/******************************************************************************
 * This program computes NFL passer ratings.
 * 
 * Copyright © 2020 Richard Lesh.  All rights reserved.
 *****************************************************************************/

#undef NDEBUG

#include "Utils.hpp"
#include <clocale>
#include <codecvt>
#include <fmt/format.h>
#include <fmt/xchar.h>
#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);

    try {
        wstring input_str;
        int attempts;
        input_str = Utils::prompt(L"Number of attempts: ");
        attempts = stoi(input_str);
        int completions;
        input_str = Utils::prompt(L"Number of completions: ");
        completions = stoi(input_str);
        int touchdown_passes;
        input_str = Utils::prompt(L"Number of touchdown passes: ");
        touchdown_passes = stoi(input_str);
        int interceptions;
        input_str = Utils::prompt(L"Number of interceptions: ");
        interceptions = stoi(input_str);
        int passing_yards;
        input_str = Utils::prompt(L"Number of passing yards: ");
        passing_yards = stoi(input_str);

        double const a = (completions / double(attempts) - 0.3) * 5.;
        double const b = (passing_yards / double(attempts) - 3.) * 0.25;
        double const c = touchdown_passes / double(attempts) * 20.;
        double const d = 2.375 - (interceptions / double(attempts) * 25.);
        double const RATING = (a + b + c + d) / 6. * 100.;
        wcout << fmt::format(L"Passer rating: {0:.1f}", RATING) << endl;
    } catch (invalid_argument ex) {
        wcout << wstring(L"Bad input! ") + Utils::exceptionMessage<wchar_t>(ex) << endl;
    } catch (...) {
        wcout << L"Don't know what went wrong!" << endl;
    }
    return 0;
}