#include "DHT.h"
#include "ThingSpeak.h"
#include "WiFi.h"
#define DHTPIN 15
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

const char* WIFI_NAME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = "";
const int myChannelNumber = 2853322;
const char* myApiKey = "Z2F34XW5AH3M8KYF";
const char* server = "api.thingspeak.com";

WiFiClient client;

void setup() {
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("WiFi not connected");
  }
  Serial.println("WiFi connected !");
  Serial.println("Local IP: " + String(WiFi.localIP()));

  ThingSpeak.begin(client);

  Serial.println("DHTxx, TEST!");
  dht.begin();
}

void loop() {
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  if (isnan(h)||isnan(t)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
  int s = analogRead(36);
  Serial.println(F("Humidity: "));
  Serial.println(h);
  Serial.println(F("% Temperature: "));
  Serial.println(t);
  Serial.println(F("C Soil :"));
  Serial.println(s);

  ThingSpeak.setField(1,h);
  ThingSpeak.setField(2,t);
  ThingSpeak.setField(3,s);

  int x = ThingSpeak.writeFields(myChannelNumber, myApiKey);
  if(x == 200) {
    Serial.println("Data pushed successfully");
  } else {
    Serial.println("Push error" + String(x));
  }
  Serial.println("---");
  
  delay(15000);
}