/**
   ESP32 + DHT22 Example for Wokwi
   
   https://wokwi.com/arduino/projects/322410731508073042
*/
#include <WiFi.h>
#include <HTTPClient.h>
#include "DHTesp.h"
#include "ThingSpeak.h"

const int DHT_PIN = 15;
const int LED_PIN = 13;
const char* WIFI_NAME = "Wokwi-GUEST";
const char* WIFI_PASSWORD = "";

const char* serverName = "http://168.138.124.25/php_app/add.php";

DHTesp dhtSensor;
WiFiClient client;

void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  pinMode(LED_PIN, OUTPUT);
  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() {
  delay(60000);
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  ThingSpeak.setField(1,data.temperature);
  ThingSpeak.setField(2,data.humidity);
  if (data.temperature > 35 || data.temperature < 12 || data.humidity > 70 || data.humidity < 40) {
    digitalWrite(LED_PIN, HIGH);
  }else{
    digitalWrite(LED_PIN, LOW);
  }
  

  
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  
 if(WiFi.status() == WL_CONNECTED){
    HTTPClient http;
    
    // Inicia o cliente
    http.begin(serverName);
    http.addHeader("Content-Type", "application/x-www-form-urlencoded");


    // Cria os dados a serem enviados
    String httpRequestData = "temp1=" + String(data.temperature, 2) + "&hum1=" + String(data.humidity, 1);
    
int httpResponseCode = http.POST(httpRequestData);
    
    if (httpResponseCode>0) {
      String response = http.getString();
      Serial.println(httpResponseCode);
      Serial.println(response);
    }
    else {
      Serial.print("Erro no código: ");
      Serial.println(httpResponseCode);
    }
    // Encerra a conexão
    http.end();
  }
  else {
    Serial.println("Erro na conexão WiFi");
  }


  delay(600000);
}