from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.orm import Session
from typing import List
from app.db.session import get_db
from app.models.destination import Destination
from app.schemas.destination import (
    Destination as DestinationSchema,
    DestinationCreate,
    DestinationUpdate,
)

router = APIRouter()


@router.get("/", response_model=List[DestinationSchema])
def get_destinations(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
    destinations = db.query(Destination).offset(skip).limit(limit).all()
    return destinations


@router.get("/{destination_id}", response_model=DestinationSchema)
def get_destination(destination_id: int, db: Session = Depends(get_db)):
    destination = db.query(Destination).filter(Destination.id == destination_id).first()
    if destination is None:
        raise HTTPException(status_code=404, detail="Destination not found")
    return destination


@router.post("/", response_model=DestinationSchema)
def create_destination(destination: DestinationCreate, db: Session = Depends(get_db)):
    db_destination = Destination(**destination.dict())
    db.add(db_destination)
    db.commit()
    db.refresh(db_destination)
    return db_destination


@router.put("/{destination_id}", response_model=DestinationSchema)
def update_destination(
    destination_id: int, destination: DestinationUpdate, db: Session = Depends(get_db)
):
    db_destination = (
        db.query(Destination).filter(Destination.id == destination_id).first()
    )
    if db_destination is None:
        raise HTTPException(status_code=404, detail="Destination not found")

    update_data = destination.dict(exclude_unset=True)
    for field, value in update_data.items():
        setattr(db_destination, field, value)

    db.commit()
    db.refresh(db_destination)
    return db_destination


@router.delete("/{destination_id}")
def delete_destination(destination_id: int, db: Session = Depends(get_db)):
    db_destination = (
        db.query(Destination).filter(Destination.id == destination_id).first()
    )
    if db_destination is None:
        raise HTTPException(status_code=404, detail="Destination not found")

    db.delete(db_destination)
    db.commit()
    return {"message": "Destination deleted successfully"}