# GNU MediaGoblin -- federated, autonomous media hosting
# Copyright (C) 2011 Free Software Foundation, Inc
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.


from webob import Response, exc
from werkzeug.utils import secure_filename

from mediagoblin.decorators import require_active_login
from mediagoblin.submit import forms as submit_forms


@require_active_login
def submit_start(request):
    """
    First view for submitting a file.
    """
    submit_form = submit_forms.SubmitStartForm()

    if request.method == 'POST' and submit_form.validate():
        # create entry and save in database
        entry = request.db.MediaEntry()
        entry['title'] = request.POST['title']
        entry['description'] = request.POST.get(['description'])
        entry['media_type'] = u'image' # heh
        entry['uploader'] = request.user

        # Save, just so we can get the entry id for the sake of using
        # it to generate the file path
        entry.save(validate=False)

        # Now store generate the queueing related filename
        queue_filepath = request.app.queue_store.get_unique_filepath(
            ['media_entries',
             unicode(request.user['_id']),
             unicode(entry['_id']),
             secure_filename(request.POST['file'].filename)])

        # queue appropriately
        queue_file = request.app.queue_store.get_file(
            queue_filepath, 'wb')

        queue_file.write(request.POST['file'].file.read())

        # Add queued filename to the entry
        entry.setdefault('queue_files', []).add(queue_filepath)
        entry.save(validate=True)

        # redirect
        return exc.HTTPFound(
            location=request.urlgen("mediagoblin.submit.submit_success"))

    # render
    template = request.template_env.get_template(
        'mediagoblin/submit/start.html')
    return Response(
        template.render(
            {'request': request,
             'submit_form': submit_form}))


@require_active_login
def submit_success(request):
    # render
    template = request.template_env.get_template(
        'mediagoblin/submit/success.html')
    return Response(
        template.render(
            {'request': request}))