/*
 * Copyright (C)2005-2019 Haxe Foundation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 * DEALINGS IN THE SOFTWARE.
 */

package lua.lib.luv.fs;

import lua.lib.luv.fs.Open;
import lua.Result;

@:luaRequire("luv")
extern class FileSystem {
	@:native("fs_close")
	@:overload(function(file:FileDescriptor, cb:String->Bool->Void):Request {})
	static function close(file:FileDescriptor):Result<Bool>;

	@:native("fs_open")
	@:overload(function(path:String, flags:Open, mode:Int, ?cb:String->FileDescriptor->Void):Request {})
	static function open(path:String, flags:Open, mode:Int):Result<FileDescriptor>;

	@:native("fs_read")
	@:overload(function(file:FileDescriptor, len:Int, offset:Int, ?cb:String->String->Void):Request {})
	static function read(file:FileDescriptor, len:Int, offset:Int):Result<String>;

	@:native("fs_unlink")
	@:overload(function(file:FileDescriptor, ?cb:String->String->Void):Request {})
	static function unlink(file:FileDescriptor, content:String):Result<String>;

	@:native("fs_write")
	@:overload(function(file:FileDescriptor, content:String, offset:Int, ?cb:String->Bool->Void):Int {})
	static function write(file:FileDescriptor, content:String, offset:Int):Result<Bool>;

	@:native("fs_mkdir")
	@:overload(function(path:String, mode:Int, cb:String->Bool->Void):Request {})
	static function mkdir(path:String, mode:Int):Result<Bool>;

	@:native("fs_mkdtemp")
	@:overload(function(data:String, cb:String->Bool->Void):Request {})
	static function mkdtemp(data:String):Result<Bool>;

	@:native("fs_rmdir")
	@:overload(function(path:String, cb:String->Bool->Void):Request {})
	static function rmdir(path:String):Result<Int>;

	@:native("fs_scandir")
	@:overload(function(path:String, cb:String->Bool->Void):Request {})
	static function scandir(path:String):ScanDirMarker;

	@:native("fs_scandir_next")
	static function scandir_next(scandir:ScanDirMarker):ScandirNext;

	@:native("fs_stat")
	@:overload(function(path:String, cb:String->Stat->Void):Request {})
	static function stat(path:String):Result<Stat>;

	@:native("fs_fstat")
	@:overload(function(descriptor:FileDescriptor, cb:String->Stat->Void):Request {})
	static function fstat(descriptor:FileDescriptor):Result<Stat>;

	@:native("fs_lstat")
	@:overload(function(path:String, cb:String->Stat->Void):Request {})
	static function lstat(path:String):Result<Stat>;

	@:native("fs_rename")
	@:overload(function(path:String, newpath:String, cb:String->Bool->Void):Request {})
	static function rename(path:String, newpath:String):Result<Bool>;

	@:native("fs_fsync")
	@:overload(function(descriptor:FileDescriptor, cb:String->Bool->Void):Request {})
	static function fsync(descriptor:FileDescriptor):Result<Bool>;

	@:native("fs_fdatasync")
	@:overload(function(descriptor:FileDescriptor, cb:String->Bool->Void):Request {})
	static function fdatasync(descriptor:FileDescriptor):Result<Bool>;

	@:native("fs_ftruncate")
	@:overload(function(descriptor:FileDescriptor, offset:Int, cb:String->Bool->Void):Request {})
	static function ftruncate(descriptor:FileDescriptor, offset:Int):Result<Bool>;

	@:native("fs_sendfile")
	@:overload(function(fin:FileDescriptor, fout:FileDescriptor, cb:String->Int->Void):Request {})
	static function sendfile(fin:FileDescriptor, fout:FileDescriptor):Result<Int>;

	@:native("fs_access")
	@:overload(function(path:String, mode:Int, cb:String->Bool->Void):Request {})
	static function access(path:String, mode:Int):Result<Bool>;

	@:native("fs_chmod")
	@:overload(function(path:String, mode:Int, cb:String->Bool->Void):Request {})
	static function chmod(path:String, mode:Int):Result<Bool>;

	@:native("fs_fchmod")
	@:overload(function(descriptor:FileDescriptor, mode:Int, cb:String->Bool->Void):Request {})
	static function fchmod(descriptor:FileDescriptor, mode:Int):Result<Bool>;

	@:native("fs_futime")
	@:overload(function(descriptor:FileDescriptor, actime:Int, modtime:Int, cb:String->Bool->Void):Request {})
	static function futime(descriptor:FileDescriptor, actime:Int, modtime:Int):Result<Bool>;

	@:native("fs_utime")
	@:overload(function(path:String, actime:Int, modtime:Int, cb:String->Bool->Void):Request {})
	static function utime(path:String, actime:Int, modtime:Int):Result<Bool>;

	@:native("fs_link")
	@:overload(function(oldpath:String, newpath:String, cb:String->Bool->Void):Request {})
	static function link(oldpath:String, newpath:String):Result<Bool>;

	@:native("fs_symlink")
	@:overload(function(oldpath:String, newpath:String, flags:Int, cb:String->Bool->Void):Request {})
	static function symlink(oldpath:String, newpath:String, flags:Int):Bool;

	@:native("fs_readlink")
	@:overload(function(path : String, cb : String->String->Void) : Request {})
	static function readlink(path : String) : String;

	@:native("fs_realpath")
	@:overload(function(path:String, cb:String->String->Void):Request {})
	static function realpath(path:String):String;

	@:native("fs_chown")
	@:overload(function(path:String, uid:Int, gid:Int, cb:String->Bool->Void):Request {})
	static function chown(path:String, uid:Int, gid:Int):Bool;

	@:native("fs_fchown")
	@:overload(function(descriptor:FileDescriptor, uid:Int, gid:Int, cb:String->Bool->Void):Request {})
	static function fchown(descriptor:FileDescriptor, uid:Int, gid:Int):Bool;

    /**
      Not available on windows
    **/
	@:native("fs_lchown")
	@:overload(function(descriptor:FileDescriptor, uid:Int, gid:Int, cb:String->Bool->Void):Request {})
	static function lchown(descriptor:FileDescriptor, uid:Int, gid:Int):Bool;

    @:native("fs_statfs")
    @:overload(function(path:String, cb:StatFs->Bool->Void):Request{})
    static function statfs(path:String):StatFs;

    @:native("fs_opendir")
    @:overload(function(path:String, cb:Handle->Bool->Void):Request{})
    static function opendir(path : String) : Handle;

    @:native("fs_readdir")
    @:overload(function(dir:Handle, cb:Table<Int,NameType>->Bool->Void):Request{})
    static function readdir(path : String) : Table<Int,NameType>;

    @:native("fs_closedir")
    @:overload(function(dir:Handle, cb:Bool->Void):Request{})
    static function closedir(dir:Handle):Bool;
}

extern class ScanDirMarker {}

@:multiReturn
extern class ScandirNext {
	var name : String;
	var type : String;
}

typedef NameType = {
    name : String,
    type : String
}

typedef Stat = {
	ino       : Int,
	ctime     : TimeStamp,
	uid       : Int,
	dev       : Int,
	nlink     : Int,
	mode      : Int,
	size      : Int,
	birthtime : TimeStamp,
	gid       : Int,
	type      : String,
	rdev      : Int,
	gen       : Int,
	blocks    : Int,
	mtime     : TimeStamp,
	atime     : TimeStamp,
	blksize   : Int,
	flags     : Int
}

typedef TimeStamp = {
	sec  : Int,
	nsec : Int
}

typedef StatFs = {
    type   : Int,
    bsize  : Int,
    blocks : Int,
    bfree  : Int,
    bavail : Int,
    files  : Int,
    ffree  : Int
}