#include "contacts.h"


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

contact InputNewContact(const size_t size)
{
	contact* contacts = new contact[size];
	
	cout.flush();
	cin.ignore();
	
		cout.flush();
		Prompts("What is your name?");
		
		cout.flush();
		cin.get(contacts->Name, 50, '\n');
		cin.ignore();
		Prompts("What is your Email?");
		
		cin.get(contacts->Email, 100, '\n');

		Prompts("What is your Street");
		cin.ignore();
		cin.get(contacts->Street, 100, '\n');

		Prompts("What is your city?");
		cin.ignore();
		cin.get(contacts->city, 30, '\n');

		Prompts("What is your state?");
		cin.ignore();
		cin.get(contacts->State, 04, '\n');

		Prompts("What is your Zip?");
		cin.ignore();
		cin.get(contacts->Zip, 50, '\n');
	
	return *contacts;
}
void printcontacts()
{
	for (int x = 0; x < numberofcontacts; x++)
	{
		contact empty = emptycontact[x];
		
		contact existingcontacts = contacts[x];
		int result;
		
		result = strcmp(existingcontacts.Name, empty.Name); //Compares the cString with an empty one, when it is equal, it prints nothing!!!
		if (result == 0)
		{
			Prompts("");
			cout << endl;
		}
		else
		{
			OutputContacts(_strupr(existingcontacts.Name), "Name", x);
			OutputContacts(_strupr(existingcontacts.Email), "Email", x);
			OutputContacts(_strupr(existingcontacts.Street), "Street Address", x);
			OutputContacts(_strupr(existingcontacts.city), "City", x);
			OutputContacts(_strupr(existingcontacts.State), "State", x);
			cout << "Zip Code " << x << ": " << existingcontacts.Zip << endl;
			cout << "//////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////\\\\////" << endl; //little divider
		} 
	}
}
contact UpdateContact()
{
	printcontacts();

	int i = ReadInt("Which contact would you like to update?");
	
	contacts[i] = InputNewContact(MAX);
	contact updatedcontacts = contacts[i];
	
	cout << "\n" << endl;

		return updatedcontacts;
	
}
contact* DeleteContactInformation()
{
	printcontacts();
	
	
	contact* deletedcontact = &contacts[ReadInt("Which contact would you like to delete?")];

	*deletedcontact = { '\0' };
	
		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'):
			
			if (numberofcontacts==3)
			{
				contacts[numberofcontacts++] = InputNewContact(DoubleArraySize(MAX));
			}
			else
			{
				contacts[numberofcontacts++] = InputNewContact(MAX);
			}
			break;
		case('2'):
			UpdateContact();
			break;
		case('3'):
			printcontacts();
			break;
		case('4'):
			DeleteContactInformation();
		
			break;
		case('5'):
			cout << "Have a wondeful day!" << endl;
			DeleteEverything();
			break;
		default:
			cout << "Invalid Input, Try Again!" << endl;
		}

	} while (options != '5');

};
void Prompts(const char* phrase)
{
	cout.flush();
	cout << phrase << " ";
	cout.flush();

}

void OutputContacts(char* arrays, const char* prompt, int x)
{
		cout << prompt << " " << x << ": ";

		cout << arrays << endl;
}

const size_t DoubleArraySize(const size_t& size)
{
	contact* newArray = nullptr; 

	newArray = new contact[size * 2];

	for (auto i = 0u; i < size; i++)
	{
		newArray[i] = contacts[i];
	}

	delete[] contacts;

	contacts = newArray;

	const size_t newsize = size * 2; 
	return newsize;

}

int ReadInt(const char* Prompt)
{
	int Value;

	cout << endl << Prompt << ": ";
	cin >> Value;

	while (!cin)
	{
		cin.clear();
		cin.ignore(MAX_STREAM_SIZE, '\n');
		cout << "That is not a number, please try again!" << endl;
		cout.flush();
		cin >> Value;
	}
	return Value;
}

void DeleteEverything()
{
	delete[] contacts;
}