from fastapi import APIRouter, Depends, HTTPException, Request, status
from pydantic import BaseModel
from sqlalchemy.ext.asyncio import AsyncSession

from app.auth.dependencies import get_current_user
from app.bets.service import BetError, place_bet
from app.db.models import User
from app.db.session import get_session

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


class BetResponse(BaseModel):
    round_id: int
    bet_txid: str
    bet_amount_sats: int
    status: str


@router.post("", response_model=BetResponse, status_code=status.HTTP_201_CREATED)
async def create_bet(
    request: Request,
    user: User = Depends(get_current_user),
    session: AsyncSession = Depends(get_session),
) -> BetResponse:
    listener = request.app.state.electrum_listener
    if listener.client is None:
        raise HTTPException(status.HTTP_503_SERVICE_UNAVAILABLE, "not connected to the network, try again shortly")

    async with request.app.state.user_locks.acquire(user.id):
        try:
            participant = await place_bet(session, listener.client, user)
        except BetError as exc:
            raise HTTPException(status.HTTP_400_BAD_REQUEST, str(exc)) from exc

    return BetResponse(
        round_id=participant.round_id,
        bet_txid=participant.bet_txid,
        bet_amount_sats=participant.bet_amount_sats,
        status=participant.status,
    )