# Copyright (C) 2010 Google Inc. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#     * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

"""A utility module for making standalone scripts to start servers.

Scripts in Tools/Scripts can use this module to start servers that
are normally used for layout tests, outside of the layout test runner.
"""

import logging
import argparse

from webkitpy.common.host import Host

_log = logging.getLogger(__name__)


def main(server_constructor, input_fn=None, argv=None, **kwargs):
    input_fn = input_fn or raw_input

    parser = argparse.ArgumentParser()
    parser.add_argument('--output-dir', type=str, default=None,
                        help='output directory, for log files etc.')
    parser.add_argument('-v', '--verbose', action='store_true',
                        help='print more information, including port numbers')
    args = parser.parse_args(argv)

    logging.basicConfig()
    logger = logging.getLogger()
    logger.setLevel(logging.DEBUG if args.verbose else logging.INFO)

    host = Host()
    port_obj = host.port_factory.get()
    if not args.output_dir:
        args.output_dir = port_obj.default_results_directory()

    # Create the output directory if it doesn't already exist.
    port_obj.host.filesystem.maybe_make_directory(args.output_dir)

    server = server_constructor(port_obj, args.output_dir, **kwargs)
    server.start()
    try:
        _ = input_fn('Hit any key to stop the server and exit.')
    except (KeyboardInterrupt, EOFError):
        pass

    server.stop()
