#include <WiFi.h>
#include <HTTPClient.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>

#define DHTPIN 15          // Pin data DHT22
#define DHTTYPE DHT22      // Tipe sensor DHT22

const char* ssid = "Wokwi-GUEST";     // SSID Wi-Fi
const char* password = " "; // Password Wi-Fi

const char* server = "https://api.thingspeak.com/update?api_key="; // URL Thingspeak
String apiKey = "LBJBRMIEPIZSA4ZJ"; // API Key Thingspeak

int ldrPin = 34;   // Pin LDR
int redPin = 12;   // Pin LED RGB merah
int greenPin = 13; // Pin LED RGB hijau
int bluePin = 14;  // Pin LED RGB biru

float humidity;    // Variabel kelembapan
float temperature; // Variabel suhu
float luminosity;  // Variabel intensitas cahaya
float lux;         // Variabel lux

DHT dht(DHTPIN, DHTTYPE); // Inisialisasi sensor DHT22

void setup() {
  Serial.begin(115200); // Inisialisasi serial monitor
  pinMode(ldrPin, INPUT); // Inisialisasi pin LDR sebagai input
  pinMode(redPin, OUTPUT); // Inisialisasi pin LED RGB merah sebagai output
  pinMode(greenPin, OUTPUT); // Inisialisasi pin LED RGB hijau sebagai output
  pinMode(bluePin, OUTPUT); // Inisialisasi pin LED RGB biru sebagai output
  dht.begin(); // Inisialisasi sensor DHT22
  WiFi.begin(ssid, password); // Koneksi ke Wi-Fi
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.println("Connected to WiFi");
}

void loop() {
  humidity = dht.readHumidity(); // Membaca kelembapan dari sensor DHT22
  temperature = dht.readTemperature(); // Membaca suhu dari sensor DHT22
  int ldrValue = analogRead(ldrPin); // Membaca nilai LDR
  luminosity = (1023 - ldrValue) / 10.23; // Menghitung intensitas cahaya
  lux = luminosity * 12; // Menghitung lux
  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.print(" *C\t");
  Serial.print("Luminosity: ");
  Serial.print(luminosity);
  Serial.print("\tLux: ");
  Serial.println(lux);

  String data = "field1=" + String(temperature) + "&field2=" + String(humidity) + "&field5=" + String(luminosity)+ "&field6=" + String(lux);
  HTTPClient http;
  http.begin(server);
  http.addHeader("Content-Type", "application/x-www-form-urlencoded");
  int httpResponseCode = http.POST(data);
  http.end();


  if (temperature > 35) {
  digitalWrite(redPin, HIGH);
  digitalWrite(greenPin, HIGH);
  digitalWrite(bluePin, LOW);
  }
  else (temperature > 40) {
  digitalWrite(redPin, HIGH);
  digitalWrite(greenPin, LOW);
  digitalWrite(bluePin, LOW);
  }