/* ===== pfod Command for Video 11a Template ====
pfodApp msg {.} --> {,~<prompt not set>`0~V1|+A~z}
 */
// Using Serial and 9600 baud for send and receive
// Flora Bluefruit LE or Bluefruit LE UART Friend
/* Code generated by pfodDesignerV3 V3.0.3630
 */
/*
 * (c)2014-2018 Forward Computing and Control Pty. Ltd.
 * NSW Australia, www.forward.com.au
 * This code is not warranted to be fit for any purpose. You may only use it at your own risk.
 * This generated code may be freely used for both private and commercial use
 * provided this copyright is maintained.
 */

// download the libraries from http://www.forward.com.au/pfod/pfodParserLibraries/index.html
// pfodParser.zip V3.35+ contains pfodParser, pfodSecurity, pfodDelay, pfodBLEBufferedSerial, pfodSMS and pfodRadio
#include <pfodParser.h>

// pfodDwgControls.zip V1.0+ contains pfodDwgControls.h includes DesignerSwitch.h
#include <pfodDwgControls.h> 

int swap01(int); // method prototype for slider end swaps

const int maxTextChars = 14;  //string input limited to 14 chars, can be changed if desired
byte currentText[maxTextChars + 1]  = "String?"; // allow max 14 chars + null == 15  //string input limited to 14 chars
                                                  //String?, is the prompt, when opening the 1st time My String Input Menu page
char* myString;


pfodParser parser("V2"); // create a parser to handle the pfod messages

unsigned long plot_mSOffset = 0; // set by {@} response
bool clearPlot = false; // set by the {@} response code

pfodDwgs dwgs(&parser);  // drawing support
// Commands for drawing controls only need to unique per drawing, you can re-use cmd 'a' in another drawing.


// the setup routine runs once on reset:
void setup() {
  Serial.begin(9600);
  for (int i=3; i>0; i--) {
    // wait a few secs to see if we are being programmed
    delay(1000);
  }
  parser.connect(&Serial); // connect the parser to the i/o stream


  // <<<<<<<<< Your extra setup code goes here

}

// the loop routine runs over and over again forever:
void loop() {
  uint8_t cmd = parser.parse(); // parse incoming data from connection
  // parser returns non-zero when a pfod command is fully parsed
  if (cmd != 0) { // have parsed a complete msg { to }
    uint8_t* pfodFirstArg = parser.getFirstArg(); // may point to \0 if no arguments in this msg.
    pfod_MAYBE_UNUSED(pfodFirstArg); // may not be used, just suppress warning
    long pfodLongRtn; // used for parsing long return arguments, if any
    pfod_MAYBE_UNUSED(pfodLongRtn); // may not be used, just suppress warning
    if ('.' == cmd) {
      // pfodApp has connected and sent {.} , it is asking for the main menu
      if (!parser.isRefresh()) {
        sendMainMenu(); // send back the menu designed
      } else {
        sendMainMenuUpdate(); // menu is cached just send update
      }

      // handle {@} request
    } else if('@'==cmd) { // pfodApp requested 'current' time
      plot_mSOffset = millis(); // capture current millis as offset rawdata timestamps
      clearPlot = true; // clear plot on reconnect as have new plot_mSOffset
      parser.print(F("{@`0}")); // return `0 as 'current' raw data milliseconds
    

    // now handle commands returned from button/sliders
    } else if('A'==cmd) { // user pressed menu item that loaded drawing with load cmd 'z'
      //empty blank row
      byte dwgCmd = parser.parseDwgCmd();  // parse rest of dwgCmd, return first char of active cmd
      // can be \0 if no dwg or no active areas defined
      // << Modify this code for your own controls
      if(dwgCmd == 'a')  {  //send text input screen for header name   //if touchzone 'a' is pressed go to this function
        sendTextInputScreen();   //function sendTextInputScreen()                                      
        }                                                             

    } else  if ('b' == cmd)  {  //this code is developed in part from Forward Computing and Control Pty Ltd website examples                   
      // return from text input,  pickup the first arg which is the number 
      strncpy((char*)currentText, (const char*)pfodFirstArg, sizeof(currentText) - 1); // keep null at end 
      myString = ((char*)currentText);           
      sendDrawingUpdates_z();  //sending back this pfod message so pfod does not disconnect     
  
    } else if ('z' == cmd) { // pfodApp is asking to load dwg 'z'
      if (!parser.isRefresh()) { // not refresh, send whole dwg
        parser.parseLong(pfodFirstArg,&pfodLongRtn); // parse first arg as a long
        sendDrawing_z(pfodLongRtn);
      } else { // refresh just update drawing state
        sendDrawingUpdates_z();
      }

    } else if ('!' == cmd) {
      // CloseConnection command
      closeConnection(parser.getPfodAppStream());
    } else {
      // unknown command
      parser.print(F("{}")); // always send back a pfod msg otherwise pfodApp will disconnect.
    }
  }
  //  <<<<<<<<<<<  Your other loop() code goes here   
}

void closeConnection(Stream *io) {
  // add any special code here to force connection to be dropped
}

void sendTextInputScreen() {  //this code is developed from Forward Computing and Control Pty Ltd website examples
  parser.print(F("{'b`"));    
  parser.print(maxTextChars); 
  parser.print(F("~Text Input\nYOU MUST NOT EXIT AT THIS POINT\nAT A MINIMUM A SAVE IS REQUIRED\n(Limited to 14 chars by Arduino code to match allocated storage)"
                 "|"));  //you can alter the text you want displayed at the bottom of the string input page           
  parser.print((char*)currentText); 
  parser.print(F("}"));         
}                              

void sendMainMenu() {
  // !! Remember to change the parser version string
  //    every time you edit this method
  parser.print(F("{,"));  // start a Menu screen pfod message
  // send menu background, format, prompt, refresh and version
  //the following format line below is: <bg s> is silver for background, <b> is bold, <-1> is font size, <n> is for navy font colour
  parser.print(F("<bg s><b><-1><n>~My String Input Menu`0"));  
  parser.sendVersion(); // send the menu version 
  // send menu items
  parser.print(F("|+A~z"));
  parser.print(F("}"));  // close pfod message
}

void sendMainMenuUpdate() {
  parser.print(F("{;"));  // start an Update Menu pfod message
  // send menu items
  parser.print(F("|+A"));
  parser.print(F("}"));  // close pfod message
  // ============ end of menu ===========
}

void sendDrawing_z(long dwgIdx) {
  if (dwgIdx == 0) {
    sendDrawing_z0();
  } else if (dwgIdx == 1) {
    sendDrawing_z1();
  // add more parts of the dwg here if needed  
  } else {
    parser.print(F("{}")); // always return somthing
  }
}

void sendDrawing_z0() {  
  dwgs.start(200, 225, dwgs.WHITE,true); //menu size set to 200 columns x 225 rows, menu is white on a silver background
  parser.sendRefreshAndVersion(0); // send the parser version to cache this image, no auto-refresh  
  //create a rounded rectangle button, with a label on it, and a touchzone  
  dwgs.rectangle().size(40, 10).offset(100.00, 10).color(14).rounded().filled().send();  //button for touchzone
  dwgs.label().fontSize(7).bold().offset(120.00, 15.00).color(1).text(F("String Input")).send();  //label on button
  dwgs.touchZone().cmd('a').size(30, 0.1).offset(105.00, 15.00).send();  //create a touchzone here, note 5mm shorter on each side
                                                                          //see pfod Spec page 43 for more info (Dwg Active Areas)
  //create an updateable label for the string that is entered  (NOTE: must be indexed)  
  dwgs.label().idx(1).fontSize(8).offset(50, 15).color(4).text(myString).bold().send();  //this line prints the prompt: String?
  dwgs.end();                                                                              //when opening My String Input Menu
}                                                                                            //for the 1st time

void sendDrawing_z1() {
  dwgs.startUpdate(true); //true means more to come, 
  // empty command line so pfodApp will not ask for more
  dwgs.end();
}

void sendDrawingUpdates_z() {
  dwgs.startUpdate();  // dwg refresh updates must be <1024 bytes, i.e. can only be 1 msg  
  dwgs.label().idx(1).fontSize(8).offset(50, 15).color(4).text(myString).bold().send();  //this line prints the entered myString    
  dwgs.end();                  
} 

int swap01(int in) {
  return (in==0)?1:0;
}
// ============= end generated code =========