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

#ifndef pendingupdates_h_included
#define pendingupdates_h_included

#include <map>
#include <string>
#include <vector>

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