#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License,
    or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
    See the GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, see <http://www.gnu.org/licenses/>.

    @author: RaNaN

	This modules inits working directories and global variables, pydir and homedir
"""


from os import makedirs
from os import path
from os import chdir
from sys import platform
from sys import argv

import __builtin__
__builtin__.pypath = path.abspath(path.join(__file__,"..",".."))


homedir = ""

if platform == 'nt':
	homedir = path.expanduser("~")
	if homedir == "~":
		import ctypes
		CSIDL_APPDATA = 26
		_SHGetFolderPath = ctypes.windll.shell32.SHGetFolderPathW
		_SHGetFolderPath.argtypes = [ctypes.wintypes.HWND,
			                         ctypes.c_int,
			                         ctypes.wintypes.HANDLE,
			                         ctypes.wintypes.DWORD, ctypes.wintypes.LPCWSTR]
	
		path_buf = ctypes.wintypes.create_unicode_buffer(ctypes.wintypes.MAX_PATH)
		result = _SHGetFolderPath(0, CSIDL_APPDATA, 0, 0, path_buf)
		homedir = path_buf.value
else:
	homedir = path.expanduser("~")

__builtin__.homedir = homedir


args = " ".join(argv[1:])

# dirty method to set configdir from commandline arguments

if path.exists(path.join(pypath, "module", "config", "configdir")):
	f = open(path.join(pypath, "module", "config", "configdir"), "rb")
	c = f.read().strip()
	configdir = path.join(pypath, c)
               
elif "--configdir=" in args:
	pos = args.find("--configdir=")
	end = args.find("-", pos+12)
	
	if end == -1:
		configdir = args[pos+12:].strip()
	else:
		configdir = args[pos+12:end].strip()
else:
	if platform in ("posix","linux2"):
		configdir = path.join(homedir, ".pyload")
	else:
		configdir = path.join(homedir, "pyload")
		
if not path.exists(configdir):
	makedirs(configdir, 0700)

__builtin__.configdir = configdir
chdir(configdir)

#print "Using %s as working directory." % configdir