#!/usr/bin/env python

# THIS FILE IS PART OF THE CYLC SUITE ENGINE.
# Copyright (C) 2008-2016 NIWA
#
# 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/>.

"""cylc [db] reregister|rename [OPTIONS] ARGS

Change the name of a suite (or group of suites) from REG1 to REG2.
Example:
  cylc db rereg foo.bar.baz test.baz"""

import sys
from cylc.remote import remrun
if remrun().execute():
    sys.exit(0)

from cylc.option_parsers import CylcOptionParser as COP
from cylc.registration import RegistrationDB
import cylc.flags


def main():
    parser = COP(__doc__, argdoc=[("REG1", "original name"),
                                  ("REG2", "new name")])
    (options, args) = parser.parse_args()
    arg_from = args[0]
    arg_to = args[1]

    db = RegistrationDB(options.db)
    db.reregister(arg_from, arg_to)


if __name__ == "__main__":
    try:
        main()
    except Exception as exc:
        if cylc.flags.debug:
            raise
        sys.exit(str(exc))
