/*
* DW added in smoothing of ultrsasound response, range multiplier rather than the width threshold
*/

import processing.serial.*;

  // width and height should be set here
  int xWidth = 300;
  int yHeight = 100;

  // set framerate
  int fr = 15;
  //config vars
  boolean output = true; //display debug
  
  // these variables are for the serial port connection object
  Serial portA;
  Serial portB;
  Serial portC;
  // String portnameA = "/dev/tty.ARD_BT_MOTO_A-Bluetooth-1";  // find the name of your serial port in your system setup!
  String portnameA = "COM4";  // find the name of your serial port in your system setup!
  String portnameB = "COM6";  // find the name of your serial port in your system setup!
  String portnameC = "COM8";  // find the name of your serial port in your system setup!
  int baudrate = 115200;  //  set baudrate here
  int valueA;  // variables used to store value from serial port
  int valueB;  // variables used to store value from serial port
  int valueC;  // variables used to store value from serial port
  String buf=""; // String buffer to store serial values
  boolean startval = false;  // startval is the start time stamp
  boolean endval = false;  // endval is the end time stamp
  boolean motionA = false; //default the current motion status to *no motion* 
  boolean motionB = false; //default the current motion status to *no motion* 
  boolean motionC = false; //default the current motion status to *no motion* 
  
  // setup timestamp parameters
  int secs = 0;
  int mins = 0;
  int hours = 0;
  int days = 0;
  int months = 0;
  int years = 0;
  String timestamp = ""; //format will be ISO std 2002-09-20T15:48:20.220

// setup initializes displayItems and serial port objects
void setup(){

  size(xWidth, yHeight);
  frameRate(fr);
  println(Serial.list()); // List all the available serial ports:

  portA = new Serial(this, portnameA, baudrate);
  println(portA);
  portB = new Serial(this, portnameB, baudrate);
  println(portB);
  portC = new Serial(this, portnameC, baudrate);
  println(portC);
      
  background(255);
}

// draw listens to serial port, draw 
void draw(){
  
  while(portA.available() > 0){
    valueA = portA.read();
    serialEvent(valueA);
    
    String pirdata[] = loadStrings("pirdata.csv");
    if(valueA!=10) { //ignore the line return on intere
      if(startval){
        String newdata[] = append(pirdata, "MotoA,1," + timestamp);
        saveStrings("data/pirdata.csv", newdata);
        motionA = true;
        if(output) println("MotoA,1," + timestamp);
      }
      if(endval){
        String newdata[] = append(pirdata, "MotoA,0," + timestamp);
        saveStrings("data/pirdata.csv", newdata);
        motionA = false;
        if(output) println("MotoA,0," + timestamp);
      }
    }      
  }

  while(portB.available() > 0){
    valueB = portB.read();
    serialEvent(valueB);
    
    String pirdata[] = loadStrings("pirdata.csv");
    if(valueB!=10) { //ignore the line return on intere
      if(startval){
        String newdata[] = append(pirdata, "MotoB,1," + timestamp);
        saveStrings("data/pirdata.csv", newdata);
        motionB = true;
        if(output) println("MotoB,1," + timestamp);
      }
      if(endval){
        String newdata[] = append(pirdata, "MotoB,0," + timestamp);
        saveStrings("data/pirdata.csv", newdata);
        motionB = false;
        if(output) println("MotoB,0," + timestamp);
      }
    }      
  }

  while(portC.available() > 0){
    valueC = portC.read();
    serialEvent(valueC);
    
    String pirdata[] = loadStrings("pirdata.csv");
    if(valueC!=10) { //ignore the line return on intere
      if(startval){
        String newdata[] = append(pirdata, "MotoC,1," + timestamp);
        saveStrings("data/pirdata.csv", newdata);
        motionC = true;
        if(output) println("MotoC,1," + timestamp);
      }
      if(endval){
        String newdata[] = append(pirdata, "MotoC,0," + timestamp);
        saveStrings("data/pirdata.csv", newdata);
        motionC = false;
        if(output) println("MotoC,0," + timestamp);
      }
    }      
  }

  smooth();
  noStroke();
  fill(0,4);
  rect(0,0,width,height);
    
  float elipsize = random(12,40);
  if(motionA){
    stroke(random(50,150), random(100,200), 0, 50);
    stroke(80);
    fill(random(50,150), random(150,250), 0, elipsize*2);
    ellipse(random(width/3), random(height), elipsize, elipsize);
  }else if(motionA == false){
    stroke(random(150,250), 0, random(10,50), 50);
    stroke(80);
    fill(random(200,250), 0, random(10,50), elipsize*2);
    ellipse(random(width/3), random(height), elipsize, elipsize);
  };  
  if(motionB){
    stroke(random(50,150), random(100,200), 0, 50);
    stroke(80);
    fill(random(50,150), random(150,250), 0, elipsize*2);
    ellipse(random(width/3,(width*2)/3), random(height), elipsize, elipsize);
  }else if(motionB == false){
    stroke(random(150,250), 0, random(10,50), 50);
    stroke(80);
    fill(random(200,250), 0, random(10,50), elipsize*2);
    ellipse(random(width/3,(width*2)/3), random(height), elipsize, elipsize);
  };  
  if(motionC){
    stroke(random(50,150), random(100,200), 0, 50);
    stroke(80);
    fill(random(50,150), random(150,250), 0, elipsize*2);
    ellipse(random((width*2)/3,width), random(height), elipsize, elipsize);
  }else if(motionC == false){
    stroke(random(150,250), 0, random(10,50), 50);
    stroke(80);
    fill(random(200,250), 0, random(10,50), elipsize*2);
    ellipse(random((width*2)/3,width), random(height), elipsize, elipsize);
  };  
    
  delay(50);
}

// the serial event function takes the value of the event and store it in the corresponding variable
void serialEvent(int serial){

    timestamp = "";     // reset it
    startval = false;   // reset it
    endval = false;     // reset it

    if(serial!=10) {        
          buf += char(serial);   
            
            secs = second();  // Values from 0 - 59
            mins = minute();  // Values from 0 - 59
            hours = hour();    // Values from 0 - 23
            days = day();    // Values from 1 - 31
            months = month();  // Values from 1 - 12
            years = year();   // 2003, 2004, 2005, etc.

            String monthf = "";
            if(months<10){monthf = ("-" + "0"+months+"-");}else{monthf = ("-" + months+"-");};
            String dayf = "";
            if(days<10){dayf = ("0"+days + " ");}else{dayf = (days + " ");};
            String hoursf = "";
            if(hours<10){hoursf = ("0"+hours+":");}else{hoursf = (hours+":");};
            String minsf = "";
            if(mins<10){minsf = ("0"+mins+":");}else{minsf = (mins+":");};
            String secsf = "";
            if(secs<10){secsf = ("0"+secs);}else{secsf = ("" + secs);};
                        
            timestamp = (years + monthf + dayf + hoursf + minsf + secsf);
  
            if(buf.equals("1")){
              startval = true; //for db
              endval = false;
            }else if (buf.equals("0")){
              startval = false;
              endval = true;
            }else{
              println("oops serial event but not 1 or 0");
            };
            //println(":"+buf+":");
            buf="";
       }
     }