import java.nio.file.Path;

import processing.sound.*;

SoundFile file;

boolean loading = true;
boolean loadingphase2 = false;
boolean select;
boolean processing;
boolean playing;

String from;
String newPath;

boolean folderSelected = false;
boolean fileSelected = false;

void setup() {
  size(600,300);
}

void draw() {
  if(loading) {
    loading();
  }
  if(select) {
    select();
  }
  if(processing) {
    processing();
  }
  if(playing) {
    playing();
  }
}

void loading() {
  background(0);
  textSize(20);
  textAlign(CENTER);
  fill(255);
  text("Hello, please choose an mp3 file to play.", width/2, height/2-100);
  fill(25,255,255);
  rect(width/2-100, height/2-50, 200, 50);
  textAlign(CENTER);
  textSize(30);
  fill(0);
  text("LOADING...", width/2, height/2-15);
  while(loadingphase2) {
    delay(3000);
    select = true;
    loading = false;
    loadingphase2 = false;
  }
  loadingphase2 = true;
}

void select() {
  background(0);
  textSize(20);
  textAlign(CENTER);
  fill(255);
  text("Hello, please choose an mp3 file to play.", width/2, height/2-100);
  fill(25,255,255);
  rect(width/2-100, height/2-50, 200, 50);
  textAlign(CENTER);
  textSize(30);
  fill(0);
  text("UPLOAD", width/2, height/2-15);
}

void processing() {
  background(0);
  textSize(20);
  textAlign(CENTER);
  fill(255);
  text("Nicely done! Now, please select the 'data' folder. /n It's in the folder with this code-app.", width/2, height/2-100);
  fill(25,255,255);
  rect(width/2-100, height/2-50, 200, 50);
  textAlign(CENTER);
  textSize(30);
  fill(0);
  text("SELECT", width/2, height/2-15);
}

void playing() {
  if(fileSelected) {
    background(0);
    textSize(30);
    textAlign(CENTER);
    text("Alright, enjoy the music.", width/2, height/2);
    file = new SoundFile(this, "music.mp3");
    file.play();
    fileSelected = false;
    playing = false;
  }
}

void fileSelected(File selection) {
  if (selection == null) {
    println("Window was closed or the user hit cancel.");
  } else {

    from = selection.getPath();

    Path to = selection.get(sketchPath()+"/data/"+"music.mp3");
    selection.copy(from, to);

    fileSelected = true;
    playing = true;
    select = false;
  }
}

/*void folderSelected(File selection) {
  if (selection == null) {
    println("Window was closed or the user hit cancel.");
  } else {
    Path to = selection.getAbsolutePath();
    Files.copy(from, to.resolve(source.getFileName()));

    folderSelected = true;



    playing = true;
    processing = false;
  }
}*/

void mouseReleased() {
  if(mouseX <= width/2+100 && mouseX >= width/2-100 && mouseY <= height/2+50 && mouseY >= height/2-50 && select) {
    selectInput("Select an mp3 file to play.", "fileSelected");
  }
/*  if(mouseX <= width/2+100 && mouseX >= width/2-100 && mouseY <= height/2+50 && mouseY >= height/2-50 && processing) {
    selectFolder("Select a folder to process:", "folderSelected");
  }*/
}