# Software License Agreement (BSD License)
#
# Copyright (c) 2010, Willow Garage, Inc.
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# modification, are permitted provided that the following conditions
# are met:
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#    notice, this list of conditions and the following disclaimer.
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#    disclaimer in the documentation and/or other materials provided
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import svn, bzr, hg, git, tar
import os


class VCSClient: 
  def __init__(self, vcs_type, path):
    self._path = path
    self.vcs_types = {
      "svn": svn.SVNClient,
      "bzr": bzr.BZRClient,
      "git": git.GITClient,
      "hg": hg.HGClient,
      "tar": tar.TARClient,
      }
    if not vcs_type in self.vcs_types:
      raise LookupError("%s VCS type undefined"%vcs_type)
    self.vcs = self.vcs_types[vcs_type](path)
    
  def path_exists(self):
      return os.path.exists(self._path)

  def get_path(self):
      return self._path

  # pass through VCSClientBase API
  def get_version(self, spec=None):
    return self.vcs.get_version(spec)
  def checkout(self, url, version=''):
    return self.vcs.checkout(url, version)
  def update(self, version):
    return self.vcs.update(version)
  def detect_presence(self):
    return self.vcs.detect_presence()
  def get_vcs_type_name(self):
    return self.vcs.get_vcs_type_name()
  def get_url(self):
    return self.vcs.get_url()
  def get_branch_parent(self):
    return self.vcs.get_branch_parent()
