#  -*- 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 2 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, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
#
# Module authors:
#   Markus Zolliker <markus.zolliker@psi.ch>
#
# *****************************************************************************
"""start/stop/list of services

this code is currently used:

- from NICOS to start and stop frappy servers
- from a script allowing to start/stop/list (and more) multiple frappy and nicos servers
"""

from servicemanager.base import ServiceManager, ServiceDown, UsageError, get_config
from servicemanager.nicosman import NicosManager
from servicemanager.seaman import SeaManager
from servicemanager.frappyman import FrappyManager


class SewebManager(ServiceManager):
    group = 'seweb'
    services = ('',)
    USAGE = """
    Usage:

      seaweb list [<instance>]
      seaweb start <instance>
      seaweb restart <instance>
      seaweb stop <instance>

      <instance> is one of %s
    """


all = NicosManager, FrappyManager, SeaManager, SewebManager


def run(group, arglist):
    try:
        parser = get_config()
        defaults = parser['DEFAULT']
        managers = {cls.group: cls() for cls in all if cls.group + '_command' in defaults}
        serv = managers[group]
        arglist = arglist + ['']  # add dummy argument
        if arglist[0].endswith('help'):
           serv.usage()
           return
        action = arglist.pop(0) if hasattr(serv, 'do_' + arglist[0]) else 'gui'
        instance = arglist.pop(0) if arglist[0] and arglist[0] not in serv.services else None
        if instance is None and serv.main_ins:
            instance = serv.main_ins
        if instance is not None:
            arglist.insert(0, instance)
        arglist.pop()  # remove dummy argument
        try:
            serv.action(action, *arglist)
        except AttributeError:
            raise
    except UsageError as e:
        serv.usage()
        print('ERROR:', str(e))