USE `vn`;
DROP procedure IF EXISTS `ticketGetTax`;

DELIMITER $$
USE `vn`$$
CREATE DEFINER=`root`@`%` PROCEDURE `ticketGetTax`()
    READS SQL DATA
BEGIN
/**
 * Calcula la base imponible, el IVA y el recargo de equivalencia para
 * un conjunto de tickets.
 *
 * @table tmp.ticket(ticketFk) Identificadores de los tickets a calcular
 * @return tmp.ticketAmount
 * @return tmp.ticketTax Impuesto desglosado para cada ticket.

 */
    DROP TEMPORARY TABLE IF EXISTS tmp.addressCompany;
    CREATE TEMPORARY TABLE tmp.addressCompany
        (INDEX (addressFk, companyFk))
        ENGINE = MEMORY
        SELECT DISTINCT t.addressFk, t.companyFk
            FROM tmp.ticket tmpTicket
                JOIN ticket t ON t.id = tmpTicket.ticketFk;

    CALL addressTaxArea ();
    

 /** Solo se calcula la base imponible (taxableBase) y el impuesto se calculará posteriormente
  *   No se debería cambiar el sistema por problemas con los decimales
  */
    
    DROP TEMPORARY TABLE IF EXISTS tmp.ticketTax;
    CREATE TEMPORARY TABLE tmp.ticketTax
        (INDEX (ticketFk))
        ENGINE = MEMORY
    SELECT tmpTicket.ticketFk,
                bp.pgcFk,
                SUM(s.quantity * s.price * (100 - s.discount)/100 ) AS taxableBase,
                pgc.rate,
                tc.code
            FROM tmp.ticket tmpTicket
                JOIN sale s ON s.ticketFk = tmpTicket.ticketFk
                JOIN item i ON i.id = s.itemFk
                JOIN ticket t ON t.id = tmpTicket.ticketFk
                JOIN supplier su ON su.id = t.companyFk
                JOIN tmp.addressTaxArea ata
                    ON ata.addressFk = t.addressFk AND ata.companyFk = t.companyFk
                JOIN itemTaxCountry itc
                    ON itc.itemFk = i.id AND itc.countryFk = su.countryFk
                JOIN bookingPlanner bp
                    ON bp.countryFk = su.countryFk
                        AND bp.taxAreaFk = ata.areaFk
                        AND bp.taxClassFk = itc.taxClassFk
                JOIN pgc ON pgc.code = bp.pgcFk
                JOIN taxClass tc ON tc.id = bp.taxClassFk
            GROUP BY tmpTicket.ticketFk, pgc.code,pgc.rate
            HAVING taxableBase != 0;

   DROP TEMPORARY TABLE IF EXISTS tmp.ticketServiceTax;
    CREATE TEMPORARY TABLE tmp.ticketServiceTax
        (INDEX (ticketFk))
        ENGINE = MEMORY
     SELECT tt.ticketFk,
                      SUM(ts.quantity * ts.price) AS taxableBase,
                    pgc.rate,
                    tc.code
                FROM tmp.ticketTax tt
                    JOIN ticketService ts ON ts.ticketFk = tt.ticketFk
                    JOIN ticket t ON t.id = tt.ticketFk
                    JOIN supplier su ON su.id = t.companyFk
                    JOIN tmp.addressTaxArea ata
                        ON ata.addressFk = t.addressFk AND ata.companyFk = t.companyFk          
                    JOIN bookingPlanner bp
                        ON bp.countryFk = su.countryFk
                            AND bp.taxAreaFk = ata.areaFk
                            AND bp.taxClassFk = ts.taxClassFk
                    JOIN pgc ON pgc.code = bp.pgcFk AND pgc.rate = tt.rate
                    JOIN taxClass tc ON tc.id = bp.taxClassFk
                    GROUP BY tt.ticketFk, tt.code,tt.rate
                    HAVING taxableBase != 0;

        UPDATE tmp.ticketTax tt
            JOIN tmp.ticketServiceTax ts ON tt.ticketFk = ts.ticketFk AND tt.code = ts.code AND tt.rate = ts.rate
        SET tt.taxableBase = tt.taxableBase + ts.taxableBase;

    DROP TEMPORARY TABLE IF EXISTS tmp.ticketAmount;
    CREATE TEMPORARY TABLE tmp.ticketAmount
        (INDEX (ticketFk))
        ENGINE = MEMORY
        SELECT ticketFk, taxableBase, SUM(CAST(taxableBase * rate / 100 AS DECIMAL(10, 2))) tax,code
            FROM tmp.ticketTax
            GROUP BY ticketFk, code;

    DROP TEMPORARY TABLE IF EXISTS tmp.addressCompany;
    DROP TEMPORARY TABLE IF EXISTS tmp.addressTaxArea;
END$$

DELIMITER ;