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# Copyright (c) 2017 crocoite contributors
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

"""
Command line interface
"""

import argparse, json, sys

from . import behavior
from .controller import SinglePageController, defaultSettings, \
        ControllerSettings, StatsHandler, LogHandler
from .browser import NullService, ChromeService
from .warc import WarcHandler
from .logger import Logger, JsonPrintConsumer, DatetimeConsumer, WarcHandlerConsumer

def single ():
    parser = argparse.ArgumentParser(description='Save website to WARC using Google Chrome.')
    parser.add_argument('--browser', help='DevTools URL', metavar='URL')
    parser.add_argument('--timeout', default=10, type=int, help='Maximum time for archival', metavar='SEC')
    parser.add_argument('--idle-timeout', default=2, type=int, help='Maximum idle seconds (i.e. no requests)', dest='idleTimeout', metavar='SEC')
    parser.add_argument('--max-body-size', default=defaultSettings.maxBodySize, type=int, dest='maxBodySize', help='Max body size', metavar='BYTES')
    parser.add_argument('--behavior', help='Comma-separated list of enabled behavior scripts',
            dest='enabledBehaviorNames',
            default=list (behavior.availableMap.keys ()),
            choices=list (behavior.availableMap.keys ()))
    parser.add_argument('url', help='Website URL', metavar='URL')
    parser.add_argument('output', help='WARC filename', metavar='FILE')

    args = parser.parse_args ()

    logger = Logger (consumer=[DatetimeConsumer (), JsonPrintConsumer ()])

    service = ChromeService ()
    if args.browser:
        service = NullService (args.browser)
    settings = ControllerSettings (maxBodySize=args.maxBodySize,
            idleTimeout=args.idleTimeout, timeout=args.timeout)
    with open (args.output, 'wb') as fd, WarcHandler (fd, logger) as warcHandler:
        logger.connect (WarcHandlerConsumer (warcHandler))
        handler = [StatsHandler (), LogHandler (logger), warcHandler]
        b = list (map (lambda x: behavior.availableMap[x], args.enabledBehaviorNames))
        controller = SinglePageController (args.url, fd, settings=settings,
                service=service, handler=handler, behavior=b, logger=logger)
        controller.run ()
        r = handler[0].stats
        logger.info ('stats', context='cli', uuid='24d92d16-770e-4088-b769-4020e127a7ff', **r)

    return True