from typing import List
from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.ext.asyncio import AsyncSession
from app.model.transaction import Transaction as TransactionModel
from app.schema.index import TransactionResponse
from app.engine.postgresdb import get_db_session

transaction_router = r = APIRouter(prefix="/api/v1/transactions", tags=["transactions"])


@r.get(
    "/{user_id}",
    response_model=List[TransactionResponse],
    responses={
        200: {"description": "New user created"},
        400: {"description": "Bad request"},
        204: {"description": "No content"},
        500: {"description": "Internal server error"},
    },
)
async def get_transactions(user_id: int, db: AsyncSession = Depends(get_db_session)):
    """
    Retrieve all transactions.
    """
    result = await TransactionModel.get_by_user(db, user_id)
    all_rows = result.all()
    if len(all_rows) == 0:
        raise HTTPException(status_code=status.HTTP_204_NO_CONTENT, detail="No transactions found for this user")
    return all_rows