#include <stdio.h>
#include <stdlib.h>
#define ESC 27

char name[25];
int number[25];
lookup();
add();
edit();

main()
{
 int x;



	printf("PHONE BOOK\n\n");
		printf("1.Lookup\n2.Add new entry\n3.Exit\n\n");

			scanf("%d",&x);

			while (x != 1 && x != 2 && x != 3)
			{
			printf("Invalid entry!\n\n");
				getch();
				system("cls");

				printf("PHONE BOOK\n\n");
		printf("1.Lookup\n2.Add new entry\n3.Exit\n\n");

			scanf("%d",&x);

			}

			if (x ==1 )
			{
				lookup();
			}

			else if (x ==2)
			{add();
			}
			else
				return 0;

			getch();

} /********END OF MAIN FUNCTION***********/

lookup()
{
	int x,y=5;
 FILE *pt;
 char *str,findname[25];
 int number[25];
char words[25];
	system ("cls");


pt = fopen ("phonebook.txt","r");
	if (pt == NULL)
	{
		printf("File not found!\n");
			return 0;
	}

	printf("PHONE BOOK LOOKUP\n\n");
	printf("1. Enter a name\n");
		printf("2. List all names/numbers\n\n\r");
			scanf("%d",&x);

		while (x != 1 && x != 2)
		{
			printf("Invalid Entry!");
				getch();
				system ("cls");

printf("PHONE BOOK LOOKUP\n\n");
	printf("1. Enter a name\n");
		printf("2. List all names and numbers\n\n\r");
			scanf("%d",&x);
		}

		if (x==1)
		{

			printf("Enter a name now: ");
				scanf("%s",name);

				do{
					if (y == EOF){
						printf("DANGER. NAME NOT FOUND!\n");
							return 0;
					}
					y = fscanf(pt,"%s",findname);

				}while (stricmp(name,findname) != 0);

					fgets (number,25,pt);
						printf("\n\nName: %s\nNumber:%s",findname,number);
		}

		else if (x == 2)
		{
			x = 1;
	do {
		x = fscanf(pt,"%s",words);
			if (x == EOF)
				break;
		printf("Name: %s\n",words);
			x = fscanf(pt,"%s",words);
		printf("Number: %s\n",words);
			printf("\n---------------------------\n");
	} while (x != EOF);



		}



				fclose (pt);



} /*******END OF LOOKUP FUNCTION************/

add()
{
	FILE *pt;
	printf("Add a name and a number\n\n\r");
		pt = fopen ("phonebook.txt","a");
			if (pt == NULL)
			{
				printf("NO PHONEBOOK FOUND!\n");
					return 0;
			}




				scanf("%s %s",name,number);
				fprintf (pt,"%s %s\n",name,number);

			printf("Number successfully added!\n\n");
			getch();
				add2();

} /*******END OF ADD FUNCTION********/

edit()
{}

add2()
{
	int option;
	char c;

	printf("Would you like to add another number? (y//n)\n");
	do {
		c = getch();
	  } while (c != 'y' && c != 'n');

	if (c == 'y'){
			system ("cls");
		add();
	}

		else {
		  printf("\nReturning to main menu");
				main();
		}

}