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


const char* ssid = "Wokwi-GUEST";
const char* password = "";
//const char* token = "EwWf5eYvserSAengH7lgoc5znXtQ0UuzjrUzf8BPYWR";
const char* token = "91OZMD90qG6Y3irl4qRUOn3sEcTYq8Ru4I8GjQihZt3";


#define DHTPIN 5      // Pin connected to DHT22
#define DHTTYPE DHT22 // DHT sensor type


DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  dht.begin();
  WiFi.begin("Wokwi-GUEST", "");
  
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("Connecting to WiFi...");
  }
  Serial.printf("\nWiFi connected\nIP : ");
  Serial.println(WiFi.localIP());  
  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 humidity = dht.readHumidity();
    float temperature = dht.readTemperature();

  
    

    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);
      Serial.println(" °C");
      
      delay(9000);
      
    if (temperature < 26) {
        http.POST("message=อุณหภูมิ Normal "+String(temperature)+"°C🌡");
       Serial.println("Humidity: "+String(humidity)+" %\t" "Temperature: "+String(temperature)+" °C");
    delay(6000000);
      
    } else {
        http.POST("message=อุณหภูมิ High  "+String(temperature)+"°C🌡");
        Serial.println("High temperature message sent");
        Serial.println("==================================");
        delay(100000);
      }  
    
        


      if (humidity < 40) {
        http.POST("message=Low humidity "+String(humidity)+" % 🌫");
        Serial.println("Low humidity message sent");
        Serial.println("==================================");
        delay(1000000); 
      }



    }

    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(9000); // Send a message and read sensor data every 9 seconds
  }


}