#include <stdio.h>
#include <string.h>
#include <stdlib.h>
 
#define NAMES 80
#define BIRTHDAY 30
#define HANDPHONE 15
#define ADDRESS 120
#define OCCUPATION 50
#define SIZE 200
 
 
void Add();
void Del();
void Search();
void Edit();
void List();
void Exit();
char info[SIZE];
 
 
struct contactbook
{
   char names [NAMES];
   char birthday [BIRTHDAY];
   char hp [HANDPHONE];
   char address [ADDRESS];
   char occupation [OCCUPATION];
   char Target [SIZE];
}
contactbook;
 
 
FILE *Contactbook;
FILE *temp;
 
 
 
int main()
{
   int option;
   system("clear");
 
   printf("\n            WELCOME TO BRONTOK-X SIMPLE CONTACT BOOK\n");
   printf("\n                 This program enables you to:\n");
   printf("\n                  ADD, DELETE, EDIT, SEARCH, and LIST\n");
   printf("\n                   your contact info =D\n\n");
       printf("\n    To start running this program, you have to choose an option from 1 to 6\n");
   printf("\n            1: Adding Contact Info\n");
   printf("            2: Delete Your Contact Info\n");
   printf("            3: Search Your Contact Info\n");
   printf("            4: Edit Your Contact Info\n");
   printf("            5: List Down All Your Contact Info\n");
   printf("            6: Exit This Program\n\n");
       printf("            Please Enter Your Choice: ");
 
   scanf("%d", &option);
 
   switch(option)
   {
       case 1:
       {
           system("clear");
           Add();
           break;
       }
       case 2:
       {
           system("clear");
           Del();
           break;
       }
       case 3:
       {    
           system("clear");
           Search();
           break;
       }
       case 4:
       {
           system("clear");
           Edit();
           break;
       }
       case 5:
       {
           system("clear");
           List();
           break;
       }
       case 6:
       {
           system("clear");
           Exit();
           break;
       }
       default:
       {
           system("clear");
           printf("Invalid Input");
           break;
       }
   }
}
 
void Add()
{
 
   Contactbook = fopen("Contactbook.txt","a+");
 
   printf("Enter his/her Name:\n");
   fflush(stdin);
   fgets(contactbook.names, sizeof contactbook.names, stdin);
 
   printf("Enter his/her Birthday:\n");
   fflush(stdin);
   fgets(contactbook.birthday, sizeof contactbook.birthday, stdin);
 
   printf("Enter his/her Handphone No:\n");
   fflush(stdin);
   fgets(contactbook.hp, sizeof contactbook.hp, stdin);
 
   printf("Enter his/her Address:\n");
   fflush(stdin);
   fgets(contactbook.address, sizeof contactbook.address, stdin);
 
   printf("Enter his/her Occupation\n");
   fflush(stdin);
   fgets(contactbook.occupation, sizeof contactbook.occupation, stdin);
 
   fprintf(Contactbook, "%s %s %s %s %s\n", contactbook.names,contactbook.birthday, contactbook.hp, contactbook.address, contactbook.occupation);
 
   fflush(stdin);
   fclose(Contactbook);
   main();
}
 
void Del()
{
   main();
}
 
void Search()
{
   main();
}
 
void Edit()
{
   main();
}
 
void List()
{
   main();
}
 
void Exit()
{
   system("clear");
}