#include <ESP8266WiFi.h>
#include <WiFiClientSecure.h> //KNIZNICA pre HTTPS spojenia
#include "DHT.h"
#define DHTPIN 2 //GPIO2 = D4
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321
DHT dht(DHTPIN, DHTTYPE);
const char * ssid = "marvel"; //meno wifi siete
const char * password = "zdenek23"; //Heslo na wifi siet
const char * host = "tausha.php5.cz"; //bez https a www
const int httpsPort = 443; //https port zabezpeceny prenos
const char * fingerprint ="‎34 62 31 d2 6d 18 cf d0 4c 2c cc 7a f8 85 d0 6a f6 ae 5b 13"; //odtlacok HTTPS certifikatu v SHA1 formate
const int rele = 0; //GPIO0 = D3
void setup() {
  Serial.begin(115200); //rychlost seriovej linky
  pinMode(rele, OUTPUT);
    dht.begin();
  Serial.println();
  Serial.println("pripajam na ");
  Serial.println(ssid);
  WiFi.begin(ssid, password); //pripoj sa na wifi siet s heslom
  while (WiFi.status() != WL_CONNECTED) { //pokial sa nepripojime na wifi opakuj pripajanie a spustaj funkcie pre ovladanie v offline rezime
    delay(500);
    Serial.println(".");
  }
  Serial.println("");
  Serial.println("WiFi pripojene"); //uspesne pripojenie na wifi siet
  Serial.println("IP adresa: ");
  Serial.println(WiFi.localIP()); // pridelena IP adresa pre dosku
}

void odosli_data() {

  WiFiClientSecure client;
  if (client.verify(fingerprint, host)) {} else {}
  if (client.connect(host, httpsPort)) {
     String h = String(dht.readHumidity());
  // Read temperature as Celsius (the default)
  String t = String(dht.readTemperature());
String url = "/zapisdata.php?teplota=" + t + "&vlhkost=" + h;
    client.print(String("GET ") + url + " HTTP/1.1\r\n" + "Host: " + host + "\r\n" + "User-Agent: NodeMCU\r\n" + "Connection: close\r\n\r\n");
    Serial.println("Odoslane data do db:");
   Serial.println(h);
    Serial.println(t);
  } else if (!client.connect(host, httpsPort)) {
    Serial.println("Neuspesne pripojenie pre odoslanie teplot do DB!");
  }
}




void stav_rele() {
  WiFiClientSecure client;
  if (client.verify(fingerprint, host)) {} else {}
  if (client.connect(host, httpsPort)) {
    String url = "/rele1.txt";
    client.print(String("GET ") + url + " HTTP/1.1\r\n" + "Host: " + host + "\r\n" + "User-Agent: NodeMCU\r\n" + "Connection: close\r\n\r\n");

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

    if (line == "ZAP") {
      digitalWrite(rele, LOW);
      Serial.println("Rele zapnute");
    } else if (line == "VYP") {
      digitalWrite(rele, HIGH);
      Serial.println("Rele vypnute");
    }
  } else if (!client.connect(host, httpsPort)) {
    Serial.println("Neuspesne pripojenie pre ovladanie rele!");

  }
}
void loop() {

    odosli_data();
    stav_rele();
 delay(10000);

}