/**
 *  @file imapparser.h
 *  @brief  Declaration of the common items for parsing IMAP input
 *  @author Andreas Aardal Hanssen
 *  @date 2002-2005
 */

#ifndef imapparser_h_included
#define imapparser_h_included

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

namespace Binc {
  class SequenceSet {
  public:
    void addRange(unsigned int a_in, unsigned int b_in);
    bool isInSet(unsigned int n) const;
    void addNumber(unsigned int a_in);

    inline bool isLimited() const
    {
      return limited;
    }

    static SequenceSet &all();

    static SequenceSet &null();

    SequenceSet();
    SequenceSet(const SequenceSet &copy);
    SequenceSet &operator=(const SequenceSet &copy);
    ~SequenceSet();

  protected:
    bool isNull() const;

  private:
    bool limited;
    bool nullSet;

    class Range {
    public:
      unsigned int from;
      unsigned int to;
      Range(unsigned int from, unsigned int to);
    };

    std::vector<Range> internal;
  };

  class BincImapParserFetchAtt {
  public:
    std::string type;
    std::string section;
    std::string sectiontext;
    std::vector<std::string> headerlist;
    unsigned int offsetstart;
    unsigned int offsetlength;
    bool hassection;

    BincImapParserFetchAtt(const std::string &typeName = "");

    std::string toString();
  };

  struct BincImapParserSearchKey {
    std::string name;
    std::string date;
    std::string astring;
    std::string bstring;
    int type;
    unsigned int number;
    SequenceSet bset;

    enum { KEY_AND, KEY_OR, KEY_NOT, KEY_OTHER, KEY_SET };

    std::vector<BincImapParserSearchKey> children;

    const SequenceSet &getSet() const;

    BincImapParserSearchKey();
  };

  struct BincImapParserData {
    virtual ~BincImapParserData() = default;
  };

  class Request {
    std::string tag;
    std::string name;
    std::string mode;
    std::string date;
    std::string userid;
    std::string password;
    std::string mailbox;
    std::string newmailbox;
    std::string authtype;
    std::string listmailbox;
    std::string charset;
    std::string literal;
    std::string contextInfo;
    bool uidmode;

  public:
    BincImapParserData *extra;
    std::vector<std::string> flags;
    std::vector<std::string> statuses;

    SequenceSet bset;
    BincImapParserSearchKey searchkey;
    std::vector<BincImapParserFetchAtt> fatt;

    void setUidMode();
    bool getUidMode() const;

    void setTag(std::string &t_in);
    const std::string &getTag() const;

    void setMode(const std::string &m_in);
    const std::string &getMode() const;

    void setName(const std::string &s_in);
    const std::string &getName() const;

    void setLiteral(const std::string &s_in);
    const std::string &getLiteral() const;

    void setDate(const std::string &s_in);
    const std::string &getDate() const;

    void setCharSet(const std::string &s_in);
    const std::string &getCharSet() const;

    void setUserID(const std::string &s_in);
    const std::string &getUserID() const;

    void setPassword(const std::string &s_in);
    const std::string &getPassword() const;

    void setMailbox(const std::string &s_in);
    const std::string &getMailbox() const;

    void setAuthType(const std::string &s_in);
    const std::string &getAuthType() const;

    void setNewMailbox(const std::string &s_in);
    const std::string &getNewMailbox() const;

    void setListMailbox(const std::string &s_in);
    const std::string &getListMailbox() const;

    void setContextInfo(const std::string &s_in);
    const std::string &getContextInfo() const;

    SequenceSet &getSet();

    std::vector<std::string> &getFlags();
    std::vector<std::string> &getStatuses();

    Request();
    ~Request();
  };
}

#endif