import logging
from html import escape

from aiogram import Bot

from config import settings

logger = logging.getLogger(__name__)


async def _send_admin_log(bot: Bot, topic_id: int | None, text: str) -> None:
    if settings.admin_log_chat_id is None or topic_id is None:
        return

    try:
        await bot.send_message(
            settings.admin_log_chat_id,
            text,
            message_thread_id=topic_id,
            disable_web_page_preview=True,
        )
    except Exception:
        logger.warning("Failed to send admin log notification", exc_info=True)


def _format_username(username: str | None) -> str:
    if not username:
        return "-"
    return "@" + escape(username)


async def notify_deposit(
    bot: Bot,
    *,
    user_id: int,
    amount: int,
    balance_before: int,
    balance_after: int,
    bill_id: int,
    payment_id: str,
) -> None:
    await _send_admin_log(
        bot,
        settings.admin_log_deposit_topic_id,
        "\n".join(
            [
                "<b>Пополнение баланса</b>",
                f"Пользователь: <code>{user_id}</code>",
                f"Сумма: <b>{amount}₽</b>",
                f"Баланс: {balance_before}₽ -> {balance_after}₽",
                f"Bill ID: <code>{bill_id}</code>",
                f"Payment ID: <code>{escape(payment_id)}</code>",
            ]
        ),
    )


async def notify_subscription_purchase(
    bot: Bot,
    *,
    user_id: int,
    username: str | None,
    amount: int,
    balance_before: int,
    balance_after: int,
    devices: int,
    duration_days: int,
    whitelists: bool,
    credit: int,
) -> None:
    lines = [
        "<b>Покупка подписки</b>",
        f"Пользователь: <code>{user_id}</code> ({_format_username(username)})",
        f"Стоимость: <b>{amount}₽</b>",
        f"Баланс: {balance_before}₽ -> {balance_after}₽",
        f"Устройства: {devices}",
        f"Срок: {duration_days} дн.",
        f"Whitelist: {'да' if whitelists else 'нет'}",
    ]
    if credit > 0:
        lines.append(f"Зачет неиспользованных дней: {credit}₽")

    await _send_admin_log(bot, settings.admin_log_subscriptions_topic_id, "\n".join(lines))


async def notify_subscription_renewal(
    bot: Bot,
    *,
    user_id: int,
    amount: int,
    balance_before: int,
    balance_after: int,
    devices: int,
    duration_days: int,
    whitelists: bool,
    end_date: str,
) -> None:
    await _send_admin_log(
        bot,
        settings.admin_log_subscriptions_topic_id,
        (
            "<b>Продление подписки</b>",
            f"Пользователь: <code>{user_id}</code>",
            f"Стоимость: <b>{amount}₽</b>",
            f"Баланс: {balance_before}₽ -> {balance_after}₽",
            f"Устройства: {devices}",
            f"Срок: {duration_days} дн.",
            f"Whitelist: {'да' if whitelists else 'нет'}",
            f"Новая дата окончания: {escape(end_date)}",
        ),
    )