# Copyright (C) 2005-2009 Aaron Bentley and Panometrics, Inc.
#                         Chris Ball <cjb@laptop.org>
#                         Thomas Gerigk <tgerigk@gmx.de>
#                         Thomas Habets <thomas@habets.pp.se>
#                         W. Trevor King <wking@drexel.edu>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# 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 General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
"""Show a particular bug"""
import sys
from libbe import cmdutil, bugdir
__desc__ = __doc__

def execute(args, manipulate_encodings=True):
    """
    >>> import os
    >>> bd = bugdir.simple_bug_dir()
    >>> os.chdir(bd.root)
    >>> execute (["a",], manipulate_encodings=False) # doctest: +ELLIPSIS
              ID : a
      Short name : a
        Severity : minor
          Status : open
        Assigned : 
          Target : 
        Reporter : 
         Creator : John Doe <jdoe@example.com>
         Created : ...
    Bug A
    <BLANKLINE>
    >>> execute (["--xml", "a"], manipulate_encodings=False) # doctest: +ELLIPSIS
    <?xml version="1.0" encoding="..." ?>
    <bug>
      <uuid>a</uuid>
      <short-name>a</short-name>
      <severity>minor</severity>
      <status>open</status>
      <creator>John Doe &lt;jdoe@example.com&gt;</creator>
      <created>...</created>
      <summary>Bug A</summary>
    </bug>
    """
    parser = get_parser()
    options, args = parser.parse_args(args)
    cmdutil.default_complete(options, args, parser,
                             bugid_args={-1: lambda bug : bug.active==True})
    if len(args) == 0:
        raise cmdutil.UsageError
    bd = bugdir.BugDir(from_disk=True,
                       manipulate_encodings=manipulate_encodings)
    if options.XML:
        print '<?xml version="1.0" encoding="%s" ?>' % bd.encoding
    for shortname in args:
        if shortname.count(':') > 1:
            raise cmdutil.UserError("Invalid id '%s'." % shortname)        
        elif shortname.count(':') == 1:
            # Split shortname generated by Comment.comment_shortnames()
            bugname = shortname.split(':')[0]
            is_comment = True
        else:
            bugname = shortname
            is_comment = False
        if is_comment == True and options.comments == False:
            continue
        bug = bd.bug_from_shortname(bugname)
        if is_comment == False:
            if options.XML:
                print bug.xml(show_comments=options.comments)
            else:
                print bug.string(show_comments=options.comments)
        else:
            comment = bug.comment_root.comment_from_shortname(
                shortname, bug_shortname=bugname)
            if options.XML:
                print comment.xml(shortname=shortname)
            else:
                if len(args) == 1 and options.only_raw_body == True:
                    sys.__stdout__.write(comment.body)
                else:
                    print comment.string(shortname=shortname)
        if shortname != args[-1] and options.XML == False:
            print "" # add a blank line between bugs/comments

def get_parser():
    parser = cmdutil.CmdOptionParser("be show [options] ID [ID ...]")
    parser.add_option("-x", "--xml", action="store_true", default=False,
                      dest='XML', help="Dump as XML")
    parser.add_option("--only-raw-body", action="store_true",
                      dest='only_raw_body',
                      help="When printing only a single comment, just print it's body.  This allows extraction of non-text content types.")
    parser.add_option("-c", "--no-comments", dest="comments",
                      action="store_false", default=True,
                      help="Disable comment output.  This is useful if you just want more details on a bug's current status.")
    return parser

longhelp="""
Show all information about the bugs or comments whose IDs are given.

It's probably not a good idea to mix bug and comment IDs in a single
call, but you're free to do so if you like.
"""

def help():
    return get_parser().help_str() + longhelp