/***************************************************************************
 * Copyright (C) 2021 by gempa GmbH                                        *
 *                                                                         *
 * All Rights Reserved.                                                    *
 *                                                                         *
 * NOTICE: All information contained herein is, and remains                *
 * the property of gempa GmbH and its suppliers, if any. The intellectual  *
 * and technical concepts contained herein are proprietary to gempa GmbH   *
 * and its suppliers.                                                      *
 * Dissemination of this information or reproduction of this material      *
 * is strictly forbidden unless prior written permission is obtained       *
 * from gempa GmbH.                                                        *
 ***************************************************************************/


#include "url.h"
#include "utils.h"

#include <boost/algorithm/string.hpp>

using namespace std;

namespace {

const string CAPS_PROTOCOL = "caps";
const string CAPS_SSL_PROTOCOL = "capss";

}

namespace Gempa {
namespace CAPS {

Url::Url()
: port(0) {}

bool Url::parse(const string &address, uint16_t defaultPort) {
	string addr = trim(address);

	// step 1: protocol
	size_t pos = addr.find("://");
	if ( pos == string::npos ) {
		protocol = CAPS_PROTOCOL;
	}
	else {
		protocol = addr.substr(0, pos);
		addr = addr.substr(pos + 3);
	}

	if ( !boost::iequals(protocol, CAPS_PROTOCOL) &&
	     !boost::iequals(protocol, CAPS_SSL_PROTOCOL) ) {
		errorString = "Unsupported protocol: %" + protocol;
		return false;
	}

	// step 2: user:pass
	vector<string> toks;
	boost::split(toks, addr, boost::is_any_of("@"), boost::token_compress_on);
	if ( toks.size() >= 2 ) {
		string login = toks[0];
		addr = toks[1];
		boost::split(toks, login, boost::is_any_of(":"), boost::token_compress_on);
		user = toks.size() > 0 ? toks[0] : "";
		password = toks.size() > 1 ? toks[1] : "";
	}

	// step 3: address
	if ( !splitAddress(host, port, addr, defaultPort) ) {
		errorString = "Wrong address format, expected "
		              "[[caps|capss]://][user:pass@]host[:port]";
		return false;
	}

	return true;
}

}
}