#define BLYNK_TEMPLATE_ID "TMPL6zkT1S-fg"
#define BLYNK_TEMPLATE_NAME "Humidity Temp Sensor"
#define BLYNK_AUTH_TOKEN "w6OkAzNhFWsa5u4dAfpKsQoZH5NaT3_H"

#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
#include <ESP32Servo.h>
#define alert_light 19
#define humidifier 5
#define I2C_ADDR    0x27
#define LCD_COLUMNS 20
#define LCD_LINES   4
#define buzzer 14

Servo servo;

LiquidCrystal_I2C lcd(I2C_ADDR, LCD_COLUMNS, LCD_LINES);

char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;

void setup() {
  pinMode(alert_light, OUTPUT);
  pinMode(buzzer, OUTPUT);
  pinMode(humidifier, OUTPUT);
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass); 

  servo.attach(2);

  lcd.init();
  lcd.backlight();
}

BLYNK_WRITE(V3) {
  int buttonState = param.asInt();
  if (buttonState == 1) {
    digitalWrite(alert_light, HIGH);
    tone(buzzer, 1000);
  } else {
    digitalWrite(alert_light, LOW);
    noTone(buzzer);
  }
}

BLYNK_WRITE(V4) {

  int servoState = param.asInt();
  if (servoState == 1) {
    servo.write(180);
  } else {
    servo.write(0);
  }
}

BLYNK_WRITE(V5) {
  int buttonState = param.asInt();
  if (buttonState == 1) {
    digitalWrite(humidifier, HIGH);
  } else {
    digitalWrite(humidifier, LOW);
  }
}

// void sendDHTData() {
//   float temp = dht.getTemperature();
//   float humid = dht.getHumidity();
  
//   if (isnan(humid) || isnan(temp)) {
//     Serial.println("Failed to read from DHT sensor!");
//     return;
//   }

//   Blynk.virtualWrite(V1, temp);
//   Blynk.virtualWrite(V2, humid);

//   Serial.print("Humidity: ");
//   Serial.print(humid);
//   Serial.print("%\t");
//   Serial.print("Temperature: ");
//   Serial.print(temp);
//   Serial.println(" °C");
// }

void loop() {
  Blynk.run();
  timer.run();

  delay(1000);
}