#include <WiFi.h>
#include <WiFiClientSecure.h>
#include "DHTesp.h"

char SSID[] = "Yun_22Ultra";
char password[] = "94879487";
String Linetoken = "WuDsHgPqKfUyVKKBKrLOtYY1tqvEUuGKkicwd35lfeH";

const int DHT_pin = 15;

DHTesp dhtSensor;
WiFiClientSecure client;
char host[] = "notify-api.line.me";

void setup()
{
  Serial.begin(115200);
  Serial.print("Connecting Wifi: ");
  Serial.println(SSID);
  //WiFi.begin(SSID, password);
  WiFi.begin("Wokwi-GUEST", "", 6);
  while (WiFi.status() != WL_CONNECTED)
  {
    Serial.print(".");
    delay(500);
  }
  Serial.println("");
  Serial.println("WiFi connected");
  Serial.println("IP address: ");
  IPAddress ip = WiFi.localIP();
  Serial.println(ip);

  client.setInsecure();
  dhtSensor.setup(DHT_pin, DHTesp::DHT22);
}

void loop()
{
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  byte temperature = data.temperature;
  byte humidity = data.humidity;
  
  /*
  //讀取成功，將溫濕度顯示在序列視窗
  Serial.print("Sample OK: ");
  Serial.print((int)temperature); Serial.print(" *C, ");
  Serial.print((int)humidity); Serial.println(" H");
  */

  //設定觸發LINE訊息條件為溫度超過30或濕度超過80
  if ((int)temperature >= 30 || (int)humidity >= 80)
  {
    //組成Line訊息內容
    String message = "檢測環境發生異常，請協助儘速派人查看處理，目前環境狀態：";
    message += "\n溫度=" + String(((int)temperature)) + " *C";
    message += "\n濕度=" + String(((int)humidity)) + " H";
    Serial.println(message);
    if (client.connect(host, 443))
    {
      int LEN = message.length();
      //傳遞POST表頭
      String url = "/api/notify";
      client.println("POST " + url + " HTTP/1.1");
      client.print("Host: "); client.println(host);
      //權杖
      client.print("Authorization: Bearer "); client.println(Linetoken);
      client.println("Content-Type: application/x-www-form-urlencoded");
      client.print("Content-Length: "); client.println( String((LEN + 8)) );
      client.println();      
      client.print("message="); client.println(message);
      client.println();
      //等候回應
      delay(2000);
      String response = client.readString();
      //顯示傳遞結果
      Serial.println(response);
      client.stop(); //斷線，否則只能傳5次
    }
    else
    {
      //傳送失敗
      Serial.println("connected fail");
    }
  }
  delay(3000);
}