/**
  Polargraph controller
  Copyright Sandy Noble 2012.

  This file is part of Polargraph Controller.

  Polargraph Controller is free software: you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation, either version 3 of the License, or
  (at your option) any later version.

  Polargraph Controller is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with Polargraph Controller.  If not, see <http://www.gnu.org/licenses/>.
    
  Requires the excellent ControlP5 GUI library available from http://www.sojamo.de/libraries/controlP5/.
  Requires the excellent Geomerative library available from http://www.ricardmarxer.com/geomerative/.
  
  This is an application for controlling a polargraph machine, communicating using ASCII command language over a serial link.

  sandy.noble@gmail.com
  http://www.polargraph.co.uk/
  http://code.google.com/p/polargraph/
*/


/*------------------------------------------------------------------------
    Details about the "serial port" subwindow
------------------------------------------------------------------------*/

void button_mode_serialPortDialog()
{
  ControlWindow serialPortWindow = cp5.addControlWindow("changeSerialPortWindow",100,100,150,150);
  serialPortWindow.hideCoordinates();
  
  serialPortWindow.setBackground(getBackgroundColour());
  Radio r = cp5.addRadio("radio_serialPort",10,10);
  r.setWindow(serialPortWindow);

  String[] ports = Serial.list();
  if (getSerialPortNumber() >= 0 && getSerialPortNumber() < ports.length)
    r.setValue(getSerialPortNumber());
    
  r.add("setup", -2);
  r.add("No serial connection", -1);
  
  for (int i = 0; i < ports.length; i++)
  {
    r.add(ports[i], i);
  }
  
  int portNo = getSerialPortNumber();
  if (portNo > -1 && portNo < ports.length)
    r.activate(ports[portNo]);
  else
    r.activate("No serial connection");
    
  r.removeItem("setup");
}

void radio_serialPort(int newSerialPort) 
{
  if (newSerialPort == -2)
  {
  }
  else if (newSerialPort == -1)
  {
    println("Disconnecting serial port.");
    useSerialPortConnection = false;
    if (myPort != null)
    {
      myPort.stop();
      myPort = null;
    }
    drawbotReady = false;
    drawbotConnected = false;
    serialPortNumber = newSerialPort;
  }
  else if (newSerialPort != getSerialPortNumber())
  {
    println("About to connect to serial port in slot " + newSerialPort);
    // Print a list of the serial ports, for debugging purposes:
    if (newSerialPort < Serial.list().length)
    {
      try 
      {
        drawbotReady = false;
        drawbotConnected = false;
        if (myPort != null)
        {
          myPort.stop();
          myPort = null;
        }
        if (getSerialPortNumber() >= 0)
          println("closing " + Serial.list()[getSerialPortNumber()]);
        
        serialPortNumber = newSerialPort;
        String portName = Serial.list()[serialPortNumber];
  
        myPort = new Serial(this, portName, getBaudRate());
        //read bytes into a buffer until you get a linefeed (ASCII 10):
        myPort.bufferUntil('\n');
        useSerialPortConnection = true;
        println("Successfully connected to port " + portName);
      }
      catch (Exception e)
      {
        println("Attempting to connect to serial port in slot " + getSerialPortNumber() 
        + " caused an exception: " + e.getMessage());
      }
    }
    else
    {
      println("No serial ports found.");
      useSerialPortConnection = false;
    }
  }
  else
  {
    println("no serial port change.");
  }
}


/*------------------------------------------------------------------------
    Details about the "machine store" subwindow
------------------------------------------------------------------------*/

ControlWindow dialogWindow = null;

void button_mode_machineStoreDialog()
{
  this.dialogWindow = cp5.addControlWindow("chooseStoreFilenameWindow",100,100,450,150);
  dialogWindow.hideCoordinates();
  
  dialogWindow.setBackground(getBackgroundColour());

  Textfield filenameField = cp5.addTextfield("storeFilename",20,20,150,20);
  filenameField.setText(getStoreFilename());
  filenameField.setLabel("Filename to store to");
  filenameField.setWindow(dialogWindow);

  Button submitButton = cp5.addButton("submitStoreFilenameWindow",0,180,20,60,20);
  submitButton.setLabel("Submit");
  submitButton.setWindow(dialogWindow);

  Toggle overwriteToggle = cp5.addToggle("toggleAppendToFile",true,180,50,20,20);
  overwriteToggle.setCaptionLabel("Overwrite existing file");
  overwriteToggle.setWindow(dialogWindow);

  filenameField.setFocus(true);

}

void storeFilename(String filename)
{
  println("Filename event: "+ filename);
  if (filename != null && filename.length() <= 12)
  {
    setStoreFilename(filename);
    sendMachineStoreMode();
  }
}

void toggleAppendToFile(boolean theFlag) 
{
  setOverwriteExistingStoreFile(theFlag);
}

void submitStoreFilenameWindow(int theValue) 
{
  Textfield tf = (Textfield) cp5.controller("storeFilename");
  tf.submit();
}

void button_mode_machineExecDialog()
{
  this.dialogWindow = cp5.addControlWindow("chooseExecFilenameWindow",100,100,450,150);
  dialogWindow.hideCoordinates();
  
  dialogWindow.setBackground(getBackgroundColour());

  Textfield filenameField = cp5.addTextfield("execFilename",20,20,150,20);
  filenameField.setText(getStoreFilename());
  filenameField.setLabel("Filename to execute from");
  filenameField.setWindow(dialogWindow);

  Button submitButton = cp5.addButton("submitExecFilenameWindow",0,180,20,60,20);
  submitButton.setLabel("Submit");
  submitButton.setWindow(dialogWindow);

  filenameField.setFocus(true);

}

void execFilename(String filename)
{
  println("Filename event: "+ filename);
  if (filename != null && filename.length() <= 12)
  {
    setStoreFilename(filename);
    sendMachineExecMode();
  }
}
void submitExecFilenameWindow(int theValue) 
{
  Textfield tf = (Textfield) cp5.controller("execFilename");
  tf.submit();
}

void button_mode_sendMachineLiveMode()
{
  sendMachineLiveMode();
}





/*------------------------------------------------------------------------
    Details about the "drawing" subwindow
------------------------------------------------------------------------*/
void button_mode_drawPixelsDialog()
{
  this.dialogWindow = cp5.addControlWindow("drawPixelsWindow",100,100,450,150);
  dialogWindow.hideCoordinates();
  
  dialogWindow.setBackground(getBackgroundColour());

  Radio rPos = cp5.addRadio("radio_startPosition",10,10);
  rPos.add("Top-right", DRAW_DIR_NE);
  rPos.add("Bottom-right", DRAW_DIR_SE);
  rPos.add("Bottom-left", DRAW_DIR_SW);
  rPos.add("Top-left", DRAW_DIR_NW);
  rPos.setWindow(dialogWindow);

  Radio rSkip = cp5.addRadio("radio_pixelSkipStyle",10,100);
  rSkip.add("Lift pen over masked pixels", 1);
  rSkip.add("Draw masked pixels as blanks", 2);
  rSkip.setWindow(dialogWindow);

//  Radio rDir = cp5.addRadio("radio_rowStartDirection",100,10);
//  rDir.add("Upwards", 0);
//  rDir.add("Downwards", 1);
//  rDir.setWindow(dialogWindow);

  Radio rStyle = cp5.addRadio("radio_pixelStyle",100,10);
  rStyle.add("Variable frequency square wave", PIXEL_STYLE_SQ_FREQ);
  rStyle.add("Variable size square wave", PIXEL_STYLE_SQ_SIZE);
  rStyle.add("Solid square wave", PIXEL_STYLE_SQ_SOLID);
  rStyle.add("Scribble", PIXEL_STYLE_SCRIBBLE);
  if (currentHardware >= HARDWARE_VER_MEGA)
  {
    rStyle.add("Spiral", PIXEL_STYLE_CIRCLE);
    rStyle.add("Sawtooth", PIXEL_STYLE_SAW);
  }
  rStyle.setWindow(dialogWindow);

  Button submitButton = cp5.addButton("submitDrawWindow",0,280,10,120,20);
  submitButton.setLabel("Generate commands");
  submitButton.setWindow(dialogWindow);
  

}

public Integer renderStartPosition = DRAW_DIR_NE; // default top right hand corner for start
public Integer renderStartDirection = DRAW_DIR_SE; // default start drawing in SE direction (DOWN)
public Integer renderStyle = PIXEL_STYLE_SQ_FREQ; // default pixel style square wave
void radio_startPosition(int pos)
{
  this.renderStartPosition = pos;
  radio_rowStartDirection(1);
}
void radio_rowStartDirection(int dir)
{
  if (renderStartPosition == DRAW_DIR_NE || renderStartPosition == DRAW_DIR_SW)
    renderStartDirection = (dir == 0) ? DRAW_DIR_NW : DRAW_DIR_SE;
  else if (renderStartPosition == DRAW_DIR_SE || renderStartPosition == DRAW_DIR_NW)
    renderStartDirection = (dir == 0) ? DRAW_DIR_NE : DRAW_DIR_SW;
}
void radio_pixelStyle(int style)
{
  renderStyle = style;
}
void radio_pixelSkipStyle(int style)
{
  if (style == 1)
    liftPenOnMaskedPixels = true;
  else if (style == 2)
    liftPenOnMaskedPixels = false;
}
void submitDrawWindow(int theValue) 
{
  println("draw.");
  println("Style: " + renderStyle);
  println("Start pos: " + renderStartPosition);
  println("Start dir: " + renderStartDirection);
 
  switch (renderStyle)
  {
    case PIXEL_STYLE_SQ_FREQ: button_mode_renderSquarePixel(); break;
    case PIXEL_STYLE_SQ_SIZE: button_mode_renderScaledSquarePixels(); break;
    case PIXEL_STYLE_SQ_SOLID: button_mode_renderSolidSquarePixels(); break;
    case PIXEL_STYLE_SCRIBBLE: button_mode_renderScribblePixels(); break;
    case PIXEL_STYLE_CIRCLE: button_mode_renderCirclePixel(); break;
    case PIXEL_STYLE_SAW: button_mode_renderSawPixel(); break;
  }
  
   
}

/*------------------------------------------------------------------------
    Details about the "writing" subwindow
------------------------------------------------------------------------*/
String textToWrite = "";
String spriteFilePrefix = "sprite/let";
String spriteFileSuffix = ".txt";

void button_mode_drawWritingDialog()
{
  this.dialogWindow = cp5.addControlWindow("drawWritingWindow",100,100,450,200);
  dialogWindow.hideCoordinates();
  
  dialogWindow.setBackground(getBackgroundColour());

  Textfield spriteFileField = cp5.addTextfield("spriteFilePrefixField",20,20,150,20);
  spriteFileField.setText(getSpriteFilePrefix());
  spriteFileField.setLabel("File prefix");
  spriteFileField.setWindow(dialogWindow);

  Textfield writingField = cp5.addTextfield("textToWriteField",20,60,400,20);
  writingField.setText(getTextToWrite());
  writingField.setLabel("Text to write");
  writingField.setWindow(dialogWindow);

  Button importTextButton = cp5.addButton("importTextButton",0,20,100,120,20);
  importTextButton.setLabel("Load text from file");
  importTextButton.setWindow(dialogWindow);

  Radio rPos = cp5.addRadio("radio_drawWritingDirection",20,140);
//  rPos.add("North-east", DRAW_DIR_NE);
  rPos.add("South-east", DRAW_DIR_SE);
//  rPos.add("South-west", DRAW_DIR_SW);
//  rPos.add("North-west", DRAW_DIR_NW);
  rPos.setWindow(dialogWindow);
  


  Button submitButton = cp5.addButton("submitWritingWindow",0,300,100,120,20);
  submitButton.setLabel("Generate commands");
  submitButton.setWindow(dialogWindow);
}

void spriteFilePrefixField(String value)
{
  spriteFilePrefix = value;
}
void textToWriteField(String value)
{
  textToWrite = value;
}

String getTextToWrite()
{
  return textToWrite;
}
String getSpriteFilePrefix()
{
  return spriteFilePrefix;
}
String getSpriteFileSuffix()
{
  return spriteFileSuffix;
}

void importTextButton()
{
  textToWrite = importTextToWriteFromFile();
  Textfield tf = (Textfield) cp5.controller("textToWriteField");
  tf.setText(getTextToWrite());
  tf.submit();
}


void submitWritingWindow(int theValue) 
{
  println("Write.");
  
  Textfield tf = (Textfield) cp5.controller("spriteFilePrefixField");
  tf.submit();
  tf.setText(getSpriteFilePrefix());
  tf = (Textfield) cp5.controller("textToWriteField");
  tf.submit();
  tf.setText(getTextToWrite());
  
  println("Start dir: " + renderStartDirection);
  println("Sprite file prefix: " + spriteFilePrefix);
  println("Text: " + textToWrite);

  for (int i=0; i<getTextToWrite().length(); i++)
  {
    String filename = getSpriteFilePrefix() + (int) getTextToWrite().charAt(i) + getSpriteFileSuffix();
    addToCommandQueue(CMD_DRAW_SPRITE + int(gridSize * pixelScalingOverGridSize) + "," + filename+",END");
    println(filename);
  }
  
}


/*------------------------------------------------------------------------
    Details about the "sprite" subwindow
------------------------------------------------------------------------*/
String spriteFilename;
int minSpriteSize = 100;
int maxSpriteSize = 500;

void button_mode_drawSpriteDialog()
{
  this.dialogWindow = cp5.addControlWindow("drawSpriteWindow",100,100,450,200);
  dialogWindow.hideCoordinates();
  
  dialogWindow.setBackground(getBackgroundColour());

  delay(200);
  Textfield spriteFilenameField = cp5.addTextfield("spriteFilenameField",20,20,400,20);
  spriteFilenameField.setText("filename.txt");
  spriteFilenameField.setLabel("Sprite filename");
  spriteFilenameField.setWindow(dialogWindow);

  Numberbox minSizeField = cp5.addNumberbox("minimumSpriteSize",20,60,100,20);
  minSizeField.setValue(getMinimumSpriteSize());
  minSizeField.setMin(10);
  minSizeField.setMax(getMaximumSpriteSize());
  minSizeField.setMultiplier(0.5);  
  minSizeField.setLabel("Minimum size");
  minSizeField.setWindow(dialogWindow);

  Numberbox maxSizeField = cp5.addNumberbox("maximumSpriteSize",20,100,100,20);
  maxSizeField.setValue(getMaximumSpriteSize());
  maxSizeField.setMin(getMinimumSpriteSize());
  maxSizeField.setMultiplier(0.5);  
  maxSizeField.setLabel("Maximum size");
  maxSizeField.setWindow(dialogWindow);

  Radio rPos = cp5.addRadio("radio_drawWritingDirection",20,140);
  rPos.add("North-east", DRAW_DIR_NE);
  rPos.add("South-east", DRAW_DIR_SE);
  rPos.add("South-west", DRAW_DIR_SW);
  rPos.add("North-west", DRAW_DIR_NW);
  rPos.setWindow(dialogWindow);
  


  Button submitButton = cp5.addButton("submitSpriteWindow",0,300,100,120,20);
  submitButton.setLabel("Draw sprite");
  submitButton.setWindow(dialogWindow);
}

void radio_drawWritingDirection(int dir)
{
  renderStartDirection = dir;
}

String getSpriteFilename()
{
  return spriteFilename;
}
int getMinimumSpriteSize()
{
  return minSpriteSize;
}
int getMaximumSpriteSize()
{
  return maxSpriteSize;
}

void submitSpriteWindow(int theValue) 
{
  println("Sprite.");
  
  Textfield tf = (Textfield) cp5.controller("spriteFilenameField");
  tf.submit();
  tf.setText(getSpriteFilename());
  
  println("Start dir: " + renderStartDirection);
  println("Filename: " + spriteFilename);

  addToCommandQueue(CMD_DRAW_SPRITE + "," + spriteFilename + "," 
  + getMinimumSpriteSize() + "," + getMaximumSpriteSize() + "," + renderStartDirection + ",END");
  
}


/*------------------------------------------------------------------------
    Details about the "norwegian draw" subwindow
------------------------------------------------------------------------*/
String norwegianExecFilename = "filename.pbm";
int norwegianAmplitude = 20;
int norwegianWavelength = 2;

void button_mode_drawNorwegianDialog()
{
  this.dialogWindow = cp5.addControlWindow("chooseNorwegianFilenameWindow",100,100,450,150);
  dialogWindow.hideCoordinates();
  
  dialogWindow.setBackground(getBackgroundColour());

  Textfield filenameField = cp5.addTextfield("norwegianExecFilename",20,20,150,20);
  filenameField.setText(norwegianExecFilename);
  filenameField.setLabel("Filename to execute from");
  filenameField.setWindow(dialogWindow);

  Numberbox minSizeField = cp5.addNumberbox("norwegianAmplitude",20,60,100,20);
  minSizeField.setValue(norwegianAmplitude);
  minSizeField.setMin(10);
  minSizeField.setMultiplier(0.5);  
  minSizeField.setLabel("Amplitude");
  minSizeField.setWindow(dialogWindow);

  Numberbox maxSizeField = cp5.addNumberbox("norwegianWavelength",20,100,100,20);
  maxSizeField.setValue(norwegianWavelength);
  maxSizeField.setMin(1);
  maxSizeField.setMultiplier(0.5);  
  maxSizeField.setLabel("Wavelength");
  maxSizeField.setWindow(dialogWindow);

  Button outlineButton = cp5.addButton("submitNorwegianExecTraceOutline",0,180,20,80,20);
  outlineButton.setLabel("Trace outline");
  outlineButton.setWindow(dialogWindow);

  Button submitButton = cp5.addButton("submitNorwegianExecFilenameWindow",0,180,100,80,20);
  submitButton.setLabel("Submit");
  submitButton.setWindow(dialogWindow);

  filenameField.setFocus(true);

}

void submitNorwegianExecTraceOutline(int theValue) 
{
  Textfield tf = (Textfield) cp5.controller("norwegianExecFilename");
  tf.submit();
  tf.setText(norwegianExecFilename);
  
  println("Filename:" + norwegianExecFilename);
  
  addToCommandQueue(CMD_DRAW_NORWEGIAN_OUTLINE + norwegianExecFilename + ",END");
}

void submitNorwegianExecFilenameWindow(int theValue) 
{
  Textfield tf = (Textfield) cp5.controller("norwegianExecFilename");
  tf.submit();
  tf.setText(norwegianExecFilename);
  
  println("Filename:" + norwegianExecFilename);
  println("Amplitude:" + norwegianAmplitude);
  println("Wavelength:" + norwegianWavelength);
  
  addToCommandQueue(CMD_DRAW_NORWEGIAN + norwegianExecFilename + ","+norwegianAmplitude+","+norwegianWavelength+",END");
}