#include "pch.h"
#include <iostream>
#include <iomanip>
#include <string>




using namespace std; 
int menu(int x) {
	cout << "Enter which formula to solve \n";
	cout << "1 Cash Flow\n";
	cout << "2 Leverage Ratio\n";
	cout << "3 Real Return\n";
	cout << "4 Percentage Return\n";
	cout << "5 Years to Double Investment\n";
	cout << "Enter anything else to exit\n";
	
	cin >> x;
	return x;
}
double cashflow(double income, double expenses) {
	double cf;
	cout << setprecision(2) << fixed;
	cf = income - expenses;
	
	return cf;
}
double leverageratio(double totaldebt, double totalequity) {
	double lr;
	cout << setprecision(2) << fixed;
	lr = totaldebt / totalequity;
	
	return lr;
}
double RealReturn(double investmentreturn, double inflationrate) {
	double rr;
	cout << setprecision(2) << fixed;
	rr = ((1 + investmentreturn) / (1 + inflationrate) - 1) * 100;
	
	return rr;
}
double PercentageIncrease(double purchaseprice, double marketprice) {
	double p;
	cout << setprecision(2) << fixed;
	p = (marketprice - purchaseprice) / purchaseprice;
	
	return p;
}
double YearstoDouble(double annualinterestrate) {
	double di;
	cout << setprecision(2) << fixed;
	di = 72 / annualinterestrate / 100;
	
	return di;
}
int main()
{
	double income, expenses, totaldebt, totalequity, marketprice, purchaseprice, investmentreturn, inflationrate, annualinterstrate;
	int x;
	
	cout << "Created by: George Tsolometes \n";
	cout << "This program will calculate your Cashflow, Leverage Ratio, Real Return, Percentage Increase, and Years to Double your Income.\n";
	cout << "Please enter the following information \n";

	cout << "Income: "; 
	cin >> income;
	
	cout << "\n";
	cout << "Expenses: ";
	cin >> expenses;
	
	cout << "\n";
	cout << "Total debt: ";
	cin >> totaldebt;
	
	cout << "\n";
	cout << "Total equity: ";
	cin >> totalequity;
	
	
	if (totalequity == 0)
	{
		while (totalequity == 0) {
			cout << "You cannot enter 0 for Total equity.\n";
			cout << "Total equity: ";
			cin >> totalequity;
			
		}
		
	}
	
	cout << "\n";
	cout << "Return on investment: ";
	cin >> investmentreturn;
	
	cout << "\n";
	cout << "Inflation rate: ";
	cin >> inflationrate;
	
	cout << "\n";
	cout << "Market price of asset: ";
	cin >> marketprice;
	
	cout << "\n";
	cout << "Purchase price of asset: ";
	cin >> purchaseprice;
	

	if (purchaseprice == 0)
	{
		while (purchaseprice == 0) {
		cout << "You cannot enter 0 as Purchase Price.\n";
		cout << "Purchase price: ";
		cin >> purchaseprice;
		
		}
		
	}
	cout << "\n";
	cout << "Annual interst rate: ";
	cin >> annualinterstrate;
	

	if (annualinterstrate == 0)
	{
		while (annualinterstrate == 0) {
			cout << "You cannot enter 0 for annual interest rate.\n";
			cout << "Annual interst rate: ";
			cin >> annualinterstrate;
			
		}

	}
	cout << "\n";
	
	menu(x);
	
	
	while (x == 1 || x == 2 || x == 3 || x == 4 || x == 5) {
		
		
		if (x == 1) {
			double cf= cashflow(income, expenses);
			cout << endl;
			cout << "Your cash flow is " << cf << endl;
			cout << endl;
			cout << endl;
			menu(x);
			
		}
		else if (x == 2) {
			double lr = leverageratio(totaldebt, totalequity);
			cout << endl;
			cout << "Your leverage Ratio is " << lr << endl;
			cout << endl;
			cout << endl;
			menu(x);
			
		}
		else if (x == 3) {
			double rr=RealReturn(investmentreturn, inflationrate);
			cout << endl;
			cout << "Your Real return is " << rr << endl;
			cout << endl;
			cout << endl;
			menu(x);
			
		}
		else if (x == 4) {
			double p=PercentageIncrease(purchaseprice, marketprice);
			cout << endl;
			cout << "Your Percentage increase of the value of your asset is " << p << endl;
			cout << endl;
			cout << endl;
			menu(x);
			
		}
		else if (x == 5) {
			double di=YearstoDouble(annualinterstrate);
			cout << endl;
			cout << "Years to double your investment is " << di << endl;
			cout << endl;
			cout << endl;
			menu(x);
			
		}
		else;
			
	}
		 

	return 0;
   
}