// Vienspalvio led
// efektų
#include <IRremote.h>
#include <LiquidCrystal.h>

#define PIN_RECEIVER 2   // Signal Pin of IR receiver

IRrecv receiver(PIN_RECEIVER);

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);
#define LDR_PIN 2
int ledPin = 9; // pin for the LED
// LDR Characteristics
const float GAMMA = 0.7;
const float RL10 = 50;

#define redPin 6
#define greenPin 5
#define bluePin 3


void setup()
{
  // pinMode(ledPin, OUTPUT);
    pinMode(LDR_PIN, INPUT);
  lcd.begin(16, 2);
  lcd.print("<press a button>");
  receiver.enableIRIn(); // Start the receiver
}

void loop()
{
  setRGB(0, 255, 255);
    int brightness = map(luxValue(), 0, 1023, 0, 255);
  // analogWrite(ledPin, brightness);




  // Checks received an IR signal
  if (receiver.decode()) {
    translateIR();
    receiver.resume();  // Receive the next value
  }
}

void  automaticLight() {
    // get the current hour
  int hour = getHour();

  // set the color of the LED based on the hour
  if (hour >= 6 && hour < 12) {
    // warm white during the morning
    setRGB(255, 245, 225);
    lcd.setCursor(0, 1);
    lcd.print("Morning");
  } else if (hour >= 12 && hour < 18) {
    // neutral white during the afternoon
    setRGB(255, 255, 255);
    lcd.setCursor(0, 1);
    lcd.print("Afternoon");
  } else if (hour >= 18 && hour < 22) {
    // warm white during the evening
    setRGB(255, 245, 225);
    lcd.setCursor(0, 1);
    lcd.print("Evening");
  } else {
    // cool white during the night
    setRGB(200, 220, 255);
    lcd.setCursor(0, 1);
    lcd.print("Night");
  }
};
int getHour() {
  return 12;
};

float luxValue() {
    // check light sensor
 int analogValue = analogRead(A0);
  float voltage = analogValue / 1024. * 5;
  float resistance = 2000 * voltage / (1 - voltage / 5);
  float lux = pow(RL10 * 1e3 * pow(10, GAMMA) / resistance, (1 / GAMMA));
  return lux;
}


void lcdPrint(char* text)
{
  float luxvalue1 = luxValue();
  lcd.clear();
  lcd.setCursor(0, 0);
    if(text == "TEST"){
    lcd.setCursor(2, 0);
  lcd.print("Room: ");
  if (luxvalue1> 50) {
    lcd.print("Light!");
  } else {
    lcd.print("Dark  ");
  }

  lcd.setCursor(0, 1);
  lcd.print("Lux: ");
  lcd.print(luxvalue1);
  lcd.print("          ");

  delay(100);
    }
     else if(text == "MENU"){
automaticLight();
    
  
  }
     else if(text == "PLAY"){
setRGB(1, 244, 5);
    
  
  }
     else if(text == "num: 1"){
setBlinking(244, 244, 244);
    
  
  }
  
     else if(text == "PLUS"){
       if()
       setRGB(1, 0, 0);
    // colorRGB(255, 0, 0); //Brightness level 255
    // colorRGB(150, 0, 0); //Brightness level 150
    // colorRGB(50, 0, 0); //Brightness level 50
    
  
  
  }
     else if(text == "MINUS"){
       setRGB(1, 0, 0);
    
  
  }
   else {
  lcd.print("button pressed:");
  lcd.setCursor(0, 1);
  lcd.print(text);
  lcd.print(" code: ");
  lcd.print(receiver.decodedIRData.command);
  }



}

void setRGB(int r, int g, int b) {
  // set the values for the red, green, and blue LED pins
  analogWrite(redPin, r);
  analogWrite(greenPin, g);
  analogWrite(bluePin, b);
}
void setBlinking(int r, int g, int b) {
  int Count = 0;
  // set the values for the red, green, and blue LED pins
    while (Count <= 10)
  {
  analogWrite(redPin, r);
  analogWrite(greenPin, g);
  analogWrite(bluePin, b);
  delay(1000); 
  analogWrite(redPin, 0);
  analogWrite(greenPin, 0);
  analogWrite(bluePin, 0);
    delay(1000); 
    Count++;
  }

}

void translateIR()
{
  // Takes command based on IR code received
  switch (receiver.decodedIRData.command) {
    case 162:
      lcdPrint("POWER");
      break;
    case 226:
      lcdPrint("MENU");
      break;
    case 34:
      lcdPrint("TEST");
      break;
    case 2:
      lcdPrint("PLUS");
      break;
    case 194:
      lcdPrint("BACK");
      break;
    case 224:
      lcdPrint("PREV.");
      break;
    case 168:
      lcdPrint("PLAY");
      break;
    case 144:
      lcdPrint("NEXT");
      break;
    case 104:
      lcdPrint("num: 0");
      break;
    case 152:
      lcdPrint("MINUS");
      break;
    case 176:
      lcdPrint("key: C");
      break;
    case 48:
      lcdPrint("num: 1");
      break;
    case 24:
      lcdPrint("num: 2");
      break;
    case 122:
      lcdPrint("num: 3");
      break;
    case 16:
      lcdPrint("num: 4");
      break;
    case 56:
      lcdPrint("num: 5");
      break;
    case 90:
      lcdPrint("num: 6");
      break;
    case 66:
      lcdPrint("num: 7");
      break;
    case 74:
      lcdPrint("num: 8");
      break;
    case 82:
      lcdPrint("num: 9");
      break;
    default:
      lcd.clear();
      lcd.print(receiver.decodedIRData.command);
      lcd.print(" other button");
  }
}