// Spectre Samba Mounter
//
// Douglas Thrift
//
// $Id: Configurator.cpp,v 1.8 2003/07/31 00:56:29 douglas Exp $

#include "Configurator.h"

Configurator::Configurator(const string& host)
{
	this->host = host;

	good = configurate();
}

string Configurator::password(const string& user)
{
	string password;

	for (unsigned index = 0; index < passwd.size(); index++)
	{
		switch (passwd[index])
		{
		case file:
			{
				string file = config.install + "/conf/private/" + host + "."
					+ user;
				ifstream fin(file.c_str());

				if (fin.is_open())
				{
					getline(fin, password);
				}
			}
			break;
		case prompt:
			{
				string prompt = user + "@" + host + "\'s password:";
				password = getpass(prompt.c_str());
			}
			break;
		default:
			//
			break;
		}

		if (password == "")
		{
			continue;
		}
		else
		{
			break;
		}
	}

	return password;
}

bool Configurator::configurate()
{
	if (config.hosts.count(host) < 2)
	{
		cerr << program << ": " << host << ": No configuration\n";
		return false;
	}

	for (multimap<string, string>::iterator itor =
		config.hosts.lower_bound(host); itor != config.hosts.upper_bound(host);
		itor++)
	{
		string entry = itor->second;
		
		if (entry.find("passwd=") == 0)
		{
			istringstream sin(entry.substr(7));

			do
			{
				string item;
				getline(sin, item, ',');

				if (item == "file")
				{
					passwd.push_back(file);
				}
				else if (item == "prompt")
				{
					passwd.push_back(prompt);
				}
			}
			while (sin.good());
		}
		else if (entry.find("folder=") == 0)
		{
			istringstream sin(entry.substr(7));

			string folder;
			getline(sin, folder, ':');

			string local;
			getline(sin, local, ':');

			string remote;
			getline(sin, remote);

			if (folder == "*")
			{
				regular.local = local;
				regular.remote = remote;
			}
			else
			{
				Folder special;
				
				special.local = local;
				special.remote = remote;

				folders.insert(pair<string, Folder>(folder, special));
			}
		}
		else
		{
			cerr << program << ": " << entry << ": Unknown configuration\n";
		}
	}

	if (passwd.size() == 0)
	{
		cerr << program << ": " << host << ": No passwd configuration\n";
		return false;
	}

	if (regular.local == "" || regular.remote == "")
	{
		cerr << program << ": " << host << ": No * folder configuration\n";
		return false;
	}

	if (debug)
	{
		cerr << "host = " << host << "\n"
			<< "passwd = {\n";

		for (unsigned index = 0; index < passwd.size(); index++)
		{
			cerr << "   [" << index << "] = ";

			switch (passwd[index])
			{
			case file:
				cerr << "file";
				break;
			case prompt:
				cerr << "prompt";
				break;
			default:
				cerr << passwd[index];
				break;
			}

			cerr << "\n";
		}

		cerr << "}\n"
			<< "regular = {\n"
			<< "   local = " << regular.local << "\n"
			<< "   remote = " << regular.remote << "\n"
			<< "}\n"
			<< "folders = {\n";

		for (map<string, Folder>::iterator itor = folders.begin(); itor !=
			folders.end(); itor++)
		{
			cerr << "   " << itor->first << " = {\n"
				<< "      local = " << itor->second.local << "\n"
				<< "      remote = " << itor->second.remote << "\n"
				<< "   }\n";
		}

		cerr << "}\n";
	}

	return true;
}