DROP TRIGGER IF EXISTS vn.sale_afterUpdate;
USE vn;

DELIMITER $$
$$
CREATE DEFINER=`root`@`localhost` TRIGGER `vn`.`sale_afterUpdate`
	AFTER UPDATE ON `sale`
	FOR EACH ROW
BEGIN
	DECLARE vIsToSendMail BOOL;
	DECLARE vPickedLines INT;
	DECLARE vCollectionFk INT;
	DECLARE vUserRole VARCHAR(255);
    
	IF !(NEW.id <=> OLD.id)
	OR !(NEW.ticketFk <=> OLD.ticketFk)
	OR !(NEW.itemFk <=> OLD.itemFk)
	OR !(NEW.quantity <=> OLD.quantity)
	OR !(NEW.created <=> OLD.created)
	OR !(NEW.isPicked <=> OLD.isPicked) THEN
		CALL stock.log_add('sale', NEW.id, OLD.id);
	END IF;

	IF !(NEW.price <=> OLD.price)
	OR !(NEW.ticketFk <=> OLD.ticketFk)
	OR !(NEW.itemFk <=> OLD.itemFk)
	OR !(NEW.quantity <=> OLD.quantity)
	OR !(NEW.discount <=> OLD.discount) THEN
		CALL ticket_requestRecalc(NEW.ticketFk);
		CALL ticket_requestRecalc(OLD.ticketFk);
	END IF;

	IF !(OLD.ticketFk <=> NEW.ticketFk) THEN
		UPDATE ticketRequest SET ticketFk = NEW.ticketFk
			WHERE saleFk = NEW.id;
	END IF;
	
	SELECT account.myUser_getName() INTO vUserRole;
	SELECT account.user_getMysqlRole(vUserRole) INTO vUserRole;

	IF !(OLD.quantity <=> NEW.quantity) THEN
		SELECT COUNT(*) INTO vIsToSendMail 
			FROM vncontrol.inter i
				JOIN vn.state s ON s.id = i.state_id
			WHERE s.code='PACKED' 
				AND i.Id_Ticket = OLD.ticketFk
				AND vUserRole IN ('salesPerson', 'salesTeamBoss')
			LIMIT 1;
		    
		IF vIsToSendMail THEN 
			CALL vn.mail_insert('jefesventas@verdnatura.es',
								'noreply@verdnatura.es',
								CONCAT('Ticket ', OLD.ticketFk ,' modificada cantidad tras encajado'),
								CONCAT('Ticket <a href="https://salix.verdnatura.es/#!/ticket/', OLD.ticketFk ,'/log">', OLD.ticketFk ,'</a>. <br>',
									'Modificada la catidad de ', OLD.quantity, ' a ' , NEW.quantity, 
									' del artículo ', OLD.itemFk, ' tras estado encajado del ticket. <br>',
									'Este email se ha generado automáticamente' )
								);
		END IF; 
		IF (OLD.quantity > NEW.quantity) THEN
			INSERT INTO saleComponent(saleFk, componentFk, value)
				SELECT NEW.id, cm.id, sc.value 
					FROM saleComponent sc
						JOIN component cd ON cd.id = sc.componentFk
						JOIN component cm ON cm.code = 'mana'
					WHERE saleFk = NEW.id AND cd.code = 'lastUnitsDiscount'
				ON DUPLICATE KEY UPDATE value = sc.value + VALUES(value);
			
			DELETE sc.* 
				FROM vn.saleComponent sc
					JOIN component c ON c.id = sc.componentFk
				WHERE saleFk = NEW.id AND c.code = 'lastUnitsDiscount';
		END IF;	
		INSERT IGNORE INTO `vn`.`routeRecalc` (`routeFk`)
			SELECT r.id 
				FROM  vn.sale s
					JOIN vn.ticket t ON t.id = s.ticketFk
					JOIN vn.route r ON r.id = t.routeFk
				WHERE r.isOk = FALSE 
					AND s.id = NEW.id
					AND r.created >= CURDATE()
				GROUP BY r.id;
	END IF;

	IF !(ABS(NEW.isPicked) <=> ABS(OLD.isPicked)) AND NEW.quantity > 0 THEN
	
		UPDATE vn.collection c
			JOIN vn.ticketCollection tc ON tc.collectionFk = c.id AND tc.ticketFk = NEW.ticketFk
			SET c.salePickedCount = c.salePickedCount + IF(NEW.isPicked != 0, 1, -1);
		
	END IF;

	IF !(NEW.quantity <=> OLD.quantity) AND (NEW.quantity = 0 OR OLD.quantity = 0) THEN
	
		UPDATE vn.collection c
			JOIN vn.ticketCollection tc ON tc.collectionFk = c.id AND tc.ticketFk = NEW.ticketFk
			SET c.saleTotalCount = c.saleTotalCount + IF(OLD.quantity = 0, 1, -1);
	END IF;
END$$
DELIMITER ;