package chromesthesia0;

import painter.SPainter;

import javax.swing.*;
import java.util.Scanner;

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;

    //THE INTERPRETER

    public static void interpreter() {
        initialization(); //j miro and pitches

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

    cleanup(); //miro has to go
}
//METHOD PERTAINING TO THE CHROMESTETIC 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 = i + 1){
            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 = i + 1) {
            System.out.println(pitches[i].toString());
        }
    }

    private static void playMelody(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, CLEAN UP, GETTING INPUT, ERROR MESSAGING

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

            static private void initialization() {
                //ESTABLISH THE PAINTER 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 notations, or EXIT ...";
                String input = JOptionPane.showInputDialog(null, label);
                miro.setVisible(true);
                if (input == null) { input = ""; }
                return input;
            }

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