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

using namespace std;

main()
{
    int pilih;
    string user="";
    string pass="";
    char kl[20];
    int y;
    char p;
    char pt;
    char py;
    char username[20];
    char password[20];
    char kata[100];
    char pganti;
    char ganti;
    char kata_[10];
    int i;
    int jum=1;
    int plih;

    cout<<"1.Register-------------------"<<endl;
    cout<<"2.Login----------------------"<<endl;
    cout<<"Ingin Register atau Login : ";
    cin>>plih;
    cout<<"-----------------------------"<<endl;

    if(plih==1)
    {
        goto regis;
    }
    else if(plih==2)
    {
        goto log;
    }
    system("cls");
    regis:
    cout<<endl;
    cout<<"--Silahkan Register--"<<endl;
    cout<<"---------------------"<<endl;
    cout<<"Input Username : ";
    cin.sync();
    gets(username);

    cout<<"Input Password : ";
    cin.sync();
    gets(password);

    system("cls");
    log:
    cout<<"-------------------"<<endl;
    cout<<"Ingin Login (Y/T) : ";
    cin>>pt;
    cout<<"-------------------"<<endl;

    if(pt=='Y' || pt=='y')
    {
        system("cls");

        cout<<"--Menu Login---"<<endl;
        cout<<"---------------"<<endl;
        cout<<"Username : ";
        cin>>user;
        cout<<"Password : ";
        cin>>pass;
        cout<<"---------------"<<endl;
        system("cls");
    }

    else if(pt=='T' || pt=='t')
    {
        exit(0);
    }

        awal :
        system("cls");
        if(user==username && pass==password)
        {
            cout<<"--Menu Pilihan---"<<endl;
            cout<<"-----------------"<<endl;
		cout<<"-----By Nang-----"<<endl;
            cout<<"1.Input"<<endl;
            cout<<"2.Edit"<<endl;
            cout<<"3.Manipulasi"<<endl;
            cout<<"4.Exit"<<endl;
            cout<<"-----------------"<<endl;
            cout<<"Input Pilihan : ";
            cin>>pilih;
            cout<<"--------------------"<<endl;

            switch(pilih)
            {
                case 1 :
                    cout<<"Masukan Kalimat : ";
                    cin.sync();
                    gets(kata);
                    break;

                case 2 :
                    cout<<"Kata awal : "<<kata<<endl;

                    cout<<"Input Kata yang Diganti : ";
                    cin>>ganti;

                    cout<<"Input Pengganti Huruf : ";
                    cin>>pganti;

                    for(i=1;i<strlen(kata);i++)
                    {
                        if(kata[i]==ganti)
                        {
                            kata[i]=pganti;
                        }
                    }

                    cout<<"Kata Akhir : "<<kata<<endl;
                    break;

                case 3 :
                    if((kata[0]>='a') && (kata[0]<='z'))
                    {
                        kata[0]=kata[0]-32;
                    }
                    for(int i=0;i<strlen(kata);i++)
                    {
                        if((kata[jum]>='A') && (kata[jum]<='Z'))
                        {
                            kata[0]=kata[0]-32;
                        }
                        jum++;
                    }

                    for(int j=1;kata[j]!=NULL;j++)
                    {
                        if(kata[j+1]==NULL || kata[j+1]==' ')
                        {
                            kata[j]='%';
                        }
                        if(kata[j]==' ')
                        {
                            kata[j]='_';

                            if(kata[j+1]>='a' && kata[j+1]<='z')
                            {
                                kata[j+1]=kata[j+1]-32;
                            }
                        }
                    }
                    cout<<"Hasil Kata : "<<kata;

                case 4 :
                    exit(0);
                    break;

                default :
                    cout<<"Inputan Salah"<<endl;
            }
        }
        else
        {
            system("cls");
            cout<<"---------------------------"<<endl;
            cout<<"Salah Username dan Password"<<endl;
            cout<<"---------------------------"<<endl;
        }

        cout<<"-------------------------------"<<endl;
        cout<<"Ingin Ulang ke Menu Utama (Y/T) : ";
        cin>>py;
        cout<<"-------------------------------"<<endl;

        if(py=='Y' || py=='y')
        {
            goto awal;
        }
}