package dancinggooglers;

import java.io.File;
import java.util.Scanner;

public class DanceScoreCalculator {


    public static void main(String[] args) {
        if(args.length <= 0 || args[0] == null) {
            System.out.println("You must enter a file to read");
            System.out.println("Usage: blah <filename>");
            System.exit(0);
        }

        File argFile = new File(args[0]);
        try {
            Scanner googleSpeakScanner = new Scanner(argFile);
            String firstLine = googleSpeakScanner.nextLine();
            Integer linesToScan = new Integer(firstLine);
            for(int i = 1; i <= linesToScan; i++) {
                String googleDancerLine = googleSpeakScanner.nextLine();
                DanceScoreCase danceCase = new DanceScoreCase(googleDancerLine);
                System.out.println(String.format("Case #%d: %d", i, danceCase.maxDancersThatCouldPass()));
            }
        }
        catch (Exception e) {
            e.printStackTrace();
        }
    }
}

package dancinggooglers;

import java.util.ArrayList;

public class DanceScoreCase {

    private int dancers;
    private int surpriseScores;
    private int scoreThreshold;
    private ArrayList<Integer> scores;

    public DanceScoreCase(String scoreLine) {

        String[] integers = scoreLine.split(" ");
        if(integers.length < 4) {
            throw new IllegalArgumentException("Not enough strings");
        }

        dancers = new Integer(integers[0]);
        surpriseScores = new Integer(integers[1]);
        scoreThreshold = new Integer(integers[2]);
        scores = new ArrayList<Integer>();
        for(int i = 3; i < integers.length; i++) {
            scores.add(Integer.valueOf(integers[i]));
        }

    }

    public Integer maxDancersThatCouldPass() {
        int passesUnsurprising = 0;
        int passesSurprising = 0;
        ArrayList<Integer> couldNotPassUnsuprising = new ArrayList<Integer>();

        for(Integer score : scores) {
            if(canPassThresholdUnsurprising(score, scoreThreshold)) {
                passesUnsurprising++;
            } else if(canPassThresholdSurprising(score, scoreThreshold)) {
                passesSurprising++;
            }
        }

        return passesUnsurprising + Math.min(passesSurprising, surpriseScores);
    }


    public static boolean canPassThresholdUnsurprising(int score, int threshold) {
        int minScore = Math.max(0, threshold-1);
        return (score >= threshold + 2*minScore);
    }

    public static boolean canPassThresholdSurprising(int score, int threshold) {
        int minScore = Math.max(0, threshold-2);
        return (score >= threshold + 2*minScore);
    }

    public int getDancers() {
        return dancers;
    }

    public int getSurpriseScores() {
        return surpriseScores;
    }

    public int getScoreThreshold() {
        return scoreThreshold;
    }

    public ArrayList<Integer> getScores() {
        return scores;
    }
}
