# -*- 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 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/>.

import functools

import io

import logging.config

import os

import re

import sys

import click

import paste.deploy

import kallithea

# kallithea_cli is usually invoked through the 'kallithea-cli' wrapper script

# that is installed by setuptools, as specified in setup.py console_scripts

# entry_points. The script will be using the right virtualenv (if any), and for

# Unix, it will contain #! pointing at the right python executable. The script

# also makes sure sys.argv[0] points back at the script path, and that is what

# can be used to invoke 'kallithea-cli' later.

kallithea_cli_path = sys.argv[0]

def read_config(ini_file_name, strip_section_prefix):

    """Read ini_file_name content, and for all sections like '[X:Y]' where X is

    strip_section_prefix, replace the section name with '[Y]'."""

    def repl(m):

        if m.group(1) == strip_section_prefix:

            return '[%s]' % m.group(2)

        return m.group(0)

    with open(ini_file_name) as f:

        return re.sub(r'^\[([^:]+):(.*)]', repl, f.read().decode(), flags=re.MULTILINE)

# This placeholder is the main entry point for the kallithea-cli command

@click.group(context_settings=dict(help_option_names=['-h', '--help']))

def cli():

    """Various commands to manage a Kallithea instance."""

def register_command(config_file=False, config_file_initialize_app=False, hidden=False):

    """Register a kallithea-cli subcommand.

    If one of the config_file flags are true, a config file must be specified

    with -c and it is read and logging is configured. The configuration is

    available in the kallithea.CONFIG dict.

    If config_file_initialize_app is true, Kallithea, TurboGears global state

    (including tg.config), and database access will also be fully initialized.

    """

    cli_command = cli.command(hidden=hidden)

    if config_file or config_file_initialize_app:

        def annotator(annotated):

            @click.option('--config_file', '-c', help="Path to .ini file with app configuration.",

                type=click.Path(dir_okay=False, exists=True, readable=True), required=True)

            @functools.wraps(annotated) # reuse meta data from the wrapped function so click can see other options

            def runtime_wrapper(config_file, *args, **kwargs):

                path_to_ini_file = os.path.realpath(config_file)

                kallithea.CONFIG = paste.deploy.appconfig('config:' + path_to_ini_file)