"""Routes configuration

The more specific and detailed routes should be defined first so they

may take precedent over the more generic routes. For more information

refer to the routes manual at http://routes.groovie.org/docs/

"""

from routes import Mapper

def make_map(config):

    """Create, configure and return the routes Mapper"""

    map = Mapper(directory=config['pylons.paths']['controllers'],

                 always_scan=config['debug'])

    map.minimization = False

    map.explicit = False

    # The ErrorController route (handles 404/500 error pages); it should

    # likely stay at the top, ensuring it can always be resolved

    map.connect('/error/{action}', controller='error')

    map.connect('/error/{action}/{id}', controller='error')

    # CUSTOM ROUTES HERE

    map.connect('hg_home', '/', controller='hg', action='index')

    def check_repo(environ, match_dict):

        """

        check for valid repository for proper 404 handling

        @param environ:

        @param match_dict:

        """

        repo_name = match_dict.get('repo_name')

        return not cr(repo_name, config['base_path'])

    #REST routes

    with map.submapper(path_prefix='/_admin', controller='repos') as m:

        m.connect("repos", "/repos",

             action="create", conditions=dict(method=["POST"]))

        m.connect("repos", "/repos",

             action="index", conditions=dict(method=["GET"]))

        m.connect("formatted_repos", "/repos.{format}",

             action="index",

            conditions=dict(method=["GET"]))

        m.connect("new_repo", "/repos/new",

             action="new", conditions=dict(method=["GET"]))

        m.connect("formatted_new_repo", "/repos/new.{format}",

             action="new", conditions=dict(method=["GET"]))

        m.connect("/repos/{repo_name:.*}",

             action="update", conditions=dict(method=["PUT"],

                                              function=check_repo))

        m.connect("/repos/{repo_name:.*}",

             action="delete", conditions=dict(method=["DELETE"],

                                              function=check_repo))

        m.connect("edit_repo", "/repos/{repo_name:.*}/edit",

             action="edit", conditions=dict(method=["GET"],

                                            function=check_repo))

        m.connect("formatted_edit_repo", "/repos/{repo_name:.*}.{format}/edit",

# of the License or (at your opinion) any later version of the license.

# 

# 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.

"""

Created on April 18, 2010

Utilities for hg app

@author: marcink

"""

import os

import logging

from mercurial import ui, config, hg

from mercurial.error import RepoError

from pylons_app.model.db import Repository, User

log = logging.getLogger(__name__)

def get_repo_slug(request):

    return request.environ['pylons.routes_dict'].get('repo_name')

def is_mercurial(environ):

    """

    Returns True if request's target is mercurial server - header

    ``HTTP_ACCEPT`` of such request would start with ``application/mercurial``.

    """

    http_accept = environ.get('HTTP_ACCEPT')

    if http_accept and http_accept.startswith('application/mercurial'):

        return True

    return False

def check_repo_dir(paths):

    repos_path = paths[0][1].split('/')

    if repos_path[-1] in ['*', '**']:

        repos_path = repos_path[:-1]

    if repos_path[0] != '/':

        repos_path[0] = '/'

    if not os.path.isdir(os.path.join(*repos_path)):

        raise Exception('Not a valid repository in %s' % paths[0][1])

    repo_path = os.path.join(base_path, repo_name)

    try:

        r = hg.repository(ui.ui(), repo_path)

        hg.verify(r)

        #here we hnow that repo exists it was verified

        log.info('%s repo is already created', repo_name)

        return False

    except RepoError:

        log.info('%s repo is free for creation', repo_name)

        return True

def make_ui(path=None, checkpaths=True):        

    """

    A funcion that will read python rc files and make an ui from read options

    @param path: path to mercurial config file

    """

    if not path:

        log.error('repos config path is empty !')

    if not os.path.isfile(path):

        log.warning('Unable to read config file %s' % path)

        return False

    #propagated from mercurial documentation

    sections = [

                'alias',

                'auth',

                'decode/encode',

                'defaults',

                'diff',

                'email',

                'extensions',

                'format',

                'merge-patterns',

                'merge-tools',

                'hooks',

                'http_proxy',

                'smtp',

                'patch',

                'paths',

                'profiling',

                'server',

                'trusted',

                'ui',

                'web',

                ]

    baseui = ui.ui()

    cfg = config.config()

    cfg.read(path)

    if checkpaths:check_repo_dir(cfg.items('paths'))

    for section in sections:

        for k, v in cfg.items(section):

            baseui.setconfig(section, k, v)

    return baseui