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

#define WIFI_SSID "Wokwi-GUEST"
#define WIFI_PASSWORD ""
#define THINGSPEAK_API_KEY "QVQH7FTOG7G8LQGD"
unsigned long THINGSPEAK_CHANNEL_ID = 2278259;

#define LDRPIN 35
#define DHTPIN 4
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);

WiFiClient client;

void setup() {
  Serial.begin(115200);
  dht.begin();
  pinMode(LDRPIN, INPUT);
  WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
}
void loop() {
  float Humidity = dht.readHumidity();
  float Temperature = dht.readTemperature();
  int Light = analogRead(LDRPIN);

  if (isnan(Humidity) || isnan(Temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    delay(1000);
    return;
  }
  ThingSpeak.begin(client);
  ThingSpeak.setField(1,Light);
  ThingSpeak.setField(2,Temperature);
  ThingSpeak.setField(3,Humidity);
  Serial.print("Light up:"); Serial.println(Light);
  Serial.print("Temp up"); Serial.println(Temperature);
  Serial.print("Hum up"); Serial.println(Humidity);
  int x = ThingSpeak.writeFields(THINGSPEAK_CHANNEL_ID,THINGSPEAK_API_KEY);
  if(x == 200){
    Serial.println("Data pushed successfull");
  }else{
    Serial.println("Push error" + String(x));
  }
  Serial.println("---");
  delay(3000);
}