import uuid
from typing import Annotated

from fastapi import APIRouter, Depends, Header, HTTPException, status
from sqlalchemy.ext.asyncio import AsyncSession

from app.auth import require_api_key
from app.db import get_session
from app.payments import create_payment, get_payment
from app.schemas import PaymentAccepted, PaymentCreate, PaymentDetails

router = APIRouter(
    prefix="/api/v1/payments",
    tags=["payments"],
    dependencies=[Depends(require_api_key)],
)


@router.post("", response_model=PaymentAccepted, status_code=status.HTTP_202_ACCEPTED)
async def post_payment(
    request: PaymentCreate,
    idempotency_key: Annotated[
        str,
        Header(alias="Idempotency-Key", min_length=1, max_length=255),
    ],
    session: Annotated[AsyncSession, Depends(get_session)],
) -> PaymentAccepted:
    payment = await create_payment(session, request, idempotency_key)
    return PaymentAccepted.model_validate(payment)


@router.get("/{payment_id}", response_model=PaymentDetails)
async def read_payment(
    payment_id: uuid.UUID,
    session: Annotated[AsyncSession, Depends(get_session)],
) -> PaymentDetails:
    payment = await get_payment(session, payment_id)
    if payment is None:
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Payment not found")
    return PaymentDetails.model_validate(payment)