"""Сервис пользователей."""

from __future__ import annotations

from aiogram.types import ChatMemberUpdated, Message, User

from bot.services.economy import ACTION_USER_DELETED
from common.analytics import EventType, record
from common.models import NickEntry, UserInfo
from common.repositories import economy_repo, users_repo


def _user_fields(user: User) -> tuple[int, str, str, str]:
    return (
        int(user.id),
        user.username or "",
        user.first_name or "",
        user.last_name or "",
    )


async def register_from_message(message: Message) -> None:
    """Зарегистрировать/обновить автора сообщения."""
    user = message.from_user
    if user is None or user.is_bot:
        return
    await users_repo.add_user(*_user_fields(user))


async def register_from_event(event: ChatMemberUpdated) -> None:
    """Зарегистрировать/обновить участника, вошедшего в чат."""
    user = event.new_chat_member.user
    if user.is_bot:
        return
    await users_repo.add_user(*_user_fields(user))
    record(
        EventType.JOIN,
        user_id=user.id,
        username=user.username,
        chat_id=event.chat.id,
        payload={"chat_title": event.chat.title or ""},
    )


async def set_nick(id_user: int, nick: str) -> None:
    await users_repo.set_nick_with_history(id_user, nick, editor_id=id_user, source="user")
    record(EventType.NICK_SET, user_id=id_user, payload={"nick": nick})


async def delete_user(id_user: int) -> None:
    """Удалить пользователя и зафиксировать обнуление баланса.

    Баланс читается **до** удаления: ``bot.del_user_by_id`` обнуляет его записью
    в журнал ``money``.
    """
    balance = await economy_repo.get_money(id_user)
    await users_repo.del_user_by_id(id_user)
    if balance:
        record(
            EventType.MONEY_SPEND,
            user_id=id_user,
            payload={"amount": abs(balance), "reason": "user_deleted", "action_id": ACTION_USER_DELETED},
        )


async def list_nicks() -> list[NickEntry]:
    rows = await users_repo.get_nick_list()
    return [NickEntry(username=row.get("username"), nick=row.get("nick")) for row in rows]


async def list_subscribers() -> list[dict]:
    return await users_repo.get_nick_list_subscribe()


async def get_user_info(id_user: int) -> UserInfo | None:
    row = await users_repo.get_info_by_id(id_user)
    if not row:
        return None
    return UserInfo(
        username=row.get("username"),
        nick=row.get("nick"),
        title=row.get("title"),
        lvl=int(row.get("lvl") or 0),
        exp=int(row.get("expr") or 0),
        money=int(row.get("mny") or 0),
        dt=row.get("dt") or "",
        msg_count=int(row.get("msg_count") or 0),
        eggs=int(row.get("eggs_count") or 0),
    )