// Nama: Brima Ardana
// Tanggal: 16/05/24
// NIM:2021230001
// tugas 7.3

#define BLYNK_TEMPLATE_ID "TMPL69VqfaFr6"
#define BLYNK_TEMPLATE_NAME "brima"
#define BLYNK_AUTH_TOKEN "e360wUq24yRZ_Ln_TAFgxYWutAlmpyvn"
#define BLYNK_PRINT Serial

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

const int DHT_PIN = 15;
const int LED_PIN = 18; // Pin untuk LED
const int BUTTON_PIN = 34; // Pin untuk tombol fisik
DHTesp dhtSensor;

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

BlynkTimer timer;
bool ledState = LOW; // Status awal LED
bool lastButtonState = HIGH; // Status awal tombol fisik

void sendSensor()
{
    TempAndHumidity data = dhtSensor.getTempAndHumidity();
    Serial.println("Temp: " + String(data.temperature, 2) + "°C");
    Serial.println("Humidity: " + String(data.humidity, 1) + "%");
    Serial.println("---");
    Blynk.virtualWrite(V0, data.temperature);
    Blynk.virtualWrite(V2, data.humidity); // mengirimkan data ke Virtual pin di Blynk Cloud
}

// Fungsi untuk mengendalikan LED via Blynk
BLYNK_WRITE(V1) // Virtual pin V1 untuk tombol LED
{
    ledState = param.asInt();
    digitalWrite(LED_PIN, ledState);
    Blynk.virtualWrite(V3, ledState * 255); // Update indikator LED di Blynk
    if (ledState) {
        Serial.println("LED Menyala");
    } else {
        Serial.println("LED Mati");
    }
}

void setup()
{
    Serial.begin(9600);
    Blynk.begin(auth, ssid, pass);

    dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
    timer.setInterval(1000L, sendSensor);

    pinMode(LED_PIN, OUTPUT); // Set LED pin sebagai output
    digitalWrite(LED_PIN, ledState); // Set status awal LED

    pinMode(BUTTON_PIN, INPUT_PULLUP); // Set BUTTON_PIN sebagai input dengan pull-up internal
}

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

    // Membaca status tombol fisik
    bool currentButtonState = digitalRead(BUTTON_PIN);

    // Deteksi perubahan status tombol (dari HIGH ke LOW atau sebaliknya)
    if (currentButtonState == LOW && lastButtonState == HIGH) {
        // Toggle status LED
        ledState = !ledState;
        digitalWrite(LED_PIN, ledState);
        
        // Sinkronisasi status LED dengan Blynk
        Blynk.virtualWrite(V1, ledState);
        Blynk.virtualWrite(V3, ledState * 255); // Update indikator LED di Blynk
        
        // Cetak status LED ke serial monitor
        if (ledState) {
            Serial.println("LED Menyala");
        } else {
            Serial.println("LED Mati");
        }
    }

    // Simpan status tombol saat ini untuk perbandingan di loop berikutnya
    lastButtonState = currentButtonState;
}