native WP_Hash(buffer[],len,const str[]);

enum PlayerInfo
{
    Pass[129], //User's password
    Adminlevel, //User's admin level
    VIPlevel, //User's vip level
    Money, //User's money
    Scores, //User's scores
    Kills, //User's kills
    Deaths, //User's deaths
    Last,
    NoPM
}
new pInfo[MAX_PLAYERS][PlayerInfo];

forward loadaccount_user(playerid, name[], value[]);
public loadaccount_user(playerid, name[], value[])
{
    INI_String("Password", pInfo[playerid][Pass],129); /*we will use INI_String to load user's password.
    ("Password",.. will load user's password inside of user's path. 'pInfo[playerid][Pass]',...We have defined our user's variable above called, pInfo. Now it's time to use it here to load user's password. '129',... 129 is a length of a hashed user's password. Whirlpool will hash 128 characters + NULL*/
    INI_Int("AdminLevel",pInfo[playerid][Adminlevel]);/*We will use INI_Int to load user's admin level. INI_Int stands for INI_Integer. This load an admin level. */
    INI_Int("VIPLevel",pInfo[playerid][VIPlevel]);//As explained above
    INI_Int("Money",pInfo[playerid][Money]); //As explained above
    INI_Int("Scores",pInfo[playerid][Scores]);//As explained above
    INI_Int("Kills",pInfo[playerid][Kills]);//As explained above
    INI_Int("Deaths",pInfo[playerid][Deaths]);//As explained above
    return 1;
}

if(fexist(Path(playerid))) /* Check if the connected user is registered or not. fexist stands for file exist. So if file exist in the files(Path(playerid)),*/
    {// then
        INI_ParseFile(Path(playerid),"loadaccount_%s", .bExtra = true, .extra = playerid); //Will load user's data using INI_Parsefile.
        ShowPlayerDialog(playerid,dlogin,DIALOG_STYLE_INPUT,"Login","Welcome back,To [PG]Call of Duty Server. \nInsert your password to login to your account","Login","Quit");/*A dialog with input style will appear so you can insert your password to login.*/
    }
    else //If the connected user is not registered,
    {//then we will 'force' him to register :)
        ShowPlayerDialog(playerid,dregister,DIALOG_STYLE_INPUT,"Register","Welcome! This account is not registered.\nEnter your own password to create a new account.","Register","Quit");
        return 1;
    }

public OnPlayerDisconnect(playerid, reason)
{
    new string[128], pName[MAX_PLAYER_NAME];
    GetPlayerName(playerid,pName,MAX_PLAYER_NAME);//Get the player's name
    format(string,sizeof string,"{FF9915}%s {FFFFFF}has left {FF9915}[PG]Call of Duty Server (0.3x){FFC800}.",pName);//the message to everyone
    SendClientMessageToAll(0xFFFFFFAA,string);//this is used to send the message to everyone who is in the server
    new INI:file = INI_Open(Path(playerid)); //will open their file
        INI_SetTag(file,"Player's Data");//We will set a tag inside of user's account called "Player's Data"
        INI_WriteInt(file,"AdminLevel",pInfo[playerid][Adminlevel]); //If you've set his/her admin level, then his/her admin level will be saved inside of his/her account
        INI_WriteInt(file,"VIPLevel",pInfo[playerid][VIPlevel]);//As explained above
        INI_WriteInt(file,"Money",GetPlayerMoney(playerid));//We will save his money inside of his account
        INI_WriteInt(file,"Scores",GetPlayerScore(playerid));//We will save his score inside of his account
        INI_WriteInt(file,"Kills",pInfo[playerid][Kills]);//As explained above
        INI_WriteInt(file,"Deaths",pInfo[playerid][Deaths]);//As explained above
        INI_Close(file);
    pInfo[playerid][Last] = -1;
    pInfo[playerid][NoPM] = 0;
    return 1;
}

if(dialogid == dregister) //If dialog id is a register dialog
    {//then
        if(!response) return Kick(playerid); //If they clicked the second button "Quit", we will kick them.
        if(response) //if they clicked the first button "Register"
        {//then
            if(!strlen(inputtext)) //If they didn't enter any password
            {// then we will tell to them to enter the password to register
                ShowPlayerDialog(playerid,dregister,DIALOG_STYLE_INPUT,"Register","Welcome! This account is not registered.\nEnter your own password to create a new account.\nPlease enter the password!","Register","Quit");
                return 1;
            }
            //If they have entered a correct password for his/her account...
            new hashpass[129]; //Now we will create a new variable to hash his/her password
            WP_Hash(hashpass,sizeof(hashpass),inputtext);//We will use whirlpool to hash their inputted text
            new INI:file = INI_Open(Path(playerid)); // we will open a new file for them to save their account inside of Scriptfiles/Users folder
            INI_SetTag(file,"Player's Data");//We will set a tag inside of user's account called "Player's Data"
            INI_WriteString(file,"Password",hashpass);//This will write a hashed password into user's account
            INI_WriteInt(file,"AdminLevel",0); //Write an integer inside of user's account called "AdminLevel". We will set his level to 0 after he registered.
            INI_WriteInt(file,"VIPLevel",0);//As explained above
            INI_WriteInt(file,"Money",0);//Write an integer inside of user's account called "Money". We will set their money to 0 after he registered
            INI_WriteInt(file,"Scores",0);//Write an integer inside of user's account called "Scores". We will set their score to 0 after he registered
            INI_WriteInt(file,"Kills",0);//As explained above
            INI_WriteInt(file,"Deaths",0);//As explained above
            INI_Close(file);//Now after we've done saving their data, we now need to close the file
            SendClientMessage(playerid,-1,"You have been successfully registered");//Tell to them that they have successfully registered a new account
            SetPVarInt(playerid, "NoNPCSpawn", 1);
            return 1;
        }
    }
    if(dialogid == dlogin) //If dialog id is a login dialog
    {//then
        if(!response) return Kick(playerid); //If they clicked the second button "Quit", we will kick them.
        if(response) //if they clicked the first button "Register"
        {//then
            new hashpass[129]; //Will create a new variable to hash his/her password
            WP_Hash(hashpass,sizeof(hashpass),inputtext); //Will hash inputted password
            if(!strcmp(hashpass, pInfo[playerid][Pass], false)) //If they have insert their correct password
            {//then
                INI_ParseFile(Path(playerid),"loadaccount_%s",.bExtra = true, .extra = playerid);//We will load his account's data from user's path
                SetPlayerScore(playerid,pInfo[playerid][Scores]);//We will get their score inside of his user's account and we will set it here
                GivePlayerMoney(playerid,pInfo[playerid][Money]);//As explained above
                SendClientMessage(playerid,-1,"Welcome back! You have successfully logged in");//Tell them that they've successfully logged in
                SetPVarInt(playerid, "NoNPCSpawn", 1);
            }
            else //If they've entered an incorrect password
            {//then
                ShowPlayerDialog(playerid,dlogin,DIALOG_STYLE_INPUT,"Login","Welcome back. This account is registered. \nInsert your password to login to your account.\nIncorrect password!","Login","Quit");//We will tell to them that they've entered an incorrect password
                SetPVarInt(playerid, "NoNPCSpawn", 1);
                return 1;
            }
        }
    }

new 
    ResetEnum[ PlayerInfo ];

public OnPlayerConnect(playerid)
{
    //rest of the code.
    return pInfo[ playerid ] = ResetEnum, true;
}

public OnPlayerDisconnect(playerid, reason)
{
    //rest of the code.
    return pInfo[ playerid ] = ResetEnum, true;
}

pInfo[playerid][Adminlevel] = 0;
pInfo[playerid][VIPlevel] = 0;
pInfo[playerid][Money] = 0;
pInfo[playerid][Scores] = 0;
pInfo[playerid][Kills] = 0;
pInfo[playerid][Deaths] = 0;

new x[PlayerInfo];
pInfo[playerid] = x;