#include <WiFi.h>
#include <ThingSpeak.h>
#include <DHTesp.h>
DHTesp dhtsensor;
TempAndHumidity data;
int DHT_PIN = 15;
int buzzerPin = 13;
int freq = 500;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
WiFiClient client;
unsigned long myChannelNumber = 2280209;
const char * myWriteAPIKey = "LCMZJ19SNG54SB56";
int statusCode;
void setup() {
  Serial.begin(115200);
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
  dhtsensor.setup(DHT_PIN,DHTesp::DHT22);
  pinMode(12, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
  pinMode(13, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
  data = dhtsensor.getTempAndHumidity();
  if(WiFi.status() != WL_CONNECTED)
  {
    Serial.print("Attempting to connect");
    while(WiFi.status() != WL_CONNECTED)
    {
      WiFi.begin(ssid, pass);
      Serial.print(".");
      delay(5000);
      digitalWrite(buzzerPin, HIGH);
      tone(buzzerPin, 500);
    }
    Serial.println("\nConnected.");
}   
  Serial.println("Humi : " + String(data.humidity));
  Serial.println("Temp : " +String(data.temperature)); 
  Serial.println("-------------");
  ThingSpeak.setField(1, data.temperature);
  ThingSpeak.setField(2, data.humidity);
  statusCode = ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);
  if(data.humidity>65)
  {
     digitalWrite(buzzerPin, HIGH);
    delay(1000);
  }
  if(statusCode == 200) {
    Serial.println("Channel update successful.");
  }
  else {
    Serial.println("problemwriting data.HTTP error code"+ String(statusCode));
  }
  delay(1000);
  if(data.temperature>50)
  {
    digitalWrite(12, HIGH);
  }
  else
  {
    digitalWrite(12, LOW);
  }
}