package chromesthesia0;

import painter.SPainter;

import javax.swing.JOptionPane;
import java.util.Scanner;
import javax.swing.SwingUtilities;
import painter.SPainter;

public class Chromesthesia {
    //infrastructure for the program -- launching a "graphics" thread

    public static void main (String[] args){
        SwingUtilities.invokeLater(new ThreadForGUI());
    }

    private static class ThreadForGUI implements Runnable {
        @Override
        public void run() {
            new Chromesthesia();
        }
    }

    public Chromesthesia() {
        interpreter();
    }

    //Featured variables


    private static SPainter miro;
    private static Pitch[] pitches;

    private static void interpreter() {

        initialization(); // miro and pitched

        while (true) {
            String input = getInput();
            if (input.equalsIgnoreCase("EXIT")){
                break;
            }else{
                try{
                    playMedlody(input,pitches);
                }catch (Exception ex) {
                    showErrorMessage (ex.toString());
                }
            }
        }

        cleanup(); //miro has to go
    }

    // Methods pertaining to the chromestheic pitches

    private static Pitch[] establishPitches (SPainter painter){
        Pitch [] pitches = new Pitch[9];
        Pitch pitchMiddleC = new Pitch("C", painter);
        pitches [0] = pitchMiddleC;
        Pitch pitchLowC = new Pitch ("C,", painter);
        pitches [1] =pitchLowC;
        Pitch pitchHighC = new Pitch("c", painter);
        pitches [2] = pitchHighC;
        Pitch pitchMiddleD = new Pitch("D", painter);
        pitches [3] = pitchMiddleD;
        Pitch pitchLowD = new Pitch("D,", painter);
        pitches [4] = pitchLowD;
        Pitch pitchHighD = new Pitch("d", painter);
        pitches [5] = pitchHighD;
        Pitch pitchMiddleE = new Pitch("E", painter);
        pitches [6] = pitchMiddleE;
        Pitch pitchLowE = new Pitch("E,", painter);
        pitches [7] = pitchLowE;
        Pitch pitchHighE = new Pitch ("e", painter);
        pitches [8] = pitchHighE;
        return pitches;

    }

    private static Pitch find (String token, Pitch[] pitches) throws Exception {
        for (int i = 0; i < pitches.length; i++){
            Pitch pitch = pitches [i];
            if (pitch.abcName().equals(token)){
                return pitch;
            }
        }
        throw new Exception ("### PITCH " + token + "NOT FOUND");
    }

    private static void display(Pitch[] pitches) {
        for (int i = 0; i< pitches.length; i++){
            System.out.println (pitches[i].toString());
        }
    }

    private static void playMedlody (String input, Pitch[] pitches) throws Exception {
        Scanner scanner = new Scanner(input);
        while (scanner.hasNext()) {
            String token = scanner.next();
            Pitch pitch = find(token, pitches);
            pitch.play ("1");
        }
    }

    // initialization, cleanup, getting input, error messaging

    static private void showErrorMessage (String message){
        miro.setVisible (false);
        JOptionPane.showMessageDialog(null, message);
    }

    private static void initialization() {
        // Establish the [ainter and give it a substantial brush width
        miro = new SPainter("Chromesthesia", 500,500);
        miro.setVisible(false);
        miro.setBrushWidth(7);

        // Establish the chromestitic pitch class objects
        pitches = establishPitches(miro);
        display(pitches);
    }

    private static String getInput() {
        miro.setVisible (false);
        String label = "Please enter a melody in ABC notation, or EXIT... ";
        String input = JOptionPane.showInputDialog(null, label);
        miro.setVisible (true);
        if (input == null) { input= ""; }
        return input;
    }

    static private void cleanup() {
        System.exit(0);
    }

}