from uuid import UUID

from fastapi import APIRouter, HTTPException, Depends
from fastapi_pagination import Page
from fastapi_pagination.ext.sqlmodel import paginate

from transaction.models import Transaction, TransactionCreate, TransactionRead, TransactionUpdate
from db import SessionDep
from user.manager import get_current_user

router = APIRouter()

@router.post("")
def create_transaction(transaction: TransactionCreate, session: SessionDep, current_user=Depends(get_current_user)) -> TransactionRead:
    result = Transaction.create(transaction, session)
    return result

@router.get("")
def read_transactions(session: SessionDep, current_user=Depends(get_current_user)) -> Page[TransactionRead]:
    return paginate(session, Transaction.list())

@router.get("/{transaction_id}")
def read_transaction(transaction_id: UUID, session: SessionDep, current_user=Depends(get_current_user)) -> TransactionRead:
    transaction = Transaction.get(session, transaction_id)
    if not transaction:
        raise HTTPException(status_code=404, detail="Transaction not found")
    return transaction

@router.put("/{transaction_id}")
def update_transaction(transaction_id: UUID, transaction: TransactionUpdate, session: SessionDep, current_user=Depends(get_current_user)) -> TransactionRead:
    db_transaction = Transaction.get(session, transaction_id)
    if not db_transaction:
        raise HTTPException(status_code=404, detail="Transaction not found")

    transaction_data = transaction.model_dump(exclude_unset=True)
    transaction = Transaction.update(session, db_transaction, transaction_data)
    return transaction

@router.delete("/{transaction_id}")
def delete_transaction(transaction_id: UUID, session: SessionDep, current_user=Depends(get_current_user)):
    transaction = Transaction.get(session, transaction_id)
    if not transaction:
        raise HTTPException(status_code=404, detail="Transaction not found")

    Transaction.delete(session, transaction)
    return {"ok": True}