void register_user(vector<Users*> &User,Users& current_user){
    int redo;
    string name;
    do{
        redo=0;
        cout << "username: ";
        getline (cin, name);
        for(int i=0;i<User.size();i++){
            if(name.compare(User[i]->ID.username) == 0){
                cout << "This name already exists please type a different name!" << endl;
                redo = 1;
            }
            if(name.compare("\n") == 0 || name.compare("guest:guest")==0){
                cout << "forbidden name,please type a different name" << endl;
                redo=1;
            }
        }
    }while(redo);
//
    User.push_back(new Punter);
    int i = User.size()-1;
    User[i]->ID.user_id = i+1;
    User[i]->ID.username.assign(name);
    User[i]->ID.fullname.assign(name); // this could be changed later in the account settings
    User[i]->ID.type = 1;
    User[i]->ID.status.assign("A");
    User[i]->ID.balance = 0.0;
    User[i]->ID.freebets.push_back(0.0); //
    do{
        redo=0;
        cout << "password: ";
        string pass1;
        getline (cin,pass1);
        cout << "Please retype your password:" ;
        string pass2;
        getline (cin,pass2);
        if (pass1.compare(pass2) != 0){
            cout << "You should insert the same password twice" << endl;
            redo=1;
        }
        else{
            User[i]->ID.password.assign(pass1);
        }
    }while(redo);
    write_users(User);  //arxeio susthmatos save
    current_user = *User[i];
    User[i]->exprint();
}

void login_user(vector<Users*> &User,Users& current_user){
    cout << "Welcome to KAPPA BET!" << endl;
    cout << "Please type username and password to login to your account!" << endl;
    cout << "If you don't have an account ,press (Enter) or type guest:guest to login as guest" << endl;
    int anagnwr=-1;
    int guest=0;
    int redo;
    do{
        redo=0;
        cout << "username: " ;
        string name;
        string rightpass;
        getline(cin,name);
        if((name.compare("guest:guest") == 0) || name.compare("\n")){
            guest = 1;
            break;
        }
        for(int i=0;i<User.size();i++){
            if(name.compare(User[i]->ID.username) == 0){
                rightpass.assign(User[i]->ID.password);
                anagnwr=i;
            }
        }
        string provpass;
        cout << "password: ";
        getline(cin,provpass);
        if(provpass.compare(rightpass) == 0){
            redo=0;
        }
        else{
            cout << "Wrong Credentials! Please Retry!" << endl;
            redo=1;
        }
    }while(redo);
    if(guest == 0){
        char locked = 'L';
        if(locked == User[anagnwr]->ID.status[0]){
            cout << "Your account has been locked due to: ";
            for(int i=2;User[anagnwr]->ID.status[i] != '\n';i++){
                cout << User[anagnwr]->ID.status[i];
            }
            exit(1);
        }
    }
    //eisodos xrhsth sto arxiko menu analoga me to user.type h an einai guest
    if(guest == 1){
        Users* temp = new Guest();
        //gurnaw
        current_user = *temp;
        temp->exprint();

    }
    else{
        current_user = *User[anagnwr];
        User[anagnwr]->exprint();
    }
    write_users(User);
}

int main(int argc, char** argv) {
    vector<Users*> User;
    vector<History*> history;
    vector<Bethistory*> bethistory;
    read_users(User);
    Users currentUser;
    if (argc == 1){
        //xwris parameters
        login_user(User,currentUser);
    }
    else if(argc == 2){
        //mia parametros
        string parameter(argv[1]);
        capitalize(&parameter);
        if(strcmp(parameter.c_str(),"-r") == 0){
            //register a user
            register_user(User,currentUser);
        }
    }
    //management input

    bethistoryfun(bethistory,10,1,"1.1.2.3",10.5,'W');
    write_bet(bethistory);
    */

    write_users(User);
    return 0;
}