/************************************************************************************************************************************************************************
 * - Author           : BEE MB                       *
 * - Profession       : (Developer) MEGA DAS owner   *
 * - Main purpose     : Industrial Application       *
 * - Copyright holder : No copyrights                *
 * - Date             : 06/09/2016                   *
 * ***********************************************************************************************************************************************************************/
// the used PINs
const int s0=4;
const int s1=5;
const int s2=6;
const int s3=7;
const int sensorData=8;
const int ledRed=9;
const int ledGreen=10;
const int ledBlue=11;
const int buttonPin=12;

// Global variable to store data
int dataR=0;
int dataG=0;
int dataB=0;
int buttonState=0;

void setup() {
   pinMode(s0,OUTPUT);
   pinMode(s1,OUTPUT);
   pinMode(s2,OUTPUT);
   pinMode(s3,OUTPUT);
   pinMode(sensorData,INPUT);
   pinMode(buttonPin,INPUT);

   Serial.begin(9600);
   digitalWrite(s0,HIGH);
   digitalWrite(s1,HIGH);
}

void loop() {
  buttonState = digitalRead(buttonPin);
  if (buttonState == HIGH) { // check if the pushbutton is pressed.
    printCurrentColor();
  }

   digitalWrite(s2,LOW);
   digitalWrite(s3,LOW);
   dataR=pulseIn(sensorData,LOW);
   delay(20);

   digitalWrite(s2,HIGH);
   digitalWrite(s3,HIGH);
   dataG=pulseIn(sensorData,LOW);
   delay(20);

   digitalWrite(s2,LOW);
   digitalWrite(s3,HIGH);
   dataB=pulseIn(sensorData,LOW);
   delay(20);

   if(isRed())
   {
    Serial.println("this is the RED color");
    led_displayRed();
   }
   if(isBlue())
   {
    Serial.println("this is the BLUE color");
    led_displayBlue();
   }
   if(isGreen())
   {
    Serial.println("this is the GREEN color");
    led_displayGreen();
   }
   if(isYellow())
   {
    Serial.println("this is the YELLOW color");
    led_displayYellow();
   }
   if(isPurple())
   {
    Serial.println("this is the PURPLE color");
    led_displayPurple();
   }
   if(isOrange())
   {
    Serial.println("this is the ORANGE color");
    led_displayOrange();
   }
   if(isPink())
   {
    Serial.println("this is the PINK color");
    led_displayPink();
   }
   if(isWhite())
   {
    Serial.println("this is the WHITE color");
    led_displayWhite();
   }
}

void led_displayRed() {
  analogWrite(ledRed, 0);
  analogWrite(ledGreen, 255);
  analogWrite(ledBlue, 255);
}

void led_displayBlue() {
  analogWrite(ledRed, 255);
  analogWrite(ledGreen, 224);
  analogWrite(ledBlue, 0);
}

void led_displayGreen() {
  analogWrite(ledRed, 200);
  analogWrite(ledGreen, 20);
  analogWrite(ledBlue, 250);
}

void led_displayYellow() {
  analogWrite(ledRed, 0);
  analogWrite(ledGreen, 0);
  analogWrite(ledBlue, 255);
}

void led_displayPurple() {
  analogWrite(ledRed, 200);
  analogWrite(ledGreen, 250);
  analogWrite(ledBlue, 20);
}

void led_displayOrange() {
  analogWrite(ledRed, 0);
  analogWrite(ledGreen, 200);
  analogWrite(ledBlue, 255);
}

void led_displayPink() {
  analogWrite(ledRed, 100);
  analogWrite(ledGreen, 240);
  analogWrite(ledBlue, 200);
}

void led_displayWhite() {
  analogWrite(ledRed, 0);
  analogWrite(ledGreen, 0);
  analogWrite(ledBlue, 0);
}



bool isRed() {
  if ((dataR < 10 && dataR > 4) && (dataG < 23 && dataG > 18) && (dataB < 16 && dataB > 10)) {
    return true;
  } else {
    return false;
  }
}

bool isGreen() {
  if ((dataR < 20 && dataR > 14) && (dataG < 13 && dataG > 7) && (dataB < 14 && dataB > 8)) {
    return true;
  } else {
    return false;
  }
}

bool isBlue() {
  if ((dataR < 25 && dataR > 19) && (dataG < 16 && dataG > 10) && (dataB < 10 && dataB > 4)) {
    return true;
  } else {
    return false;
  }
}

bool isYellow() {
  if ((dataR < 8 && dataR > 2) && (dataG < 9 && dataG > 3) && (dataB < 13 && dataB > 7)) {
    return true;
  } else {
    return false;
  }
}

bool isPurple() {
  if ((dataR < 14 && dataR > 8) && (dataG < 22 && dataG > 16) && (dataB < 14 && dataB > 8)) {
    return true;
  } else {
    return false;
  }
}

bool isOrange() {
  if ((dataR < 9 && dataR > 3) && (dataG < 15 && dataG > 9) && (dataB < 16 && dataB > 10)) {
    return true;
  } else {
    return false;
  }
}

bool isPink() {
  if ((dataR < 10 && dataR > 4) && (dataG < 19 && dataG > 13) && (dataB < 11 && dataB > 5)) {
    return true;
  } else {
    return false;
  }
}

bool isWhite() {
  if ((dataR < 8 && dataR > 2) && (dataG < 8 && dataG > 2) && (dataB < 7 && dataB > 1)) {
    return true;
  } else {
    return false;
  }
}

void printCurrentColor(){
  Serial.println("===Current Color===");
    Serial.print("R = ");
    Serial.print(dataR);
    Serial.print("\nG = ");
    Serial.print(dataG);
    Serial.print("\nB = ");
    Serial.print(dataB);
    Serial.println("\n===================");
}