#include "Domoticz.h"

Domoticz::Domoticz(String domoticz, String port, const char* ssid, const char* pass)
{
  _domoticz = domoticz;
  _port     = port;
  _ssid     = ssid;
  _pass     = pass;

  //      // Domo
  //  _domoc[_domoticz.length() + 1];
  //  _domoticz.toCharArray(_domoc, _domoticz.length() + 1);
  //
  //  // Port
  //  char portc[_port.length() + 1];
  //  _port.toCharArray(portc, _port.length() + 1);
  //  _iport = atoi(portc);

}

boolean Domoticz::connect()
{

  // Domo
  char _domoc[_domoticz.length() + 1];
  _domoticz.toCharArray(_domoc, _domoticz.length() + 1);

  // Port
  char portc[_port.length() + 1];
  _port.toCharArray(portc, _port.length() + 1);
  int _iport = atoi(portc);

  boolean connected = _client.connect(_domoc, _iport);
  Serial.print(_domoc);
  Serial.print("  ");
  Serial.print(_iport);
  Serial.print("  ");
  Serial.print(" connected ");
  Serial.print(connected);
  Serial.print("  ");
  Serial.println(WiFi.localIP());
  return connected;
}

void Domoticz::close()
{

}

void Domoticz::initWifi()
{
  WiFi.mode(WIFI_AP);
  WiFi.begin(_ssid, _pass); //Connect to local Wifi

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

String Domoticz::generateKey()
{
  // WiFi.mode(WIFI_AP);

  // Do a little work to get a unique-ish name. Append the
  // last two bytes of the MAC (HEX'd) to "Thing-":
  uint8_t mac[WL_MAC_ADDR_LENGTH];
  WiFi.softAPmacAddress(mac);
  String macID = String(mac[WL_MAC_ADDR_LENGTH - 2], HEX) + String(mac[WL_MAC_ADDR_LENGTH - 1], HEX);
  macID.toUpperCase();
  String AP_NameString = "ESP8266 Thing " + macID;

  char AP_NameChar[AP_NameString.length() + 1];
  memset(AP_NameChar, 0, AP_NameString.length() + 1);

  for (int i = 0; i < AP_NameString.length(); i++)
  {
    AP_NameChar[i] = AP_NameString.charAt(i);
  }

  // WiFi.softAP(AP_NameChar, WiFiAPPSK);

  Serial.println("macID=" + macID);
  _macID = macID;

  return macID;
}

void Domoticz::executeJson(String json, String svalue, String nvalue)
{
  // Domo
  char _domoc[_domoticz.length() + 1];
  _domoticz.toCharArray(_domoc, _domoticz.length() + 1);

  // Port
  char portc[_port.length() + 1];
  _port.toCharArray(portc, _port.length() + 1);
  int _iport = atoi(portc);

  _client.print("GET " + json); //"GET /json.htm?type=command&param=getuservariables");

  if (svalue != "") {
    _client.print("&svalue=" + svalue);
  }
  if (nvalue != "") {
    _client.print("&nvalue=" + nvalue);
  }

  _client.println(" HTTP/1.1");
  _client.print("Host: ");
  _client.print(_domoc);
  _client.print(":");
  _client.println(_iport);
  _client.println("User-Agent: Arduino-ethernet");
  _client.println("Connection: close");
  _client.println();

  Serial.println("json=" + json);

}

//--------------------------------------------------------------------------------------------------
// Read current supply voltage
//--------------------------------------------------------------------------------------------------
String Domoticz::readVcc() {
  // most exact output
  uint16_t v = ESP.getVcc();
  float_t v_cal = ((float) v / 1024.0f);
  char v_str[10];
  dtostrf(v_cal, 5, 3, v_str);
  sprintf(v_str, "%s", v_str);
  Serial.print("Tension lue ");
  Serial.println(String(v_str));

  return String(v_str); //ESP.getVcc() / 1024.0f; // Vcc in millivolts
}

String Domoticz::getIndexOfString(String data, String separator, int index)
{
  int found = 0;
  int strIndex[] = { 0, -1 };
  int maxIndex = data.length() - 1;

  for (int i = 0; i <= maxIndex && found <= index; i++) {
    if (data.charAt(i) == separator.charAt(0) || i == maxIndex) {
      found++;
      strIndex[0] = strIndex[1] + 1;
      strIndex[1] = (i == maxIndex) ? i + 1 : i;
    }
  }
  return found > index ? data.substring(strIndex[0], strIndex[1]) : "";
}

String Domoticz::readLine()
{
  return _client.readStringUntil('\n');
}

void Domoticz::readTempDayValues(String idx)
{
  String json = "/json.htm?type=graph&sensor=temp&idx=" + idx + "&range=day";
  int nb      = 0;
  int nbVal   = 0;
  data        = "";
  labels      = "";
  String label = "";
  Serial.println("readTempDayValues " + idx);
  connect();
  executeJson(json, "", "");
  while (1)
  {
    // Avoid WDT reset during long process
    yield();
    String line = readLine();

    if (line == "") {
      break;
    }

    if (line.indexOf("\"d\"") != -1) {
      //Serial.println(line + " ");
      label = line.substring(line.indexOf(":") + 2, line.length());
    }
    if (line.indexOf("\"te\"") != -1) {
      // Serial.println(line + " ");
      nbVal++;
      if (nbVal % 10) {
        String val = line.substring(line.indexOf(":") + 2, line.indexOf(".") + 2);
        if (val != NULL) {
          //Serial.println(val);
          if (data == "") {
            data += val;
            labels = "\"0\"";
          } else {
            char charBuf[50];
            // val.toCharArray(charBuf, 50);
            data += "," + val; //printf("%2.1f", atof(charBuf));
           // data += "," + val;
           // Serial.println(printf("%2.1f", atof(charBuf)));
            labels = labels + label;
          }
          if (data.length() > 500) {
            data = data.substring(data.indexOf(",") + 1);
            labels = labels.substring(labels.indexOf(",") + 1);
          }

        }
      }
    }
    nb++;
  }
      // Avoid WDT reset during long process
    yield();
   // Serial.println(data);
   // Serial.println(labels);
       yield();
  Serial.print("Nombre de lignes ");
  Serial.println(nb);
  close();
}

void Domoticz::getIdFromDomoticz(String macID, Params * params)
{
  String separator  = ",";
  int nb            = 0;

  Serial.println("Dans getIdFromDomoticz " + macID);

  // -------------------
  // LECTURE PARAM
  // -------------------
  if (params->esp8266_id == "") {
    boolean connected = connect();

    if (connected) {
      Serial.println("Connected to domoticz");
      executeJson("/json.htm?type=command&param=getuservariables", "", "");
      // Read the first line of the request
      while (1) {
        String req = readLine();
        if (req.indexOf(macID) != -1) {
          Serial.println(req);
          req = readLine();
          req = readLine();
          String val = req.substring(req.indexOf(":") + 2, req.length() - 1);
          Serial.println(val);
          val.replace("\"", "");
          params->esp8266_id = getIndexOfString(val, separator, 0);
          String tmp = getIndexOfString(val, separator, 1);

          char tmpc[tmp.length() + 1];
          tmp.toCharArray(tmpc, tmp.length() + 1);
          params->sleepTime = atoi(tmpc);
          if (params->sleepTime <= 0) {
            params->sleepTime = 60;
          }
          params->esp8266_id_Vcc = getIndexOfString(val, separator, 2);
          Serial.println("esp8266_id=" + params->esp8266_id);
          Serial.println("sleepTime=" + tmp);
          Serial.println("esp8266_id_Vcc=" + params->esp8266_id_Vcc);
          break;
        }
        if (req == "" || nb > 500) {
          break;
        }
        nb++;
      }
      _client.stop();
      delay(100);
    }
  }

}