/*]  Copyright (c) 2009-2010, Charles McGarvey  [**************************
**]  All rights reserved.
*
* vi:ts=4 sw=4 tw=75
*
* Distributable under the terms and conditions of the 2-clause BSD license;
* see the file COPYING for a complete text of the license.
*
**************************************************************************/

#include <cstdlib>		// getenv

#include "log.hh"
#include "settings.hh"


namespace moof {


settings::settings(int argc, char* argv[], const std::string& path)
{
	script_.import_base_library();
	log::import(script_);

	parse_args(argc, argv);
	load_files(path);
}

settings::~settings()
{
	save();
}


void settings::parse_args(int argc, char* argv[])
{
	for (int i = 1; i < argc; ++i)
	{
		if (script_.do_string(argv[i]) != script::success)
		{
			std::string str;
			script_[-1].get(str);
			log_warning << "invalid option: " << argv[i]
					   << ": " << str << std::endl;
			script_.clear_stack();
		}
	}
}


void settings::load_files(const std::string& path)
{
	std::vector<std::string> paths;
	boost::split(paths, path, boost::is_any_of(":"));

	load_files(paths);
}

void settings::load_files(const std::vector<std::string>& path)
{
	std::vector<std::string> copy(path);
	std::vector<std::string>::iterator it;

#if defined(_WIN32)
	char* homeDrive = getenv("HOMEDRIVE");
	char* homePath = getenv("HOMEPATH");
	std::string home(homeDrive ? homeDrive : "");
	if (homePath) home += homePath;
#else
	char *homePath = getenv("HOME");
	std::string home(homePath ? homePath : "");
#endif

	for (it = copy.begin(); it != copy.end(); ++it)
	{
		if (!home.empty())
		{
			boost::replace_all(*it, "$HOME", home);

			//logDebug("Copying global settings...");
			//mUserFile = *it;
			//mGlobals.push_copy();
			//script_.set("globals", script::registry_index);
		}

		if (script_.do_file(*it) != script::success)
		{
			std::string str;
			script_[-1].get(str);
			log_warning(str);
			script_.clear_stack();
		}
	}
}


void settings::clear()
{
	script_.reset();
}


void settings::save_as(const std::string& path)
{
	mUserFile = path;
	save();
}

void settings::save() const
{
	// TODO saving settings not yet implemented
}


} // namepsace moof