#!/usr/bin/python
#
# WARNING: THIS IS HIGHLY EXPERIMENTAL CODE RIGHT NOW. JUST PROOF OF CONCEPT.
# DO NOT RUN UNTIL YOU KNOW WHAT YOU ARE DOING.
# 
# Copyright (C) 2011  Codethink Limited
# 
# 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 2 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.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.


import cliapp
import json
import logging
import os
import shutil
import tempfile

import morphlib


class Morph(cliapp.Application):

    def add_settings(self):
        self.settings.boolean(['verbose', 'v'], 'show what is happening')
        self.settings.string(['git-base-url'],
                             'prepend URL to git repos that are not URLs',
                             metavar='URL')
        self.settings.string(['chunk-repo'], 
                             'repository to use for a chunk morphology')
        self.settings.string(['chunk-ref'], 
                             'commit reference to use for a chunk morphology')
        self.settings.string(['cachedir'], 
                             'put build results in DIR (default: %default)',
                             metavar='DIR', default='.')

    def cmd_build(self, morph_filenames):
        tempdir = morphlib.tempdir.Tempdir()
        builder = morphlib.builder.Builder(tempdir, self.msg, self.settings)
        for name in morph_filenames:
            self.msg('Building morphology %s' % name)
            with self.open_input(name, 'r') as f:
                morph = morphlib.morphology.Morphology(f, 
                                    baseurl=self.settings['git-base-url'])
                builder.build(morph)
        tempdir.remove()

    def msg(self, msg):
        '''Show a message to the user about what is going on.'''
        logging.debug(msg)
        if self.settings['verbose']:
            self.output.write('%s\n' % msg)


if __name__ == '__main__':
    Morph().run()