#include <iostream>
#include <string>
#include <fstream>
#include <stdlib.h>

using namespace std;

class user{
    string username;
    string password;
    string userCheck;
    string passCheck;

public:

    user(string u, string p){
        username=u;
        password=p;
    }

    //fungsi untuk mengecek ketersediaan username
    int checkUser(){
        int c=0;
        ifstream myfile ("dataUser.txt");
        while(myfile){
            getline(myfile,userCheck,';');
            getline(myfile,passCheck);
            if (userCheck==username)
                c=1;
            else c=0;
            if (c==1)
                break;
        }
        myfile.close();
        if(c==1)
            return 1;
        else return 0;
    }

    void userRegis(){
            ofstream myfile("dataUser.txt",ios::app);
            myfile<<username<<";";
            myfile<<password<<endl;
            myfile.close();
            system("cls");
            cout<<"\tREGISTRASI"<<endl;
            cout<<"------------------------------"<<endl;
            cout<<"REGISTRASI SUKSES"<<endl;
            system("pause");
        }

    int loginCheck(){
        ifstream myfile ("dataUser.txt");
        int c=0;
        while (myfile){
            getline(myfile,userCheck,';');
            getline(myfile,passCheck);
            if((userCheck==username) && (passCheck==password))
                c=1;
            else c=0;
            if (c==1)
                break;
        }
        cout<<c<<endl;
        if (c==1)
            return 0;
        else return 1;
    }

    void userLogin(){
        system("cls");
        cout<<"sukses";
    }
};

void menu(){
    cout<<"ini menu"<<endl;
    system("pause");
}

int main()
{
    int pil;
    string username,password;
    user userObj(username,password);

    cout<<"1. Masuk"<<endl;
    cout<<"2. Registrasi"<<endl;
    cout<<"3. Keluar"<<endl;
    cout<<"-----------------------"<<endl;
    cout<<"Masukkan Pilihan Anda: "; cin>>pil;

    if(pil==1){
        system("cls");
        cout<<"\tLOGIN"<<endl;
        cout<<"------------------------------"<<endl;
        cout<<"Masukkan Username Anda: "; cin>>username;
        cout<<"Masukkan Password Anda: "; cin>>password;
        user userObj(username,password);

        if(userObj.loginCheck()==1){
            system("cls");
            cout<<"\tLOGIN"<<endl;
            cout<<"------------------------------"<<endl;
            cout<<"USERNAME ATAU PASSWORD SALAH"<<endl;
            system("pause");
            system("cls");
            main();
        }else {
            userObj.userLogin();
            menu();
        }
    }else if (pil==2){
        system("cls");
        cout<<"\tREGISTRASI"<<endl;
        cout<<"------------------------------"<<endl;
        cout<<"Masukkan Username Anda: "; cin>>username;
        cout<<"Masukkan Password Anda: "; cin>>password;
        user userObj(username,password);
        if(userObj.checkUser()==1){
            system("cls");
            cout<<"\tREGISTRASI"<<endl;
            cout<<"------------------------------"<<endl;
            cout<<"USERNAME TIDAK TERSEDIA"<<endl;
            system("pause");
            system("cls");
            main();
        }else {
            userObj.userRegis();
            system("cls");
            main();
        }
    }else if(pil==3)
        return 0;
    return 0;
}