//
// 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/POP3Utils.hpp"
#include "vmime/net/pop3/POP3Response.hpp"

#include <sstream>


namespace vmime {
namespace net {
namespace pop3 {


// static
void POP3Utils::parseMultiListOrUidlResponse(
	const shared_ptr <POP3Response>& response,
	std::map <size_t, string>& result
) {

	std::map <size_t, string> ids;

	for (size_t i = 0, n = response->getLineCount() ; i < n ; ++i) {

		string line = response->getLineAt(i);
		string::iterator it = line.begin();

		while (it != line.end() && (*it == ' ' || *it == '\t')) {
			++it;
		}

		if (it != line.end()) {

			size_t number = 0;

			while (it != line.end() && (*it >= '0' && *it <= '9')) {
				number = (number * 10) + (*it - '0');
				++it;
			}

			while (it != line.end() && !(*it == ' ' || *it == '\t')) ++it;
			while (it != line.end() && (*it == ' ' || *it == '\t')) ++it;

			if (it != line.end()) {
				result.insert(std::map <size_t, string>::value_type(number, string(it, line.end())));
			}
		}
	}
}



class POP3MessageSetEnumerator : public messageSetEnumerator {

public:

	POP3MessageSetEnumerator(const size_t msgCount)
		: m_msgCount(msgCount) {

	}

	void enumerateNumberMessageRange(const vmime::net::numberMessageRange& range) {

		size_t last = range.getLast();

		if (last == size_t(-1)) {
			last = m_msgCount;
		}

		for (size_t i = range.getFirst() ; i <= last ; ++i) {
			list.push_back(i);
		}
	}

	void enumerateUIDMessageRange(const vmime::net::UIDMessageRange& /* range */) {

		// Not supported
	}

public:

	std::vector <size_t> list;

private:

	size_t m_msgCount;
};


// static
const std::vector <size_t> POP3Utils::messageSetToNumberList(
	const messageSet& msgs,
	const size_t msgCount
) {

	POP3MessageSetEnumerator en(msgCount);
	msgs.enumerate(en);

	return en.list;
}


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


#endif // VMIME_HAVE_MESSAGING_FEATURES && VMIME_HAVE_MESSAGING_PROTO_POP3