from fastapi import Depends, APIRouter, HTTPException, status
from sqlalchemy.orm import Session
from db.session import get_db
from core.config import settings
from db.repository.drivetask import (
    create_new_task,
    get_task_driver,
    change_task_status,
    get_all_tasks,
    get_task_by_id,
    get_tasks_by_driver,
    edit_task,
    get_active_route_by_driver,
    get_my_routes,
)
from schemas.drivetask import CreateTask, ShowTask
from db.models.user import User
from apis.v1.route_auth import get_current_user
from typing import List

router = APIRouter()


@router.post("/", status_code=status.HTTP_201_CREATED)
def create_task(
    task: CreateTask,
    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"
        )
    task_res = create_new_task(task=task, db=db)
    if task_res == "notdriver":
        raise HTTPException(
            status_code=404, detail=f"Driver with id {task.DriverId} not found"
        )
    return task


@router.patch("/", status_code=status.HTTP_200_OK)
def changeStatus(
    task_id: int,
    status: str,
    distance: float = 0,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user),
):
    if current_user.Role == "Admin" or current_user.Role == "Driver":
        if status not in settings.ALLOWED_TASK_STATUS:
            raise HTTPException(
                status_code=400,
                detail=f"Status {status} is not allowed. Allowed status are {settings.ALLOWED_TASK_STATUS}",
            )
        if current_user.Role == "Driver":
            verification = get_task_driver(task_id, db)
            if verification.Id != current_user.Id:
                raise HTTPException(
                    status_code=403,
                    detail="You are not authorized to perform this action",
                )
        task = change_task_status(task_id, status, distance, db)
        if task == "notaskfound":
            raise HTTPException(
                status_code=404, detail=f"Task with id {task_id} not found"
            )
        return task
    else:
        raise HTTPException(
            status_code=403, detail="You are not authorized to perform this action"
        )


@router.get("/", response_model=List[ShowTask], status_code=status.HTTP_200_OK)
def getAllTasks(
    status: str = "Any",
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user),
):
    if current_user.Role == "Admin":
        tasks = get_all_tasks(status, db)
        return tasks
    else:
        raise HTTPException(
            status_code=403, detail="You are not authorized to perform this action"
        )


@router.get("/{task_id}", response_model=ShowTask, status_code=status.HTTP_200_OK)
def getTaskById(
    task_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"
        )
    task = get_task_by_id(task_id, db)
    if task == "notaskfound":
        raise HTTPException(status_code=404, detail=f"Task with id {task_id} not found")
    return task


@router.get("/driver/{driver_id}", status_code=status.HTTP_200_OK)
def getTasksByDriver(
    driver_id: int,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user),
):
    if current_user.Role != "Admin" and current_user.Role != "Driver":
        raise HTTPException(
            status_code=403, detail="You are not authorized to perform this action"
        )
    if current_user.Role == "Driver":
        if current_user.Id != driver_id:
            raise HTTPException(
                status_code=403, detail="You are not authorized to perform this action"
            )
    tasks = get_tasks_by_driver(driver_id, db)
    if tasks == "notdriver":
        raise HTTPException(
            status_code=404, detail=f"Driver with id {driver_id} not found"
        )
    return tasks


@router.put("/{task_id}", status_code=status.HTTP_200_OK)
def updateTask(
    task_id: int,
    task: CreateTask,
    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"
        )
    task = edit_task(task_id, task, db)
    if task == "notaskfound":
        raise HTTPException(status_code=404, detail=f"Task with id {task_id} not found")
    return task


@router.get("/active/{driver_id}", status_code=status.HTTP_200_OK)
def getActiveRoute(
    driver_id: int,
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user),
):
    if current_user.Role != "Admin" and current_user.Id != driver_id:
        raise HTTPException(
            status_code=403, detail="You are not authorized to perform this action"
        )
    route = get_active_route_by_driver(driver_id, db)
    if route == "notdriver":
        raise HTTPException(
            status_code=404, detail=f"Driver with id {driver_id} not found"
        )
    if route == "noroute":
        raise HTTPException(
            status_code=404, detail=f"Driver with id {driver_id} has no active route"
        )
    return route


@router.get("/myroutes", status_code=status.HTTP_200_OK)
def getMyRoutes(
    db: Session = Depends(get_db),
    current_user: User = Depends(get_current_user),
):
    if current_user.Role != "Driver":
        raise HTTPException(
            status_code=403, detail="You are not authorized to perform this action"
        )
    routes = get_my_routes(current_user.Id, db)
    if routes == "notdriver":
        raise HTTPException(
            status_code=404, detail=f"Driver with id {current_user.Id} not found"
        )
    if not routes:
        raise HTTPException(
            status_code=404, detail=f"Driver with id {current_user.Id} has no routes"
        )
    return routes