/* 
 * File:   MP7PacketReader.h
 * Author: ale
 *
 * Created on August 22, 2014, 6:26 PM
 */

#ifndef EventFilter_L1TRawToDigi_MP7PacketReader_h
#define EventFilter_L1TRawToDigi_MP7PacketReader_h

#include "EventFilter/L1TRawToDigi/interface/MP7FileReader.h"

typedef std::pair<uint32_t, uint32_t> PacketRange;

class Packet {
public:
  typedef std::map<uint32_t, std::vector<uint32_t> > LinkMap;

  size_t size() const { return last_ - first_ + 1; }
  uint32_t first_;
  uint32_t last_;
  LinkMap links_;
};

class PacketData {
public:
  const std::string& name() const { return name_; }

  typedef std::vector<Packet>::const_iterator const_iterator;

  const_iterator begin() const { return packets_.begin(); }

  const_iterator end() const { return packets_.end(); }

  size_t size() const { return packets_.size(); }

private:
  std::string name_;
  std::vector<Packet> packets_;

  friend class MP7PacketReader;
};

class MP7PacketReader {
public:
  typedef std::vector<PacketData>::const_iterator const_iterator;

  MP7PacketReader(const std::string& path, uint32_t striphdr = 0, uint32_t stripftr = 0, uint32_t ikey = 0);

  //    MP7PacketReader( MP7FileReader rdr, uint32_t striphdr = 0, uint32_t stripftr = 0);

  virtual ~MP7PacketReader();

  bool valid() const { return reader_.valid(); }

  const PacketData& get(size_t i) { return buffers_.at(i); }

  const_iterator begin() const { return buffers_.begin(); }

  const_iterator end() const { return buffers_.end(); }

  size_t size() const { return buffers_.size(); }

private:
  void load();
  static std::vector<PacketRange> findPackets(std::vector<uint64_t> data);

  std::vector<PacketData> buffers_;
  MP7FileReader reader_;
  uint32_t header_;
  uint32_t footer_;
  uint32_t ikey_;
};

#endif /* TMTREADER_H */