extern "C" {
#include "user_interface.h"
}

#include <ESP8266WiFi.h>
#include <Wire.h>
#include "DHT.h"

const char* ssid     = "Livebox-37cc";
const char* password = "8A6060920A8A86896F770F2C47";
const int sleepTime  = 60; //Power down WiFi for 6 seconds

// DHT

#define DHTPIN 2     // what pin we're connected to
#define DHTTYPE DHT11   // DHT 11 
// Initialize DHT sensor for normal 16mhz Arduino
DHT dht(DHTPIN, DHTTYPE);


// int status = WL_IDLE_STATUS;     // the Wifi radio's status
WiFiClient client;

// domoticz
const char * domoticz_server = "192.168.0.10"; //Domoticz port
int port        = 8080; //Domoticz port
int idx         = 660; //IDX for this virtual sensor, found in Setup -> Devices

float temp     = 0.0;
float humidite = 0.0; 

void setup()
{
  Serial.begin(9600);
  Wire.pins(0, 2);
  Wire.begin(0, 2);

  // DHT
  dht.begin();
    
}

void loop()
{
  initWifi();
  doDHT();
  printInfo();
  sleepWifi();
}
void doDHT() {
   // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  humidite = h;
  
  // Read temperature as Celsius
  float t = dht.readTemperature();
  // Read temperature as Fahrenheit
  float f = dht.readTemperature(true);
  
  // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t) || isnan(f)) {
   // Serial.println("Failed to read from DHT sensor!");
    return;
  } else {
        // Compute heat index
    // Must send in temp in Fahrenheit!
    float hi = dht.computeHeatIndex(f, h);
  
    Serial.print("Humidity: "); 
    Serial.print(h);
    Serial.print(" %\t");
    Serial.print("Temperature: "); 
    Serial.print(t);
    Serial.print(" *C ");
    Serial.print(f);
    Serial.print(" *F\t");
    Serial.print("Heat index: ");
    Serial.print(hi);
    Serial.println(" *F");

    temp = t;
  }
}

void sleepWifi()
{
  //Time to let the WiFi go to sleep!
  Serial.println("Sleeping...");
  WiFi.disconnect();
  WiFi.mode(WIFI_OFF);
  WiFi.forceSleepBegin(sleepTime * 1000000L); //In uS. Must be same length as your delay
  delay(sleepTime * 1000); //Hang out at 15mA for 6 seconds
  WiFi.mode(WIFI_STA);
  Serial.println("Awake!");
}
void initWifi()
{
  WiFi.mode(WIFI_AP);
  WiFi.begin(ssid, password); //Connect to local Wifi

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

void printInfo()
{
  // Domoticz format /json.htm?type=command&param=udevice&idx=IDX&nvalue=0&svalue=TEMP;HUM;HUM_STAT

  if (client.connect(domoticz_server, port) && temp > 0) {

// /json.htm?type=command&param=udevice&idx=IDX&nvalue=0&svalue=TEMP;HUM;HUM_STAT;BAR;BAR_FOR
//domoticz:8080/json.htm?type=command&param=udevice&idx=659&nvalue=0&svalue=16.00;50;50;1007;760
    client.print("GET /json.htm?type=command&param=udevice&idx=");
    client.print(idx);
    client.print("&nvalue=0&svalue=");
    client.print(temp);
    client.print(";");
    client.print(humidite);
    client.print(";0"); //Value for HUM_STAT. Can be one of: 0=Normal, 1=Comfortable, 2=Dry, 3=Wet
    client.print(";");
    client.print(humidite);
    client.println(" HTTP/1.1");
    client.print("Host: ");
    client.print(domoticz_server);
    client.print(":");
    client.println(port);
    client.println("User-Agent: Arduino-ethernet");
    client.println("Connection: close");
    client.println();

    client.stop();
  }
}