# 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 collections import defaultdict

from webob.exc import HTTPForbidden

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

from pylons.i18n.translation import _

from pylons.controllers.util import redirect

from pylons.decorators import jsonify

from rhodecode.lib.vcs.exceptions import RepositoryError, ChangesetError, \

    ChangesetDoesNotExistError

from rhodecode.lib.vcs.nodes import FileNode

import rhodecode.lib.helpers as h

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseRepoController, render

from rhodecode.lib.utils import EmptyChangeset

from rhodecode.lib.compat import OrderedDict

from rhodecode.lib import diffs

from rhodecode.model.comment import ChangesetCommentsModel

from rhodecode.model.changeset_status import ChangesetStatusModel

from rhodecode.model.meta import Session

from rhodecode.lib.diffs import wrapped_diff

log = logging.getLogger(__name__)

def _update_with_GET(params, GET):

    for k in ['diff1', 'diff2', 'diff']:

        params[k] += GET.getall(k)

def anchor_url(revision, path, GET):

    fid = h.FID(revision, path)

    return h.url.current(anchor=fid, **dict(GET))

def get_ignore_ws(fid, GET):

    ig_ws_global = GET.get('ignorews')

    ig_ws = filter(lambda k: k.startswith('WS'), GET.getall(fid))

    if ig_ws:

        try:

            return int(ig_ws[0].split(':')[-1])

                enable_comments = False

                rev_start = rev_range[0]

                rev_end = rev_range[1]

                rev_ranges = c.rhodecode_repo.get_changesets(start=rev_start,

                                                            end=rev_end)

            else:

                rev_ranges = [c.rhodecode_repo.get_changeset(revision)]

            c.cs_ranges = list(rev_ranges)

            if not c.cs_ranges:

                raise RepositoryError('Changeset range returned empty result')

        except (RepositoryError, ChangesetDoesNotExistError, Exception), e:

            log.error(traceback.format_exc())

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

            return redirect(url('home'))

        c.changes = OrderedDict()

        c.lines_added = 0  # count of lines added

        c.lines_deleted = 0  # count of lines removes

        cumulative_diff = 0

        c.cut_off = False  # defines if cut off limit is reached

        c.comments = []

        c.statuses = []

        c.inline_comments = []

        c.inline_cnt = 0

        # Iterate over ranges (default changeset view is always one changeset)

        for changeset in c.cs_ranges:

                              .get_status(c.rhodecode_db_repo.repo_id,

            c.comments.extend(ChangesetCommentsModel()\

                              .get_comments(c.rhodecode_db_repo.repo_id,

                                            changeset.raw_id))

            inlines = ChangesetCommentsModel()\

                        .get_inline_comments(c.rhodecode_db_repo.repo_id,

                                             changeset.raw_id)

            c.inline_comments.extend(inlines)

            c.changes[changeset.raw_id] = []

            try:

                changeset_parent = changeset.parents[0]

            except IndexError:

                changeset_parent = None

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

            # ADDED FILES

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

            for node in changeset.added:

                fid = h.FID(revision, node.path)

                line_context_lcl = get_line_ctx(fid, request.GET)

                ign_whitespace_lcl = get_ignore_ws(fid, request.GET)

                lim = self.cut_off_limit

                if cumulative_diff > self.cut_off_limit:

                    lim = -1 if limit_off is None else None

        if method == 'download':

            response.content_disposition = 'attachment; filename=%s.patch' \

                                            % revision

        c.parent_tmpl = ''.join(['# Parent  %s\n' % x.raw_id

                                 for x in c.changeset.parents])

        c.diffs = ''

        for x in c.changes:

            c.diffs += x[2]

        return render('changeset/raw_changeset.html')

    @jsonify

    def comment(self, repo_name, revision):

        comm = ChangesetCommentsModel().create(

            text=request.POST.get('text'),

            repo_id=c.rhodecode_db_repo.repo_id,

            user_id=c.rhodecode_user.user_id,

            revision=revision,

            f_path=request.POST.get('f_path'),

            line_no=request.POST.get('line')

        )

        Session.commit()

        if not request.environ.get('HTTP_X_PARTIAL_XHR'):

            return redirect(h.url('changeset_home', repo_name=repo_name,

                                  revision=revision))

        data = {

           'target_id': h.safeid(h.safe_unicode(request.POST.get('f_path'))),

        }

        if comm:

            c.co = comm

            data.update(comm.get_dict())

            data.update({'rendered_text':

                         render('changeset/changeset_comment_block.html')})

        return data

    @jsonify

    def delete_comment(self, repo_name, comment_id):

        co = ChangesetComment.get(comment_id)

        owner = lambda: co.author.user_id == c.rhodecode_user.user_id

        if h.HasPermissionAny('hg.admin', 'repository.admin')() or owner:

            ChangesetCommentsModel().delete(comment=co)

            Session.commit()

            return True

from webhelpers.html.tools import *

from webhelpers.html.builder import make_tag

from webhelpers.html.tags import auto_discovery_link, checkbox, css_classes, \

    end_form, file, form, hidden, image, javascript_link, link_to, \

    link_to_if, link_to_unless, ol, required_legend, select, stylesheet_link, \

    submit, text, password, textarea, title, ul, xml_declaration, radio

from webhelpers.html.tools import auto_link, button_to, highlight, \

    js_obfuscate, mail_to, strip_links, strip_tags, tag_re

from webhelpers.number import format_byte_size, format_bit_size

from webhelpers.pylonslib import Flash as _Flash

from webhelpers.pylonslib.secure_form import secure_form

from webhelpers.text import chop_at, collapse, convert_accented_entities, \

    convert_misc_entities, lchop, plural, rchop, remove_formatting, \

    replace_whitespace, urlify, truncate, wrap_paragraphs

from webhelpers.date import time_ago_in_words

from webhelpers.paginate import Page

from webhelpers.html.tags import _set_input_attrs, _set_id_attr, \

    convert_boolean_attrs, NotGiven, _make_safe_id_component

from rhodecode.lib.annotate import annotate_highlight

from rhodecode.lib.utils import repo_name_slug

from rhodecode.lib.utils2 import str2bool, safe_unicode, safe_str, \

    get_changeset_safe

from rhodecode.lib.markup_renderer import MarkupRenderer

log = logging.getLogger(__name__)

def shorter(text, size=20):

    postfix = '...'

    if len(text) > size:

        return text[:size - len(postfix)] + postfix

    return text

def _reset(name, value=None, id=NotGiven, type="reset", **attrs):

    """

    Reset button

    """

    _set_input_attrs(attrs, type, name, value)

    _set_id_attr(attrs, id, name)

    convert_boolean_attrs(attrs, ["disabled"])

    return HTML.input(**attrs)

reset = _reset

safeid = _make_safe_id_component

    issues are linked to given issue-server, and rest is a changeset link

    if link_ is given, in other case it's a plain text

    :param text_:

    :param repository:

    :param link_: changeset link

    """

    import re

    import traceback

    def escaper(string):

        return string.replace('<', '&lt;').replace('>', '&gt;')

    def linkify_others(t, l):

        urls = re.compile(r'(\<a.*?\<\/a\>)',)

        links = []

        for e in urls.split(t):

            if not urls.match(e):

                links.append('<a class="message-link" href="%s">%s</a>' % (l, e))

            else:

                links.append(e)

        return ''.join(links)

    # urlify changesets - extrac revisions and make link out of them

    text_ = urlify_changesets(escaper(text_), repository)

    try:

        conf = config['app_conf']

        URL_PAT = re.compile(r'%s' % conf.get('issue_pat'))

        if URL_PAT:

            ISSUE_SERVER_LNK = conf.get('issue_server_link')

            ISSUE_PREFIX = conf.get('issue_prefix')

            def url_func(match_obj):

                pref = ''

                if match_obj.group().startswith(' '):

                    pref = ' '

                issue_id = ''.join(match_obj.groups())

                tmpl = (

                '%(pref)s<a class="%(cls)s" href="%(url)s">'

                '%(issue-prefix)s%(id-repr)s'

                '</a>'

                )

                url = ISSUE_SERVER_LNK.replace('{id}', issue_id)

                # wrap not links into final link => link_

                newtext = linkify_others(newtext, link_)

            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

    :param source:

    """

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

                   MarkupRenderer.rst_with_mentions(source))

    :author: marcink

    :copyright: (C) 2011-2012 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 pylons.i18n.translation import _

from rhodecode.lib.utils2 import safe_unicode

from rhodecode.model import BaseModel

log = logging.getLogger(__name__)

class ChangesetStatusModel(BaseModel):

    def __get_changeset_status(self, changeset_status):

        return self._get_instance(ChangesetStatus, changeset_status)

    def get_status(self, repo, revision):

        return self.tip.author

    @property

    def last_change(self):

        return self.scm_instance.last_change

    def comments(self, revisions=None):

        """

        Returns comments for this repository grouped by revisions

        :param revisions: filter query by revisions only

        """

        cmts = ChangesetComment.query()\

            .filter(ChangesetComment.repo == self)

        if revisions:

            cmts = cmts.filter(ChangesetComment.revision.in_(revisions))

        grouped = defaultdict(list)

        for cmt in cmts.all():

            grouped[cmt.revision].append(cmt)

        return grouped

    def statuses(self, revisions=None):

        """

        Returns statuses for this repository

        :param revisions: list of revisions to get statuses for

        :type revisions: list

        """

        statuses = ChangesetStatus.query()\

            .filter(ChangesetStatus.repo == self)

        if revisions:

            statuses = statuses.filter(ChangesetStatus.revision.in_(revisions))

        for stat in statuses.all():

        return grouped

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

    # 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

        """

        CacheInvalidation.set_invalidate(self.repo_name)

    @LazyProperty

    def scm_instance(self):

        return self.__get_instance()

    @property

    def scm_instance_cached(self):

        @cache_region('long_term')

        def _c(repo_name):

            return self.__get_instance()

        rn = self.repo_name

    user_id = Column('user_id', Integer(), ForeignKey('users.user_id'), nullable=False)

    text = Column('text', Unicode(25000), nullable=False)

    modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)

    author = relationship('User', lazy='joined')

    repo = relationship('Repository')

    @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 ChangesetStatus(Base, BaseModel):

    __tablename__ = 'changeset_statuses'

    __table_args__ = (

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'}

    )

    STATUSES = [

        ('not_reviewed', _("Not Reviewed")),  # (no icon) and default

        ('approved', _("Approved")),

        ('rejected', _("Rejected")),

        ('under_review', _("Under Review")),

    ]

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

    repo_id = Column('repo_id', Integer(), ForeignKey('repositories.repo_id'), nullable=False)

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)

    revision = Column('revision', String(40), nullable=False)

    modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)

    author = relationship('User', lazy='joined')

    repo = relationship('Repository')

class ChangesetStatusHistory(Base, BaseModel):

    __tablename__ = 'changeset_statuses_history'

    __table_args__ = (

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'}

    )

    #TODO: check if sqla has a nice history table implementation

    changeset_status_id = Column('changeset_status_id', Integer(), ForeignKey('changeset_statuses.changeset_status_id'), nullable=False, primary_key=True)

    user_id = Column("user_id", Integer(), ForeignKey('users.user_id'), nullable=False, unique=None)

    status = Column('status', String(128), nullable=False)

    modified_at = Column('modified_at', DateTime(), nullable=False, default=datetime.datetime.now)

class Notification(Base, BaseModel):

    __tablename__ = 'notifications'

    __table_args__ = (

        {'extend_existing': True, 'mysql_engine': 'InnoDB',

         'mysql_charset': 'utf8'},

    )

    TYPE_CHANGESET_COMMENT = u'cs_comment'

    TYPE_MESSAGE = u'message'

    TYPE_MENTION = u'mention'

    def delete(self, user, notification):

        # we don't want to remove actual notification just the assignment

        try:

            notification = self.__get_notification(notification)

            user = self.__get_user(user)

            if notification and user:

                obj = UserNotification.query()\

                        .filter(UserNotification.user == user)\

                        .filter(UserNotification.notification

                                == notification)\

                        .one()

                self.sa.delete(obj)

                return True

        except Exception:

            log.error(traceback.format_exc())

            raise

    def get_for_user(self, user):

        user = self.__get_user(user)

        return user.notifications

    def mark_all_read_for_user(self, user):

        user = self.__get_user(user)

        UserNotification.query()\

            .update({'read': True})

    def get_unread_cnt_for_user(self, user):

        user = self.__get_user(user)

        return UserNotification.query()\

                .filter(UserNotification.read == False)\

                .filter(UserNotification.user == user).count()

    def get_unread_for_user(self, user):

        user = self.__get_user(user)

        return [x.notification for x in UserNotification.query()\

                .filter(UserNotification.read == False)\

                .filter(UserNotification.user == user).all()]

    def get_user_notification(self, user, notification):

        user = self.__get_user(user)

        notification = self.__get_notification(notification)

        return UserNotification.query()\

            .filter(UserNotification.notification == notification)\

            .filter(UserNotification.user == user).scalar()

    def make_description(self, notification, show_age=True):

        """

	margin-left: -4px;

	margin-top: 4px;

}

#graph_content .container .mid .message {

	white-space: pre-wrap;

}

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

	text-decoration: none;

}

#content #graph_content .message .revision-link,

#changeset_content .container .message .revision-link

 {

	color:#3F6F9F;

    font-weight: bold !important;

}

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

#changeset_content .container .message .issue-tracker-link{

    color:#3F6F9F;

    font-weight: bold !important;

}

.right .comments-container{

	padding-right: 5px;

	margin-top:1px;

	float:right;

	height:14px;

}

.right .comments-cnt{

    float: left;

    color: rgb(136, 136, 136); 

    padding-right: 2px; 

}

.right .changes{

	clear: both;

}

.right .changes .changed_total {

	display: block;

	float: right;

	text-align: center;

	min-width: 45px;

	cursor: pointer;

	color: #444444;

.comments .comment .meta .user {

    font-weight: bold;

}

.comments .comment .meta .date {

}

.comments .comment .text {

    background-color: #FAFAFA;

}

.comment .text div.rst-block p {

	margin: 0.5em 0px !important;

}

.comments .comments-number{

	padding:0px 0px 10px 0px;

	font-weight: bold;

	color: #666;

	font-size: 16px;

}

/** comment form **/

.comment-form .clearfix{

	background: #EEE;

    -webkit-border-radius: 4px;

    -moz-border-radius: 4px;

    border-radius: 4px;

    padding: 10px;

}

div.comment-form {

    margin-top: 20px;

}

.comment-form strong {

    display: block;

    margin-bottom: 15px;

}

.comment-form textarea {

    width: 100%;

    height: 100px;

    font-family: 'Monaco', 'Courier', 'Courier New', monospace;

}

form.comment-form {

					</div>

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

					<div id="chg_${cnt+1}" class="container ${'tablerow%s' % (cnt%2)}">

						<div class="left">

							<div>

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

							<span class="tooltip" title="${h.age(cs.date)}"><a href="${h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id)}"><span class="changeset_id">${cs.revision}:<span class="changeset_hash">${h.short_id(cs.raw_id)}</span></span></a></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 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">

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

                                        <div class="comments-container">

                                        %if len(c.comments.get(cs.raw_id,[])) > 0:

                                            <div class="comments-cnt" title="${('comments')}">

                                              <a href="${h.url('changeset_home',repo_name=c.repo_name,revision=cs.raw_id,anchor='comment-%s' % c.comments[cs.raw_id][0].comment_id)}">

                                               <div class="comments-cnt">${len(c.comments[cs.raw_id])}</div>

                                               <img src="${h.url('/images/icons/comments.png')}">

                                              </a>

                                            </div>

                                        %endif

                                        </div>

									</div>

								   %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">

									%if len(cs.parents)>1:

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

									%endif

									%if cs.branch:

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

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

									%endfor

</%def>

<%def name="main()">

<div class="box">

    <!-- box / title -->

    <div class="title">

        ${self.breadcrumbs()}

    </div>

    <div class="table">

		<div class="diffblock">

			<div class="code-header">

                <div class="hash">

                 r${c.changeset.revision}:${h.short_id(c.changeset.raw_id)}

                </div>

                <div class="date">

                  ${c.changeset.date}

                </div>

                <div class="diff-actions">

                  <a href="${h.url('raw_changeset_home',repo_name=c.repo_name,revision=c.changeset.raw_id,diff='show')}" title="${_('raw diff')}" class="tooltip"><img class="icon" src="${h.url('/images/icons/page_white.png')}"/></a>

                  <a href="${h.url('raw_changeset_home',repo_name=c.repo_name,revision=c.changeset.raw_id,diff='download')}" title="${_('download diff')}" class="tooltip"><img class="icon" src="${h.url('/images/icons/page_white_get.png')}"/></a>

                  ${c.ignorews_url(request.GET)}

                  ${c.context_url(request.GET)}

                </div>

                <div class="comments-number" style="float:right;padding-right:5px">${len(c.comments)} comment(s) (${c.inline_cnt} ${_('inline')})</div>

		</div>

	    <div id="changeset_content">

			<div class="container">