#define BLYNK_TEMPLATE_ID "TMPL64uSwdpX1"
#define BLYNK_TEMPLATE_NAME "DHT22"
#define BLYNK_AUTH_TOKEN "Iz3cWMl4m7vsP0gpwRx900t88X4cCYim"
#define Blynk_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHTesp.h>

int pirState = LOW;
int val = 0;

const int pinDHT = 25;
const int pinEcho = 2;
const int pinTrigger = 15;
const int ledMerah = 13;
const int ledKuning = 12;
const int ledHijau = 14;
const int ledPin = 18;
const int inputPin = 19;

DHTesp dhtSensor;
BlynkTimer timer;
char auth[] = "Iz3cWMl4m7vsP0gpwRx900t88X4cCYim";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

void sendSensor() {
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  // Mengirim data ke Blynk
  Blynk.virtualWrite(V1, data.temperature);
  Blynk.virtualWrite(V2, data.humidity);
  if (data.temperature < 32 && data.humidity < 65) {
    digitalWrite(ledHijau, HIGH);
    digitalWrite(ledKuning, LOW);
    digitalWrite(ledMerah, LOW);
  } else if (data.temperature > 32 && data.humidity < 65) {
    digitalWrite(ledHijau, LOW);
    digitalWrite(ledKuning, HIGH);
    digitalWrite(ledMerah, LOW);
  } else if (data.temperature < 32 && data.humidity > 65) {
    digitalWrite(ledHijau, LOW);
    digitalWrite(ledKuning, HIGH);
    digitalWrite(ledMerah, LOW);
  } else {
    digitalWrite(ledHijau, LOW);
    digitalWrite(ledKuning, LOW);
    digitalWrite(ledMerah, HIGH);
  }
}

float readUltrasonic() {
  digitalWrite(pinTrigger, LOW);
  delayMicroseconds(2);
  digitalWrite(pinTrigger, HIGH);
  delayMicroseconds(10);
  digitalWrite(pinTrigger, LOW);
  int duration = pulseIn(pinEcho, HIGH);
  float dist_cm = duration * 0.034 / 2;
  return dist_cm;
}

void sendData() {
  float waterLevel = readUltrasonic();
  Serial.print("Water Level: ");
  Serial.println(waterLevel, 2);
  Blynk.virtualWrite(V0, waterLevel);
  
}

void motionSensor() {
  val = digitalRead(inputPin);  // read input value
  if (val == HIGH) {            // check if the input is HIGH
    digitalWrite(ledPin, HIGH);  // turn LED ON
    if (pirState == LOW) {
      // we have just turned on
      Serial.println("Gerakan Terdeteksi");
      // We only want to print on the output change, not state
      pirState = HIGH;
    }
  } else {
    digitalWrite(ledPin, LOW); // turn LED OFF
    if (pirState == HIGH) {
      // we have just turned off
      Serial.println("Gerakan Tidak Terdeteksi");
      // We only want to print on the output change, not state
      pirState = LOW;
    }
  }
}

void setup() {
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  dhtSensor.setup(pinDHT, DHTesp::DHT22);

  pinMode(pinEcho, INPUT);
  pinMode(pinTrigger, OUTPUT);
  pinMode(ledMerah, OUTPUT);
  pinMode(ledKuning, OUTPUT);
  pinMode(ledHijau, OUTPUT);
  pinMode(ledPin, OUTPUT);
  pinMode(inputPin, INPUT);

  timer.setInterval(2000L, sendSensor);
  timer.setInterval(2000L, sendData);
  timer.setInterval(1000L, motionSensor);
}

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