# -*- coding: utf-8 -*-

"""

    rhodecode.controllers.changelog

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    changelog controller for rhodecode

    :created_on: Apr 21, 2010

    :author: marcink

    :copyright: (C) 2010-2012 Marcin Kuzminski <marcin@python-works.com>

    :license: GPLv3, see COPYING for more details.

"""

# 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, either version 3 of the License, or

# (at your option) any later version.

#

# 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 logging

import traceback

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, ChangesetError, \

ChangesetDoesNotExistError,BranchDoesNotExistError

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

    def index(self):

        limit = 100

        if request.params.get('size'):

            try:

                int_size = int(request.params.get('size'))

            except ValueError:

                int_size = default

            int_size = int_size if int_size <= limit else limit

            c.size = int_size

            session['changelog_size'] = c.size

            session.save()

        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:

                collection = list(c.rhodecode_repo)

                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

        c.branch_filters = [('',_('All Branches'))] + \

            [(k,k) for k in c.rhodecode_repo.branches.keys()]

        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

        revcount = min(repo_size, size)

        offset = 1 if p == 1 else  ((p - 1) * revcount + 1)

        try:

            rev_end = collection.index(collection[(-1 * offset)])

        except IndexError:

            rev_end = collection.index(collection[-1])

        rev_start = max(0, rev_end - revcount)

        data = []

        rev_end += 1

        if repo.alias == 'git':

            for _ in xrange(rev_start, rev_end):

                vtx = [0, 1]

                edges = [[0, 0, 1]]

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

        elif repo.alias == 'hg':

            revs = list(reversed(xrange(rev_start, rev_end)))

            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)

}

#changeset_compare_view_content .compare_view_commits td {

	padding: 0px 0px 0px 12px !important;

}

#changeset_content .container .right {

	float: right;

	width: 20%;

	text-align: right;

}

#changeset_content .container .left .message {

	font-style: italic;

	color: #556CB5;

	white-space: pre-wrap;

}

#changeset_content .container .left .message a:hover {

	text-decoration: none;

}

.cs_files .cur_cs {

	margin: 10px 2px;

	font-weight: bold;

}

.cs_files .node {

	float: left;

}

.cs_files .changes {

	float: right;

	color:#003367;

}

.cs_files .changes .added {

	background-color: #BBFFBB;

	float: left;

	text-align: center;

	font-size: 9px;

    padding: 2px 0px 2px 0px;

}

.cs_files .changes .deleted {

	background-color: #FF8888;

	float: left;

	text-align: center;

	font-size: 9px;

    padding: 2px 0px 2px 0px;

}

.cs_files .cs_added {

	background: url("../images/icons/page_white_add.png") no-repeat scroll

		3px;

	height: 16px;

	padding-left: 20px;

	margin-top: 7px;

	text-align: left;

}

.cs_files .cs_changed {

	background: url("../images/icons/page_white_edit.png") no-repeat scroll

		3px;

	height: 16px;

	padding-left: 20px;

	margin-top: 7px;

	text-align: left;

}

.cs_files .cs_removed {

	background: url("../images/icons/page_white_delete.png") no-repeat

		scroll 3px;

	height: 16px;

	padding-left: 20px;

	margin-top: 7px;

	text-align: left;

}

#graph {

	overflow: hidden;

}

#graph_nodes {

	float: left;

	margin-right: -6px;

	margin-top: 0px;

}

#graph_content {

	width: 80%;

	float: left;

}

#graph_content .container_header {

	border: 1px solid #CCC;

	padding: 10px;

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

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

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

}

#graph_content #rev_range_container {

}

#graph_content .container {

	border-bottom: 1px solid #CCC;

	border-left: 1px solid #CCC;

	border-right: 1px solid #CCC;

	height: 60px;

	overflow: hidden;

}

#graph_content .container .right {

	float: right;

	width: 23%;

	text-align: right;

}

#graph_content .container .left {

	float: left;

	width: 25%;

	padding-left: 5px;

}

#graph_content .container .mid {

	float: left;

	width: 49%;

}

#graph_content .container .left .date {

	color: #444444;

	f_ont-weight: 700;

	p_adding-bottom: 5px;

}

#graph_content .container .left .date span {

	vertical-align: text-top;

}

#graph_content .container .left .author {

	height: 22px;

}

#graph_content .container .left .author .user {

	color: #444444;

	float: left;

	margin-left: -4px;

	margin-top: 4px;

}

#graph_content .container .left .message {

	font-size: 100%;

	padding-top: 3px;

	white-space: pre-wrap;

	border: 1px solid red;

	position: relative;

	top: -30px;

	left: 40%;

	width: 30%;

}

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

	text-decoration: none;

}

.right div {

	clear: both;

}

.right .changes .changed_total {

	border: 0px solid #DDD;

	display: block;

	float: right;

	text-align: center;

	min-width: 45px;

	cursor: pointer;

	background: #FD8;

	font-weight: bold;

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

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

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

	padding: 2px;	

}

.right .changes .added,.changed,.removed {

	border: 1px solid #DDD;

	display: block;

	float: right;

	text-align: center;

	min-width: 15px;

	cursor: help;

}

.right .changes .large {

	border: 1px solid #DDD;

	display: block;

	float: right;

## -*- coding: utf-8 -*-

<%inherit file="/base/base.html"/>

<%def name="title()">

${c.repo_name} ${_('Changelog')} - ${c.rhodecode_name}

</%def>

<%def name="breadcrumbs_links()">

    ${h.link_to(u'Home',h.url('/'))}

    »

    ${h.link_to(c.repo_name,h.url('summary_home',repo_name=c.repo_name))}

    »

    ${_('Changelog')} - ${_('showing ')} ${c.size if c.size <= c.total_cs else c.total_cs} ${_('out of')} ${c.total_cs} ${_('revisions')}  

</%def>

<%def name="page_nav()">

	${self.menu('changelog')}     

</%def>

<%def name="main()">

<div class="box">

    <!-- box / title -->

    <div class="title">

        ${self.breadcrumbs()}

    </div>

    <div class="table">

		% if c.pagination:

			<div id="graph">

				<div id="graph_nodes">

					<canvas id="graph_canvas"></canvas>

				</div>

				<div id="graph_content">

					<div class="container_header">

				        ${h.form(h.url.current(),method='get')}

				        <div class="info_box" style="float:left">

				          ${h.submit('set',_('Show'),class_="ui-btn")}

				          ${h.text('size',size=1,value=c.size)}

				        </div>

				        ${h.end_form()}

                    <div style="float:right">${h.select('branch_filter',c.branch_name,c.branch_filters)}</div>

					</div>

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

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

						<div class="left">

							<div class="date">

							${h.checkbox(cs.short_id,class_="changeset_range")}

							<span>${cs.revision}: ${h.short_id(cs.raw_id)}<br/>${cs.date}</span>

							</div>

							<div class="author">

								<div class="gravatar">

									<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>

						<div class="mid">

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

						</div>	

						<div class="right">

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

                                        <span id="${cs.raw_id}" class="changed_total tooltip" title="${_('Affected number of files, click to show more details')}">${len(cs.affected_files)}</span>

									</div>					

										%if len(cs.parents)>1:

										<div class="merge">${_('merge')}</div>

										%endif

								   %if cs.parents:							

									%for p_cs in reversed(cs.parents):

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

										</div>

									%endfor

								   %else:	

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

                                   %endif  

								<span class="logtags">

									%if cs.branch:

									<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.raw_id))}</span>

									%endif

									%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.raw_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="${h.url('/js/graph.js')}"></script>

			<script type="text/javascript">

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

                    //Monitor range checkboxes and build a link to changesets

                    //ranges 

                    var checkboxes = YUD.getElementsByClassName('changeset_range');

                    var url_tmpl = "${h.url('changeset_home',repo_name=c.repo_name,revision='__REVRANGE__')}";

                    YUE.on(checkboxes,'click',function(e){      

                        var checked_checkboxes = [];

                        for (pos in checkboxes){

                            if(checkboxes[pos].checked){

                                checked_checkboxes.push(checkboxes[pos]);

                            }

                        }

                        if(checked_checkboxes.length>1){

                        	var rev_end = checked_checkboxes[0].name;

                        	var rev_start = checked_checkboxes[checked_checkboxes.length-1].name;

                            var url = url_tmpl.replace('__REVRANGE__',

                            		rev_start+'...'+rev_end);

                        var link = "<a href="+url+">${_('Show selected changes __S -> __E')}</a>"

                        link = link.replace('__S',rev_start);

                        link = link.replace('__E',rev_end);

                        YUD.get('rev_range_container').innerHTML = link;

                        YUD.setStyle('rev_range_container','display','');

                        }

                        else{

                        	YUD.setStyle('rev_range_container','display','none');

                        }

                    });					

                    // Fetch changeset details 

                    YUE.on(YUD.getElementsByClassName('changed_total'),'click',function(e){

                    	var id = e.currentTarget.id

                    	var url = "${h.url('changelog_details',repo_name=c.repo_name,cs='__CS__')}"

                    	var url = url.replace('__CS__',id);

                    	ypjax(url,id+'_changes_info',function(){tooltip_activate()});