/**
 * Author: Josiah Yoder et al.
 * User: yoder
 * Class: SE1011-011
 * Lesson: Week 9, Day 1
 */

import java.util.Scanner;
public class Example011_9_1 {
    public static void main(String[] ignored) {

        // Primitive array approach
        double[] pointsNorth;
        pointsNorth = new double[4];

        double[] pointsEast = new double[4];

        // New improved object approach
        Point011_9_1[] points = new Point011_9_1[4];

        // Competition scores
        // 50-hotdogs
        // high score for the year
        double[] winnersTimeMinutes = new double[5];

        winnersTimeMinutes[0] = 3.5;
        winnersTimeMinutes[1] = 2.5;
        winnersTimeMinutes[2] = 2.6;
        winnersTimeMinutes[3] = 1.8;
        winnersTimeMinutes[4] = 3.4;

        // Can only use this form on the line where the variable
        // is declared.
        double[] winnersTimeMinutes2 = {3.5, 2.5, 2.6, 1.8, 3.4};

        System.out.println("The 5th annual winner's time is: "+
                winnersTimeMinutes[5-1]);

        // In-class activity: Write out all winner's times for
        // all competitions

        // Solution: (Thanks to Pat for sharing his solution here)
        for(int i = 0; i < 5; i++)
        {
            System.out.println(winnersTimeMinutes[i]);
        }

        // Upgraded version that uses "length" of the array
        for(int i = 0; i < winnersTimeMinutes.length; i++)
        {
            System.out.println(winnersTimeMinutes[i]);
        }

        final int MAX_NUM_SCORES = 100;
        double[] scoresMinutes = new double[MAX_NUM_SCORES];
        double input;
        int numScoresEntered;
        Scanner in;
        int i;

        // BUGGY VERSION AT END OF
        System.out.println("BUGGY version");
        input = 0;
        in = new Scanner(System.in);
        i = 0;
        do {
            System.out.println("Enter the score for year "+(i+1));
            input = in.nextDouble();
            if(Math.abs(input) >= 0.001) {
                scoresMinutes[i] = input;
            }
            i++;
        } while(Math.abs(input) >= 0.001 && i<scoresMinutes.length);

        // Bug is here.  Can you see what it is?
        numScoresEntered = i-1;

        for(i=0; i<numScoresEntered; i++) {
            System.out.println("Score for year "+(i+1)+" is "+
                 scoresMinutes[i]);
        }

        // Once you have examined this code and found the bug
        // scroll down for the solution.
        //
        // Try to figure out how to fix it.
        //
        // Give it at least 30 seconds before scrolling down!
        // 5 minutes would be even better!












        // Don't peek until you've tried!  :-)





























        // Here's the bug:
        // If the user enters 100 points,
        // we will only write that they entered 99.
        //
        // Now how do you fix it?
        //
        //
        // Try to write & run the code yourself before looking below.
        //
        // Give it half an hour if you need to.











        // Corrected Version
        // TRY TO FIX THE BUG ABOVE, then look here.
        System.out.println("Corrected version 1");
        input = 0;
        in = new Scanner(System.in);
        i = 0;
        do {
            System.out.println("Enter the score for year "+(i+1));
            input = in.nextDouble();
            if(Math.abs(input) >= 0.001) {
                scoresMinutes[i] = input;
                i++;
            }
        } while(Math.abs(input) >= 0.001 && i<scoresMinutes.length);
        numScoresEntered = i;

        for(i=0; i<numScoresEntered; i++) {
            System.out.println("Score for year "+(i+1)+" is "+
                    scoresMinutes[i]);
        }

        // Bonus: Alternate approach
        System.out.println("Corrected version 2");
        input = 0;
        in = new Scanner(System.in);
        i = 0;
        // Because scoresMinutes.length > 0, we will always want to ask the user
        // at least one question.
        System.out.println("Enter the score for year "+(i+1));
        input = in.nextDouble();
        while(Math.abs(input) >= 0.001 && i < scoresMinutes.length) {
            scoresMinutes[i] = input;

            i++;

            System.out.println("Enter the score for year "+(i+1));
            input = in.nextDouble();
        };
        numScoresEntered = i;

        for(i=0; i<numScoresEntered; i++) {
            System.out.println("Score for year "+(i+1)+" is "+
                    scoresMinutes[i]);
        }

        // Further exercise: Can you convert the input part to a for-loop?
        System.out.println("Corrected version 3 -- loop");
        // TODO: Write this version

    }
}