from mercurial import graphmod

from pylons import request, url, session, tmpl_context as c

from pylons.controllers.util import redirect

from pylons.i18n.translation import _

import rhodecode.lib.helpers as h

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseRepoController, render

from rhodecode.lib.helpers import RepoPage

from rhodecode.lib.compat import json

from vcs.exceptions import RepositoryError, ChangesetDoesNotExistError

log = logging.getLogger(__name__)

class ChangelogController(BaseRepoController):

    @LoginRequired()

    @HasRepoPermissionAnyDecorator('repository.read', 'repository.write',

                                   'repository.admin')

    def __before__(self):

        super(ChangelogController, self).__before__()

        c.affected_files_cut_off = 60

        else:

            c.size = int(session.get('changelog_size', default))

        p = int(request.params.get('page', 1))

        branch_name = request.params.get('branch', None)

        try:

            if branch_name:

                collection = [z for z in

                              c.rhodecode_repo.get_changesets(start=0,

                                                    branch_name=branch_name)]

                c.total_cs = len(collection)

            else:

                c.total_cs = len(c.rhodecode_repo)

            c.pagination = RepoPage(collection, page=p, item_count=c.total_cs,

                                    items_per_page=c.size, branch=branch_name)

        except (RepositoryError, ChangesetDoesNotExistError, Exception), e:

            log.error(traceback.format_exc())

            h.flash(str(e), category='warning')

            return redirect(url('home'))

        self._graph(c.rhodecode_repo, collection, c.total_cs, c.size, p)

        c.branch_name = branch_name

        return render('changelog/changelog.html')

    def changelog_details(self, cs):

        if request.environ.get('HTTP_X_PARTIAL_XHR'):

            c.cs = c.rhodecode_repo.get_changeset(cs)

            return render('changelog/changelog_details.html')

    def _graph(self, repo, collection, repo_size, size, p):

        """

        Generates a DAG graph for mercurial

        :param repo: repo instance

        :param size: number of commits to show

        :param p: page number

        """

        if not collection:

            c.jsdata = json.dumps([])

            return

        data = []

        if repo.alias == 'git':

                vtx = [0, 1]

                edges = [[0, 0, 1]]

                data.append(['', vtx, edges])

        elif repo.alias == 'hg':

            c.dag = graphmod.colored(graphmod.dagwalker(repo._repo, revs))

            for (id, type, ctx, vtx, edges) in c.dag:

                if type != graphmod.CHANGESET:

                    continue

                data.append(['', vtx, edges])

        c.jsdata = json.dumps(data)

            elif self.page < self.first_page:

                self.page = self.first_page

            # Note: the number of items on this page can be less than

            #       items_per_page if the last page is not full

            self.first_item = max(0, (self.item_count) - (self.page *

                                                          items_per_page))

            self.last_item = ((self.item_count - 1) - items_per_page *

                              (self.page - 1))

            self.items = list(self.collection[self.first_item:self.last_item + 1])

            # Links to previous and next page

            if self.page > self.first_page:

                self.previous_page = self.page - 1

            else:

                self.previous_page = None

            if self.page < self.last_page:

                self.next_page = self.page + 1

            else:

                self.next_page = None

        # No items available

                     'issue-prefix': ISSUE_PREFIX,

                     'serv': ISSUE_SERVER_LNK,

                    }

                )

            newtext = URL_PAT.sub(url_func, text_)

            if link_:

                newtext = link_ + newtext + '</a>'

            return literal(newtext)

    except:

        log.error(traceback.format_exc())

        pass

    return text_

def rst(source):

    return literal('<div class="rst-block">%s</div>' %

                   MarkupRenderer.rst(source))

def rst_w_mentions(source):

    """

    Wrapped rst renderer with @mention highlighting

# 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, see <http://www.gnu.org/licenses/>.

import os

import logging

import datetime

import traceback

from sqlalchemy import *

from sqlalchemy.ext.hybrid import hybrid_property

from sqlalchemy.orm import relationship, joinedload, class_mapper, validates

from beaker.cache import cache_region, region_invalidate

from vcs import get_backend

from vcs.utils.helpers import get_scm

from vcs.exceptions import VCSError

from vcs.utils.lazy import LazyProperty

from rhodecode.lib import str2bool, safe_str, get_changeset_safe, safe_unicode

    @property

    def tip(self):

        return self.get_changeset('tip')

    @property

    def author(self):

        return self.tip.author

    @property

    def last_change(self):

        return self.scm_instance.last_change

    #==========================================================================

    # SCM CACHE INSTANCE

    #==========================================================================

    @property

    def invalidate(self):

        return CacheInvalidation.invalidate(self.repo_name)

    def set_invalidate(self):

        """

        set a cache for invalidation for this instance

        """

    @classmethod

    def get_users(cls, revision):

        """

        Returns user associated with this changesetComment. ie those

        who actually commented

        :param cls:

        :param revision:

        """

        return Session.query(User)\

                .filter(cls.revision == revision)\

                .join(ChangesetComment.author).all()

class Notification(Base, BaseModel):

    __tablename__ = 'notifications'

    __table_args__ = ({'extend_existing':True})

    TYPE_CHANGESET_COMMENT = u'cs_comment'

    TYPE_MESSAGE = u'message'

    TYPE_MENTION = u'mention'

    TYPE_REGISTRATION = u'registration'

    notification_id = Column('notification_id', Integer(), nullable=False, primary_key=True)

    subject = Column('subject', Unicode(512), nullable=True)

	border-bottom: 1px solid #DDD;

	padding: 10px;

	height: 25px;

}

#graph_content #rev_range_container {

	padding: 7px 20px;

	float: left;

}

#graph_content .container {

	border-bottom: 1px solid #DDD;

	overflow: hidden;

}

#graph_content .container .right {

	float: right;

	width: 23%;

	text-align: right;

}

#graph_content .container .left {

	float: left;

	width: 25%;

#graph_content .container .mid .message {

	white-space: pre-wrap;

}

#graph_content .container .mid .message a:hover{

	text-decoration: none;

}

#content #graph_content .message .issue-tracker-link {

	font-weight: bold !important;

}

	clear: both;

}

.right .changes .changed_total {

	display: block;

	float: right;

	text-align: center;

	min-width: 45px;

	cursor: pointer;

	color: #444444;

	background: #FEA;

	-webkit-border-radius: 0px 0px 0px 6px;

  font-weight: bold;

  color: #ffffff;

  text-transform: uppercase;

  white-space: nowrap;

  -webkit-border-radius: 3px;

  -moz-border-radius: 3px;

  border-radius: 3px;

  margin-right: 2px;

}

.right .parent {

	color: #666666;

}

.right .logtags{

	padding: 2px 2px 2px 2px;

}

.right .logtags .branchtag,.logtags .branchtag {

  padding: 1px 3px 1px 3px;

  background-color: #bfbfbf;

  font-size: 10px;

  font-weight: bold;

  color: #ffffff;

  text-transform: uppercase;

  white-space: nowrap;

									<img alt="gravatar" src="${h.gravatar_url(h.email(cs.author),16)}"/>

								</div>

								<div title="${cs.author}" class="user">${h.person(cs.author)}</div>

							</div>

                            <div class="date">${cs.date}</div>

						</div>

						<div class="mid">

                            <div class="message">${h.urlify_commit(h.wrap_paragraphs(cs.message),c.repo_name,h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id))}</div>

                            <div class="expand"><span class="expandtext">&darr; ${_('show more')} &darr;</span></div>

						</div>	

						<div class="right">

									<div id="${cs.raw_id}_changes_info" class="changes">

								   %if cs.parents:

									%for p_cs in reversed(cs.parents):

										<div class="parent">${_('Parent')}

											<span class="changeset_id">${p_cs.revision}:<span class="changeset_hash">${h.link_to(h.short_id(p_cs.raw_id),

											h.url('changeset_home',repo_name=c.repo_name,revision=p_cs.raw_id),title=p_cs.message)}</span></span>

										</div>

									%endfor

								   %else:	

                                        <div class="parent">${_('No parents')}</div>   

                                   %endif  

								<span class="logtags">