#include <OneWire.h>
#include <DallasTemperature.h>
#include <SPI.h>
#include <Ethernet.h>
#include <Dhcp.h>
#include <Dns.h>
#include <EthernetUdp.h>
#include <Wire.h>
#define ONE_WIRE_BUS 2





float teplota = 0;
float ph=0;
float zakalenie=0;
int hlbka=0;



OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature sensor
DallasTemperature sensors(&oneWire);


#define Hostname "Arduino"                                    //Meno v sieti
byte mac[] = {0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED};            //MAC adresa
char server[] = "www.logaro.studenthosting.sk";                            //adresa webservera
IPAddress ip(10, 0, 0, 8);                               //IP adresa v lokalnej sieti
EthernetClient client;                                        //Spustenie ethernetu ako klienta


int sensorPin = A1;
float volt;
float ntu;
float val;
const int analogInPin = A0;
int sensorValue = 0;
unsigned long int avgValue;
float b;
int buf[10],temp;
float round_to_dp( float in_value, int decimal_place )



{
  float multiplier = powf( 10.0f, decimal_place );
  in_value = roundf( in_value * multiplier ) / multiplier;
  return in_value;
}

const int trigPin = 3;
const int echoPin = 4;
// defines variables
float duration;
int distance;


void setup() {
  // komunikácia cez sériovú linku rýchlosťou 112500 baud
pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output
pinMode(echoPin, INPUT); // Sets the echoPin as an Input
 Serial.begin(9600);
  // Start up the library
  sensors.begin();

}
void loop() {



// Clears the trigPin
digitalWrite(trigPin, LOW);
delayMicroseconds(2);
// Sets the trigPin on HIGH state for 10 micro seconds
digitalWrite(trigPin, HIGH);
delayMicroseconds(10);
digitalWrite(trigPin, LOW);
// Reads the echoPin, returns the sound wave travel time in microseconds
duration = pulseIn(echoPin, HIGH);
// Calculating the distance
distance= duration*0.034/2;


 sensors.requestTemperatures();

   volt = 0;
    for(int i=0; i<800; i++)
    {
        volt += ((float)analogRead(sensorPin)/1023)*5;
    }

    volt = volt/800;
    volt = round_to_dp(volt,1);
    if(volt < 2.5){
      ntu = 3000;
    }else{
      ntu = -1120.4*square(volt)+5742.3*volt-4353.8;

    }
  val = map(ntu, 1798,3000 , 0, 100);
   sensors.requestTemperatures();


 for(int i=0;i<10;i++)
 {
  buf[i]=analogRead(analogInPin);
  delay(10);
 }
 for(int i=0;i<9;i++)
 {
  for(int j=i+1;j<10;j++)
  {
   if(buf[i]>buf[j])
   {
    temp=buf[i];
    buf[i]=buf[j];
    buf[j]=temp;
   }
  }
 }
 avgValue=0;
 for(int i=2;i<8;i++)
 avgValue+=buf[i];
 float pHVol=(float)avgValue*5.0/1024/6;
 float phValue = -5.70 * pHVol + 21.34;
// Serial.print("sensor = ");
 //Serial.println(phValue);


hlbka=distance;
ph=phValue;
zakalenie=val;
teplota=sensors.getTempCByIndex(0);

  if (Ethernet.begin(mac) == 0) {                        //V prípade zlyhania vypíš
    Serial.println("Chyba konfiguracie cez DHCP");     //Vypis na seriovu linku
    Ethernet.begin(mac, ip);                          //Nastavenie IP a MAC adresy pre ethernet modul
  }

odosli_data();
delay(1000);

Serial.println(teplota);
Serial.println(ph);
Serial.println(zakalenie);
Serial.println(hlbka);



}// Koniec loop slučky


void odosli_data() {
  if (client.connect(server, 80)) {                              // Ak pripojí na server, port 80
    Serial.println("Pripojenie uspesne na webserver");            //vypise na seriovu linku
    client.print("GET /water/arduino/zapisdata.php?teplota=");         //Začiatok HTTP REQUEST --> client.print GET Metodou s oznacenim premennej, do ktorej sa zapíšu dáta


    client.print(teplota);
    client.print("&zakalenie=");
    client.print(zakalenie);
    client.print("&hlbka=");
    client.print(hlbka);
    client.print("&ph=");
 client.print(ph);
    client.println(" HTTP/1.1");
    client.println("Host: www.logaro.studenthosting.sk");                // Adresa hosta na ktorý, bol mierený REQUEST
    client.println("Connection: close");
    client.println();                                           //Zalomenie riadka
    client.stop();                                              // Ukoncenie pripojenia ethernet shieldu
  }   else  {
    Serial.println("Pripojenie zlyhalo...");
  }
}