DELIMITER $$
CREATE OR REPLACE DEFINER=`root`@`localhost` PROCEDURE `vn`.`expeditionPallet_build`(
	vExpeditions JSON,
	vArcId INT,
	vWorkerFk INT,
	OUT vPalletFk INT
)
BEGIN
/** Construye un pallet de expediciones.
 *
 * Primero comprueba si esas expediciones ya pertenecen a otro pallet,
 * en cuyo caso actualiza ese pallet.
 *
 * @param vExpeditions JSON_ARRAY con esta estructura [exp1, exp2, exp3, ...]
 * @param vArcId INT Identificador de arcRead
 * @param vWorkerFk INT Identificador de worker
 * @param out vPalletFk Identificador de expeditionPallet
 */
	DECLARE vCounter INT;
	DECLARE vExpeditionFk INT;
	DECLARE vTruckFk INT;
	DECLARE vPrinterFk INT;
	DECLARE vExpeditionStateTypeFk INT;

	CREATE OR REPLACE TEMPORARY TABLE tExpedition (
		expeditionFk INT,
		routeFk INT,
		palletFk INT,
		PRIMARY KEY (expeditionFk)
	);

	SET vCounter = JSON_LENGTH(vExpeditions);

	WHILE vCounter DO
		SET vCounter = vCounter - 1;

		SET vExpeditionFk = JSON_EXTRACT(vExpeditions,CONCAT("$[", vCounter, "]"));

		INSERT IGNORE INTO tExpedition(expeditionFk, routeFk, palletFk)
			SELECT vExpeditionFk, t.routeFk, es.palletFk
				FROM expedition e
					LEFT JOIN ticket t ON t.id = e.ticketFk
					LEFT JOIN expeditionScan es ON es.expeditionFk = e.id
				WHERE e.id = vExpeditionFk;
	END WHILE;

	SELECT palletFk INTO vPalletFk
		FROM (
			SELECT palletFk, count(*) n
				FROM tExpedition
					WHERE palletFk > 0
				GROUP BY palletFk
				ORDER BY n DESC
				LIMIT 100 
		) sub
		LIMIT 1;

	IF vPalletFk IS NULL THEN
		SELECT roadmapStopFk INTO vTruckFk
			FROM (
				SELECT rm.roadmapStopFk, count(*) n
					FROM routesMonitor rm
						JOIN tExpedition e ON e.routeFk = rm.routeFk
					GROUP BY roadmapStopFk
					ORDER BY n DESC
					LIMIT 1
			) sub;

		IF vTruckFk IS NULL THEN
				CALL util.throw ('TRUCK_NOT_AVAILABLE');
		END IF;

		INSERT INTO expeditionPallet SET truckFk = vTruckFk;

		SET vPalletFk = LAST_INSERT_ID();
	END IF;

	INSERT INTO expeditionScan(expeditionFk, palletFk, workerFk)
		SELECT expeditionFk, vPalletFk, vWorkerFk
			FROM tExpedition
			ON DUPLICATE KEY UPDATE palletFk = vPalletFk, workerFk = vWorkerFk;

	SELECT id INTO vExpeditionStateTypeFk
		FROM expeditionStateType
		WHERE code = 'PALLETIZED';

	INSERT INTO expeditionState(expeditionFk, typeFk)
		SELECT expeditionFk, vExpeditionStateTypeFk FROM tExpedition;

	SELECT printerFk INTO vPrinterFk FROM arcRead WHERE id = vArcId;

	CALL report_print(
		'LabelPalletExpedition',
		vPrinterFk,
		account.myUser_getId(),
		JSON_OBJECT('palletFk', vPalletFk, 'userFk', account.myUser_getId()),
		'high'
	);

	UPDATE expeditionPallet SET isPrint = TRUE WHERE id = vPalletFk;

	DROP TEMPORARY TABLE tExpedition;
END$$
DELIMITER ;