# This file is part of Gajim.
#
# Gajim 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.
#
# Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.

import logging

from gi.repository import Gtk

from gajim.plugins.gajimplugin import GajimPluginConfig
from gajim.plugins.plugins_i18n import _

from .. import helper

log = logging.getLogger('gajim.p.stt_voice_messages_sttbox')

class STTBox(Gtk.Box):
    def __init__(self,
                 preview_audio_widget: Gtk.Box,
                 config: GajimPluginConfig,
                 audio_file: str,
                 ) -> None:

        Gtk.Box.__init__(self, orientation=Gtk.Orientation.VERTICAL, spacing=12)

        self._config = config
        self._preview_audio = preview_audio_widget
        self._model = None
        self._audio_file = audio_file
        self._text = ''

        self._transcribe_button = Gtk.Button(label=_('Transcribe'))

        self._transcription_label = Gtk.Label(
            label=_('Nothing transcribed yet'))
        self._transcription_label.set_max_width_chars(40)
        self._transcription_label.set_line_wrap(True)

        self.add(self._transcribe_button)
        self.add(self._transcription_label)

        self._result = helper.Results('')

        self._transcribe_button.connect('clicked', self._on_transcribe_clicked)

        self.show_all()

    def _on_transcribe_clicked(self, _button: Gtk.Button) -> None:
        log.debug('config.data = %s', self._config.data)
        model = self._config.data['model_instance']
        if model is None:
            return

        self._model = model

        transcription_task = helper.BackgroundTask(
            self._model.transcribe(self._result, self._audio_file),
            self._show_result
        )
        transcription_task.start()

    def _show_result(self):
        assert self._model is not  None
        self._text = self._result.text
        if self._text.strip() != '':
            self._transcription_label.set_text(self._text.strip())
        else:
            self._transcription_label.set_text(_('_Have not heard any word!_'))