/*
   fs/file.cc
   This file is part of the Osirion project and is distributed under
   the terms of the GNU General Public License version 2
*/

// project headers
#include "sys/sys.h"
#include "filesystem/filesystem.h"

namespace filesystem {

File::File() {}

File::~File() {}

void File::open(const char * filename, ios_base::openmode mode) {
	file_name.assign(filename);
	std::string fn;
	
	real_name.clear();

	// if moddir is set, try the mods subdir first
	if (moddir.size()) {
		// try homedir + moddir
		fn = homedir;
		fn.append(moddir);
		fn.append(filename);
		std::ifstream::open(fn.c_str(), mode);
		if (this->is_open()) {
			real_name = fn;
			con_debug << "File opened " << fn << std::endl;
			return;
		}

		// try datadir + moddir
		fn = datadir;
		fn.append(moddir);
		std::ifstream::open(fn.c_str(), mode);
		if (this->is_open()) {
			con_debug << "File opened " << fn << std::endl;
			real_name = fn;
			return;
		}
	}

	// try homedir + basedir
	fn = homedir;
	fn.append(basedir);
	fn.append(filename);
	std::ifstream::open(fn.c_str(), mode);
	if (this->is_open()) {
		con_debug << "File opened " << fn << std::endl;
		real_name = fn;
		return;
	}

	// try datadir + basedir
	fn = datadir;
	fn.append(basedir);
	fn.append(filename);
	std::ifstream::open(fn.c_str(), mode);

	if (!this->is_open()) {
		con_warn << "Could not open " << filename << std::endl;
	} else {
		con_debug << "File opened " << fn << std::endl;
		real_name = fn;
	}
}

} // namespace common