# -*- coding: utf-8 -*-

# Copyright(C) 2010  Romain Bignon, Christophe Benz
#
# 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, version 3 of the License.
#
# 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, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.


import os
import subprocess
import re

from weboob.tools.application.repl import ReplApplication
from weboob.tools.ordereddict import OrderedDict


__all__ = ['WeboobCfg']


class WeboobCfg(ReplApplication):
    APPNAME = 'weboob-config'
    VERSION = '0.2'
    COPYRIGHT = 'Copyright(C) 2010 Christophe Benz, Romain Bignon'

    def load_default_backends(self):
        pass

    def do_add(self, line):
        """
        add NAME [OPTIONS ...]

        Add a configured backend.
        """
        name, options = self.parseargs(line, 2, 1)
        if options:
            options = options.split(' ')
        else:
            options = ()

        params = {}
        # set backend params from command-line arguments
        for option in options:
            try:
                key, value = option.split('=', 1)
            except ValueError:
                print 'Parameters have to be formatted "key=value"'
                return
            params[key] = value

        self.add_backend(name, params)

    def do_list(self, line):
        """
        list

        Show configured backends.
        """
        self.set_default_formatter('table')
        for instance_name, name, params in sorted(self.weboob.backends_config.iter_backends()):
            backend = self.weboob.modules_loader.get_or_load_module(name)
            row = OrderedDict([('Instance name', instance_name),
                               ('Backend', name),
                               ('Configuration', ', '.join('%s=%s' % (key, ('*****' if key in backend.config and backend.config[key].is_masked else value)) for key, value in params.iteritems())),
                               ])
            self.format(row)
        self.flush()

    def do_remove(self, instance_name):
        """
        remove NAME

        Remove a configured backend.
        """
        if not self.weboob.backends_config.remove_backend(instance_name):
            print 'Backend instance "%s" does not exist' % instance_name
            return 1
        return 0

    def do_edit(self):
        """
        edit

        Edit configuration file.
        """
        subprocess.call([os.environ.get('EDITOR', 'vi'), self.weboob.backends_config.confpath])

    def do_backends(self, line):
        """
        backends [CAPS ...]

        Show available backends
        """
        caps = line.split(' ')
        self.set_default_formatter('table')
        self.weboob.modules_loader.load_all()
        for name, backend in sorted(self.weboob.modules_loader.loaded.iteritems()):
            if caps and not self.caps_included(backend.iter_caps(), caps):
                continue
            row = OrderedDict([('Name', name),
                               ('Capabilities', ', '.join(cap.__name__ for cap in backend.iter_caps())),
                               ('Description', backend.description),
                               ])
            self.format(row)

    def do_info(self, name):
        """
        info NAME

        Display information about a backend.
        """
        try:
            backend = self.weboob.modules_loader.get_or_load_module(name)
        except KeyError:
            print 'No such backend: "%s"' % name
            return 1

        print '.------------------------------------------------------------------------------.'
        print '| Backend %-68s |' % backend.name
        print "+-----------------.------------------------------------------------------------'"
        print '| Version         | %s' % backend.version
        print '| Maintainer      | %s' % backend.maintainer
        print '| License         | %s' % backend.license
        print '| Description     | %s' % backend.description
        print '| Capabilities    | %s' % ', '.join([cap.__name__ for cap in backend.iter_caps()])
        first = True
        for key, field in backend.config.iteritems():
            value = field.description
            if not field.default is None:
                value += ' (default: %s)' % field.default
            if first:
                print '|                 | '
                print '| Configuration   | %s: %s' % (key, value)
                first = False
            else:
                print '|                 | %s: %s' % (key, value)
        print "'-----------------'"

    def do_applications(self, line):
        """
        applications

        Show applications.
        """
        applications = set()
        import weboob.applications
        for path in weboob.applications.__path__:
            regexp = re.compile('^%s/([\w\d_]+)$' % path)
            for root, dirs, files in os.walk(path):
                m = regexp.match(root)
                if m and '__init__.py' in files:
                    applications.add(m.group(1))
        print ' '.join(sorted(applications)).encode('utf-8')