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

#include <ThingSpeak.h>
#define SECRET_SSID "Wokwi-GUEST"
#define SECRET_PASS ""
#define SECRET_CH_ID 1417788
#define SECRET_WRITE_APIKEY "3KV532F00HG2SENB"
char ssid[] = SECRET_SSID;
char pass[] = SECRET_PASS;
int keyIndex = 0;
WiFiClient client;
unsigned long myChannelNumber = SECRET_CH_ID;
const char * myWriteAPIKey = SECRET_WRITE_APIKEY;


#define DHT1_PIN 12
#define DHT2_PIN 13
#define DHT3_PIN 15

#define DHTTYPE DHT22   // DHT 22 
DHT dht1(DHT1_PIN, DHTTYPE);
DHT dht2(DHT2_PIN, DHTTYPE);
DHT dht3(DHT3_PIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  dht1.begin();
  dht2.begin();
  dht3.begin();
  while (!Serial){
    ;
  }
    WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
}

void loop() {
  if(WiFi.status() != WL_CONNECTED)
  {
    Serial.print("Attempting to connect to SSID");
    Serial.println(SECRET_SSID);
    while(WiFi.status() !=WL_CONNECTED)
    {
      WiFi.begin(ssid, pass);
      Serial.print(".");
      delay(5000);
    }
    Serial.println("\nConnected.");
  }

  float h1 = dht1.readHumidity();
  float t1 = dht1.readTemperature();
  float h2 = dht2.readHumidity();
  float t2 = dht2.readTemperature();
  float h3 = dht3.readHumidity();
  float t3 = dht3.readTemperature();

  if (isnan(h1) || isnan(t1) || isnan(h2) || isnan(t2) || isnan(h3) || isnan(t3)) {
    Serial.println("Failed to read from DHT sensors!");
    return;
  }

  Serial.print("Temperature1: ");
  Serial.print(t1);
  Serial.print("°C Humidity1: ");
  Serial.print(h1);
  Serial.println("%");

  Serial.print("Temperature2: ");
  Serial.print(t2);
  Serial.print("°C Humidity2: ");
  Serial.print(h2);
  Serial.println("%");

  Serial.print("Temperature3: ");
  Serial.print(t3);
  Serial.print("°C Humidity3: ");
  Serial.print(h3);
  Serial.println("%");

  ThingSpeak.setField(1, data.temperature);
  ThingSpeak.setField(2, data.humidity);
  ThingSpeak.setField(3, data.temperature);
  ThingSpeak.setField(4, data.humidity);
  ThingSpeak.setField(5, data.temperature);
  ThingSpeak.setField(6, data.humidity);
  int x = ThingSpeak.writeFields(myChannelNumber, myWriteAPIKey);
  if(x == 200)
  {
    Serial.println("Channel update successful.");
  }
  else
  {
    Serial.println("Problrm updating channel. HTTP error code" + String(x));
  }
  delay(15000);

}