# 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, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

# MA  02110-1301, USA.

import tempfile

import logging

import rhodecode.lib.helpers as h

from mercurial import archival

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

from pylons.i18n.translation import _

from pylons.controllers.util import redirect

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseController, render

from rhodecode.lib.utils import EmptyChangeset

from rhodecode.model.scm import ScmModel

from vcs.nodes import FileNode

from vcs.utils import diffs as differ

log = logging.getLogger(__name__)

class FilesController(BaseController):

    @LoginRequired()

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

                                   'repository.admin')

    def __before__(self):

        super(FilesController, self).__before__()

        c.cut_off_limit = self.cut_off_limit

    def index(self, repo_name, revision, f_path):

        hg_model = ScmModel()

        c.repo = hg_model.get_repo(c.repo_name)

        try:

            #reditect to given revision from form

            post_revision = request.POST.get('at_rev', None)

            if post_revision:

                post_revision = c.repo.get_changeset(post_revision).raw_id

                redirect(url('files_home', repo_name=c.repo_name,

                             revision=prev_rev, f_path=f_path)

                if c.branch:

                    c.url_prev += '?branch=%s' % c.branch

            except ChangesetDoesNotExistError:

                c.url_prev = '#'

            #next link

            try:

                next_rev = c.repo.get_changeset(cur_rev).next(c.branch).raw_id

                c.url_next = url('files_home', repo_name=c.repo_name,

                         revision=next_rev, f_path=f_path)

                if c.branch:

                    c.url_next += '?branch=%s' % c.branch

            except ChangesetDoesNotExistError:

                c.url_next = '#'

            #files

            try:

                c.files_list = c.changeset.get_node(f_path)

                c.file_history = self._get_history(c.repo, c.files_list, f_path)

            except RepositoryError, e:

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

                redirect(h.url('files_home', repo_name=repo_name, revision=revision))

        except RepositoryError, e:

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

            redirect(h.url('files_home', repo_name=repo_name, revision='tip'))

        return render('files/files.html')

    def rawfile(self, repo_name, revision, f_path):

        hg_model = ScmModel()

        c.repo = hg_model.get_repo(c.repo_name)

        file_node = c.repo.get_changeset(revision).get_node(f_path)

        response.content_type = file_node.mimetype

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

                                                    % f_path.split('/')[-1]

        return file_node.content

    def raw(self, repo_name, revision, f_path):

        hg_model = ScmModel()

        c.repo = hg_model.get_repo(c.repo_name)

        file_node = c.repo.get_changeset(revision).get_node(f_path)

        response.content_type = 'text/plain'

        return file_node.content