# 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/>.

from __future__ import annotations

import logging
from functools import partial
from pathlib import Path

import whisper
from gi.repository import Gtk
from stt_voice_messages.config_dialog import STTVoiceMessagesConfigDialog

from gajim.plugins import GajimPlugin
from gajim.plugins.plugins_i18n import _

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


class STTVoiceMessagesPlugin(GajimPlugin):
    def init(self) -> None:
        self.description = _('Transcribes voice messages to text.')
        self.config_dialog = partial(STTVoiceMessagesConfigDialog, self)

        self.gui_extension_points = {
            'preview_audio': (self._preview_audio_created, None),
        }

        self.config_default_values = {
            'use_multilanguage_model': (True, ''),
            'model_size': ('base', '')
        }

        self._audio_file = None
        self._preview_audio_widget = None
        self._stt_box = None

    def _preview_audio_created(self,
                           preview_audio_widget: Gtk.Box,
                           audio_file: Path
                           ) -> None:
        self._preview_audio_widget = preview_audio_widget
        self._audio_file = audio_file.as_posix()
        self._create_stt_box()

    def _create_stt_box(self) -> None:
        assert self._preview_audio_widget is not None
        self._stt_box = STTBox(self._preview_audio_widget,
                                self.config,
                                self._audio_file)
        self._preview_audio_widget.pack_end(self._stt_box, False, False, 0)

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

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

        self._config = config
        self._preview_audio = preview_audio_widget
        self._audio_file = audio_file

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

        self.show_all()


    def _on_transcribe_clicked(self, _button: Gtk.Button):
        text = self._trascribe_by_whisper()
        if text.strip() != '':
            self._transcription_label.set_text(text.strip())
        else:
            self._transcription_label.set_text(_('_Have not heard any word!_'))

    def _trascribe_by_whisper(self) -> str:
        model = whisper.load_model(self._config['model_size'])
        result = model.transcribe(self._audio_file)
        text = result["text"]
        return text