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

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const char* token = "Sx44LltaR3MJWgRungG199ljtnpjRUyM4c5Wt4ySU3C"; //Line token form https://notify-bot.line.me/th/


#define DHTPIN 4      // Pin connected to DHT22
#define DHTTYPE DHT22 // DHT sensor type

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  delay(4000);
  dht.begin();
  delay(2000);
  WiFi.begin("Wokwi-GUEST", "", 6);
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }

  Serial.println("Connected to WiFi");
  Serial.println(" READY ");
  
}

void loop() {
  if (WiFi.status() == WL_CONNECTED) {
    HTTPClient http;

    http.begin("https://notify-api.line.me/api/notify");
    http.addHeader("Authorization", "Bearer " + String(token));
    http.addHeader("Content-Type", "application/x-www-form-urlencoded");

   float temperature = dht.readTemperature(); // Gets the values of the temperature
   float humidity = dht.readHumidity(); // Gets the values of the humidity 


    if (isnan(humidity) || isnan(temperature)) {
      Serial.println("Failed to read from DHT sensor!");
    } else {
      Serial.print("Humidity: ");
      Serial.print(humidity);
      Serial.print(" %\t");
      Serial.print("Temperature: ");
      Serial.print(temperature);

      String humid = String(humidity);
      http.POST("message=Humidity : "+humid+" %");

      String tempMessage = String(temperature);
      http.POST("message=Temperature : "+tempMessage+" °C");
      
      if (temperature > 35) {
        http.POST("message=แจ้งเตือนอุณหภูมิสูง🌡");
        Serial.println("High temperature message sent");

      }
      if (humidity > 55) {
        http.POST("message=แจ้งเตือนความชื้นสูง🌫");

         Serial.println("High humidity message sent");
        Serial.println("==================================");
      }

    }

    int httpCode = http.POST("READY");  // Use an empty POST request to send only headers

    if (httpCode > 0) {
      String response = http.getString();
    //   Serial.print("HTTP Response code: ");
    //   Serial.println(httpCode);
    //   Serial.print("Server response: ");
    //  Serial.println(response);
    } else {
      Serial.println(".....");
    }

    http.end();

    delay(5000); // Send a message and read sensor data every 15 Minute
  }
}