# 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 pathlib import Path
from typing import TYPE_CHECKING, Any

from gi.repository import Gtk
import whisper

from gajim.common import app
from gajim.gtk.builder import get_builder
from gajim.gtk.const import Setting, SettingKind, SettingType
from gajim.gtk.settings import SettingsBox
from gajim.gtk.sidebar_switcher import SideBarSwitcher
from gajim.plugins.helpers import get_builder
from gajim.plugins.plugins_i18n import _

from ..models import openai_whisper
from ..configs import *

if TYPE_CHECKING:
    from .. import stt_voice_messages

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


################################################################################
# Helper
################################################################################

def check_module(module: str) -> bool:
    try:
        __import__(module)
        return True
    except ModuleNotFoundError:
        log.debug('Could not find module %s', module)
        return False
    except ImportError as ex:
        log.debug(str(ex))
        return False


################################################################################
# Plugin Settings
################################################################################

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

        self.set_application(app.app)
        self.set_position(Gtk.WindowPosition.CENTER)
        self.set_show_menubar(False)
        self.set_name('PreferencesWindow')
        self.set_default_size(900, 650)
        self.set_resizable(True)
        self.set_title(_('STT Voice Messages - Preferences'))

        ui_path = Path(__file__).parent
        self._ui = get_builder(str(ui_path.resolve() / 'config_dialog.ui'))

        self._prefs: dict[str, PreferenceBox] = {}
        side_bar_switcher = SideBarSwitcher()
        side_bar_switcher.set_stack(self._ui.stack)
        self._ui.grid.attach(side_bar_switcher, 0, 0, 1, 1)
        self.add(self._ui.grid)

        prefs: list[tuple[str, type[PreferenceBox]]] = [
            ('stt_behaviour', STTBehaviour),
            ('models', Models),
            ('file_preview', FilePreview),
            ('whisper_general', OpenAIWhisperGeneral),
        ]

        self._add_prefs(prefs)
        self.show_all()

    def _add_prefs(self, prefs: list[tuple[str, type[PreferenceBox]]]):
        for ui_name, klass in prefs:
            pref_box = getattr(self._ui, ui_name)
            pref = klass(self)  # pyright: ignore
            print("pref = ", pref)
            pref_box.add(pref)
            self._prefs[ui_name] = pref

    def _on_setting(self, value: Any, data: Any) -> None:
        if isinstance(value, str):
            value.strip()
        self.plugin.config[data] = value
        self.plugin.update()


class PreferenceBox(SettingsBox):
    def __init__(self, settings: list[Setting]) -> None:
        SettingsBox.__init__(self, None)
        self.get_style_context().add_class('border')
        self.set_selection_mode(Gtk.SelectionMode.NONE)
        self.set_vexpand(False)
        self.set_valign(Gtk.Align.END)

        for setting in settings:
            self.add_setting(setting)
        self.update_states()


################################################################################
# General Preferences
################################################################################

class STTBehaviour(PreferenceBox):
    def __init__(self, *args: Any) -> None:
        main_window_on_startup_items = {
            'always': _('Always'),
            'never': _('Never'),
            'last_state': _('Restore last state'),
        }

        settings = [
            Setting(SettingKind.POPOVER,
                    _('Show on Startup'),
                    SettingType.CONFIG,
                    'show_main_window_on_startup',
                    props={'entries': main_window_on_startup_items},
                    desc=_('Show window when starting Gajim')),
        ]

        PreferenceBox.__init__(self, settings)


class Models(PreferenceBox):
    def __init__(self, *args: Any) -> None:
        main_window_on_startup_items = {
            'always': _('Always'),
            'never': _('Never'),
            'last_state': _('Restore last state'),
        }

        settings = [
            Setting(SettingKind.POPOVER,
                    _('Show on Startup'),
                    SettingType.CONFIG,
                    'show_main_window_on_startup',
                    props={'entries': main_window_on_startup_items},
                    desc=_('Show window when starting Gajim')),
        ]

        PreferenceBox.__init__(self, settings)


class FilePreview(PreferenceBox):
    def __init__(self, *args: Any) -> None:
        main_window_on_startup_items = {
            'always': _('Always'),
            'never': _('Never'),
            'last_state': _('Restore last state'),
        }

        settings = [
            Setting(SettingKind.POPOVER,
                    _('Show on Startup'),
                    SettingType.CONFIG,
                    'show_main_window_on_startup',
                    props={'entries': main_window_on_startup_items},
                    desc=_('Show window when starting Gajim')),
        ]

        PreferenceBox.__init__(self, settings)


################################################################################
# Whisper Settings UI
################################################################################

class OpenAIWhisperGeneral(PreferenceBox):
    def __init__(self, *args: Any) -> None:
        self.config = PluginConfig().openaiwhisper

        settings = [
            Setting(SettingKind.POPOVER,
                    _('Language Model Size'),
                    SettingType.VALUE,
                    value=str(self.config['model_size']),
                    data='model_size',
                    callback=self._on_setting,
                    props={'entries': whisper.available_models()}),
        ]

        PreferenceBox.__init__(self, settings)

    def _on_setting(self, value: Any, data: Any) -> None:
        print("before: ", self.config)
        self.config[data] = value
        print("after: ", self.config)