void handleTest() {
  server.send(200, "text/plain", "200: OK");
}

bool preveriprijavo() {
  if(!server.authenticate(program_ime, readfile("/403/webgeslo.txt").c_str())){
    server.requestAuthentication();
    return false;
  } else {
    return true;
  }
}
void handleRoot() {
  if (!preveriprijavo()) return;
  server.sendHeader("Location", "/www/index.html");
  server.send(303);
}
void handleRename() {
  if (!preveriprijavo()) return;
  if (!server.hasArg("i") || server.arg("i") == NULL || !server.hasArg("v") || server.arg("v") == NULL) {
    server.send(400, "text/html", fihr(400, "obvezni argument: i(z) in v (pot datoteke, npr. /www/index.html)"));
    return;
  }
  if(SPIFFS.rename(server.arg("i"), server.arg("v"))) {
    server.send(200, "text/html", fihr(200, "uspešno premaknjeno!"));
  } else {
    server.send(500, "text/html", fihr(500, "premikanje ni uspelo!"));
  }
}
void handleTms() { // timeset
  if (!preveriprijavo()) return;
  if (!server.hasArg("s") || server.arg("s") == NULL) {
    server.send(400, "text/html", fihr(400, "obvezni argument: s(ec) ter neobvezni: h(r), m(in), s(ec), d(ay), (m)o(nth), y(ear) (ce je prisoten le argument s, nastavimo kot unix timestamp, drugace kot mhsdmy)"));
    return;
  }
  if (!server.hasArg("m") || server.arg("m") == NULL) {
    setTime(String(server.arg("s")).toInt());
    server.send(200, "text/html", fihr(200, "ura nastavljena!"));
  } else {
    if(server.hasArg("h") && server.arg("h") != NULL && server.hasArg("m") && server.arg("m") != NULL && server.hasArg("s") && server.arg("s") != NULL && 
    server.hasArg("d") && server.arg("d") != NULL && server.hasArg("o") && server.arg("o") != NULL && server.hasArg("y") && server.arg("y") != NULL) {
      setTime(String(server.arg("h")).toInt(), String(server.arg("m")).toInt(), String(server.arg("s")).toInt(), String(server.arg("d")).toInt(),
      String(server.arg("o")).toInt(), String(server.arg("y")).toInt());
      server.send(200, "text/html", fihr(200, "ura zamenjana!"));
    } else {
      server.send(400, "text/html", fihr(400, "ce ze delas ura, minuta, sekunda, dan, mesec, leto; morajo biti prisotni vsi argumenti (hmsdoy)"));
    }
  }
}
void handlePin() {
  if (!preveriprijavo()) return;
  if (!server.hasArg("p") || server.arg("p") == NULL) {
    server.send(400, "text/html", fihr(400, "obvezni argument: p(in) ter neobvezni: v(rednost) (0-1 za digital, 0-1023 za a) (glede na to ce je prisoten spremeni pinMode)"));
    return;
  }
  if (!server.hasArg("v") && server.arg("v") != NULL) {
    pinMode(pin2gpio(server.arg("p")), OUTPUT);
    if(server.arg("p").substring(0, 1) == "a" || server.arg("p").substring(0, 1) == "A" || server.arg("v").toInt() > 1) {
      analogWrite(pin2gpio(server.arg("p")), server.arg("v").toInt());
    } else {
      digitalWrite(pin2gpio(server.arg("p")), server.arg("v").toInt());
    }
  } else {
    pinMode(pin2gpio(server.arg("p")), OUTPUT);
    delay(1); // idk
    if(server.arg("p").substring(0, 1) == "a") {
      analogRead(pin2gpio(server.arg("p")));
    } else {
      digitalRead(pin2gpio(server.arg("p")));
    }
  }
}
void handleRes() {
  if (!preveriprijavo()) return;
  if (!server.hasArg("k") || server.arg("k") == NULL) {
    server.send(400, "text/html", fihr(400, "obvezni argument: k(aj), vrednost je lahko: availheap"));
    return;
  }
  server.send(200, "text/plain", String(ESP.getFreeHeap()));
}
void handleSetAP() {
  if (!preveriprijavo()) return;
  if (!server.hasArg("s") || server.arg("s") == NULL) {
    server.send(400, "text/html", fihr(400, "obvezni argument: s(sid) ter neobvezni: p(ass), c(hannel), h(idden-bool) in m(AC address npr. EEFABC286787 APja)"));
    return;
  }
  WiFi.softAPdisconnect(true);
  if(server.hasArg("m") && server.arg("m") != NULL) {
    long unsigned int mac; uint8_t macar[6];
    mac = strtoul(server.arg("m").c_str(), NULL, 16);
    memcpy(macar, (char*)&mac, 6);
    wifi_set_macaddr(STATION_IF, macar);
  }
  if (server.hasArg("h") && server.arg("h") != NULL) {
    writefile("/403/hostname.txt", String(server.arg("h")));
  }
  writefile("/403/wifi-ap.txt", String(server.arg("s"))+","+String(server.arg("p"))+","+String(server.arg("c"))+","+String(readfile("/403/hostname.txt")));
  WiFi.softAP(server.arg("s").c_str(), server.arg("p").c_str(), server.arg("c").toInt(), readfile("/403/hostname.txt").toInt());
  server.send(200, "text/html", fihr(200, "AP nastavljena"));
}
void handleSetSTA() {
  if (!preveriprijavo()) return;
  if (!server.hasArg("s") || server.arg("s") == NULL) {
    server.send(400, "text/html", fihr(400, "obvezni argument: s(sid) ter neobvezni: p(ass), h(ostname) in m(AC address npr. EEFABC286787 STAja)"));
    return;
  }
  WiFi.disconnect(true);
  if(server.hasArg("m") && server.arg("m") != NULL) {
    long unsigned int mac; uint8_t macar[6];
    mac = strtoul(server.arg("m").c_str(), NULL, 16);
    memcpy(macar, (char*)&mac, 6);
    wifi_set_macaddr(SOFTAP_IF, macar);
  }
  if (server.hasArg("h") && server.arg("h") != NULL) writefile("/403/hostname.txt", String(server.arg("h")));
  WiFi.hostname(readfile("/403/hostname.txt").c_str());
  WiFi.begin(server.arg("s").c_str(), server.arg("p").c_str());
  server.send(200, "text/html", fihr(200, "STA nastavljena"));
}
void handleGetID() {
  if (!preveriprijavo()) return;
  if (!server.hasArg("k") || server.arg("k") == NULL) {
    server.send(400, "text/html", fihr(400, "obvezni argument: k(aj s(ta MAC)/a(p MAC)/i(p)/c(hipId)/h(ostname)). prebere ID, za pisanje MACa glejte /api/sta in /api/ap"));
    return;
  }
  if(server.arg("k").startsWith("s")) {
    server.send(200, "text/plain", String(WiFi.macAddress()));
  } else if (server.arg("k").startsWith("a")) {
    server.send(200, "text/plain", String(WiFi.softAPmacAddress()));
  } else if (server.arg("k").startsWith("i")) {
    server.send(200, "text/plain", WiFi.localIP().toString());
  } else if (server.arg("k").startsWith("c")) {
    server.send(200, "text/plain", String(ESP.getChipId()));
  } else {
    server.send(200, "text/plain", String(readfile("/403/hostname.txt")));
  }
}
void handlePWM() {
  if (!preveriprijavo()) return;
  if (server.hasArg("v") && server.arg("v") != NULL) {
    writefile("/403/pwmfreq.txt", String(server.arg("v")));
    analogWriteFreq(String(server.arg("v")).toInt());
    server.send(200, "text/html", fihr(200, "PWM nastavljena"));
  } else {
    server.send(400, "text/html", fihr(400, "obvezni argument: v(rednost v Hz)"));
  }
}
void handleRestart() {
  if (!preveriprijavo()) return;
  ESP.restart();
}
void handleDeepSleep() {
  if (!preveriprijavo()) return;
  if (!server.hasArg("m") || server.arg("m") == NULL) {
    server.send(400, "text/html", fihr(400, "obvezni argument: m(ikrosekund)"));
    return;
  }
  ESP.deepSleep(String(server.arg("m")).toInt());
}
void handleUpdate() {
  if (!preveriprijavo()) return;
  int vraat;
  if (!server.hasArg("g") || server.arg("g") == NULL || !server.hasArg("p") || server.arg("p") == NULL) {
    server.send(400, "text/html", fihr(400, "obvezna argumenta: g(ostiteljev IP) in p(ot /do/datoteke.bin), neobvezen: v(rata HTTP (privzeta 80))"));
    return;
  }
  if(String(server.arg("v")).toInt() > 0 && String(server.arg("v")).toInt() < 65536) {
    vraat = String(server.arg("v")).toInt();
  } else {
    vraat = 80;
  }
  t_httpUpdate_return ret = ESPhttpUpdate.update(server.arg("g"), vraat, server.arg("p"), String(verzija[0])+"."+String(verzija[1])+"."+String(verzija[2]));
  switch(ret) {
      case HTTP_UPDATE_FAILED:
          server.send(500, "text/html", fihr(500, "Sistemska napaka: programska posodobitev: ni uspela"));
          break;
      case HTTP_UPDATE_NO_UPDATES:
          server.send(304, "text/html", fihr(304, "Nespremenjeno: programska posodobitev: ni potrebna, verjetno ni nove verzije"));
          break;
      case HTTP_UPDATE_OK:
          server.send(200, "text/html", fihr(200, "OK: programska posodobitev: uspela, po ponovnem zagonu se bo uporabila"));
          break;
  }
}
void handleUnixTimestamp() {
  if (!preveriprijavo()) return;
  server.send(200, "text/plain", String(now()));
}
void handleNewPassword() {
  if (!preveriprijavo()) return;
  if (!server.hasArg("g") || server.arg("g") == NULL) {
    server.send(400, "text/html", fihr(400, "obvezen argument: g(eslo-novo)"));
    return;
  }
  writefile("/403/webgeslo.txt", String(server.arg("g")));
}
void handleFileUpload() {
  if (!preveriprijavo()) return;
  HTTPUpload& upload = server.upload();
  if(upload.status == UPLOAD_FILE_START){
    String filename = upload.filename;
    if(!filename.startsWith("/")) filename = "/"+filename;
    if (razhroscevanje) Serial.print("(razhroscevanje) -> handleFileUpload Name: "); Serial.println(filename);
    fsUploadFile = SPIFFS.open(filename, "w");            // Open the file for writing in SPIFFS (create if it doesn't exist)
    filename = String();
  } else if(upload.status == UPLOAD_FILE_WRITE){
    if(fsUploadFile)
      fsUploadFile.write(upload.buf, upload.currentSize); // Write the received bytes to the file
  } else if(upload.status == UPLOAD_FILE_END){
    if(fsUploadFile) {                                    // If the file was successfully created
      fsUploadFile.close();                               // Close the file again
      Serial.print("handleFileUpload Size: "); Serial.println(upload.totalSize);
      server.send(200, "text/html", fihr(200, "prenos uspel"));
    } else {
      server.send(500, "text/html", fihr(500, "izdelava datoteke ni uspela"));
    }
  }
}
bool handleFileRead(String path) { // send the right file to the client (if it exists)
  if (!preveriprijavo()) return false;
  // Serial.println("handleFileRead: " + path); // 2hc
  if (path.endsWith("/")) path += "index.html";         // If a folder is requested, send the index file
  if(path.indexOf("/403/") >= 0) {
    server.send(403, "text/html", fihr(403, "prepovedano"));
    return true;
  }
  String contentType = getContentType(path);            // Get the MIME type
  if (SPIFFS.exists(path)) {                            // If the file exists
    File file = SPIFFS.open(path, "r");                 // Open it
    size_t sent = server.streamFile(file, contentType); // And send it to the client
    file.close();                                       // Then close the file again
    return true;
  }
  return false;                                         // If the file doesn't exist, return false
}