#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include <Adafruit_BMP085.h>
#include "DHT.h"
#include <DS3231.h>
#include <OneWire.h>
#include "DallasTemperature.h"
#include <EtherCard.h>

static byte mymac[] = { 0x74,0x69,0x69,0x2D,0x30,0x31 };
byte Ethernet::buffer[700];
static uint32_t timer;
const char website[] PROGMEM = "www.mojastrona.pl";
char buffer[128];
static void my_callback (byte status, word off, word len)
{
  Serial.println(">>>");
  Ethernet::buffer[off+300] = 0;
  Serial.print((const char*) Ethernet::buffer + off);
  Serial.println("...");
}

DS3231 clock;
RTCDateTime dt;
LiquidCrystal_I2C lcd(0x27,20,4); //set the LCD address to 0x27 for a 20 chars and 4 line display

byte thermometer[8] = //icon for thermometer
{
  B00100,
  B01010,
  B01010,
  B01110,
  B01110,
  B11111,
  B11111,
  B01110
};

byte droplet[8] = //icon for droplet
{
  B00100,
  B00100,
  B01010,
  B01010,
  B10001,
  B10001,
  B10001,
  B01110,
};

 Adafruit_BMP085 bmp;

#define DHTPIN 9 // what pin we're connected to
#define DHTTYPE DHT22 //DHT 22  (AM2302)
DHT dht(DHTPIN, DHTTYPE); //initialize DHT sensor for normal 16mhz Arduino

#define ONE_WIRE_BUS1 7 //data wire is plugged into port 7 on the Arduino
#define ONE_WIRE_BUS2 6 //data wire is plugged into port 6 on the Arduino
OneWire oneWire1(ONE_WIRE_BUS1); //setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
OneWire oneWire2(ONE_WIRE_BUS2); //setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
DallasTemperature sensors1(&oneWire1); //pass our oneWire reference to Dallas Temperature.
DallasTemperature sensors2(&oneWire2); //pass our oneWire reference to Dallas Temperature.

float temp1, min1 = 100, max1 = -100;
float temp2, min2 = 100, max2 = -100;
float hum, hummin = 99, hummax = 1;
float currentPressurehp, presmin = 1020, presmax = 980;

const int buttonPin = 2;
int buttonState = 0;

int nRainIn = A1;
int nRainDigitalIn = 8;
int nRainVal;
boolean bIsRaining = false;
String strRaining;

void setup()
{
  Serial.begin(57600);

  pinMode(buttonPin, INPUT); //przycisk
  pinMode(12, INPUT); //czujnik deszczu

  Serial.println(F("\n[webClient]"));                         // tu sie zaczyna  kod dla ethernetu
      if (ether.begin(sizeof Ethernet::buffer, mymac) == 0)
  Serial.println(F("Failed to access Ethernet controller"));
      if (!ether.dhcpSetup())
  Serial.println(F("DHCP failed"));
  ether.printIp("IP:  ", ether.myip);
  ether.printIp("GW:  ", ether.gwip);
  ether.printIp("DNS: ", ether.dnsip);
      if (!ether.dnsLookup(website))
  Serial.println("DNS failed");
  ether.printIp("SRV: ", ether.hisip);

  lcd.init();                                                 //initialize the lcd
  lcd.backlight();                                            //switch on backlight on lcd

  clock.begin();
  clock.setDateTime(__DATE__, __TIME__);
  Wire.begin();
  dht.begin();
  bmp.begin();
  sensors1.begin(); //start up the library
  sensors2.begin(); //start up the library
  sensors1.setResolution(12); // ustalamy rozdzielczość pomiaru

  lcd.createChar(1, thermometer);
  lcd.createChar(2, droplet);

  lcd.setCursor(4,3);
  lcd.print("#powitanie#");
  lcd.setCursor(0,0);
  lcd.print("Stacja pogodowa z");
  lcd.setCursor(0,1);
  lcd.print("wykorzystaniem");
  lcd.setCursor(0,2);
  lcd.print("Arduino :)");
  delay(2000);
  lcd.clear();
}


void loop()
{
  nRainVal = analogRead(nRainIn);                     //czujnik deszczu
  bIsRaining = !(digitalRead(nRainDigitalIn));        //czujnik deszczu

      if(bIsRaining)
        {
        strRaining = "PADA";
        }
      else
        {
        strRaining = "NIE PADA";
        }

  buttonState = digitalRead(buttonPin); //przycisk

  sensors1.requestTemperatures(); //send the command to get temperatures
  sensors2.requestTemperatures(); //send the command to get temperatures
  temp1 = sensors1.getTempCByIndex(0);
  temp2 = sensors2.getTempCByIndex(0);

      if(temp1 < min1)
        min1 = temp1;
      if(temp1 > max1)
        max1 = temp1;

      if(temp2 < min2)
        min2 = temp2;
      if(temp2 > max2)
        max2 = temp2;

  lcd.setCursor(0,0);
  lcd.write(1);
  lcd.print("in");
  lcd.print("  ");
  lcd.print(temp1, 1); //temperature for the device 1
  lcd.write(0b11011111);
  lcd.print("C");

  lcd.setCursor(0,1);
  lcd.write(1);
  lcd.print("out");
  lcd.print(" ");
  lcd.print(temp2, 1); //temperature for the device 2
  lcd.write(0b11011111);
  lcd.print("C");

  dt = clock.getDateTime();
  lcd.setCursor(15,0);
  if (dt.hour<10) lcd.print("0");
  lcd.print(dt.hour);
  lcd.print(":");
  if (dt.minute<10) lcd.print("0");
  lcd.print(dt.minute);

  lcd.setCursor(0,2);
  lcd.write(2);
  lcd.print(" ");
  lcd.print(hum, 1); //print out humiditi from dht22
  lcd.print("%");

  float seaLevelPressure = 102150;
  float currentPressure = bmp.readPressure();
  float currentPressurehp = (currentPressure /100);
  float altitude = bmp.readAltitude(seaLevelPressure);

  lcd.setCursor(0,3);
  lcd.print("P ");
  lcd.print(currentPressurehp);
  lcd.print("hPa");

  lcd.setCursor(12,2);
  lcd.print(strRaining);

      if(hum < hummin)
        hummin = hum;
      if(hum > hummax)
        hummax = hum;

      if(currentPressurehp < presmin)
        presmin = currentPressurehp;
      if(currentPressurehp > presmax)
        presmax = currentPressurehp;

  bool przyciskbool = false;
  delay(1000);

      if(buttonState == HIGH)
        przyciskbool = true;
      else
         przyciskbool = false;

      if(przyciskbool = true)
        {
        delay(20);
        lcd.clear();
        lcd.setCursor(0,0);
        lcd.write(1);
        lcd.print("in max ");
        lcd.print(max1); //temperature for the device 1
        lcd.write(0b11011111);
        lcd.print("C");

        lcd.setCursor(0,1);
        lcd.write(1);
        lcd.print("in min ");
        lcd.print(min1); //temperature for the device 1
        lcd.write(0b11011111);
        lcd.print("C");

        lcd.setCursor(0,2);
        lcd.write(1);
        lcd.print("out max ");
        lcd.print(max2);

        lcd.setCursor(0,3);
        lcd.write(1);
        lcd.print("out min ");
        lcd.print(min2);

        delay(3500);
        lcd.clear();

        lcd.setCursor(0,0);
        lcd.write(2);
        lcd.print("max ");
        lcd.print(hummax);

        lcd.setCursor(0,1);
        lcd.write(2);
        lcd.print("min ");
        lcd.print(hummin);

        lcd.setCursor(0,2);
        lcd.print("Pmax ");
        lcd.print(presmax);

        lcd.setCursor(0,3);
        lcd.print("Pmin ");
        lcd.print(presmin);
        }



      if (millis() > timer)
        {
        timer = millis() + 5000;
        Serial.println();
        Serial.print("<<< REQ ");
        sprintf(buffer, "temp1=%d&temp2=%d&hum=%d&pressure=%d&rain=%d", String(temp1).c_str(), String(temp2).c_str(), String(hum).c_str(), String(currentPressurehp).c_str(), String(strRaining).c_str());
        ether.browseUrl(PSTR("/add.php?"), buffer, website, my_callback);
        }

 }