/******************************************************************************
 * This program checks a traingle to see if it is a right triangle.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

#undef NDEBUG

#include "Utils.hpp"
#include <clocale>
#include <codecvt>
#include <iostream>
#include <string>

std::locale utf8loc(std::locale(), new std::codecvt_utf8<wchar_t>);
using namespace std;

int main(int argc, char **argv) {
    setlocale(LC_ALL, "en_US.UTF-8");
    wcout.imbue(utf8loc);
    wcin.imbue(utf8loc);

    wstring const HYPOTENUSE_STR = Utils::prompt(L"Hypotenuse: ");
    wstring const LEG1_STR = Utils::prompt(L"Leg #1: ");
    wstring const LEG2_STR = Utils::prompt(L"Leg #2: ");
    double const HYPOTENUSE = Utils::stodWithDefault(HYPOTENUSE_STR, 0.);
    double const LEG1 = Utils::stodWithDefault(LEG1_STR, 0.);
    double const LEG2 = Utils::stodWithDefault(LEG2_STR, 0.);

    bool const IS_RIGHT_TRIANGLE = HYPOTENUSE * HYPOTENUSE == LEG1 * LEG1 + LEG2 * LEG2;
    wcout << L"Triangle is " << (IS_RIGHT_TRIANGLE ? L"" : L"NOT ") << L"a right triangle!" << endl;
    return 0;
}