package chromesthesia0;

import painter.SPainter;

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

public class Chromesthesia {
    /**
     * @param args the command line arguments
     */
      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 String melody;

      // THE INTERPRETER

    public static void interpreter() {
        initialization(); // miro and pitches
        while ( true ) {
            String input = getInput();
            if ( input.equalsIgnoreCase("EXIT") ) {
                break;
            } else if ( input.equalsIgnoreCase("AGAIN") ) {
                if ( melody == null ) {
                    miro.setVisible(false);
                    showErrorMessage("### NO PREVIOUS MELODY FOUND");
                } else {
                    try {
                        playMelody(melody,pitches);
                    } catch (Exception ex) {
                        showErrorMessage(ex.toString());
                    }
                }
            } else {
                try {
                    melody = input;
                    playMelody(melody,pitches);
                } catch (Exception ex) {
                    showErrorMessage(ex.toString());
                }
            }
        }
        cleanup(); // miro has to go
    }
    // METHODS PERTAINING TO THE CHROMESTHETIC PITCHES

    private static Pitch[] establishPitches(SPainter painter) {
        Pitch[] pitches = new Pitch[21];
        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;
        Pitch pitchMiddleF = new Pitch("F",painter);
        pitches[9] = pitchMiddleF;
        Pitch pitchLowF = new Pitch("F,",painter);
        pitches[10] = pitchLowF;
        Pitch pitchHighF = new Pitch("f",painter);
        pitches[11] = pitchHighF;
        Pitch pitchMiddleG = new Pitch("G",painter);
        pitches[12] = pitchMiddleG;
        Pitch pitchLowG = new Pitch("G,",painter);
        pitches[13] = pitchLowG;
        Pitch pitchHighG = new Pitch("g",painter);
        pitches[14] = pitchHighG;
        Pitch pitchMiddleA = new Pitch("A",painter);
        pitches[15] = pitchMiddleA;
        Pitch pitchLowA = new Pitch("A,",painter);
        pitches[16] = pitchLowA;
        Pitch pitchHighA = new Pitch("a",painter);
        pitches[17] = pitchHighA;
        Pitch pitchMiddleB = new Pitch("B",painter);
        pitches[18] = pitchMiddleB;
        Pitch pitchLowB = new Pitch("B,",painter);
        pitches[19] = pitchLowB;
        Pitch pitchHighB = new Pitch("b",painter);
        pitches[20] = pitchHighB;
        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 melody, Pitch[] pitches) throws Exception {
        Scanner scanner = new Scanner(melody);
        while ( scanner.hasNext() ) {
            String token = scanner.next();
            String pitchName;
            String duration = "";
            if ( token.indexOf(",") < 0 ) {
                pitchName = token.substring(0,1);
                duration = token.substring(1);
            } else {
                pitchName = token.substring(0,2);               duration = token.substring(2);
            }
            if ( duration.length() == 0 ) { duration = "1"; }
            Pitch pitch = find(pitchName,pitches);
            pitch.play(duration);
        }
    }
    // INITIALIZATION, CLEANUP, GETTING INPUT, ERROR MESSAGING

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

    private static 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 CHROMESTHESTIC PITCH CLASS OBJECTS

        pitches = establishPitches(miro);
        display(pitches);
    }

    private static String getInput() {
        miro.setVisible(false);
        String label = "Please enter a melody in ABC notation, AGAIN to repeat a previous melody, or EXIT ... ";
        String input = JOptionPane.showInputDialog(null,label);
        miro.setVisible(true);
        miro.pause(100);
        if ( input == null ) { input = ""; }
        return input;
    }
    private static void cleanup() {
        System.exit(0);
    }
  }