#pragma once

#include "../string/String.hpp"
#include <stdio.h>

namespace sprawl
{
	namespace filesystem
	{
		char const* LineSeparator();
		char const* NullDevice();

		void Chdir(String const& path);
		String GetCwd();

		enum class RelativeTo
		{
			Beginning,
			CurrentPosition,
			End,
		};

		class File
		{
		public:
			File(FILE* file, sprawl::String const& mode)
				: m_file(file)
				, m_mode(mode)
				, m_refCount(new std::atomic<int>(1))
			{
				//
			}

			File()
				: m_file(nullptr)
				, m_mode()
				, m_refCount(nullptr)
			{
				//
			}

			File(File const& other);

			void operator=(File const& other);

			~File();

			void Close();
			void Sync();
			void Flush();
			int FileNo();
			bool IsATTY();

			String Read(int numBytes = -1);
			String ReadLine(int numBytes = -1);

			void Seek(int offset, RelativeTo relativeTo);
			int Tell();

			void Truncate(int size = -1);

			void Write(String const& str);

			bool IsClosed();
			String const& Mode();

			int FileSize();
		private:
			FILE* m_file;
			String m_mode;
			std::atomic<int>* m_refCount;
		};

		File Open(String const& path, char const* const mode);

		/// @todo:
		bool Mkdir(String const& path, int mode);
		bool MakeDirs(String const& path, int mode);
		bool Remove(String const& path);
		bool RemoveDirs(String const& path);
		bool Rename(String const& path, String const& newName);
		bool Renames(String const& path, String const& newName);
		bool RmDir(String const& path);
		bool RmTree(String const& path);
		String TempName(String const& dir = "", String const& path = "");

		/// @todo - access(), chmod(), chflags(), stat()
		/// @todo - environment variables, getpid, umask, listdir, lstat, readlink

	}
}