToInvoice;
END$$
DELIMITER ;