#include <DHT.h>
#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>

String apiKey = "L7U75MY7WHC9AEKU";
const char* ssid = "dd-wrt";
const char* password = "mobilne2018";
const char* server = "https://dweet.io/dweet/for/subsequent-shoe?";

#define DHTPIN D2
#define DHTTYPE DHT11

DHT dht(DHTPIN, DHTTYPE);
WiFiClient client;

void setup()
{
Serial.begin(115200);
delay(10);
dht.begin();

WiFi.begin(ssid, password);

Serial.println();
Serial.println();
Serial.print("Connecting to ");
Serial.println(ssid);

WiFi.begin(ssid, password);

while (WiFi.status() != WL_CONNECTED)
{
delay(500);
Serial.print(".");
}
Serial.println("");
Serial.println("WiFi connected");

}

void loop()
{

float h = dht.readHumidity();
float t = dht.readTemperature();
if (isnan(h) || isnan(t))
{
Serial.println( h );
Serial.println(t);
Serial.println("Failed to read from DHT sensor!");
return;
}


String sf(t, 2);
String sh(h, 2);

HTTPClient http;    //Declare object of class HTTPClient

http.begin("http://dweet.io/dweet/for/subsequent-shoe?temp=" + sf + "&humidity=" + sh);
http.addHeader("Content-Type", "text/plain");  //Specify content-type header

int httpCode = http.POST("");   //Send the request
String payload = http.getString();                  //Get the response payload

Serial.println(httpCode);   //Print HTTP return code
Serial.println(payload);    //Print request response payload

http.end();  //Close connection

if (client.connect(server,80)) {
String postStr = apiKey;
postStr +="&field1=";
postStr += String(t);
postStr +="&field2=";
postStr += String(h);
postStr += "\r\n\r\n";

client.print("POST /dweet/for/subsequent-shoe?field1=" + String(t) + "&field2=" + String(h) + " HTTP/1.1\n");
client.print("Host: https://dweet.io\n");
client.print("Connection: close\n");
//client.print("X-THINGSPEAKAPIKEY: "+apiKey+"\n");
//client.print("Content-Type: application/json\n");
//client.print("Content-Length: ");
//client.print(postStr.length());
client.print("\n\n");
//client.print(postStr);

Serial.print("Temperature: ");
Serial.print(t);
Serial.print(" degrees Celsius Humidity: ");
Serial.print(h);
Serial.println("Sending data to Thingspeak");
}
client.stop();

Serial.println("Waiting 20 secs");
// thingspeak needs at least a 15 sec delay between updates
// 20 seconds to be safe
delay(20000);
}