from fastapi import APIRouter, status, HTTPException
from sqlalchemy.orm import Session
from fastapi import Depends
from typing import List
from db.session import get_db
from schemas.vehicle import OutputVehicle, CreateVehicle, UpdateVehicle
from db.repository.vehicle import (
    create_new_vehicle,
    assign_vehicle_driver,
    list_vehicles,
    get_vehicle_by_id,
    replace_vehicle_data,
    delete_vehicle_data,
)
from db.models.user import User
from apis.v1.route_auth import get_current_user

router = APIRouter()


@router.post("/", response_model=OutputVehicle, status_code=status.HTTP_201_CREATED)
async def create_vehicle(
    vehicle: CreateVehicle,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user),
):
    if current_user.Role != "Admin":
        raise HTTPException(
            status_code=403, detail="You are not authorized to perform this action"
        )
    vehicle = create_new_vehicle(vehicle=vehicle, db=db)
    return vehicle


# @router.get(
#     "/assign/{vehicle_id}/{driver_id}",
#     response_model=OutputVehicle,
#     status_code=status.HTTP_200_OK,
# )
# async def assign_drver(vehicle_id: int, driver_id: int, db: Session = Depends(get_db)):
#     vehicle = assign_vehicle_driver(vehicle_id=vehicle_id, driver_id=driver_id, db=db)
#     if vehicle == "nodriver":
#         raise HTTPException(
#             status_code=404, detail=f"Driver with id {driver_id} not found"
#         )
#     if vehicle == "novehicle":
#         raise HTTPException(
#             status_code=404, detail=f"Vehicle with id {vehicle_id} not found"
#         )
#     if vehicle == "alreadyassigned":
#         raise HTTPException(
#             status_code=400,
#             detail=f"Driver with id {driver_id} is already assigned to vehicle with id {vehicle_id}",
#         )
#     return vehicle
@router.patch(
    "/{vehicle_id}/driver/{driver_id}",
    response_model=OutputVehicle,
    status_code=status.HTTP_200_OK,
)
async def assign_driver(
    vehicle_id: int,
    driver_id: int,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user),
):
    if current_user.Role != "Admin":
        raise HTTPException(
            status_code=403, detail="You are not authorized to perform this action"
        )
    vehicle = assign_vehicle_driver(vehicle_id=vehicle_id, driver_id=driver_id, db=db)
    if vehicle == "nodriver":
        raise HTTPException(
            status_code=404, detail=f"Driver with id {driver_id} not found"
        )
    if vehicle == "novehicle":
        raise HTTPException(
            status_code=404, detail=f"Vehicle with id {vehicle_id} not found"
        )
    if vehicle == "alreadyassigned":
        raise HTTPException(
            status_code=400,
            detail=f"A driver is already assigned to vehicle with id {vehicle_id}",
        )
    return vehicle


@router.get("/", response_model=List[OutputVehicle], status_code=status.HTTP_200_OK)
async def get_all_vehicles(db: Session = Depends(get_db)):
    vehicles = list_vehicles(db=db)
    return vehicles


@router.get(
    "/{vehicle_id}", response_model=OutputVehicle, status_code=status.HTTP_200_OK
)
async def get_vehicle(vehicle_id: int, db: Session = Depends(get_db)):
    vehicle = get_vehicle_by_id(vehicle_id=vehicle_id, db=db)
    if not vehicle:
        raise HTTPException(status_code=404, detail="Vehicle not found")
    return vehicle


@router.put(
    "/{vehicle_id}", response_model=OutputVehicle, status_code=status.HTTP_200_OK
)
def update_vehicle(
    vehicle_id: int,
    vehicle: UpdateVehicle,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user),
):
    if current_user.Role != "Admin":
        raise HTTPException(
            status_code=403, detail="You are not authorized to perform this action"
        )
    vehicleRes = replace_vehicle_data(id=vehicle_id, vehicle=vehicle, db=db)
    if vehicleRes == "vehicleNotFound":
        raise HTTPException(status_code=404, detail="Vehicle not found")
    elif vehicleRes == "badreq":
        raise HTTPException(status_code=502, detail="Bad request")
    elif vehicleRes == "driverNotFound":
        raise HTTPException(status_code=404, detail="Driver not found")
    return vehicleRes


@router.delete("/{vehicle_id}", status_code=status.HTTP_200_OK)
def delete_vehicle(
    vehicle_id: int,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user),
):
    if current_user.Role != "Admin":
        raise HTTPException(
            status_code=403, detail="You are not authorized to perform this action"
        )
    result = delete_vehicle_data(id=vehicle_id, db=db)
    if result == "vehicleNotFound":
        raise HTTPException(status_code=404, detail="Vehicle not found")
    return {"msg": "Vehicle deleted successfully"}