#include "wifi.h"

#include <ESP8266WiFi.h>

#define WIFI_TIMEOUT_MILLIS         20000

unsigned long wifiConnectBegin = 0;

bool wifiConnected = false;

bool isWiFiConnected() {
  return wifiConnected;
}

void wifiSetup() {
  wifiConnected = false;
  WiFi.disconnect();
  yield();

  wifiConnectBegin = millis();
  Serial.print("connecting wifi...\n");
  WiFi.hostname("KnxEsp");
  WiFi.begin("HappyNet", "1Grausame!Sackratte7");
}

void wifiLoop() {
  if (!wifiConnected) {
    if (WiFi.localIP() == 0UL) {
      if (millis() - wifiConnectBegin > WIFI_TIMEOUT_MILLIS) {
        if (wifiConnectBegin != 0) {
          Serial.print("wifi timeout\n");
        }
        wifiSetup();
      }
    } else {
      Serial.print("wifi connected\n");
      wifiConnected = true;
    }
  } else {
    if (WiFi.localIP() == 0UL) {
      Serial.print("wifi disconnected\n");
      wifiSetup();
    }
  }
}