#ifndef LIBIP_WIRELESS_H
#define LIBIP_WIRELESS_H

#include <QObject>
#include <QMap>
#include "libip_global.h"

struct ChannelInfo {
  int chan;
  int freq;
  bool disabled;
  bool passive;
  bool radar;
  int max_txpower;

  ChannelInfo() :
  chan(0),
  freq(0),
  disabled(false),
  passive(false),
  radar(false),
  max_txpower(0)
  {
  }
};

struct BandInfo {
  int band;
  int width;
  int protocols;
  QList<ChannelInfo> channels;

  BandInfo() :
  band(0),
  width(0),
  protocols(0),
  channels()
  {
  }
};

class LIBIP_EXPORT Wireless : public QObject {
Q_OBJECT

public:
  Wireless(QString interface = QString());
  ~Wireless();

  enum Bands {
    BAND_2GHZ =  (1 << 0),
    BAND_5GHZ =  (1 << 1),
    BAND_60GHZ = (1 << 2)
  };

  enum Protocols {
    PROTOCOL_80211_A = (1 << 0),
    PROTOCOL_80211_B = (1 << 1),
    PROTOCOL_80211_G = (1 << 2),
    PROTOCOL_80211_N = (1 << 3)
  };

  enum Direction {
    Direction_RX   = (1 << 0),
    Direction_Both = (1 << 1)
  };

  enum ChannelWidth {
    WIDTH_20MHZ  = (1 << 0),
    WIDTH_40MHZ  = (1 << 1),
    WIDTH_80MHZ  = (1 << 2),
    WIDTH_160MHZ = (1 << 3)
  };

  const QString& name() const;
  const QList<BandInfo>& bandMap() const;
  QList<int> allChannels() const;
  QList<int> allowedChannels(Direction dir) const;
  QList<int> allFrequencies() const;
  QList<int> allowedFrequencies(Direction dir) const;
  static int ChanToFreq(int in_chan);
  static QString ChanToFreq(QString in_chan, QString outputFormat = QString());
  static int FreqToChan(int in_freq);
  static QString FreqToChan(QString in_freq, QString outputFormat = QString());
  bool isValid() const;
  bool isNL80211() const;
  bool channelSupported(int chan) const;
  bool frequencySupported(int freq) const;

private:
  QString m_interface;
  QList<BandInfo> m_bands;
  bool m_isValid;
  bool m_isNL80211;

  static int nl80211_freqlist_cb(struct nl_msg *msg, void *arg);
  static int nl80211_error_cb(struct sockaddr_nl *nla, struct nlmsgerr *err, void *arg);
  static int nl80211_finish_cb(struct nl_msg *msg, void *arg);
  char* nl80211_find_parent(const char *interface) const;
  void nl80211_disconnect(void *handle, struct nl_cache *cache, struct genl_family *family) const;
  int nl80211_connect(const char *interface, void **handle, struct nl_cache **cache, struct genl_family **family) const;
};

#endif // LIBIP_WIRELESS_H