void Line_Notify(String message);

#include <ESP8266WiFi.h>
#include <DHT.h>

#define DHTPIN 2 //D4

// Existing WiFi network
const char* ssid     = "Jaidee_iot"; // your wifi name
const char* password = ""; // your wifi password

#define LINE_TOKEN "v0EJG1CGNaYf7APFmzuDhSa6qWXvj3NRiEIGsOhoT41" // LINE Notify token

#define DHTTYPE DHT11   // DHT 11
//#define DHTTYPE DHT22   // DHT 22  (AM2302)
//#define DHTTYPE DHT21   // DHT 21 (AM2301)

DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  Serial.println("Weather");

  dht.begin();

  // Connect to your WiFi network
  WiFi.begin(ssid, password);
  Serial.print("Connecting");

  // Wait for successful connection
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected to: ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());
  Serial.println("");
}


void read_sensor() {

  delay(2000);
  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();

  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    Line_Notify("Failed to read from DHT sensor!");
    return;
   }

  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.print(" *C \n");


  String message = "%E0%B8%AD%E0%B8%B8%E0%B8%93%E0%B8%AB%E0%B8%A0%E0%B8%B9%E0%B8%A1%E0%B8%B4%20";
  String message2 = "%E0%B8%84%E0%B8%A7%E0%B8%B2%E0%B8%A1%E0%B8%8A%E0%B8%B7%E0%B9%89%E0%B8%99%20";
  // Send notificatin with LINE Notify
  Line_Notify(message + t + "%C2%B0C " + message2 + h +"%25");

}

void loop() {

  read_sensor();
  delay(3600000);
}


void Line_Notify(String message) {
  WiFiClientSecure client;

  if (!client.connect("notify-api.line.me", 443)) {
    Serial.println("connection failed");
    return;
  }

  String req = "";
  req += "POST /api/notify HTTP/1.1\r\n";
  req += "Host: notify-api.line.me\r\n";
  req += "Authorization: Bearer " + String(LINE_TOKEN) + "\r\n";
  req += "Cache-Control: no-cache\r\n";
  req += "User-Agent: ESP8266\r\n";
  req += "Content-Type: application/x-www-form-urlencoded\r\n";
  req += "Content-Length: " + String(String("message=" + message).length()) + "\r\n";
  req += "\r\n";
  req += "message=" + message;

  client.print(req);

  delay(1000);

  // Serial.println("-----");
  while(client.connected()) {
    String line = client.readStringUntil('\n');
    if (line == "\r") {
      break;
    }
    //Serial.println(line);
  }
  // Serial.println("-----");
}