"""Module for creating a new template for a psyplot plugin."""

# Disclaimer
# ----------
#
# Copyright (C) 2021 Helmholtz-Zentrum Hereon
# Copyright (C) 2020-2021 Helmholtz-Zentrum Geesthacht
# Copyright (C) 2016-2021 University of Lausanne
#
# This file is part of psyplot and is released under the GNU LGPL-3.O license.
# See COPYING and COPYING.LESSER in the root of the repository for full
# licensing details.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License version 3.0 as
# published by the Free Software Foundation.
#
# 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 LGPL-3.0 license for more details.
#
# You should have received a copy of the GNU LGPL-3.0 license
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

import funcargparse
import os
import os.path as osp
import shutil


def new_plugin(odir, py_name=None, version='0.0.1.dev0',
               description='New plugin'):
    """
    Create a new plugin for the psyplot package

    Parameters
    ----------
    odir: str
        The name of the directory where the data will be copied to. The
        directory must not exist! The name of the directory also defines the
        name of the package.
    py_name: str
        The name of the python package. If None, the basename of `odir` is used
        (and ``'-'`` is replaced by ``'_'``)
    version: str
        The version of the package
    description: str
        The description of the plugin"""
    name = osp.basename(odir)
    if py_name is None:
        py_name = name.replace('-', '_')

    src = osp.join(osp.dirname(__file__), 'plugin-template-files')
    # copy the source files
    shutil.copytree(src, odir)
    os.rename(osp.join(odir, 'plugin_template'), osp.join(odir, py_name))

    replacements = {'PLUGIN_NAME': name,
                    'PLUGIN_PYNAME': py_name,
                    'PLUGIN_VERSION': version,
                    'PLUGIN_DESC': description,
                    }
    files = [
        'README.md',
        'setup.py',
        osp.join(py_name, 'plugin.py'),
        osp.join(py_name, 'plotters.py'),
        osp.join(py_name, '__init__.py'),
        ]

    for fname in files:
        with open(osp.join(odir, fname)) as f:
            s = f.read()
        for key, val in replacements.items():
            s = s.replace(key, val)
        with open(osp.join(odir, fname), 'w') as f:
            f.write(s)


def main(args=None):
    parser = funcargparse.FuncArgParser()
    parser.setup_args(new_plugin)
    parser.update_short(version='v', description='d')
    parser.create_arguments()
    parser.parse2func(args)


if __name__ == '__main__':
    main()