from fastapi import APIRouter, Depends
from sqlalchemy import select
from sqlalchemy.ext.asyncio import AsyncSession
from sqlalchemy.orm import selectinload

from api.deps import get_current_user
from database.models import Seat, Ticket, TicketStatus, User
from database.session import get_db
from schemas.ticket import TicketResponse

router = APIRouter(prefix="/api/tickets", tags=["tickets"])


@router.get("/me", response_model=list[TicketResponse])
async def get_my_tickets(
    current_user: User = Depends(get_current_user),
    db: AsyncSession = Depends(get_db),
) -> list[Ticket]:
    """Возвращает все оплаченные билеты текущего пользователя."""
    result = await db.execute(
        select(Ticket)
        .where(Ticket.user_id == current_user.id, Ticket.status == TicketStatus.PAID)
        .options(
            # Ticket → Seat → Tournament (один запрос на каждый уровень, без N+1)
            selectinload(Ticket.seat).selectinload(Seat.tournament)
        )
        .order_by(Ticket.created_at.desc())
    )
    return list(result.scalars().all())