# vim: set filencoding=utf8
"""
Subversion Info

@author: Mike Crute (mcrute@ag.com)
@organization: SoftGroup Interactive, Inc.
@date: April 20, 2010
"""


import os
from xml.dom import pulldom
from obalie.utils import join_url
from obalie.commands import BaseCommand


class RepositoryInfo(object):

    def __init__(self, path=None, root=None, uuid=None, revision=None):
        self.path = path
        self.root = root
        self.uuid = uuid
        self.revision = revision

    @property
    def relative_path(self):
        return self.path[len(self.root):]


class InfoCommand(BaseCommand):

    def __call__(self, path='/'):
        path = join_url(self.client.repo_url, path)
        self.logger.info('Running info for path: %s', path)

        repo_info = RepositoryInfo()

        xml = self.client.get_xml_output('info', path)
        for event, node in xml:
            if event != pulldom.START_ELEMENT:
                continue

            if node.tagName in ('url', 'root', 'uuid'):
                xml.expandNode(node)

            if node.tagName == 'url':
                repo_info.path = node.firstChild.data
            elif node.tagName == 'root':
                repo_info.root = node.firstChild.data
            elif node.tagName == 'uuid':
                repo_info.uuid = node.firstChild.data

        return repo_info