Tubes

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

struct user
{
    char nama[15];
    char pass[15];
}data[100],login,regi,admin;

struct bus
{
    char asal[20];
    char tujuan[20];
    int harga;
}jadwal[];


void bersih()
{
    system("cls");
}

void regis()
{
    FILE *fp;
    char c,cek_nama[15],cek_pass[15];
    int n=0;
    Daftar:
    fp=fopen("Data.txt","a+");
    printf("\t\t==============\n");
    printf("\t\t* REGISTRASI *\n");
    printf("\t\t==============\n");
    printf("\n\n");
    printf("MASUKKAN USERNAME: ");
    fflush(stdin);
    gets(regi.nama);
    while(!feof(fp)){
        fscanf(fp,"%s %s\n",cek_nama,cek_pass);
        if(strcmp(cek_nama,regi.nama)==0){
            printf("USERNAME TIDAK TERSEDIA\n");
            printf("COBA LAGI\n");
            system("pause");
            bersih();
            goto Daftar;
        }
    }
    printf("MASUKKAN PASSWORD: ");
    while (n<=15){
      regi.pass[n]=getch();
      c=regi.pass[n];
      if(c==13) break;
      else printf("*");
      n++;
  }
    fprintf(fp,"%s %s\n",regi.nama,regi.pass);
    fclose(fp);
    bersih();
    printf("REGISTRASI BERHASIL\n");
    printf("TEKAN Y UNTUK LOGIN\n");
    if((getch()=='y')||(getch()=='Y')){
        bersih();
        masuk();
    }
}

void masuk()
{
    FILE *fp;
    char c,cek_nama[15],cek_pass[15];
    int n=0;
    fp=fopen("Data.txt","r");
    printf("\t\t===============\n");
    printf("\t\t*    LOGIN    *\n");
    printf("\t\t===============\n");
    printf("\n\n");
    printf("MASUKKAN USERNAME: ");
    fflush(stdin);
    gets(login.nama);
    printf("MASUKKAN PASSWORD: ");
    while((c=getch())!=13){
        login.pass[n++]=c;
        printf("%c",'*');
    }
    login.pass[n]='\0';
    while(!feof(fp)){
        fscanf(fp,"%s %s\n",cek_nama,cek_pass);
        if((strcmp(cek_nama,login.nama)==0)&&(strcmp(login.pass,cek_pass)==0)){
            bersih();
            printf("LOGIN BERHASIL\n");
            system("pause");
            bersih();
            MainMenu();
            break;
        }else if((strcmp(cek_nama,login.nama)==0)&&(strcmp(login.pass,cek_pass)!=0)){
            printf("\nPASSWORD SALAH\n");
            printf("TEKAN Y UNTUK LOGIN KEMBALI\n");
            if((getch()=='y')|| (getch()=='Y')){
                bersih();
                masuk();
                break;
            }
        }/*else if((strcmp(cek_nama,login.nama)!=0)){
            printf("\nUSERNAME BELUM TERDAFTAR\n");
            printf("TEKAN ENTER UNTUK REGISTRASI\n");
            if((getch()==13)){
                bersih();
                regis();
                break;
            }
        }*/
    }
}

void masukadmin()
{
    int n=0;
    char c;
    printf("\t\t====================\n");
    printf("\t\t*    LOGIN ADMIN   *\n");
    printf("\t\t====================\n");
    printf("\n\n");
    printf("MASUKKAN USERNAME: ");
    fflush(stdin);
    gets(admin.nama);
    printf("MASUKKAN PASSWORD: ");
    while((c=getch())!=13){
        admin.pass[n++]=c;
        printf("%c",'*');
    }
    admin.pass[n]='\0';
    bersih();
    if((strcmp(admin.nama,"Dickys11")==0)&&(strcmp(admin.pass,"kmzway87aa")==0))
       printf("SELAMAT DATANG ADMIN\n");
}

void MenuAdmin()
{
    int pil;
    printf("1. Input Jadwal\n");
    printf("2. Ganti Jadwal\n");
    printf("3. Lihat Jadwal\n");
}

void MainMenu()
{
    int pilih;
    printf("JASA PELAYANAN BUS\n");
    printf("Silahkan pilih menu dibawah : \n");
    printf("1.Jadwal Bus\n2.Beli Tiket\n3.Riwayat Pemesanan\n4.Akun\n5.Tentang Aplikasi\n6.Bantuan\n");
    printf("Masukkan pilihan Anda: ");
    scanf("%d", &pilih);
    bersih();
    switch (pilih) {
    case 1 :
        printf("UNDERMAINTENANCE");
        break;
    case 2 :
        printf("UNDERMAINTENANCE");
        break;
    case 3 :
        printf("UNDERMAINTENANCE");
        break;
    case 4 :
        printf("UNDERMAINTENANCE");
        break;
    case 5 :
        printf("UNDERMAINTENANCE");
        break;
    case 6 :
        printf("UNDERMAINTENANCE");
        break;
    case 7 :
        printf("UNDERMAINTENANCE");
        break;
    default :
        printf("menu tidak tersedia");
        break;
    }
}

void JadwalBus()
{
    printf("1. Bandung - Jakarta\n");
    printf("2. Jakarta - Bandung\n");
    printf("3. Bandung - Surabaya\n");
    printf("4. Surabaya - Semarang\n");
}

int main()
{
    int pilihan;
    printf("1. Login\n");
    printf("2. Register\n");
    printf("3. Login As Admin\n");
    scanf("%d",&pilihan);
    switch(pilihan){
        case 1:
            bersih();
            masuk();
            break;
        case 2:
            bersih();
            regis();
            break;
        case 3:
            bersih();
            masukadmin();
    }
    return 0;
}