#include <WiFi.h>
#include <DHTesp.h>
#include <ThingSpeak.h>


const int DHT_PIN = 15;
const int BUZZER_PIN = 14;
const char* WIFI_NAME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = "";
const int myChannelNumber = 2295474;
const char* myApiKey = "4DEHSN9M5RH3W50K";
const char* server = "api.thingspeak.com";
float humedad;
float temperatura;

DHTesp dhtSensor;
WiFiClient client;

void setup() {
  Serial.begin(115200);
  ledcSetup(0, 875, 11);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(BUZZER_PIN, OUTPUT);
  pinMode(DHT_PIN, INPUT);
  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()));
  WiFi.mode(WIFI_STA);
  ThingSpeak.begin(client);
}

void loop() {

  temperatura = dhtSensor.getTemperature();

  ThingSpeak.setField(1, temperatura);

  humedad = dhtSensor.getHumidity();

  ThingSpeak.setField(2, humedad);

  if (temperatura < 20 || temperatura > 25 || humedad < 70 || humedad > 90)
  {
    tone(BUZZER_PIN, 62);
  }
  else
  {
    noTone(BUZZER_PIN);
  }

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