//
// VMime library (http://www.vmime.org)
// Copyright (C) 2002 Vincent Richard <vincent@vmime.org>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 3 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library.  Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//

#ifndef VMIME_NET_MAILDIR_MAILDIRFOLDER_HPP_INCLUDED
#define VMIME_NET_MAILDIR_MAILDIRFOLDER_HPP_INCLUDED


#include "vmime/config.hpp"


#if VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_MAILDIR


#include <vector>
#include <map>

#include "vmime/types.hpp"

#include "vmime/net/folder.hpp"

#include "vmime/utility/file.hpp"


namespace vmime {
namespace net {
namespace maildir {


class maildirStore;
class maildirMessage;


/** maildir folder implementation.
  */
class VMIME_EXPORT maildirFolder : public folder {

private:

	friend class maildirStore;
	friend class maildirMessage;

	maildirFolder(const maildirFolder&) : folder() { }
	maildirFolder(const folder::path& path, const shared_ptr <maildirStore>& store);

public:

	~maildirFolder();


	int getMode() const;

	const folderAttributes getAttributes();

	const folder::path::component getName() const;
	const folder::path getFullPath() const;

	void open(const int mode, bool failIfModeIsNotAvailable = false);
	void close(const bool expunge);
	void create(const folderAttributes& attribs);

	bool exists();

	void destroy();

	bool isOpen() const;

	shared_ptr <message> getMessage(const size_t num);
	std::vector <shared_ptr <message> > getMessages(const messageSet& msgs);

	size_t getMessageCount();

	shared_ptr <folder> getFolder(const folder::path::component& name);
	std::vector <shared_ptr <folder> > getFolders(const bool recursive = false);

	void rename(const folder::path& newPath);

	void deleteMessages(const messageSet& msgs);

	void setMessageFlags(
		const messageSet& msgs,
		const int flags,
		const int mode = message::FLAG_MODE_SET
	);

	messageSet addMessage(
		const shared_ptr <vmime::message>& msg,
		const int flags = -1,
		vmime::datetime* date = NULL,
		utility::progressListener* progress = NULL
	);

	messageSet addMessage(
		utility::inputStream& is,
		const size_t size,
		const int flags = -1,
		vmime::datetime* date = NULL,
		utility::progressListener* progress = NULL
	);

	messageSet copyMessages(const folder::path& dest, const messageSet& msgs);

	void status(size_t& count, size_t& unseen);
	shared_ptr <folderStatus> getStatus();

	void expunge();

	shared_ptr <folder> getParent();

	shared_ptr <const store> getStore() const;
	shared_ptr <store> getStore();


	void fetchMessages(
		std::vector <shared_ptr <message> >& msg,
		const fetchAttributes& options,
		utility::progressListener* progress = NULL
	);

	void fetchMessage(const shared_ptr <message>& msg, const fetchAttributes& options);

	std::vector <shared_ptr <message> > getAndFetchMessages(
		const messageSet& msgs,
		const fetchAttributes& attribs
	);

	int getFetchCapabilities() const;

	std::vector <size_t> getMessageNumbersStartingOnUID(const message::uid& uid);

private:

	void scanFolder();

	void listFolders(std::vector <shared_ptr <folder> >& list, const bool recursive);

	void registerMessage(maildirMessage* msg);
	void unregisterMessage(maildirMessage* msg);

	const utility::file::path getMessageFSPath(const size_t number) const;

	void onStoreDisconnected();

	void onClose();

	void deleteMessagesImpl(const std::vector <size_t>& nums);
	void setMessageFlagsImpl(const std::vector <size_t>& nums, const int flags, const int mode);

	void copyMessagesImpl(const folder::path& dest, const std::vector <size_t>& nums);
	void copyMessageImpl(const utility::file::path& tmpDirPath, const utility::file::path& curDirPath, const utility::file::path::component& filename, utility::inputStream& is, const size_t size, utility::progressListener* progress);

	void notifyMessagesCopied(const folder::path& dest);


	weak_ptr <maildirStore> m_store;

	folder::path m_path;
	folder::path::component m_name;

	int m_mode;
	bool m_open;

	size_t m_unreadMessageCount;
	size_t m_messageCount;

	// Store information about scanned messages
	struct messageInfos {

		enum Type {
			TYPE_CUR,
			TYPE_DELETED
		};

		utility::file::path::component path;    // filename
		Type type;                              // current location
	};

	std::vector <messageInfos> m_messageInfos;

	// Instanciated message objects
	std::vector <maildirMessage*> m_messages;
};


} // maildir
} // net
} // vmime


#endif // VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_MAILDIR

#endif // VMIME_NET_MAILDIR_MAILDIRFOLDER_HPP_INCLUDED