#include "contacts.h"
#include <iostream>
#include <string>

using std::cout;
using std::cin;
using std::endl;

contact contacts[MAX] = {};
contact emptycontact[MAX] = {}; //this is what I am comparing strings with in the print function
int numberofcontacts = 0;

contact InputNewContact()
{
	cout << "Avoid Using Spaces While Entering Your Street Name" << endl;
	contact newcontact = {};
	cout << "First Name: ";
	cin >> newcontact.FirstName;

	cout << "Last Name: ";
	cin >> newcontact.LastName;

	cout << "Email: ";
	cin >> newcontact.Email;

	cout << "Street Number: ";
	cin >> newcontact.StreetNumber;

	cout << "Street Name: ";
	cin >> newcontact.StreetName;

	cout << "City: ";
	cin >> newcontact.city;

	cout << "State: ";
	cin >> newcontact.State;

	cout << "Zip: ";
	cin >> newcontact.Zip;
	
	cout << "\n" << endl;

	return newcontact;

}


void printcontacts()
{
	for (int x = 0; x < numberofcontacts; x++)
	{
		contact empty = emptycontact[x];

		contact existingcontacts = contacts[x];
		int result;
		result = strcmp(existingcontacts.FirstName, empty.FirstName); //Compares the cString with an empty one, when it is equal, it prints nothing!!!
		if (result == 0)
		{
			cout << " ";
		}
		else
		{
			_strupr_s(existingcontacts.FirstName); //permanently changing the string to uppercase
			_strupr_s(existingcontacts.LastName);
			cout << "Name " << x << ": " << existingcontacts.FirstName << " " << existingcontacts.LastName << endl;
		}
		result = strcmp(existingcontacts.Email, empty.Email);
		if (result == 0)
		{
			cout << " ";
		}
		else
		{
			_strupr_s(existingcontacts.Email);
		
			cout << "Email " << x << ": " << existingcontacts.Email << endl;
		}
		result = strcmp(existingcontacts.StreetNumber, empty.StreetNumber);
		if (result == 0)
		{
			cout << " ";
		}
		else
		{
			_strupr_s(existingcontacts.StreetName);
			cout << "Street Address " << x << ": " << existingcontacts.StreetNumber << " " << existingcontacts.StreetName << endl;
		}
		result = strcmp(existingcontacts.city, empty.city);
		if (result == 0)
		{
			cout << " ";
		}
		else
		{
			_strupr_s(existingcontacts.city);
			cout << "City " << x << ": " << existingcontacts.city << endl;
		}
		result = strcmp(existingcontacts.State, empty.State);
		if (result == 0)
		{
			cout << " ";
		}
		else
		{
			_strupr_s(existingcontacts.State);
			cout << "State(xx) " << x << ": " << existingcontacts.State << endl;
		}
		if (existingcontacts.Zip == 0)
		{
			cout << " " << endl;
		}
		else
		{
			cout << "Zip Code " << x << ": " << existingcontacts.Zip << endl;
			cout << "//////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////" << endl; //little divider
		} 
			
	}

}


contact UpdateContact()
{
	printcontacts();

	cout << "\n\nWhich contact would you like to update?" << endl;

	int i = 0;
	cin >> i;
		while (i >= numberofcontacts)					//This while loop prevents the user from overwriting onto an undefined array. I tested it without it and I could write onto any integer that I input															
		{
			cout << "Invalid Input, Try again" << endl;
			cin >> i;
		}
	
		contacts[i] = InputNewContact();
		contact updatedcontacts = contacts[i];
		cout << "\n" << endl;

		return updatedcontacts;
	
}


contact DeleteContactInformation()
{
	printcontacts();

	cout << "\n\nWhich contact would you like to delete?" << endl;

	int i = 0;						//I didn't add the while loop from the update contact here because there were no negative consequences from inputing an integer larger than the numberofcontacts counter
	cin >> i;
	contact deletedcontact = contacts[i];
	contacts[i] = {NULL};
	
	for (i; i < numberofcontacts; i++)	//shifts deleted contact to the top
	{
		contacts[i] = contacts[i + 1];
	}

	return deletedcontact;

}


void menu() {
	char options = '\0';

	do
	{
		cout << "Welcome to the contacts menu\n"
			<< "1)Add New Contact\n"
			<< "2)Update Contact\n"
			<< "3)Print All Contacts\n"
			<< "4)Delete Contact\n"
			<< "5)Exit\n";
		cin >> options;
		switch (options)
		{
		case('1'):
			contacts[numberofcontacts++] = InputNewContact();
			break;
		case('2'):
			UpdateContact();
			break;
		case('3'):
			printcontacts();
			break;
		case('4'):
			DeleteContactInformation();

			break;
		case('5'):
			cout << "Have a wondeful day!" << endl;
			break;
		default:
			cout << "Invalid Input, Try Again!" << endl;
		}

	} while (options != '5');

};