# SPDX-License-Identifier: GPL-3.0-or-later

# Proxy web UI options page.
#
# This file is part of Hydrilla&Haketilo.
#
# Copyright (C) 2022 Wojtek Kosior
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
#
# I, Wojtek Kosior, thereby promise not to sue for violation of this
# file's license. Although I request that you do not make use of this
# code in a proprietary program, I am not going to enforce this in
# court.

# Enable using with Python 3.7.
from __future__ import annotations

import typing as t

import flask
import werkzeug

from .. import state as st
from . import _app


bp = flask.Blueprint('options', __package__)

@bp.route('/options', methods=['GET'])
def options(errors: t.Mapping[str, bool] = {}) -> werkzeug.Response:
    html = flask.render_template(
        'options.html.jinja',
        settings = _app.get_haketilo_state().get_settings(),
        **errors
    )
    return flask.make_response(html, 200)

@bp.route('/options', methods=['POST'])
def options_post() -> werkzeug.Response:
    action = flask.request.form['action']

    state = _app.get_haketilo_state()

    if action == 'use_enabled':
        state.update_settings(mapping_use_mode=st.MappingUseMode.WHEN_ENABLED)
    elif action == 'use_auto':
        state.update_settings(mapping_use_mode=st.MappingUseMode.AUTO)
    elif action == 'use_question':
        state.update_settings(mapping_use_mode=st.MappingUseMode.QUESTION)
    elif action == 'allow_scripts':
        state.update_settings(default_allow_scripts=True)
    elif action == 'block_scripts':
        state.update_settings(default_allow_scripts=False)
    else:
        raise ValueError()

    return flask.redirect(flask.url_for('.options'), 303)