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

import org.pureprogrammer.Utils;

public class FootballPasserRating2 {

    public static void main(String[] args) {
        try {
            String inputStr;
            int attempts;
            inputStr = Utils.prompt("Number of attempts: ");
            attempts = Integer.parseInt(inputStr);
            int completions;
            inputStr = Utils.prompt("Number of completions: ");
            completions = Integer.parseInt(inputStr);
            int touchdownPasses;
            inputStr = Utils.prompt("Number of touchdown passes: ");
            touchdownPasses = Integer.parseInt(inputStr);
            int interceptions;
            inputStr = Utils.prompt("Number of interceptions: ");
            interceptions = Integer.parseInt(inputStr);
            int passingYards;
            inputStr = Utils.prompt("Number of passing yards: ");
            passingYards = Integer.parseInt(inputStr);
            int which;
            inputStr = Utils.prompt("1 for NFL or 2 for NCAA: ");
            which = Integer.parseInt(inputStr);

            if (which == 1) {
                final double a = (completions / (double)(attempts) - 0.3) * 5.;
                final double b = (passingYards / (double)(attempts) - 3.) * 0.25;
                final double c = touchdownPasses / (double)(attempts) * 20.;
                final double d = 2.375 - (interceptions / (double)(attempts) * 25.);
                final double RATING = (a + b + c + d) / 6. * 100.;
                System.out.println(Utils.format("NFL Passer rating: {0:.1f}", RATING));
            } else {
                final double a = 8.4 * passingYards;
                final double b = 330. * touchdownPasses;
                final double c = 100. * completions;
                final double d = 200. * interceptions;
                final double RATING = (a + b + c - d) / attempts;
                System.out.println(Utils.format("NCAA Passer rating: {0:.1f}", RATING));
            }
        } catch (NumberFormatException ex) {
            System.out.println(Utils.join("", "Bad input! ", Utils.exceptionMessage(ex)));
        } catch (Exception ex) {
            System.out.println("Don't know what went wrong!");
        }
    }
}