#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 int myChannelNumber = 2287382;
const char* myApiKey = "GBWIS82HQLNSCM3Y";
const char* server = "api.thingspeak.com";

const char* token = "0crHJ69lnNpb83nD2eUBYwNJz6kfo3BqH0hn4CirS9k";

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() {
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");

TempAndHumidity data = dhtSensor.getTempAndHumidity(); 
ThingSpeak.setField(1,data.temperature);
ThingSpeak.setField(2,data.humidity);

if (data.temperature > 35 || data.temperature < 12 ) {
  digitalWrite(LED_PIN, HIGH);
  http.POST("message=High temperature & "); 
  Serial.println("High temperature message sent"); 
  Serial.println("==================================");

}else if (data.humidity > 70 || data.humidity < 40) { 
    digitalWrite(LED_PIN, HIGH); 
    http.POST("message=Low humidity");
    Serial.println("Low humidity message sent");
    Serial.println("==================================");
}else{
  digitalWrite(LED_PIN, LOW);
}
  
  int x = ThingSpeak.writeFields(myChannelNumber,myApiKey);

  Serial.println("Temp: " + String(data.temperature, 2) + "c");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");

  if(x == 200){
    Serial.println("Data pushed successfull");
  }else{
    Serial.println("Push error" + String(x));
  }
  Serial.println("---");

  int httpCode = http.POST("READY");

    if (httpCode > 0){
      String response = http.getString();
    }else{
      Serial.println(".....");
    }
    http.end();

    delay(10000);

    }