-- Clear previous proc
DROP PROCEDURE IF EXISTS p_shop_save_supplier;


DELIMITER //
CREATE PROCEDURE p_shop_save_supplier (
	IN a_guid VARCHAR(500),
    IN a_id_user INT,
    IN a_comment VARCHAR(500),
    IN a_id_supplier INT,
    IN a_name_company VARCHAR(256),
    IN a_name_contact VARCHAR(256),
    IN a_department_contact VARCHAR(256),
    IN a_id_address INT,
    IN a_phone_number VARCHAR(20),
    IN a_fax VARCHAR(20),
    IN a_email VARCHAR(515),
    IN a_website VARCHAR(300),
    IN a_id_currency INT,
    IN a_active BIT
)
BEGIN
    DECLARE v_id_error_type_bad_data INT;
    DECLARE v_id_error_type_no_permission INT;
	DECLARE v_guid_permission BINARY(36);
    DECLARE v_id_user VARCHAR(100);
    DECLARE v_id_permission_supplier INT;
    -- DECLARE v_id_access_level_EDIT INT;
    DECLARE v_has_permission BIT;
    DECLARE v_id_change_set INT;
    DECLARE v_is_new_supplier BIT;
    
    SET v_id_error_type_bad_data := (SELECT id_type FROM Shop_Msg_Error_Type WHERE code = 'BAD_DATA');
	SET v_guid_permission = UUID();
	SET v_id_user = CURRENT_USER();
	SET v_id_permission_supplier = (SELECT id_permission FROM Shop_Permission WHERE code = 'STORE_SUPPLIER' LIMIT 1);
	-- SET v_id_access_level_EDIT = (SELECT id_access_level FROM Shop_Access_Level WHERE code = 'EDIT');
    
	-- Argument default values
    IF a_guid IS NULL THEN 
		SET a_guid = UUID();
	END IF;
    
    
    -- Temporary tables
    /*
    CREATE TABLE tmp_Shop_Supplier (
		id_supplier INT NOT NULL,
		name_company VARCHAR(255) NOT NULL,
		name_contact VARCHAR(255) NULL,
		department_contact VARCHAR(255) NULL,
		id_address INT NOT NULL,
		CONSTRAINT FK_tmp_Shop_Supplier_id_address
			FOREIGN KEY (id_address)
			REFERENCES Shop_Address(id_address),
		phone_number VARCHAR(50) NULL,
		fax VARCHAR(50) NULL,
		email VARCHAR(255) NOT NULL,
		website VARCHAR(255) NULL,
		id_currency INT NOT NULL,
		CONSTRAINT FK_tmp_Shop_Supplier_id_currency
			FOREIGN KEY (id_currency)
			REFERENCES Shop_Currency(id_currency),
		active BIT NOT NULL,
        can_view BIT NOT NULL, 
        can_edit BIT NOT NULL, 
        can_admin BIT NOT NULL
    );
    */
    
	CREATE TABLE IF NOT EXISTS tmp_Msg_Error (
		display_order INT NOT NULL PRIMARY KEY AUTO_INCREMENT,
        guid BINARY(36) NOT NULL,
		id_type INT NOT NULL,
		CONSTRAINT FK_tmp_Msg_Error_id_type 
			FOREIGN KEY (id_type)
			REFERENCES Shop_Msg_Error_Type (id_type),
        code VARCHAR(50) NOT NULL,
        msg VARCHAR(4000) NOT NULL
	);
    
    
    -- Argument validation
	IF a_id_supplier IS NULL THEN
		INSERT INTO tmp_Msg_Error ( 
			guid, id_type, msg
		)
        VALUES
			(a_guid, v_id_error_type_bad_data, 'Supplier ID must not be null')
        ;
    END IF;
	IF a_name_company IS NULL THEN
		INSERT INTO tmp_Msg_Error ( 
			guid, id_type, msg
		)
        VALUES
			(a_guid, v_id_error_type_bad_data, 'Supplier company name must not be null')
        ;
    END IF;
	IF a_id_address IS NULL THEN
		INSERT INTO tmp_Msg_Error ( 
			guid, id_type, msg
		)
        VALUES
			(a_guid, v_id_error_type_bad_data, 'Address ID must not be null')
        ;
    END IF;
	IF a_email IS NULL THEN
		INSERT INTO tmp_Msg_Error ( 
			guid, id_type, msg
		)
        VALUES
			(a_guid, v_id_error_type_bad_data, 'Email must not be null')
        ;
    END IF;
	IF a_active IS NULL THEN
		INSERT INTO tmp_Msg_Error ( 
			guid, id_type, msg
		)
        VALUES
			(a_guid, v_id_error_type_bad_data, 'Active must not be null')
        ;
    END IF;
    
    
    IF NOT EXISTS (SELECT * FROM tmp_Msg_Error) THEN
		SET v_is_new_supplier := CASE WHEN a_id_supplier <= 0 THEN 1 ELSE 0 END;
		
        IF (v_is_new_supplier = 0 AND NOT EXISTS (SELECT * FROM Shop_Supplier S WHERE S.id_supplier = a_id_supplier)) THEN
			INSERT INTO tmp_Msg_Error ( 
				guid, id_type, msg
			)
			VALUES
				(a_guid, v_id_error_type_bad_data, CONCAT('Invalid supplier ID: ', a_id_supplier))
			;
		END IF;
    END IF;
    
    /*
    IF NOT EXISTS (SELECT * FROM tmp_Msg_Error) THEN
		INSERT INTO tmp_Shop_Supplier (
			id_supplier, name_company, name_contact, department_contact, id_address, phone_number, fax, email, website, id_currency, active
		)
		VALUES 
			(a_id_supplier, a_name_company, a_name_contact, a_department_contact, a_id_address, a_phone_number, a_fax, a_email, a_website, a_id_currency, a_active)
		/*
		FROM Shop_Supplier S
		WHERE (NOT v_has_filter_category OR C.id_category LIKE '%' || a_ids_category || '%')
			AND (a_get_inactive_categories OR C.active)
		*
        ;
    END IF;
    */
    
    -- Permissions
    IF NOT EXISTS (SELECT * FROM tmp_Msg_Error) THEN
        CALL p_shop_calc_user(v_guid_permission, v_id_user, v_id_permission_supplier, '');
        
        /*
        UPDATE tmp_Shop_Supplier t_S
        INNER JOIN Shop_Calc_User_Temp TP
			ON TP.GUID = v_guid_permission
        SET tP.can_view = TP.can_view,
			tP.can_edit = TP.can_edit,
            tP.can_admin = TP.can_admin;
		*/
        SET v_has_permission := (SELECT can_edit FROM Shop_Calc_User_Temp WHERE GUID = v_guid_permission);
        
        IF v_has_permission = 0 THEN
			SET v_id_error_type_no_permission := (SELECT id_type FROM Shop_Msg_Error_Type WHERE code = 'NO_PERMISSION');
			INSERT INTO tmp_Msg_Error ( 
				guid, id_type, msg
			)
			SELECT
				a_guid, 
				v_id_error_type_no_permission, 
				CONCAT('You do not have ', name, ' permissions.')
			FROM Shop_Permission
            WHERE id_permission = v_id_permission_supplier
			;
        END IF;
        
        -- CALL p_shop_clear_calc_user(v_guid_permission);
        
        DELETE FROM Shop_Calc_User_Temp
        WHERE GUID = a_guid;
    END IF;
    
    
	-- Transaction    
    IF NOT EXISTS (SELECT * FROM tmp_Msg_Error) THEN
		INSERT INTO Shop_Sales_And_Purchasing_Change_Set (
			comment,
			updated_last_by,
			updated_last_on
		)
		VALUES (
			CONCAT(
				'Save ',
                CASE WHEN v_is_new_supplier = 1 THEN 'new ' ELSE '' END,
                'Supplier - ',
                a_comment
			),
			a_id_user,
			CURRENT_TIME()
		);
		
        SET v_id_change_set := (SELECT id_change_set FROM Shop_Sales_And_Purchasing_Change_Set ORDER BY id_change_set DESC LIMIT 1);
        
		START TRANSACTION;
			IF (v_is_new_supplier = 1) THEN
				INSERT INTO Shop_Supplier (
					-- id_supplier, 
                    name_company, name_contact, department_contact, id_address, phone_number, fax, email, website, id_currency, active, id_change_set
				)
				VALUES 
					(
						-- a_id_supplier, 
						a_name_company, a_name_contact, a_department_contact, a_id_address, a_phone_number, a_fax, a_email, a_website, a_id_currency, a_active, v_id_change_set
                    )
				/*
				FROM Shop_Supplier S
				WHERE (NOT v_has_filter_category OR C.id_category LIKE '%' || a_ids_category || '%')
					AND (a_get_inactive_categories OR C.active)
				*/
				;
			ELSE 
				UPDATE Shop_Supplier S
				-- INNER JOIN tmp_Shop_Supplier t_S ON S.id_supplier = t_S.id_supplier
				SET 
					/*
					S.name_company = t_S.name_company,
					S.name_contact = t_S.name_contact,
					S.department_contact = t_S.department_contact,
					S.id_address = t_S.id_address,
					S.phone_number = t_S.phone_number,
					S.fax = t_S.fax,
					S.email = t_S.email,
					S.website = t_S.website,
					S.id_currency = t_S.id_currency,
					S.active = t_S.active
                    */
					S.name_company = a_name_company,
					S.name_contact = a_name_contact,
					S.department_contact = a_department_contact,
					S.id_address = a_id_address,
					S.phone_number = a_phone_number,
					S.fax = a_fax,
					S.email = a_email,
					S.website = a_website,
					S.id_currency = a_id_currency,
					S.active = a_active,
                    S.id_change_set = v_id_change_set
				;
			END IF;
		
		IF EXISTS (SELECT * FROM tmp_Msg_Error) THEN
			ROLLBACK;
		ELSE
			COMMIT;
		END IF;
    END IF;
    
    -- Returns
    -- SET v_now = NOW();
    
    # Errors
    SELECT *
    FROM tmp_Msg_Error
	;
    
    DROP TABLE tmp_Shop_Supplier;
    DROP TABLE tmp_Msg_Error;
END //
DELIMITER ;;


-- SELECT * FROM Shop_Supplier;