from rhodecode.lib.helpers import RepoPage

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

        default = 20

        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)

        c.total_cs = len(c.rhodecode_repo)

        c.pagination = RepoPage(c.rhodecode_repo, page=p,

                                item_count=c.total_cs, items_per_page=c.size,

                                branch_name=branch_name)

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

        return render('changelog/changelog.html')

    def _graph(self, repo, 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

        """

            c.jsdata = json.dumps([])

            return

        revcount = min(repo_size, size)

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

        rev_start = repo.revisions.index(repo.revisions[(-1 * offset)])

        rev_end = max(0, rev_start - revcount)

        dag = graph_rev(repo._repo, rev_start, rev_end)

        c.dag = tree = list(colored(dag))

        for (id, type, ctx, vtx, edges) in tree:

            if type != CHANGESET:

                continue

        c.jsdata = json.dumps(data)

            split_s = 'http://'

        qualified_uri = [split_s] + [url.current(qualified=True)\

                                     .split(split_s)[-1]]

        uri = u'%(proto)s%(user)s%(pass)s%(rest)s' \

                % {'user': username,

                     'pass': password,

                     'proto': qualified_uri[0],

                     'rest': qualified_uri[1]}

        c.clone_repo_url = uri

        c.repo_tags = OrderedDict()

        for name, hash in c.rhodecode_repo.tags.items()[:10]:

            try:

                c.repo_tags[name] = c.rhodecode_repo.get_changeset(hash)

            except ChangesetError:

                c.repo_tags[name] = EmptyChangeset(hash)

        c.repo_branches = OrderedDict()

        for name, hash in c.rhodecode_repo.branches.items()[:10]:

            try:

                c.repo_branches[name] = c.rhodecode_repo.get_changeset(hash)

            except ChangesetError:

                c.repo_branches[name] = EmptyChangeset(hash)

        td = date.today() + timedelta(days=1)

        td_1m = td - timedelta(days=calendar.mdays[td.month])

        td_1y = td - timedelta(days=365)

        ts_min_m = mktime(td_1m.timetuple())

        ts_min_y = mktime(td_1y.timetuple())

        ts_max_y = mktime(td.timetuple())

        if dbrepo.enable_statistics:

            c.no_data_msg = _('No data loaded yet')

            run_task(get_commits_stats, c.dbrepo.repo_name, ts_min_y, ts_max_y)

        else:

            c.no_data_msg = _('Statistics are disabled for this repository')

        c.ts_min = ts_min_m

        c.ts_max = ts_max_y

        stats = self.sa.query(Statistics)\

            .filter(Statistics.repository == dbrepo)\

            .scalar()

        c.stats_percentage = 0

        if stats and stats.languages:

            c.no_data = False is dbrepo.enable_statistics

            c.commit_data = stats.commit_activity

            c.overview_data = stats.commit_activity_combined

            lang_stats = [(x, {"count": y,

                               "desc": LANGUAGES_EXTENSIONS_MAP.get(x)})

            c.trending_languages = json.dumps(OrderedDict(

                                       sorted(lang_stats, reverse=True,

                                            key=lambda k: k[1])[:10]

                                        )

                                    )

            last_rev = stats.stat_on_revision

            c.repo_last_rev = c.rhodecode_repo.count() - 1 \

                if c.rhodecode_repo.revisions else 0

            if last_rev == 0 or c.repo_last_rev == 0:

                pass

            else:

                c.stats_percentage = '%.2f' % ((float((last_rev)) /

                                                c.repo_last_rev) * 100)

        else:

            c.commit_data = json.dumps({})

            c.overview_data = json.dumps([[ts_min_y, 0], [ts_max_y, 10]])

            c.trending_languages = json.dumps({})

            c.no_data = True

        c.enable_downloads = dbrepo.enable_downloads

        if c.enable_downloads:

            c.download_options = self._get_download_links(c.rhodecode_repo)

        return render('summary/summary.html')

    def _get_download_links(self, repo):

        download_l = []

        branches_group = ([], _("Branches"))

        tags_group = ([], _("Tags"))

        for name, chs in c.rhodecode_repo.branches.items():

            #chs = chs.split(':')[-1]

            branches_group[0].append((chs, name),)

        download_l.append(branches_group)

        for name, chs in c.rhodecode_repo.tags.items():

            #chs = chs.split(':')[-1]

            tags_group[0].append((chs, name),)

        download_l.append(tags_group)

        return download_l

				  %endif		            		      

			  </div>

			 </div>

			 <div class="field">

			  <div class="label">

			      <label>${_('Description')}:</label>

			  </div>

			  <div class="input-short">

			      ${c.dbrepo.description}

			  </div>

			 </div>

			 <div class="field">

			  <div class="label">

			      <label>${_('Contact')}:</label>

			  </div>

			  <div class="input-short">

			  	<div class="gravatar">

			  		<img alt="gravatar" src="${h.gravatar_url(c.dbrepo.user.email)}"/>

			  	</div>

			  		${_('Username')}: ${c.dbrepo.user.username}<br/>

			  		${_('Name')}: ${c.dbrepo.user.name} ${c.dbrepo.user.lastname}<br/>

			  		${_('Email')}: <a href="mailto:${c.dbrepo.user.email}">${c.dbrepo.user.email}</a>

			  </div>

			 </div>

			 <div class="field">

			  <div class="label">

			      <label>${_('Last change')}:</label>

			  </div>

			  <div class="input-short">

                  <b>${'r%s:%s' % (h.get_changeset_safe(c.rhodecode_repo,'tip').revision,

                            h.get_changeset_safe(c.rhodecode_repo,'tip').short_id)}</b> - 

			      <span class="tooltip" title="${c.rhodecode_repo.last_change}">

			      ${h.age(c.rhodecode_repo.last_change)}</span><br/>

			      ${_('by')} ${h.get_changeset_safe(c.rhodecode_repo,'tip').author} 

			  </div>

			 </div>

			 <div class="field">

			  <div class="label">

			      <label>${_('Clone url')}:</label>

			  </div>

			  <div class="input-short">

			  </div>

			 </div>

			 <div class="field">

			  <div class="label">

			      <label>${_('Trending source files')}:</label>

			  </div>

			  <div class="input-short">

			    <div id="lang_stats"></div> 			   

			  </div>

			 </div>

			 <div class="field">

			  <div class="label">

			      <label>${_('Download')}:</label>

			  </div>

			  <div class="input-short">

		        %if len(c.rhodecode_repo.revisions) == 0:

		          ${_('There are no downloads yet')}

		        %elif c.enable_downloads is False:

		          ${_('Downloads are disabled for this repository')}

                    %if h.HasPermissionAll('hg.admin')('enable stats on from summary'):

                        [${h.link_to(_('enable'),h.url('edit_repo',repo_name=c.repo_name))}]

                    %endif  		          

		        %else:

			        ${h.select('download_options',c.rhodecode_repo.get_changeset().raw_id,c.download_options)}

			        %for cnt,archive in enumerate(c.rhodecode_repo._get_archives()):

			             %if cnt >=1:

			             |

			             %endif

			             <span class="tooltip" title="${_('Download %s as %s') %('tip',archive['type'])}" 

			                  id="${archive['type']+'_link'}">${h.link_to(archive['type'],

			                h.url('files_archive_home',repo_name=c.dbrepo.repo_name,

			                fname='tip'+archive['extension']),class_="archive_icon")}</span>

			        %endfor

			    %endif

			  </div>

			 </div>

			 <div class="field">

			  <div class="label">

			      <label>${_('Feeds')}:</label>

			  </div>

			  <div class="input-short">

			   %if c.rhodecode_user.username != 'default':

	            ${h.link_to(_('RSS'),h.url('rss_feed_home',repo_name=c.dbrepo.repo_name,api_key=c.rhodecode_user.api_key),class_='rss_icon')}

	            ${h.link_to(_('Atom'),h.url('atom_feed_home',repo_name=c.dbrepo.repo_name,api_key=c.rhodecode_user.api_key),class_='atom_icon')}

	           %else: