# prefix for non repository related links needs to be prefixed with `/`

ADMIN_PREFIX = '/_admin'

def make_map(config):

    """Create, configure and return the routes Mapper"""

    rmap = Mapper(directory=config['pylons.paths']['controllers'],

                 always_scan=config['debug'])

    rmap.minimization = False

    rmap.explicit = False

    from rhodecode.lib.utils import is_valid_repo

    from rhodecode.lib.utils import is_valid_repos_group

    def check_repo(environ, match_dict):

        """

        check for valid repository for proper 404 handling

        :param environ:

        :param match_dict:

        """

        from rhodecode.model.db import Repository

        repo_name = match_dict.get('repo_name')

        try:

            by_id = repo_name.split('_')

            if len(by_id) == 2 and by_id[1].isdigit() and by_id[0] == '':

                repo_name = Repository.get(by_id[1]).repo_name

                match_dict['repo_name'] = repo_name

        except:

            pass

        return is_valid_repo(repo_name, config['base_path'])

    def check_group(environ, match_dict):

        """

        check for valid repositories group for proper 404 handling

        :param environ:

        :param match_dict:

        """

        repos_group_name = match_dict.get('group_name')

        return is_valid_repos_group(repos_group_name, config['base_path'])

    def check_int(environ, match_dict):

        return match_dict.get('id').isdigit()

        """

        Safe way to get changeset if error occur it redirects to tip with

        proper message

        :param rev: revision to fetch

        :param repo_name: repo name to redirect after

        """

        try:

            return c.rhodecode_repo.get_changeset(rev)

        except RepositoryError, e:

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

            redirect(h.url('shortlog_home', repo_name=repo_name))

    def index(self, repo_name, revision=None, f_path=None):

        p = safe_int(request.params.get('page', 1), 1)

        size = safe_int(request.params.get('size', 20), 20)

        def url_generator(**kw):

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

        collection = c.rhodecode_repo

        c.file_history = f_path

        if f_path:

            # get the history for the file !

            tip_cs = c.rhodecode_repo.get_changeset()

            try:

                collection = tip_cs.get_file_history(f_path)

            except (NodeDoesNotExistError, ChangesetError):

                #this node is not present at tip !

                try:

                    cs = self.__get_cs_or_redirect(revision, repo_name)

                    collection = cs.get_file_history(f_path)

                except RepositoryError, e:

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

                    redirect(h.url('shortlog_home', repo_name=repo_name))

            collection = list(reversed(collection))

        c.repo_changesets = RepoPage(collection, page=p,

                                    items_per_page=size, url=url_generator)

        page_revisions = [x.raw_id for x in list(collection)]

        c.statuses = c.rhodecode_db_repo.statuses(page_revisions)

        if not c.repo_changesets:

            h.flash(_('There are no changesets yet'), category='warning')

            return redirect(url('summary_home', repo_name=repo_name))

        c.shortlog_data = render('shortlog/shortlog_data.html')