#include <IRremote.h>
#include <ESP32Servo.h>

#define RECV_PIN 12
#define SERVO 15

const int ldrPin = 34;
const int relayPin = 19;

IRrecv receiver(RECV_PIN);
decode_results results;

Servo servo;

int angle = 0;

void setup() {
 Serial.begin(115200);
 servo.attach(SERVO);

 servo.write(angle);

 receiver.enableIRIn(); // Start the receiver
    
 pinMode(RECV_PIN, INPUT);
 pinMode(SERVO, OUTPUT);
 pinMode(ldrPin, INPUT);
 pinMode(relayPin, OUTPUT);
}

void loop() {

  if (receiver.decode()) {
    translateIR();
    receiver.resume();
  }

 int ldrValue = analogRead(ldrPin);

 String str = String(ldrValue);
 Serial.println("LDR value: " + str);

  if (ldrValue < 40) {
    Serial.println(" => Dark");
  } else if (ldrValue < 800) {
    Serial.println(" => Dim");
  } else if (ldrValue < 2000) {
    Serial.println(" => Light");
  } else if (ldrValue < 3200) {
    Serial.println(" => Bright");
  } else {
    Serial.println(" => Very bright");
  delay(1000);
  }

 if (ldrValue < 800) {
    digitalWrite(relayPin, HIGH);
    Serial.println("Relay ON");
 } else {
    digitalWrite(relayPin, LOW);
    Serial.println("Relay OFF");
  delay(1000);
 }
}

void translateIR()
  {
  // Takes command based on IR code received
  switch (receiver.decodedIRData.command) {
    case 104:
      Serial.println("Menutup jendela");
      servo.write(0);
      break;
    case 48:
      Serial.println("Buka 20 derajat");
      servo.write(60);
      break;
    case 24:
      Serial.println("Buka 40 derajat");
      servo.write(120);
      break;
    case 122:
      Serial.println("Buka 60 derajat");
      analogWrite(SERVO, 220);
      break;
    case 16:
      Serial.println("Buka 80 derajat");
      analogWrite(SERVO, 240);
      break;
    case 56:
      Serial.println("Buka 100 derajat");
      analogWrite(SERVO, 260);
      break;
    case 90:
      Serial.println("Buka 120 derajat");
      analogWrite(SERVO, 280);
      break;
    case 66:
      Serial.println("Buka 140 derajat");
      analogWrite(SERVO, 300);
      break;
    case 74:
      Serial.println("Buka 160 derajat");
      analogWrite(SERVO, 400);
      break;
    case 82:
      Serial.println("Buka 180 derajat");
      analogWrite(SERVO, 500);
      break;
    default:
      Serial.println("WARNING: undefined key:");
      break;
    }
  }