#define DARK HIGH
#define LIGHT LOW
const int BTNGREEN = 34;
const int BTNWHITE = 27;
const int RELAY_PIN = 17;
const int LDR_PIN = 16;

void setup() {
  Serial.begin(115200);
  pinMode(BTNGREEN, INPUT_PULLUP);
  pinMode(BTNWHITE, INPUT_PULLUP);
  pinMode(LDR_PIN, INPUT);
  pinMode(RELAY_PIN, OUTPUT);
  digitalWrite(RELAY_PIN, LOW);
}

void loop() {
  int modeState = digitalRead(BTNGREEN);
  int ledState = digitalRead(BTNWHITE);
  int lightState = digitalRead(LDR_PIN);

  //Manual ไฟแดงดับ ไฟขาวติดตามแสง
  if (modeState == 1){
    digitalWrite(RELAY_PIN, LOW);
    Serial.print("Manual ");
    if(lightState == DARK){
      Serial.println("Dark");
      digitalWrite(RELAY_PIN, HIGH);
    }
    else{
      Serial.println("Light");
      digitalWrite(RELAY_PIN, LOW);
    }
    delay(100);
  }
  else{
    digitalWrite(RELAY_PIN, HIGH);
    Serial.print("Auto ");
    autoMode(ledState);
  }
}
  //Auto ไฟแดงติด ไฟขาวติดตามการกดปุ่ม
void autoMode(int led){
  if (led == 1){
    digitalWrite(RELAY_PIN, HIGH);
    Serial.println("Light สว่าง");
  }
  else{
    digitalWrite(RELAY_PIN, LOW);
    Serial.println("Dark ดับ");
  }
  delay(100);
}
void manualMode(){
  digitalWrite(RELAY_PIN, LOW);
}