#!/usr/bin/python
#
# Copyright (C) 2010, Benjamin Drung <bdrung@ubuntu.com>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

import optparse
import os
import shutil
import sys
import tempfile

from ubuntutools.config import UDTConfig
from ubuntutools.builder import get_builder
from ubuntutools.logger import Logger
from ubuntutools.sponsor_patch.sponsor_patch import sponsor_patch

def main():
    script_name = os.path.basename(sys.argv[0])
    usage = "%s [options] <bug number>" % (script_name)
    epilog = "See %s(1) for more info." % (script_name)
    parser = optparse.OptionParser(usage=usage, epilog=epilog)

    parser.add_option("-b", "--build", dest="build",
                      help="Build the package with the specified builder.",
                      action="store_true", default=False)
    parser.add_option("-B", "--builder", dest="builder", default=None,
                      help="Specify the package builder (default pbuilder)")
    parser.add_option("-e", "--edit",
                      help="launch sub-shell to allow editing of the patch",
                      dest="edit", action="store_true", default=False)
    parser.add_option("-k", "--key", dest="keyid", default=None,
                      help="Specify the key ID to be used for signing.")
    parser.add_option("-l", "--lpinstance", dest="lpinstance", default=None,
                      help="Launchpad instance to connect to "
                           "(default: production)",
                      metavar="INSTANCE")
    parser.add_option("--no-conf", dest="no_conf", default=False,
                      help="Don't read config files or environment variables.",
                      action="store_true")
    parser.add_option("-s", "--sponsor", help="sponsoring; equals -b -u ubuntu",
                      dest="sponsoring", action="store_true", default=False)
    parser.add_option("-u", "--upload", dest="upload", default=None,
                      help="Specify an upload destination (default none).")
    parser.add_option("-U", "--update", dest="update", default=False,
                      action="store_true",
                      help="Update the build environment before building.")
    parser.add_option("-v", "--verbose", help="print more information",
                      dest="verbose", action="store_true", default=False)
    parser.add_option("-w", "--workdir", dest="workdir", default=None,
                      help="Specify a working directory.")

    (options, args) = parser.parse_args()
    Logger.set_verbosity(options.verbose)

    if len(args) == 0:
        Logger.error("No bug number specified.")
        sys.exit(1)
    elif len(args) > 1:
        Logger.error("Multiple bug numbers specified: %s" % (", ".join(args)))
        sys.exit(1)

    bug_number = args[0]
    if bug_number.isdigit():
        bug_number = int(bug_number)
    else:
        Logger.error("Invalid bug number specified: %s" % (bug_number))
        sys.exit(1)

    config = UDTConfig(options.no_conf)
    if options.builder is None:
        options.builder = config.get_value("BUILDER")
    if options.lpinstance is None:
        options.lpinstance = config.get_value("LPINSTANCE")
    if not options.update:
        options.update = config.get_value("UPDATE_BUILDER", boolean=True)
    if options.workdir is None:
        options.workdir = config.get_value("WORKDIR")

    builder = get_builder(options.builder)
    if not builder:
        sys.exit(1)

    if options.sponsoring:
        options.build = True
        options.upload = "ubuntu"

    if not options.upload and not options.workdir:
        Logger.error("Please specify either a working directory or an upload "
                     "target!")
        sys.exit(1)

    if options.workdir is None:
        workdir = tempfile.mkdtemp(prefix=script_name+"-")
    else:
        workdir = options.workdir

    try:
        sponsor_patch(bug_number, options.build, builder, options.edit,
                      options.keyid, options.lpinstance, options.update,
                      options.upload, workdir, options.verbose)
    except KeyboardInterrupt:
        print "\nUser abort."
        sys.exit(2)
    finally:
        if options.workdir is None:
            shutil.rmtree(workdir)

if __name__ == "__main__":
    main()