"""Admin handler for spa-telegram-bot — secure with password."""
from aiogram import Router, F
from aiogram.types import Message, CallbackQuery, InlineKeyboardMarkup, InlineKeyboardButton
from aiogram.filters import Command, CommandObject
from aiogram import Bot

from app.config import USE_POSTGRES
from app.config import ADMIN_PASSWORD, BOT_TOKEN
from app.logger import logger

router = Router()

ADMIN_IDS = {991309145}
_approved = set()
_notify_bot = None


def _get_bot():
    global _notify_bot
    if _notify_bot is None:
        _notify_bot = Bot(token=BOT_TOKEN)
    return _notify_bot


def is_admin(user_id: int, password: str | None = None) -> bool:
    if user_id in ADMIN_IDS:
        return True
    if user_id in _approved:
        return True
    if password and password == ADMIN_PASSWORD:
        _approved.add(user_id)
        return True
    return False


@router.message(Command("admin"))
async def admin_panel(message: Message, command: CommandObject):
    uid = message.from_user.id
    password = command.args

    if not is_admin(uid, password):
        return

    logger.info("Admin {uid} opened admin panel", uid=uid)

    if USE_POSTGRES:
        from app.db.postgres import PostgresDB
        active = await PostgresDB.get_all_active_bookings()
    else:
        from app.db.memory import load_bookings
        bookings = load_bookings()
        active = [b for b in bookings if b.get("status") == "active"]

    if not active:
        await message.answer("\U0001f4cb \u0410\u043a\u0442\u0438\u0432\u043d\u044b\u0445 \u0437\u0430\u043f\u0438\u0441\u0435\u0439 \u043d\u0435\u0442")
        return

    for booking in active:
        buttons = [[
            InlineKeyboardButton(
                text="\u274c \u041e\u0442\u043c\u0435\u043d\u0438\u0442\u044c",
                callback_data=f"admin_cancel_{booking['id']}"
            )
        ]]
        user_name = booking.get("user_name") or f"id{booking['user_id']}"
        text = (
            "\U0001f4cb \u0417\u0430\u043f\u0438\u0441\u044c #" + str(booking['id']) + "\n"
            "\U0001f464 \u041a\u043b\u0438\u0435\u043d\u0442: " + user_name + "\n"
            "\U0001f486 \u0423\u0441\u043b\u0443\u0433\u0430: " + booking.get('service', '?') + "\n"
            "\U0001f464 \u041c\u0430\u0441\u0442\u0435\u0440: " + booking.get('master', '?') + "\n"
            "\U0001f4c5 \u0414\u0430\u0442\u0430: " + booking.get('date', '?') + "\n"
            "\U0001f552 \u0412\u0440\u0435\u043c\u044f: " + booking.get('time', '?')
        )
        await message.answer(text, reply_markup=InlineKeyboardMarkup(inline_keyboard=buttons))


@router.callback_query(F.data.startswith("admin_cancel_"))
async def admin_cancel_booking(callback: CallbackQuery):
    if not is_admin(callback.from_user.id):
        await callback.answer("\u26d4 \u041d\u0435\u0442 \u0434\u043e\u0441\u0442\u0443\u043f\u0430")
        return

    booking_id = int(callback.data.split("_")[2])
    logger.info("Admin {uid} cancelled booking #{bid}", uid=callback.from_user.id, bid=booking_id)

    if USE_POSTGRES:
        from app.db.postgres import PostgresDB
        success = await PostgresDB.cancel_booking(booking_id)
        booking = await PostgresDB.get_booking_by_id(booking_id) if success else None
    else:
        from app.db.memory import cancel_booking as json_cancel, load_bookings
        success = json_cancel(booking_id)
        bookings = load_bookings()
        booking = next((b for b in bookings if b["id"] == booking_id), None)

    if not success:
        await callback.message.edit_text("\u0417\u0430\u043f\u0438\u0441\u044c \u043d\u0435 \u043d\u0430\u0439\u0434\u0435\u043d\u0430 \u0438\u043b\u0438 \u0443\u0436\u0435 \u043e\u0442\u043c\u0435\u043d\u0435\u043d\u0430")
        await callback.answer()
        return

    await callback.message.edit_text("\u2705 \u0417\u0430\u043f\u0438\u0441\u044c #" + str(booking_id) + " \u043e\u0442\u043c\u0435\u043d\u0435\u043d\u0430 \u0430\u0434\u043c\u0438\u043d\u043e\u043c")

    if booking:
        try:
            bot = _get_bot()
            user_id = booking["user_id"]
            notify_text = (
                "\u26a0\ufe0f \u0412\u0430\u0448\u0430 \u0437\u0430\u043f\u0438\u0441\u044c \u043e\u0442\u043c\u0435\u043d\u0435\u043d\u0430 \u0430\u0434\u043c\u0438\u043d\u0438\u0441\u0442\u0440\u0430\u0442\u043e\u0440\u043e\u043c.\n\n"
                "\U0001f486 \u0423\u0441\u043b\u0443\u0433\u0430: " + booking.get('service', '?') + "\n"
                "\U0001f464 \u041c\u0430\u0441\u0442\u0435\u0440: " + booking.get('master', '?') + "\n"
                "\U0001f4c5 \u0414\u0430\u0442\u0430: " + booking.get('date', '?') + "\n"
                "\U0001f552 \u0412\u0440\u0435\u043c\u044f: " + booking.get('time', '?') + "\n\n"
                "\U0001f4cb \u0427\u0442\u043e\u0431\u044b \u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c\u0441\u044f \u0441\u043d\u043e\u0432\u0430, \u043d\u0430\u0436\u043c\u0438\u0442\u0435 \u00ab\u0417\u0430\u043f\u0438\u0441\u0430\u0442\u044c\u0441\u044f\u00bb"
            )
            await bot.send_message(user_id, notify_text)
            logger.info("Notified user {uid} about cancellation", uid=user_id)
        except Exception as e:
            logger.warning("Failed to notify user: {err}", err=e)

    await callback.answer()