from vcs.exceptions import ChangesetError

from pylons import tmpl_context as c, request, url

from pylons.i18n.translation import _

from rhodecode.model.db import Statistics, Repository

from rhodecode.model.repo import RepoModel

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseRepoController, render

from rhodecode.lib.utils import EmptyChangeset

from rhodecode.lib.odict import OrderedDict

from rhodecode.lib.celerylib import run_task

from rhodecode.lib.celerylib.tasks import get_commits_stats, \

    LANGUAGES_EXTENSIONS_MAP

from rhodecode.lib.helpers import RepoPage

try:

    import json

except ImportError:

    #python 2.5 compatibility

    import simplejson as json

log = logging.getLogger(__name__)

class SummaryController(BaseRepoController):

    @LoginRequired()

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

                                   'repository.admin')

    def __before__(self):

        super(SummaryController, self).__before__()

    def index(self, repo_name):

        e = request.environ

        c.dbrepo = dbrepo = c.rhodecode_db_repo

        c.following = self.scm_model.is_following_repo(repo_name,

                                                self.rhodecode_user.user_id)

        def url_generator(**kw):

            return url('shortlog_home', repo_name=repo_name, size=10, **kw)

        c.repo_changesets = RepoPage(c.rhodecode_repo, page=1,

                                     items_per_page=10, url=url_generator)

        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

            lang_stats_d = json.loads(stats.languages)

            c.commit_data = stats.commit_activity

            c.overview_data = stats.commit_activity_combined

                               "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