# -*- mode: python; coding: utf-8 -*-

import os, sys, logging
import ConfigParser

import util
import ps



BASE    = os.path.dirname(sys.argv[0])
sys.path.append(BASE)

USERDIR = os.environ['HOME']
TPBASE  = os.path.join(USERDIR, '.twinpanel')
ENABLED = os.path.join(TPBASE, 'enabled')

DBFILE = os.path.join(TPBASE, 'factorymap')

PLUGDIRS = [os.path.join(BASE, 'plugins'), ENABLED]
for dname in PLUGDIRS:
    if dname not in sys.path:
        sys.path.append(dname)



DEFAULT_METHOD = 'ice'


def revision():
    try:
        import commands
        retval = commands.getoutput(\
            "cd %s; hg tip | awk -F':' '/changeset/ {print $2}'" % BASE).strip()

        if not retval.isdigit():
            retval = '??'

        return retval

    except:
        return '??'


def path(fname, user=None):
    paths = [
        os.path.join(BASE, fname),
        os.path.join(BASE, 'plugins', fname),
        ]

    if user:
        paths.append(os.path.join(os.path.dirname(user), fname))

    for p in paths:
        if os.path.exists(p): return p

    logging.error("File '%s' not found" % fname)
    return None



# Aplicaciones predefinidas por tipo de fichero
# FIXME: Gestión de MIME-types (GVFS)
# FIXME: Utilizar la clase URI
def open(uri):
    logging.debug('open(%s)' % uri)
    if os.path.splitext(uri)[1] == '.html' or\
            uri.startswith('http'):
        ps.Subprocess('sensible-browser %s' % uri)



class ConfigManager:

    __metaclass__ = util.Singleton

    def __init__(self):

        if not os.path.exists(TPBASE):
            self.gen_default_config()

        files = [
            os.path.join(TPBASE, 'config'),
            'config']


        self.parser = ConfigParser.SafeConfigParser()
        self.parser.read(files)


    def get(self, option, cls=str):

        section, sep, option = option.partition('.')
        return cls(self.parser.get(section, option))


    def gen_default_config(self):
        os.mkdir(TPBASE)
        os.mkdir(ENABLED)


Config = ConfigManager()