#
# This file is part of pretix (Community Edition).
#
# Copyright (C) 2014-2020 Raphael Michel and contributors
# Copyright (C) 2020-2021 rami.io GmbH and contributors
#
# 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 in version 3 of the License.
#
# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
# this file, see <https://pretix.eu/about/en/license>.
#
# 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
# <https://www.gnu.org/licenses/>.
#

# This file is based on an earlier version of pretix which was released under the Apache License 2.0. The full text of
# the Apache License 2.0 can be obtained at <http://www.apache.org/licenses/LICENSE-2.0>.
#
# This file may have since been changed and any changes are released under the terms of AGPLv3 as described above. A
# full history of changes and contributors is available at <https://github.com/pretix/pretix>.
#
# This file contains Apache-licensed contributions copyrighted by: Tobias Kunze
#
# Unless required by applicable law or agreed to in writing, software distributed under the Apache License 2.0 is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under the License.

from django.apps import AppConfig
from django.utils.functional import cached_property
from django.utils.translation import gettext, gettext_lazy as _

from pretix import __version__ as version


class TicketOutputPdfApp(AppConfig):
    name = 'pretix.plugins.ticketoutputpdf'
    verbose_name = _("PDF ticket output")

    class PretixPluginMeta:
        name = _("PDF ticket output")
        author = _("the pretix team")
        version = version
        category = 'FORMAT'
        featured = True
        description = _("Issue tickets as PDF files, usable on any device. Our drag-and-drop editor allows you to "
                        "customize the layout of the PDF files to your brand.")

    def ready(self):
        from . import signals  # NOQA

    @cached_property
    def compatibility_errors(self):
        errs = []
        try:
            import reportlab  # NOQA
        except ImportError:
            errs.append("Python package 'reportlab' is not installed.")
        return errs

    def installed(self, event):
        event.ticket_layouts.get_or_create(
            default=True,
            defaults={
                'name': gettext('Default layout'),
            }
        )