int redPIN = 11;
int greenPIN = 10;
int bluePIN = 9;
int tx = 1;
int rx = 0;
int rainbow = 1;
int r = 0;
int b = 0;
int g = 255;
int i = 0;
char inSerial[15];
double brightness = 1.0;

void setup() {
  Serial.begin(9600);
  pinMode(redPIN, OUTPUT);
  pinMode(bluePIN, OUTPUT);
  pinMode(greenPIN, OUTPUT);
  pinMode(tx, OUTPUT);
  pinMode(rx, INPUT);
  allpinslow();
  Serial.print("allpinslow function in setup?");
}

void loop() {
  int i = 0;
  int m = 0;
  delay(100);
  if (Serial.available() > 0)
  {
    while (Serial.available() > 0)
    {
      inSerial[i] = Serial.read();
      i++;
    }
    inSerial[i] = '\0';
    Check_Protocol(inSerial);
  }
}

void allpinslow()
{
  digitalWrite(redPIN, LOW);
  digitalWrite(bluePIN, LOW);
  digitalWrite(greenPIN, LOW);
}

void Check_Protocol(char inStr[])
{
  multiColourLED(inStr);
  greenLED(inStr);
  redLED(inStr);
  blueLED(inStr);
  whiteLED(inStr);
  yellowLED(inStr);
  purpleLED(inStr);
  goldLED(inStr);
  pinkLED(inStr);
  turnOff(inStr);
  fade(inStr);
}

void greenLED(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "green"))
  {
    allpinslow();
    digitalWrite(greenPIN, HIGH);
    Serial.println("Green ON");
    for (m = 0; m < 11; m++)
    {
      inStr[m] = 0;
    }
    i = 0;
  }
}

void redLED(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "red"))
  {
    allpinslow();
    digitalWrite(redPIN, HIGH);
    Serial.println("Red ON");
    for (m = 0; m < 11; m++)
    {
      inStr[m] = 0;
    }
    i = 0;
  }
}

void blueLED(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "blue"))
  {
    allpinslow();
    analogWrite(bluePIN, 255);
    Serial.println("Blue ON");
    for (m = 0; m < 11; m++)
    {
      inStr[m] = 0;
    }
    i = 0;
  }
}

void turnOff(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "off"))
  {
    allpinslow();
    Serial.println("Off");
    for (m = 0; m < 11; m++)
    {
      inStr[m] = 0;
    }
    i = 0;
  }
}

void multiColourLED(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "rainbow"))
  {
    allpinslow();
    while (!strcmp(inStr, "rainbow"))
    {
      multicolour(rainbow);
      rainbow++;
      if (rainbow > 3) rainbow = 1;
      check(inStr);
      i = 0;
      Serial.println("Rainbow ON");
    }
  }
}

void yellowLED(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "yellow"))
  {
    allpinslow();
    analogWrite(redPIN, 255);
    analogWrite(greenPIN, 100);
    analogWrite(bluePIN, 0);
    Serial.println("Yellow ON");
    for (m = 0; m < 11; m++)
    {
      inStr[m] = 0;
    }
    i = 0;
  }
}

void goldLED(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "gold"))
  {
    allpinslow();
    analogWrite(redPIN, 255);
    analogWrite(greenPIN, 75);
    analogWrite(bluePIN, 0);
    Serial.println("Gold ON");
    for (m = 0; m < 11; m++)
    {
      inStr[m] = 0;
    }
    i = 0;
  }
}

void pinkLED(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "pink"))
  {
    allpinslow();
    analogWrite(redPIN, 255);
    analogWrite(greenPIN, 50);
    analogWrite(bluePIN, 100);
    Serial.println("Pink ON");
    for (m = 0; m < 11; m++)
    {
      inStr[m] = 0;
    }
    i = 0;
  }
}

void whiteLED(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "white"))
  {
    allpinslow();
    analogWrite(redPIN, 255);
    analogWrite(greenPIN, 255);
    analogWrite(bluePIN, 255);
    Serial.println("White ON");
    for (m = 0; m < 11; m++)
    {
      inStr[m] = 0;
    }
    i = 0;
  }
}

void purpleLED(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "purple"))
  {
    allpinslow();
    analogWrite(redPIN, 128);
    analogWrite(greenPIN, 0);
    analogWrite(bluePIN, 128);
    Serial.println("Purple ON");
    for (m = 0; m < 11; m++)
    {
      inStr[m] = 0;
    }
    i = 0;
  }
}

void multicolour(int rainbow)
{
  if (rainbow == 1)
  {
    r = 0;
    b = 0;
    g = 255;
    for (r = 0; r < 255; r++)
    {
      g--;
      analogWrite(redPIN, r);
      analogWrite(greenPIN, g);
      delay(5);
    }
  }
  if (rainbow == 2)
  {
    r = 255;
    b = 0;
    g = 0;
    for (b = 0; b < 255; b++)
    {
      r--;
      analogWrite(bluePIN, b);
      analogWrite(redPIN, r);
      delay(5);
    }
  }
  if (rainbow == 3)
  {
    r = 0;
    b = 255;
    g = 0;
    for (g = 0; g < 255; g++)
    {
      b--;
      analogWrite(greenPIN, g);
      analogWrite(bluePIN, b);
      delay(5);
    }
  }
}

void check(char inStr[])
{
  int m = 0;
  if (Serial.available() > 0)
  {
    while (Serial.available() > 0)
    {
      inStr[m] = Serial.read();
      m++;
    }
    inStr[m] = '\0';
  }
}

void fade(char inStr[])
{
  int m = 0;
  if (!strcmp(inStr, "fade"))
  {
    for (m = 0; m < 4; m++)
    {
      inStr[m] = 0;
    }
    Serial.println("Fade ON1");
    boolean recieved = false;
    while ((!recieved))
    {
      if (Serial.available() > 0)
      {
        while (Serial.available() > 0)
        {
          brightness = Serial.read();
          recieved = true;
        }
        Serial.println("Brightness is");
        Serial.println(brightness);
      }
    }
  }
}