CREATE PROCEDURE dbo.ACCOUNT_LOGIN
@AccountID    varchar(21),
@Password    varchar(32),
@nRet        smallint OUTPUT
AS
/*
Author: Nero
*/
DECLARE @AccountID2 varchar(50), @Password2 varchar(50), @Authority smallint, @Nation tinyint, @CharNum tinyint
SET @Nation = 0
SET @CharNum = 0
-- Otomatik üyelik
SELECT @AccountID2 = COUNT(strAccountID) FROM TB_USER WHERE strAccountID = @AccountID
IF @AccountID2 = 0
BEGIN
    INSERT INTO TB_USER (strAccountID, strPasswd) VALUES (@AccountID, @Password)
END
/* Normal üyelik
SELECT @AccountID2 = COUNT(strAccountID) FROM TB_USER WHERE strAccountID = @AccountID
IF @AccountID2 = 0
BEGIN
    SET @nRet = 2 -- Account doesnt exist.
    RETURN
END
*/
SELECT @Password2 = strPasswd, @Authority = strAuthority FROM TB_USER WHERE strAccountID = @AccountID
IF @Password2 IS null or @Password2 != @Password
BEGIN
    SET @nRet = 3 -- Invalid password.
    RETURN
END
ELSE
IF @Authority = 255
BEGIN
    SET @nRet = 4 -- Account is banned.
    RETURN
END
ELSE
BEGIN
    DELETE CURRENTUSER WHERE strAccountID = @AccountID
    SET @nRet = @Nation+1
    RETURN
END

SELECT @Nation = bNation, @CharNum = bCharNum FROM ACCOUNT_CHAR WHERE strAccountID = @AccountID
IF @@ROWCOUNT = 0
BEGIN
    SET @nRet = @Nation+1
    RETURN
END
IF @CharNum = 0
BEGIN
    SET @nRet = @Nation+1
    RETURN
END
ELSE
BEGIN
SET @nRet = @Nation+1
    RETURN
END
GO