from __future__ import annotations

from typing import Annotated

from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session

from app.api.deps import get_db
from app.schemas.employee import EmployeeCreate, EmployeeRead
from app.services.employee import EmployeeService

router = APIRouter()
DbSession = Annotated[Session, Depends(get_db)]


@router.get("", response_model=list[EmployeeRead])
def list_employees(db: DbSession) -> list[EmployeeRead]:
    return EmployeeService(db).list_employees()


@router.post("", response_model=EmployeeRead, status_code=status.HTTP_201_CREATED)
def create_employee(payload: EmployeeCreate, db: DbSession) -> EmployeeRead:
    return EmployeeService(db).create_employee(payload)


@router.get("/{employee_id}", response_model=EmployeeRead)
def get_employee(employee_id: str, db: DbSession) -> EmployeeRead:
    employee = EmployeeService(db).get_employee(employee_id)
    if employee is None:
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Employee not found")
    return employee