/**  --------------------------------------------------------------------
 *  @file pendingupdates.h
 *  @brief  <--->
 *  @author Andreas Aardal Hanssen
 *  @date 2002-2005
 *  -----------------------------------------------------------------  **/
#include <map>
#include <vector>

#ifndef pendingupdates_h_included
#define pendingupdates_h_included

namespace Binc {
  class Mailbox;

  //------------------------------------------------------------------------
  class PendingUpdates {
  public:
    enum {
      EXPUNGE = 0x01,
      FLAGS   = 0x02,
      EXISTS  = 0x04,
      RECENT  = 0x08
    };

    //----------------------------------------------------------------------
    class expunged_const_iterator {
    private:
      std::vector<unsigned int>::iterator internal;

    public:
      unsigned int operator * (void) const;
      void operator ++ (void);
      bool operator != (expunged_const_iterator) const;
      bool operator == (expunged_const_iterator) const;

      //--
      expunged_const_iterator(void);
      expunged_const_iterator(std::vector<unsigned int>::iterator i);
    };

    //--
    expunged_const_iterator beginExpunged(void);
    expunged_const_iterator endExpunged(void);

    //----------------------------------------------------------------------
    class flagupdates_const_iterator {
    private:
      std::map<unsigned int, unsigned int>::iterator internal;
      std::map<unsigned int, unsigned int> *sqnrtouid;
      std::map<unsigned int, std::vector<std::string> > *sqnrtocflags;

    public:
      unsigned int first(void) const;
      unsigned int second(void) const;
      std::vector<std::string> getCustomFlags(void) const;
      unsigned int getUID(void) const;

      void operator ++ (void);
      bool operator != (flagupdates_const_iterator) const;

      //--
      flagupdates_const_iterator(void);
      flagupdates_const_iterator(std::map<unsigned int, unsigned int>::iterator i,
                                 std::map<unsigned int, std::vector<std::string> > *,
                                 std::map<unsigned int, unsigned int> *);
    };

    //--
    flagupdates_const_iterator beginFlagUpdates(void);
    flagupdates_const_iterator endFlagUpdates(void);

    //--
    void addExpunged(unsigned int uid);
    void addFlagUpdates(unsigned int sqnr, unsigned int uid, 
                        unsigned int flags, 
                        const std::vector<std::string> &cflags);
    void setExists(unsigned int n);
    void setRecent(unsigned int n);
    unsigned int getExists(void) const;
    unsigned int getRecent(void) const;
    bool newExists(void) const;
    bool newRecent(void) const;

    //--
    PendingUpdates(void);
    ~PendingUpdates(void);

  private:
    std::vector<unsigned int> expunges;
    std::map<unsigned int, unsigned int> flagupdates;
    std::map<unsigned int, unsigned int> sqnrtouid;
    std::map<unsigned int, std::vector<std::string> > sqnrtocflags;

    unsigned int exists;
    unsigned int recent;
    bool newexists;
    bool newrecent;
  };

  bool pendingUpdates(Mailbox *, int type, bool rescan,
                      bool showAll = false, 
                      bool forceScan = false, 
                      bool uidfetchflags = false);
}

#endif