#include "pch.h"
#include <iostream>
#include <string>
#include <cmath>
#include <math.h>
#include <conio.h>
#include<Windows.h>

using namespace std;

char choose, w;
bool run = true, wybor = false;
long double  p, a, b, h, r, o, d1, d2, c, d, P;
string X;

void inPut()
{
	cout << "wybierz figure \n";
	cout << "----------------------------\n";
	cout << "1 - okrag \n";
	cout << "2 - romb \n";
	cout << "3 - rowboleglobok \n";
	cout << "4 - trapez \n";
	cout << "5 - kwadrat \n";
	cout << "6 - szesciakat foremny \n";
	cout << "q - EXIT \n";
	cin >> choose;
	system("cls");
}
void MemFree()
{
	a = NULL;
	b = NULL;
	h = NULL;
	r = NULL;
	d1 = NULL;
	d2 = NULL;
	c = NULL;
	d = NULL;
	P = NULL;
	w = NULL;
}
void wyb()
{
	wybor = false;
	while (w != '1'&&w != '2')
	{
		cout << "1 - oblicz pole \n";
		cout << "2 - oblicz obwod \n";
		cin >> w;
	}
}
void okrag()
{
	while (r <= 0)
	{
		cout << "podaj promien wiekszy od 0: \n";
		cin >> r;
		system("cls");
	}
	wyb();
	switch (w)
	{
	case '1':
		p = (3.14 * r*r);
		cout << p << endl;
		break;
	case '2':
		o = (2 * 3.14 * r);
		cout << o << endl;
		break;
	}
	system("pause");
}
void romb()
{
	while (d1 <= 0 || d2 <= 0 || a <= 0)
	{
	cout << "podaj przekatne wieksze od 0 \n";
	cin >> d1;
	cin >> d2;
	cout << "podaj bok wieksze od 0\n";
	cin >> a;
	system("cls");
	}
	wyb();
	switch (w)
	{
	case '1':
		p = (d1*d2) / 2;
		cout << p << endl;
		break;
	case '2':
		o = 4 * a;
		cout << o << endl;
		break;
	}
	system("pause");
}
void rownoleglobok()
{
	while (a <= 0 || b <= 0 || h <= 0)
	{
		cout << "podaj podstawy \n";
		cin >> a;
		cin >> b;
		cout << "podaj wysokosc \n";
		cin >> h;
		system("cls");
	}
	wyb();
	switch (w)
	{
	case '1':
		p = a * h;
		cout << p << endl;
		break;
	case '2':
		o = (2 * a) + (2 * b)
			;
		cout << o << endl;
		break;
	}
	system("pause");
	a = NULL;
	b = NULL;
	h = NULL;
}
void trapez()
{
	while(a <= 0 || b <= 0 || c <= 0||h<=0){
	cout << "podaj podstawy wieksze od 0: \n";
	cin >> a;
	cin >> b;
	cout << "podaj dlugosc bokow wieksza od 0: \n";
	cin >> c;
	cout << "podaj wys wieksza od 0: \n";
	cin >> h;
	system("cls");
	}
	wyb();
	switch (w)
	{
	case '1':
		p = (a + b)*h / 2;
		cout << p << endl;
		break;
	case '2':

		o = a + b + (2*c) ;
		cout << o << endl;
		break;
	}
	system("pause");
}
void kwadrat() {
	while (a <= 0)
	{
		cout << "podaj bok wiekszy od 0 \n";
		cin >> a;
		system("cls");
	}
	wyb();
	switch (w)
	{
	case '1':
		p = a * a;
		cout << p << endl;
		break;
	case '2':
		o = 4 * a;
		cout << o << endl;
		break;
	}
	system("pause");
}
void szesciokat() {
	wyb();
	while (a <= 0)
	{
		cout << "podaj bok rozny od 0 \n";
		cin >> a;
		system("cls");
	}
	switch (w)
	{
	case '1':
		p = (3 * a*a*sqrt(3)) / 2;
		cout << p << endl;
		break;
	case '2':
		o = 6 * a;
		cout << o << endl;
		break;
	}
	system("pause");
}
void Choose()
{
	switch (choose)
	{
	case '1':
		okrag();
		break;
	case '2':
		romb();
		break;
	case '3':
		rownoleglobok();
		break;
	case '4':
		trapez();
		break;
	case '5':
		kwadrat();
		break;
	case '6':
		szesciokat();
		break;
	case 'q':
		run = false;
		break;
	default:
		cout << "error";
		break;
	}
}
int main()
{
	while (run == true)
	{
		system("cls");
		inPut();
		Choose();
		MemFree();
	}
}