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

using namespace std;

int main()
{
	
	romantype rom;// create an object rom from roman type class
	rom.header();//display student names
	rom.getRoman();//access the member getRoman
	rom.convertRoman();//access the member convertRoman
	rom.printRoman();//access the menber printRoman
	
	return 0;
}

#include<iostream>
using namespace std;
class romantype// class roman type
{
public :
	void header();
	void getRoman(); //public members in here
	void convertRoman();
	void printRoman();
private:		// private variabls in here
	string str_roman;
	int sum;
	
};

#include<iostream>
#include<string>
#include "romantype.h"
using namespace std;

void romantype::header() 
{
cout<<"****************Team Project by*********************"<<endl;
cout<<endl;
cout<<"	Heikel Khaldi and Zong Vang"<<endl;
cout<<endl;
cout<<"****************************************************"<<endl<<endl;
}

void romantype::getRoman()
{
	cout<<endl;
	cout<<"Please enter you Roman Number ? "<<endl<<endl;
	cin >> str_roman;// get the value of str_roman
	cout<<endl;
}

void romantype::convertRoman()
{
int val,val1;// two local variables to compare the 1st position from the right and the 2nd position from the right
	val1=0;val=0;sum=0;// initializinghe variables  
	for(int i=str_roman.length()-1;i>=0;i--)// loop to select the characters positions and compares the associated 
		//varibles as described above
	{val1=val;
		switch(str_roman[i])
		{
		case 'i':
		case'I':
			val=1;
			break;
		case 'v':
			case'V':
			val=5;
			break;
		case 'x':
			case'X':
			val=10;
			break;
		case 'l':
			case'L':
			val=50;
			break;
		case'c':
			case'C':
			val=100;
			break;
		case'd':
			case'D':
			val=500;
			break;
		case'm':
			case'M':
			val=1000;
			break;
		default:
			val=0;
		}
		if (val1<=val)// roman conversion algorithm
			sum=sum+val;// we add when the 2nd number from right is >= to the first number from right
		else
		sum=sum-val;// we substract when the 2nd number from right is < to the first number from right
	}
}

void romantype::printRoman()
{
	int i;
	cout<<endl;
	cout<<"Select 1 for Roman Number. "<<endl<<endl;
	cout<<endl;
	cout<<"Select 2 for Decimal Number. "<<endl<<endl;
	cin>>i;
	 if (i==1)
	{
		cout<<endl<<"Roman Number You entered is : "<<str_roman<<endl<<endl;// if user input 1 than the Roman number entered is the output
	}
	else if(i==2)
	{
		cout <<endl<<"Decimal Number You entered is : "<<sum<<endl<<endl;// if user input 2 than the Decimal number entered is the output		
	}
	 else if(i!=1 || i!=2)
	{
		cout<<endl<<"your entry is invalid please try again"<<endl<<endl;// other entry the
		cin>>i;
	}

	
}