#!/usr/bin/env python

# encoding: utf-8

# changeset controller for pylons

# Copyright (C) 2009-2010 Marcin Kuzminski <marcin@python-works.com>

# 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; version 2

# 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 25, 2010

changeset controller for pylons

@author: marcink

"""

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

from pylons.i18n.translation import _

from pylons.controllers.util import redirect

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseController, render

from rhodecode.model.hg_model import HgModel

from vcs.exceptions import RepositoryError, ChangesetError

from vcs.nodes import FileNode

from vcs.utils import diffs as differ

import logging

import traceback

log = logging.getLogger(__name__)

class ChangesetController(BaseController):

    @LoginRequired()

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

                                   'repository.admin')       

    def __before__(self):

        super(ChangesetController, self).__before__()

    def index(self, revision):

        hg_model = HgModel()

        def wrap_to_table(str):

            return '''<table class="code-difftable">

                        <tr class="line">

                        <td class="lineno new"></td>

                        <td class="code"><pre>%s</pre></td>

                        </tr>

                      </table>''' % str

        try:

            c.changeset = hg_model.get_repo(c.repo_name).get_changeset(revision)

        except RepositoryError:

            log.error(traceback.format_exc())

            return redirect(url('hg_home'))

        else:

            try:

                c.changeset_old = c.changeset.parents[0]

            except IndexError:

                c.changeset_old = None

            c.changes = []

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

            # ADDED FILES

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

            c.sum_added = 0

            for node in c.changeset.added:

                if filenode_old.is_binary or node.is_binary:

                    diff = wrap_to_table(_('binary file'))

                else:

                    c.sum_added += node.size

                    if c.sum_added < cut_off_limit:

                        f_udiff = differ.get_udiff(filenode_old, node)

                        diff = differ.DiffProcessor(f_udiff).as_html()

                    else:

                        diff = wrap_to_table(_('Changeset is to big and was cut'

                                            ' off, see raw changeset instead'))

                cs1 = None

                cs2 = node.last_changeset.short_id                                        

                c.changes.append(('added', node, diff, cs1, cs2))

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

            # CHANGED FILES

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

            c.sum_removed = 0    

            for node in c.changeset.changed:

                try:

                    filenode_old = c.changeset_old.get_node(node.path)

                except ChangesetError:

                if filenode_old.is_binary or node.is_binary:

                    diff = wrap_to_table(_('binary file'))

                else:

                    if c.sum_removed < cut_off_limit:

                        f_udiff = differ.get_udiff(filenode_old, node)

                        diff = differ.DiffProcessor(f_udiff).as_html()

                    else:

                        diff = wrap_to_table(_('Changeset is to big and was cut'

                                            ' off, see raw changeset instead'))

                cs1 = filenode_old.last_changeset.short_id

                cs2 = node.last_changeset.short_id                    

                c.changes.append(('changed', node, diff, cs1, cs2))

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

            # REMOVED FILES    

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

            for node in c.changeset.removed:

                c.changes.append(('removed', node, None, None, None))            

        return render('changeset/changeset.html')

    def raw_changeset(self, revision):

        hg_model = HgModel()

        method = request.GET.get('diff', 'show')

        try:

            c.changeset = hg_model.get_repo(c.repo_name).get_changeset(revision)

        except RepositoryError:

            log.error(traceback.format_exc())

            return redirect(url('hg_home'))

        else:

            try:

                c.changeset_old = c.changeset.parents[0]

				%for cnt,cs in enumerate(c.pagination):

					<div id="chg_${cnt+1}" class="container">

						<div class="left">

							<div class="date">${_('commit')} ${cs.revision}: ${cs.short_id}@${cs.date}</div>

							<div class="author">

								<div class="gravatar">

									<img alt="gravatar" src="${h.gravatar_url(h.email(cs.author),20)}"/>

								</div>

								<span>${h.person(cs.author)}</span><br/>

								<span><a href="mailto:${h.email_or_none(cs.author)}">${h.email_or_none(cs.author)}</a></span><br/>

							</div>

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

						</div>	

						<div class="right">

									<div class="changes">

										<span class="removed" title="${_('removed')}">${len(cs.removed)}</span>

										<span class="changed" title="${_('changed')}">${len(cs.changed)}</span>

										<span class="added" title="${_('added')}">${len(cs.added)}</span>

									</div>					

										%if len(cs.parents)>1:

										<div class="merge">

											${_('merge')}<img alt="merge" src="/images/icons/arrow_join.png"/>

										</div>

										%endif						

									%for p_cs in reversed(cs.parents):

										<div class="parent">${_('Parent')} ${p_cs.revision}: ${h.link_to(p_cs.short_id,

											h.url('changeset_home',repo_name=c.repo_name,revision=p_cs.short_id),title=p_cs.message)}

										</div>

									%endfor

								<span class="logtags">

									<span class="branchtag" title="${'%s %s' % (_('branch'),cs.branch)}">

									${h.link_to(cs.branch,h.url('files_home',repo_name=c.repo_name,revision=cs.short_id))}</span>

									%for tag in cs.tags:

										<span class="tagtag"  title="${'%s %s' % (_('tag'),tag)}">

										${h.link_to(tag,h.url('files_home',repo_name=c.repo_name,revision=cs.short_id))}</span>

									%endfor

								</span>																	

						</div>				

					</div>

				%endfor

				<div class="pagination-wh pagination-left">

					${c.pagination.pager('$link_previous ~2~ $link_next')}

				</div>			

				</div>

			</div>

			<script type="text/javascript" src="/js/graph.js"></script>

			<script type="text/javascript">

				YAHOO.util.Event.onDOMReady(function(){

					function set_canvas() {

						var c = document.getElementById('graph_nodes');

						var t = document.getElementById('graph_content');