#! /usr/bin/env python
# (c) Copyright 2009-2015. CodeWeavers, Inc.

import os

# Portable which(1) implementation
def which(path, app):
    """Looks for an executable in the specified directory list.

    path is an os.pathsep-separated list of directories and app is the
    executable name. If app contains a path separator then path is ignored.
    If the file is not found, then None is returned.
    """
    if os.path.isabs(app):
        if os.path.isfile(app) and os.access(app, os.X_OK):
            return app
    elif os.sep in app or (os.altsep and os.altsep in app):
        app_path = os.path.join(os.getcwd(), app)
        if os.path.isfile(app_path) and os.access(app_path, os.X_OK):
            return app_path
    else:
        for directory in path.split(os.pathsep):
            if directory == "":
                continue
            app_path = os.path.join(directory, app)
            if os.path.isfile(app_path) and os.access(app_path, os.X_OK):
                return app_path
    return None
import sys
def locate_cx_root():
    """Locate where CrossOver is installed.

    We start by locating our own python script file and walking back up the
    path, traversing symbolic links on the way. Then we verify what we have
    found the right directory by checking for the presence of the cxmenu
    script.
    """
    # pylint: disable=I0011,W0601,W0603
    global CX_ROOT
    if "CX_DEVELOP_ROOT" in os.environ:
        CX_ROOT = os.environ["CX_DEVELOP_ROOT"]
        return

    # figure out argv0
    argv0 = which(os.environ["PATH"], sys.argv[0])
    if not argv0:
        argv0 = sys.argv[0]
        if not os.path.isabs(argv0):
            argv0 = os.path.join(os.getcwd(), argv0)

    # traverse the symbolic links
    dir0 = os.path.dirname(argv0)
    while True:
        if dir0.endswith("/lib"):
            bindir = dir0[0:-3] + "bin"
        else:
            bindir = dir0
        landmark = os.path.join(bindir, "cxmenu")
        if os.path.isfile(landmark):
            break
        if not os.path.islink(argv0):
            break
        argv0 = os.readlink(argv0)
        if not os.path.isabs(argv0):
            argv0 = os.path.join(dir0, argv0)
        dir0 = os.path.dirname(argv0)

    # compute CX_ROOT
    CX_ROOT = os.path.dirname(os.path.normpath(bindir))

    # check CX_ROOT
    landmark = os.path.join(CX_ROOT, "bin", "cxmenu")
    if not os.path.isfile(landmark) or not os.access(landmark, os.X_OK):
        sys.stderr.write("%s:error: could not find CrossOver in '%s'\n" % (os.path.dirname(sys.argv[0]), CX_ROOT))
        sys.exit(1)

    sys.path.append(os.path.join(CX_ROOT, "lib", "python"))

locate_cx_root()
import cxutils
cxutils.CX_ROOT = CX_ROOT


import shutil
import stat

# pylint: disable=W0611
import checkpython
import cxopt
import cxlog

# for localization
from cxutils import cxgettext as _


def install(src_license, src_sig):
    etc_dir = os.path.join(cxutils.CX_ROOT, "etc")
    dst_license = os.path.join(etc_dir, "license.txt")
    dst_sig = os.path.join(etc_dir, "license.sig")
    try:
        shutil.copyfile(src_license, dst_license)
        shutil.copyfile(src_sig, dst_sig)
        os.chmod(dst_license, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH)
        os.chmod(dst_sig, stat.S_IRUSR | stat.S_IWUSR | stat.S_IRGRP | stat.S_IROTH)
        return 0
    except Exception: # pylint: disable=W0703
        exception = (sys.exc_info())[1]
        cxlog.err(str(exception))
        return 1

def return_from_root_check(_response):
    sys.exit(1)

def main():
    # Parse the command line before we do anything that assumes $DISPLAY is set
    # so we can handle --help and issue usage errors normally.
    opt_parser = cxopt.Parser(usage="%prog [--help]",
                              description="Registers and unlocks a demo version of CrossOver.")
    opt_parser.add_option('--install', action="store_true", dest='install', help="Installs the specified license files")
    (options, args) = opt_parser.parse_args()
    if options.install:
        if len(args) < 2:
            opt_parser.error("not enough arguments for --install")
        elif len(args) > 2:
            opt_parser.error("unexpected argument '%s'" % args[2])
        else:
            return install(args[0], args[1])
    elif args:
        opt_parser.error("unexpected argument '%s'" % args[0])

    # Check for gtk and $DISPLAY
    import checkgtk
    if checkgtk.check_gtk() != checkgtk.OK:
        return 1

    import gtk
    import cxguitools
    import cxproduct
    try:
        cxproduct.get_user_dir()
    except Exception: # pylint: disable=W0703
        exception = (sys.exc_info())[1]
        cxguitools.CXMessageDlg(primary=str(exception), secondary=_("This command must be run in your regular user account."), buttons=gtk.BUTTONS_CLOSE, response_function=return_from_root_check, message_type=gtk.MESSAGE_ERROR)
        gtk.main()
        return 1

    cxguitools.set_default_icon('cxregister')
    # It's ok to run this tool as root

    import cxregisterui
    cxregisterui.open_or_show(close_when_finished=True)
    gtk.main()
    return 0

if __name__ == "__main__":
    sys.exit(main())