//
// 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.
//

#include "vmime/config.hpp"


#if VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_POP3


#include "vmime/net/pop3/POP3Store.hpp"
#include "vmime/net/pop3/POP3Folder.hpp"
#include "vmime/net/pop3/POP3Command.hpp"
#include "vmime/net/pop3/POP3Response.hpp"

#include "vmime/exception.hpp"

#include <algorithm>


namespace vmime {
namespace net {
namespace pop3 {


POP3Store::POP3Store(
	const shared_ptr <session>& sess,
	const shared_ptr <security::authenticator>& auth,
	const bool secured
)
	: store(sess, getInfosInstance(), auth),
	m_isPOP3S(secured) {

}


POP3Store::~POP3Store() {

	try {

		if (isConnected()) {
			disconnect();
		}

	} catch (...) {

		// Don't throw in destructor
	}
}


const string POP3Store::getProtocolName() const {

	return "pop3";
}


shared_ptr <folder> POP3Store::getDefaultFolder() {

	if (!isConnected()) {
		throw exceptions::illegal_state("Not connected");
	}

	return shared_ptr <POP3Folder>(
		new POP3Folder(
			folder::path(folder::path::component("INBOX")),
			dynamicCast <POP3Store>(shared_from_this())
		)
	);
}


shared_ptr <folder> POP3Store::getRootFolder() {

	if (!isConnected()) {
		throw exceptions::illegal_state("Not connected");
	}

	return shared_ptr <POP3Folder>(
		new POP3Folder(
			folder::path(),
			dynamicCast <POP3Store>(shared_from_this())
		)
	);
}


shared_ptr <folder> POP3Store::getFolder(const folder::path& path) {

	if (!isConnected()) {
		throw exceptions::illegal_state("Not connected");
	}

	return shared_ptr <POP3Folder>(
		new POP3Folder(
			path,
			dynamicCast <POP3Store>(shared_from_this())
		)
	);
}


bool POP3Store::isValidFolderName(const folder::path::component& /* name */) const {

	return true;
}


void POP3Store::connect() {

	if (isConnected()) {
		throw exceptions::already_connected();
	}

	m_connection = make_shared <POP3Connection>(
		dynamicCast <POP3Store>(shared_from_this()), getAuthenticator()
	);

	m_connection->connect();
}


bool POP3Store::isPOP3S() const {

	return m_isPOP3S;
}


bool POP3Store::isConnected() const {

	return m_connection && m_connection->isConnected();
}


bool POP3Store::isSecuredConnection() const {

	if (!m_connection) {
		return false;
	}

	return m_connection->isSecuredConnection();
}


shared_ptr <connectionInfos> POP3Store::getConnectionInfos() const {

	if (!m_connection) {
		return null;
	}

	return m_connection->getConnectionInfos();
}


shared_ptr <POP3Connection> POP3Store::getConnection() {

	return m_connection;
}


void POP3Store::disconnect() {

	if (!isConnected()) {
		throw exceptions::not_connected();
	}

	for (std::list <POP3Folder*>::iterator it = m_folders.begin() ;
	     it != m_folders.end() ; ++it) {

		(*it)->onStoreDisconnected();
	}

	m_folders.clear();


	m_connection->disconnect();
	m_connection = null;
}


void POP3Store::noop() {

	if (!m_connection) {
		throw exceptions::not_connected();
	}

	POP3Command::NOOP()->send(m_connection);

	shared_ptr <POP3Response> response = POP3Response::readResponse(m_connection);

	if (!response->isSuccess()) {
		throw exceptions::command_error("NOOP", response->getFirstLine());
	}
}


void POP3Store::registerFolder(POP3Folder* folder) {

	m_folders.push_back(folder);
}


void POP3Store::unregisterFolder(POP3Folder* folder) {

	std::list <POP3Folder*>::iterator it = std::find(m_folders.begin(), m_folders.end(), folder);

	if (it != m_folders.end()) {
		m_folders.erase(it);
	}
}


int POP3Store::getCapabilities() const {

	return CAPABILITY_DELETE_MESSAGE;
}



// Service infos

POP3ServiceInfos POP3Store::sm_infos(false);


const serviceInfos& POP3Store::getInfosInstance() {

	return sm_infos;
}


const serviceInfos& POP3Store::getInfos() const {

	return sm_infos;
}


} // pop3
} // net
} // vmime


#endif // VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_POP3