#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include <ESP8266WiFi.h> //Knihovna pro rizeni ESP:
#include <ESP8266HTTPClient.h> //Knihovna pro klienta:
#include <MAX6675_Thermocouple.h> //Knihovna pro rizeni senzoru:

//Definovani PINu pro pripojeni Display:
#define OLED_RESET 0  // GPIO0
Adafruit_SSD1306 display(OLED_RESET);

//Definovani PINu pro pripojeni mereni:
#define SCK_PIN 14    //(D5)
#define CS_PIN  4     //(D2)
#define CS2_PIN  0    //(D3)
#define SO_PIN  5     //(D1)


MAX6675_Thermocouple* thermocouple = NULL;
MAX6675_Thermocouple* thermocouple2 = NULL;

const String ID_zarizeni = "ids2000"; //Definuj id zařízení:

   //SSID a heslo pro Wi-Fi:
const char* SSID = "WWW.***************.CZ";
const char* heslo = "*****************";

void setup() {

  Serial.begin(115200);
  thermocouple = new MAX6675_Thermocouple(SCK_PIN, CS_PIN, SO_PIN);
  thermocouple2 = new MAX6675_Thermocouple(SCK_PIN, CS2_PIN, SO_PIN);

  // Display
    display.begin(SSD1306_SWITCHCAPVCC, 0x3C);  // initialize with the I2C addr 0x3C (for the 64x48)
    display.display();

  //Pripojeni k Wi-Fi:

    Serial.println();
    Serial.println();
    Serial.print("Pripojovani k ");
    Serial.println(SSID);
    WiFi.begin(SSID, heslo);

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

    Serial.println(WiFi.localIP());

}

// Smicka ktera se opakuje

void loop() {



  const double celsius = thermocouple->readCelsius();
  const double celsius2 = thermocouple2->readCelsius();

// Display

  display.clearDisplay();
  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0, 0);

  // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float t1 = thermocouple->readCelsius();
  float t2 = thermocouple2->readCelsius();

  // Check if any reads failed and exit early (to try again).
  if (isnan(t1) || isnan(t2))
  {
    Serial.println("Nepodarilo se najit senzor");
    return;
  }
  //temp in c
  display.println("Teplota");
  display.print(t1);
  display.println(" c");
  display.println("----------");
  display.println("----------");
  display.println("Vlhkost");
  display.print(t2);
  display.println(" %");
  display.display();


// Display konec


  Serial.println("Teplota senzor 1: ");
  Serial.println(String(celsius) + " C, ");

  Serial.println("Teplota senzor 2: ");
  Serial.println(String(celsius2) + " C, ");

  if (WiFi.status() == WL_CONNECTED) { //Kontroluje pripojeni k wifi

    HTTPClient http;  //Deklaruje http klienta

    http.begin("http://192.168.0.103/polycom/databaze.php?t1=" + String(celsius) + "&t2=" + String(celsius2) + "&z=" + ID_zarizeni);  //Specify request destination
    int httpCode = http.GET();   //Odesila pozadavky na adresu

    //Pouze pokud potřebujeme odpověď ze serveru, například JSON data
    /*
    if (httpCode > 0) { //Check the returning code

     // String payload = http.getString();   //Get the request response payload
     // Serial.println(payload);                     //Print the response payload

    }
    */

    http.end();   //uzavira pripojeni
  }

  delay(60000); //Prodleva pred opakovanim (1 minuta)
}