import logging
from typing import Optional

from aiogram import Bot, F, Router, types
from aiogram.filters import Command
from aiogram.fsm.context import FSMContext
from sqlalchemy.ext.asyncio import AsyncSession

from bot.keyboards.inline.admin_keyboards import (
    get_admin_panel_keyboard,
    get_ban_management_keyboard,
    get_promo_marketing_keyboard,
    get_stats_monitoring_keyboard,
    get_system_functions_keyboard,
    get_user_management_keyboard,
)
from bot.middlewares.i18n import JsonI18n
from bot.services.panel_api_service import PanelApiService
from bot.services.subscription_service import SubscriptionService
from bot.utils.message_queue import get_queue_manager
from config.settings import Settings

from . import broadcast as admin_broadcast_handlers
from . import logs_admin as admin_logs_handlers
from . import statistics as admin_stats_handlers
from . import sync_admin as admin_sync_handlers
from . import user_management as admin_user_mgmnt_handlers
from .promo import bulk as admin_promo_bulk_handlers
from .promo import create as admin_promo_create_handlers
from .promo import manage as admin_promo_manage_handlers

router = Router(name="admin_common_router")


@router.message(Command("admin"))
async def admin_panel_command_handler(
    message: types.Message,
    state: FSMContext,
    settings: Settings,
    i18n_data: dict,
):
    current_lang = i18n_data.get("current_language", settings.DEFAULT_LANGUAGE)
    i18n: Optional[JsonI18n] = i18n_data.get("i18n_instance")
    if not i18n:
        logging.error("i18n missing in admin_panel_command_handler")
        await message.answer("Language service error.")
        return

    await state.clear()
    _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs)
    await message.answer(
        _(key="admin_panel_title"),
        reply_markup=get_admin_panel_keyboard(i18n, current_lang, settings),
    )


@router.callback_query(F.data.startswith("admin_action:"))
async def admin_panel_actions_callback_handler(
    callback: types.CallbackQuery,
    state: FSMContext,
    settings: Settings,
    i18n_data: dict,
    bot: Bot,
    panel_service: PanelApiService,
    subscription_service: SubscriptionService,
    session: AsyncSession,
):
    action_parts = callback.data.split(":")
    action = action_parts[1]

    current_lang = i18n_data.get("current_language", settings.DEFAULT_LANGUAGE)
    i18n: Optional[JsonI18n] = i18n_data.get("i18n_instance")
    if not i18n:
        logging.error("i18n missing in admin_panel_actions_callback_handler")
        await callback.answer("Language error.", show_alert=True)
        return
    _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs)

    if not callback.message:
        logging.error(
            f"CallbackQuery {callback.id} from {callback.from_user.id} has no message for admin_action {action}"  # noqa: E501
        )
        await callback.answer("Error processing action: message context lost.", show_alert=True)
        return

    if action == "stats":
        await admin_stats_handlers.show_statistics_handler(callback, i18n_data, settings, session)
    elif action == "broadcast":
        await admin_broadcast_handlers.broadcast_message_prompt_handler(
            callback, state, i18n_data, settings, session
        )
    elif action == "create_promo":
        await admin_promo_create_handlers.create_promo_prompt_handler(
            callback, state, i18n_data, settings, session
        )
    elif action == "create_bulk_promo":
        await admin_promo_bulk_handlers.create_bulk_promo_prompt_handler(
            callback, state, i18n_data, settings, session
        )
    elif action == "manage_promos":
        await admin_promo_manage_handlers.manage_promo_codes_handler(
            callback, i18n_data, settings, session
        )
    elif action == "view_promos":
        await admin_promo_manage_handlers.view_promo_codes_handler(
            callback, i18n_data, settings, session
        )
    elif action == "ban_user_prompt":
        await admin_user_mgmnt_handlers.ban_user_prompt_handler(
            callback, state, i18n_data, settings, session
        )
    elif action == "unban_user_prompt":
        await admin_user_mgmnt_handlers.unban_user_prompt_handler(
            callback, state, i18n_data, settings, session
        )
    elif action == "users_management":
        # This is deprecated, kept for compatibility
        from . import user_management as admin_user_management_handlers

        await admin_user_management_handlers.user_search_prompt_handler(
            callback, state, i18n_data, settings, session
        )
    elif action == "users_list" and len(action_parts) > 2:
        # Route to users list handler with page number
        from . import user_management as admin_user_management_handlers

        try:
            page = int(action_parts[2])
            await admin_user_management_handlers.users_list_handler(
                callback, i18n_data, settings, session, page
            )
        except (IndexError, ValueError):
            await callback.answer("Invalid page number", show_alert=True)
    elif action == "users_search_prompt":
        from . import user_management as admin_user_management_handlers

        await admin_user_management_handlers.user_search_prompt_handler(
            callback, state, i18n_data, settings, session
        )
    elif action == "view_banned":
        await admin_user_mgmnt_handlers.view_banned_users_handler(
            callback, state, i18n_data, settings, session
        )
    elif action == "view_logs_menu":
        await admin_logs_handlers.display_logs_menu(callback, i18n_data, settings, session)
    elif action == "promo_management":
        await admin_promo_manage_handlers.promo_management_handler(
            callback, i18n_data, settings, session
        )
    elif action == "sync_panel":
        await admin_sync_handlers.sync_command_handler(
            message_event=callback,
            bot=bot,
            settings=settings,
            i18n_data=i18n_data,
            panel_service=panel_service,
            session=session,
        )
    elif action == "queue_status":
        await show_queue_status_handler(callback, i18n_data)
    elif action == "view_payments":
        from . import payments as admin_payments_handlers

        await admin_payments_handlers.view_payments_handler(callback, i18n_data, settings, session)
    elif action == "user_ratings":
        await admin_stats_handlers.show_user_ratings_handler(callback, i18n_data, settings, session)
    elif action == "ads":
        from . import ads as admin_ads_handlers

        await admin_ads_handlers.show_ads_menu(callback, settings, i18n_data, session)
    elif action == "ads_create":
        from . import ads as admin_ads_handlers

        await admin_ads_handlers.ads_create_start(callback, state, settings, i18n_data)
    elif action == "main":
        try:
            await callback.message.edit_text(
                _(key="admin_panel_title"),
                reply_markup=get_admin_panel_keyboard(i18n, current_lang, settings),
            )
        except Exception:
            await callback.message.answer(
                _(key="admin_panel_title"),
                reply_markup=get_admin_panel_keyboard(i18n, current_lang, settings),
            )
        await callback.answer()
    else:
        logging.warning(f"Unknown admin_action received: {action} from callback {callback.data}")
        await callback.answer(_("admin_unknown_action"), show_alert=True)


@router.callback_query(F.data.startswith("admin_section:"))
async def admin_section_handler(
    callback: types.CallbackQuery,
    state: FSMContext,
    settings: Settings,
    i18n_data: dict,
    session: AsyncSession,
):
    section = callback.data.split(":")[1]
    current_lang = i18n_data.get("current_language", settings.DEFAULT_LANGUAGE)
    i18n: Optional[JsonI18n] = i18n_data.get("i18n_instance")
    if not i18n:
        await callback.answer("Language error.", show_alert=True)
        return
    _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs)

    if not callback.message:
        await callback.answer("Error: message context lost.", show_alert=True)
        return

    try:
        if section == "stats_monitoring":
            await callback.message.edit_text(
                _("admin_stats_and_monitoring_section"),
                reply_markup=get_stats_monitoring_keyboard(i18n, current_lang),
            )
        elif section == "user_management":
            await callback.message.edit_text(
                _("admin_user_management_section"),
                reply_markup=get_user_management_keyboard(i18n, current_lang),
            )
        elif section == "ban_management":
            await callback.message.edit_text(
                _("admin_ban_management_section"),
                reply_markup=get_ban_management_keyboard(i18n, current_lang),
            )
        elif section == "promo_marketing":
            await callback.message.edit_text(
                _("admin_promo_marketing_section"),
                reply_markup=get_promo_marketing_keyboard(i18n, current_lang),
            )
        elif section == "system_functions":
            await callback.message.edit_text(
                _("admin_system_functions_section"),
                reply_markup=get_system_functions_keyboard(i18n, current_lang),
            )
        else:
            await callback.answer(_("admin_unknown_action"), show_alert=True)
            return

        await callback.answer()
    except Exception as e:
        logging.error(f"Error handling admin section {section}: {e}")
        await callback.message.answer(
            _("error_occurred_try_again"),
            reply_markup=get_admin_panel_keyboard(i18n, current_lang, settings),
        )
        await callback.answer()


async def show_queue_status_handler(callback: types.CallbackQuery, i18n_data: dict):
    """Show message queue status to admin"""
    current_lang = i18n_data.get("current_language", "ru")
    i18n: Optional[JsonI18n] = i18n_data.get("i18n_instance")
    if not i18n or not callback.message:
        await callback.answer("Error processing request.", show_alert=True)
        return
    _ = lambda key, **kwargs: i18n.gettext(current_lang, key, **kwargs)

    queue_manager = get_queue_manager()
    if not queue_manager:
        from aiogram.utils.keyboard import InlineKeyboardBuilder

        await callback.message.edit_text(
            "❌ Система очередей не инициализирована",
            reply_markup=InlineKeyboardBuilder()
            .button(text=_("back_to_admin_panel_button"), callback_data="admin_action:main")
            .as_markup(),
        )
        await callback.answer()
        return

    try:
        stats = queue_manager.get_queue_stats()

        message_text = _(
            "admin_queue_status_info",
            user_queue_size=stats["user_queue_size"],
            user_processing="✅ Да" if stats["user_queue_processing"] else "❌ Нет",
            user_recent=stats["user_recent_sends"],
            group_queue_size=stats["group_queue_size"],
            group_processing="✅ Да" if stats["group_queue_processing"] else "❌ Нет",
            group_recent=stats["group_recent_sends"],
        )

        from bot.keyboards.inline.admin_keyboards import get_back_to_admin_panel_keyboard

        await callback.message.edit_text(
            message_text,
            reply_markup=get_back_to_admin_panel_keyboard(current_lang, i18n),
            parse_mode="HTML",
        )
        await callback.answer()

    except Exception as e:
        logging.error(f"Error getting queue status: {e}")
        await callback.answer("❌ Ошибка получения статуса очередей", show_alert=True)