CREATE PROCEDURE [dbo].[ClearVerificationCode]
    @Email varchar(255)
AS
BEGIN
    SET NOCOUNT ON;
		
		DECLARE @Result varchar(30)
    DECLARE @VerificationCodeExists int;
		
		BEGIN TRY
		BEGIN TRANSACTION

    SELECT @VerificationCodeExists = COUNT(*) FROM VerificationCode
    WHERE Email = @Email;


-- Check if VerificationCode exists
         IF @VerificationCodeExists > 0
        SET @Result = 'VerificationCodeExists';
        ELSE 
        SET @Result = 'NoVerificationCode';

    -- DELETE VerificationCodes
    IF @Result = 'VerificationCodeExists' 
    BEGIN
        DELETE FROM VerificationCode WHERE Email = @Email;
		
		SET @Result = 'VerificationCodeClean';

END;

COMMIT TRANSACTION;
END TRY
BEGIN CATCH
ROLLBACK TRANSACTION;
SET @Result = 'TransactionFailed';
END CATCH

SELECT @Result as Result;

END