# Copyright (C) 2016-2024 RhodeCode GmbH
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License, version 3
# (only), 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 General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
#
# This program is dual-licensed. If you wish to learn more about the
# RhodeCode Enterprise Edition, including its added features, Support services,
# and proprietary license terms, please see https://rhodecode.com/licenses/

import warnings

warnings.filterwarnings("ignore", message="pkg_resources is deprecated as an API.*", category=UserWarning)
warnings.filterwarnings("ignore", message="pkg_resources is deprecated as an API.*", category=DeprecationWarning)

import os
import sys
import time
import logging

import click

from rhodecode.lib.pyramid_utils import bootstrap
from rhodecode.lib.statsd_client import StatsdClient

from .backends import SshWrapper
from .utils import setup_custom_logging

log = logging.getLogger(__name__)


@click.command()
@click.argument("ini_path", type=click.Path(exists=True))
@click.option(
    "--mode",
    "-m",
    required=False,
    default="auto",
    type=click.Choice(["auto", "vcs", "git", "hg", "svn", "test"]),
    help="mode of operation",
)
@click.option("--user", help="Username for which the command will be executed")
@click.option("--user-id", help="User ID for which the command will be executed")
@click.option("--key-id", help="ID of the key from the database")
@click.option("--shell", "-s", is_flag=True, help="Allow Shell")
@click.option("--debug", is_flag=True, help="Enabled detailed output logging")
def main(ini_path, mode, user, user_id, key_id, shell, debug):
    setup_custom_logging(ini_path, debug)

    command = os.environ.get("SSH_ORIGINAL_COMMAND", "")
    if not command and mode not in ["test"]:
        raise ValueError(
            "Unable to fetch SSH_ORIGINAL_COMMAND from environment."
            "Please make sure this is set and available during execution "
            "of this script."
        )
    connection_info = os.environ.get("SSH_CONNECTION", "")
    time_start = time.time()
    with bootstrap(ini_path, env={"RC_CMD_SSH_WRAPPER": "1"}) as env:
        settings = env["registry"].settings
        statsd = StatsdClient.statsd
        try:
            ssh_wrapper = SshWrapper(
                command, connection_info, mode, user, user_id, key_id, shell, ini_path, settings, env
            )
        except Exception:
            log.exception("Failed to execute SshWrapper")
            sys.exit(-5)
        return_code = ssh_wrapper.wrap()
        operation_took = time.time() - time_start
        if statsd:
            operation_took_ms = round(1000.0 * operation_took)
            statsd.timing("rhodecode_ssh_wrapper_timing.histogram", operation_took_ms, use_decimals=False)
        sys.exit(return_code)