Lab5.cpp

#include <iostream>
#include <istream>
#include <string>
#include <fstream>

using namespace std;

int const MAX_NUM_CONTACTS = 2;

struct Contacts
{
	string firstName[MAX_NUM_CONTACTS];
	string lastName[MAX_NUM_CONTACTS];
	string phoneNumber[MAX_NUM_CONTACTS];
	string emailAddress[MAX_NUM_CONTACTS];
};

void addContact(Contacts &Contact, int &numContacts);
void showContact(Contacts &Contact, int &numContacts);
void saveContact(Contacts &Contact, int &numContacts);


int main()
{
	Contacts Contact;
	char option;
	bool keepGoing = true;
	int numContacts = 0;
	
	

	do
	{
		cout << "MENU\n----------------------\n";
		cout << "A: Add a contact\n";
		cout << "S: Show Contact\n";
		cout << "F: Save all contacts to file\n";
		cout << "Q: Quit\n";
		cout << "Selection: ";
		cin >> option;
		//switch statement menu
		switch (option)
		{
			case 'a':
			case 'A':
				if (numContacts <= MAX_NUM_CONTACTS)
				{
					addContact(Contact, numContacts);
				}
				else if (numContacts > MAX_NUM_CONTACTS)
				{
					cout << "You have reached the maximum number of contacts.";
				}
				break;

			case 's':
			case 'S':
				showContact(Contact, numContacts);
				break;

			case 'f':
			case 'F':
				saveContact(Contact, numContacts);
				break;

			case 'q': // quit option
			case 'Q':
			keepGoing = false;
			break;

	default:
		cout << "Please pick a valid option.\n\n";
		break;
		}

	} while (keepGoing == true);


	cin.get();
	return 0;
}

void addContact(Contacts &Contact, int &numContacts)
{
	//entering contact info
	cout << "Enter contact's first and last name: ";
	cin >> Contact.firstName[numContacts] >> Contact.lastName[numContacts];

	cout << "Enter contact's phone number: ";
	cin >> Contact.phoneNumber[numContacts];

	cout << "Enter contact's email address: ";
	cin >> Contact.emailAddress[numContacts];

	numContacts++; //incrementing number of contacts
}
void showContact(Contacts &Contact, int &numContacts)
{
	string searchFirst, searchLast;
	
	cout << "Enter first and last name of contact you wish to show: ";

	cin >> searchFirst >> searchLast; //getting search parameters for first and last name

	cout << endl;

	for (int i = 0; i < numContacts; i++) //incrementing through each contact and....
	{
		if (searchFirst == Contact.firstName[i] && searchLast == Contact.lastName[i]) // ...checking to see if first and last names match the entered query
		{
			cout << "Contact Found!\n\n";
			cout << "Name: " << Contact.firstName[i] << " " << Contact.lastName[i] << endl;
			cout << "Phone Number: " << Contact.phoneNumber[i] << endl;
			cout << "Email Address " << Contact.emailAddress[i] << endl << endl;
		}
		else if ((searchFirst != Contact.firstName[i] && searchLast != Contact.lastName[i]))
		{
			cout << "No contact found, please try again\n";
			showContact(Contact, numContacts);
		}
	}

}
void saveContact(Contacts &Contact, int &numContacts)
{
	ofstream file;
	string contactList;

	cout << "Please enter a file name including the extension to write to: ";
	
	cin >> contactList; //inputting name of file

	file.open(contactList.c_str()); //opening file

	if (file.is_open()) //checking if file is open
	{
		for (int i = 0; i < numContacts; i++)
		{
			//writing to file
			file << "Name: " << Contact.firstName[i] << " " << Contact.lastName[i] << endl;
			file << "Phone Number: " << Contact.phoneNumber[i] << endl;
			file << "Email Address " << Contact.emailAddress[i] << endl << endl;
		}
		file << endl;
	}
	else
	{
		cout << "File could not be opened...\n";
	}

}