import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;

public class Tournament {

    private Scanner reader;
    private List<Participant> participantList;
    private int rounds;

    public Tournament(Scanner reader) {
        this.reader = reader;
        this.participantList = new ArrayList<Participant>();
        this.rounds = 0;
    }

    public void start() {
        introduction();
        String participantName = null;

        while (true) {
            System.out.print("  Participant name: ");
            participantName = reader.nextLine();
            if (participantName.isEmpty()) {
                break;
            }
            participantList.add(new Participant(participantName));
        }
        System.out.println();
        beginTournament();
    }

    public void introduction() {
        System.out.println("Kumpula ski jumping week");
        System.out.println();
        System.out.println("Write the names of the participants one at a time; an empty string brings you to the jumping phase.");
    }

    private void beginTournament() {
        System.out.println("The tournament begins!");
        System.out.println();
        while (true) {
            System.out.print("Write \"jump\" to jump; otherwise you quit: ");
            String toJump = reader.nextLine();
            System.out.println();
            if (!toJump.equalsIgnoreCase("jump")) {
                System.out.println("Thanks!");
                System.out.println();
                endResults();
                break;
            }
            this.rounds++;
            startJumping();
        }

    }

    private void startJumping() {
        System.out.println("Round " + this.rounds);
        System.out.println();
        System.out.println("Jumping order:");
        int count = 1;
        sortByLeastPointsFirst();

        for (Participant p : this.participantList) {
            System.out.println("  " + count + ". " + p.getName() + " (" + p.getPoints() + " points)");
            count++;
        }
        results();
    }

    public void sortByLeastPointsFirst() {
        Collections.sort(participantList);
    }

    private void results() {
        System.out.println("Results of round " + rounds);
        for (Participant p : this.participantList) {
            System.out.println("  " + p.getName());
            System.out.println("    length: " + p.calculateLength());
            System.out.println("    judge votes: " + Arrays.toString(p.calculateJudgeVotes()));
        }
    }

    private void endResults() {
        System.out.println("Tournament results:");
        System.out.print("Position    ");
        System.out.println("Name");

        int count = 1;
        for (Participant p : this.participantList) {
            System.out.println(count + "           " + p.getName() + " (" + p.getPoints() + " points)");
            System.out.print("            jump lengths: ");
            getLengthInfo(p);
            count++;
            System.out.println();
        }
    }

    private void getLengthInfo(Participant p) {
        for (int i = 0; i < p.getAllLengths().size(); i++) {
            List<Integer> subList = p.getAllLengths().subList(p.getAllLengths().size() - 1, p.getAllLengths().size());
            int[] convertSubList = new int[subList.size()];
            for (int x = 0; x < convertSubList.length; x++) {
                convertSubList[x] = subList.get(x).intValue();
            }
            if (p.getAllLengths().get(i).equals(convertSubList[0])) {
                System.out.print(" " + p.getAllLengths().get(i).toString() + " m");
            } else {
                System.out.print(" " + p.getAllLengths().get(i).toString() + " m,");
            }

        }
    }

}