# 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

from typing import Any
from typing import TYPE_CHECKING

from gi.repository import Gtk

from gajim.gtk.const import Setting
from gajim.gtk.const import SettingKind
from gajim.gtk.const import SettingType
from gajim.gtk.settings import SettingsDialog
from gajim.plugins.plugins_i18n import _

if TYPE_CHECKING:
    from ..stt_voice_messages import STTVoiceMessagesPlugin


class STTVoiceMessagesConfigDialog(SettingsDialog):
    def __init__(self, plugin: STTVoiceMessagesPlugin, parent: Gtk.Window) -> None:

        self.plugin = plugin
        model = plugin.model

        if not model.available():
            status = _('onnx-asr is not installed. Run: pip install "onnx-asr[hub]"')
        elif model.is_loaded:
            status = _("Model is loaded.")
        elif model.will_download:
            status = _("Model files will be downloaded on first use.")
        else:
            status = _("Model files are downloaded and ready.")

        settings = [
            Setting(
                SettingKind.SWITCH,
                _("Transcribe automatically"),
                SettingType.VALUE,
                bool(plugin.config["auto_transcribe"]),
                callback=self._on_setting,
                data="auto_transcribe",
                desc=_("Transcribe voice messages as soon as they are displayed"),
            ),
            Setting(
                SettingKind.ENTRY,
                _("Model"),
                SettingType.VALUE,
                str(plugin.config["model_id"]),
                callback=self._on_setting,
                data="model_id",
                desc=_("onnx-asr model name or Hugging Face repository"),
            ),
            Setting(
                SettingKind.DROPDOWN,
                _("Quantization"),
                SettingType.VALUE,
                str(plugin.config["quantization"]),
                callback=self._on_setting,
                data="quantization",
                props={
                    "data": {
                        "int8": _("int8 (fast, ~600 MB download)"),
                        "fp32": _("Full precision (~2.4 GB download)"),
                    }
                },
                desc=_("Applied the next time the model is loaded"),
            ),
            Setting(SettingKind.GENERIC, _("Status"), SettingType.VALUE, desc=status),
        ]

        SettingsDialog.__init__(
            self,
            parent,
            _("STT Voice Messages Configuration"),
            Gtk.DialogFlags.MODAL,
            settings,
            "",
        )

    def _on_setting(self, value: Any, data: Any) -> None:
        self.plugin.config[data] = value
        if data in ("model_id", "quantization"):
            self.plugin.model.set_config(
                str(self.plugin.config["model_id"]),
                str(self.plugin.config["quantization"]),
            )