#ifndef __Global_h__
# define __Global_h__

# include "MString.h"
# include "CGIFormattedData.h"
# include "CGIFormData.h"
# include "StreamReader.h"
# include "JFile.h"
# include <map>

namespace  jet {

   class __mysql;
   class __imap;
   class Tag;

   class Global {

    public:
      Global(char **envp);
      virtual ~Global();

      void dump();
      bool sessionExists(coreutils::MString sessionId);
      void addSession(coreutils::MString sessionId, __mysql *mysql);
      void removeSession(coreutils::MString sessionId);
      __mysql * getSession(coreutils::MString sessionId);
      bool imapSessionExists(coreutils::MString sessionId);
      void addImapSession(coreutils::MString sessionId, __imap *imap);
      void removeImapSession(coreutils::MString sessionId);
      __imap * getImapSession(coreutils::MString sessionId);
      coreutils::ZString getSessionVariable(coreutils::MString &splitName);
      void outputHeaders();
      void setupFormData(coreutils::ZString &formdata);
      void setupFormURLEncoded(coreutils::ZString &formdata);
      char *errorCursor = NULL;
	
      coreutils::CGIFormattedData cookies;

      ///
      /// cgiReader backs cgiData below - it must outlive it, since
      /// CGIFormData (a Parser) only holds a reference to it, not its own
      /// copy of the request body. Declared before cgiData so it's
      /// constructed first and destroyed last (member destruction order
      /// mirrors declaration order).
      ///

      coreutils::StreamReader cgiReader;
      coreutils::CGIFormData *cgiData = NULL;

      ///
      /// sessionFile backs $[@name] (read) and <set name="@name" .../>
      /// (write) - a JSON file at sessiondir/<sessionId>.json, loaded when
      /// opened and saved automatically when destroyed (JFile/MFile's own
      /// RAII behavior - see MFile.cpp). NULL unless cgi mode and the
      /// sessiondir keyword are both active for this request.
      ///

      coreutils::JFile *sessionFile = NULL;
      std::map<coreutils::MString, coreutils::MString> variables;
      std::map<coreutils::MString, __mysql *> sessions;
      std::map<coreutils::MString, coreutils::MString> headers;
      std::map<coreutils::MString, coreutils::MString> tags;

      // Populated once per compiled .jtc module's own entry function (see
      // jetc's TAGDEF codegen) - a top-level <tag name="X"> definition
      // that jetc could compile directly registers its own render
      // function here under its lowercase name, same key convention as
      // `tags` above. __dotag checks this first before falling back to
      // the text-based findTagDefinition()/processContainer() path (see
      // __dotag.cpp), avoiding a full re-parse of the definition's body
      // on every invocation. A miss here (a locally-scoped/nested tag
      // definition, or content that was never compiled at all) is always
      // safe - it just means the existing interpreted path runs exactly
      // as it always has; this is a pure additive fast path, never a
      // replacement for `tags`, which every TAGDEF still populates too.
      std::map<coreutils::MString, void(*)(Tag&, coreutils::MString&)> compiledTags;

      char **envp;
      bool cgi = false;
      bool session = false;
      coreutils::MString sessionId;

      // Deliberately the LAST member declared in Global - appended
      // here, after every pre-existing field, rather than inserted
      // earlier among them, so this addition does not shift the
      // memory offset of any field that existed before it. See
      // __imap.h for what registers here.
      std::map<coreutils::MString, __imap *> imapSessions;
      
   };

}

#endif