#!/usr/bin/env python

import argparse
import logging
import sys

try:
    import brew
except ImportError as e:
    print str(e)
    print 'Please install the required dependencies first'
    print 'sudo pip install -r requirements.txt'
    sys.exit(1)

logger = logging.getLogger(__name__)
logging.basicConfig(format='%(asctime)s %(levelname)s %(message)s',
                    level='INFO')


if __name__ == '__main__':
    parser = argparse.ArgumentParser('Build the docker standard library')
    parser.add_argument(
        '--push', action='store_true', default=False,
        help='Push generated repositories'
    )
    parser.add_argument(
        '--debug', default=False, action='store_true',
        help='Enable debugging output'
    )
#    parser.add_argument(
#        '--noprefill', default=True, action='store_false',
#        dest='prefill', help='Disable cache prefill'
#    )
    parser.add_argument(
        '-n', metavar='NAMESPACE', default='library',
        help='Namespace used for generated repositories. Default is library'
    )
    parser.add_argument(
        '-b', metavar='BRANCH', default=brew.DEFAULT_BRANCH,
        help='Branch in the repository where the library definition'
        ' files will be fetched. Default is ' + brew.DEFAULT_BRANCH
    )
    parser.add_argument(
        'repository', default=brew.DEFAULT_REPOSITORY,
        nargs='?', help='git repository containing the library definition'
        ' files. Default is ' + brew.DEFAULT_REPOSITORY
    )
#    parser.add_argument(
#        '--reg', default=None, help='Registry address to'
#        ' push build results to. Also sets push to true.'
#    )
    parser.add_argument(
        '--targets', default=None, help='Comma-separated list'
        ' of images to build.'
    )
    args = parser.parse_args()
    if args.debug:
        brew.set_loglevel('DEBUG')
    sb_library = brew.StackbrewLibrary(args.repository, args.b)
    builder = brew.LocalBuilder(sb_library, args.n.split(','), args.targets)
    builder.build_repo_list()
    builder.build_all()
    if args.push:
        builder.push_all()

#    summary = brew.build_library(
#        args.repository, args.b, args.n, args.push or args.reg is not None,
#        args.debug, args.prefill, args.reg, args.targets, None, logger
#    )