/* Filename: HW9.c*/
/* This program simulates an address book */


/******************************************************************
 * Programmer: Matthew Glynn                                      *
 * Date : 04/04/2007                                              *
 * Section Number: B36                                            * 
 * Filename: HW9.c                                                *
 * Description: This program simulates an address book            *
 ******************************************************************/

/* libraries to be used */

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



#define MAX_count 3 //so that there will be a maximum of three entries


struct name
{
	char FirstName[21];
	char LastName[21];
	char title[6];
};
typedef struct name Name; // To avoid pointers

struct address
{
	char StreetNumber[21];
	char StreetName[21];
	char StreetAbbreviation[6];
	char City[21];
	char State[3];
	int Zipcode;
};

typedef struct address Address; // To avoid pointers

struct entry
{
	Name contact;
	Address home;
	int age;
};

typedef struct entry Entry;// To avoid pointers

int addEntry(Entry [], int);
void printEntry(Entry [], int);
int printmenu(void);

phoneBook = 0;


int main(void)

{ 
	
int selection, i;

Entry book[MAX_count];

printf("\n This is an Address Book that holds three entries!\n");

do
{
	selection = printmenu();
	switch(selection)
	{
	case 1:
			phoneBook = addEntry(book, phoneBook);
			break;

	case 2:
			if(phoneBook == 0)
				printf("There are no entries in the Address Book\n");
			else
				for(i=0; i<phoneBook; i++)
				{
					printEntry(book, i);
				}
				break;

	case 3: 
				printf("\n Thank you for using the Address Book \n");
				break;

	default:
		printf("\n Error: please enter a choice, 1, 2, or 3\n");
	}

}while (selection !=3);

return 0;

}


/******************************************************************
 *                                                                *
 * Programmer: Matthew Glynn                                      *
 * Name: printmaenu                                               *
 * Function: This function prints the main menu of the program.   *
 * Algorithm: uses printf to display messages                     *
 *                                                                *
 ******************************************************************/
int printmenu(void)
{
	int choice;
	char junk;

	printf(" \n Please choose an option. \n\n");
	printf(" 1. Add a new Entry \n");
	printf(" 2. Print all Entries \n");
	printf(" 3. Exit program \n \n");

	scanf("%d", &choice); scanf("%c", &junk); // junk scanf to check for if character is entered
	return choice;

}

/******************************************************************
 *                                                                *
 * Programmer: Matthew Glynn                                      *
 * Name: inputEnrty                                               *
 * Function: takes in values and saves them to structures         *
 * Algorithm: uses sscanf to seperate strings and strycpy to save *
 *      in structures                                             *
 * Input: Entry addr[], int count								  *
 *                                                                *
 ******************************************************************/
int addEntry(Entry addr[], int count)
{
	char field[10][21];
	char entrystring[500];

	if (count == MAX_count)

		{
		printf("Error address book is full");
		return count;
		}


{
		
			printf("\n Please enter name as follows: \n");
			printf("  <Title> <FirstName> <LastName>\n");
			fgets(entrystring, 500, stdin);
			sscanf(entrystring, "%s %s %s", field[0], field[1], field[2]);



			printf("\n Please the address in the following format: \n");
			printf("  <StreetNumber> <StreetName> <StreetAbbreviation> <City> <State> <Zipcode> \n");
			fgets(entrystring, 500, stdin);
			sscanf(entrystring, "%s %s %s %s %s %s", field[3], field[4], field[5], field[6], field[7], field[8]);

		
			printf("\n Please enter the contacts age in the following format: \n");
			printf("  <age> \n");
			fgets(entrystring, 500, stdin);
			sscanf(entrystring, "%s", field[9]);
	

		printf("Name:      %s %s %s\n", field[0], field[1], field[2]);
	
		printf("Address:   %s %s %s\n", field[3], field[4], field[5]);
	
		printf("           %s %s %s\n", field[6], field[7], field[8]);
	
		printf("Age:       %s\n", field[9]);


}

/*Copy the strings to the structures*/
strcpy (addr[count].contact.title, field[0]);
strcpy (addr[count].contact.FirstName, field[1]);
strcpy (addr[count].contact.LastName, field[2]);
strcpy (addr[count].home.StreetNumber, field[3]);
strcpy (addr[count].home.StreetName,field[4]);
strcpy (addr[count].home.StreetAbbreviation, field[5]);
strcpy (addr[count].home.City, field[6]);
strcpy (addr[count].home.State, field[7]);
addr[count].home.Zipcode = atoi(field[8]);
addr[count].age = atoi(field[9]); //array to integer

phoneBook = (phoneBook+1); /* Increment count for phoneBook */

}

/******************************************************************
 *                                                                *
 * Programmer: Matthew Glynn                                      *
 * Name: printentry                                               *
 * Function: This function prints the main menu of the program.   *
 * Algorithm: uses printf to display messages and the             *
 * quadraticcoefficient function								  *
 * Input: Entry addr[], int i                                     *
 *                                                                *
 ******************************************************************/
void printEntry(Entry addr[], int i)
{
	printf("\n Name: % 4s %s %s %s \n", "", addr[i].contact.title, addr[i].contact.FirstName, addr[i].contact.LastName);

	printf(" Address: %s %s %s %s \n", "", addr[i].home.StreetNumber, addr[i].home.StreetName, addr[i].home.StreetAbbreviation);

	printf("% 11s %s %s, %d  \n", "", addr[i].home.City, addr[i].home.State, addr[i].home.Zipcode);

	printf(" Age: %10s%d\n      \n", "", addr[i].age);

	return;
}