"""View routes."""
from fastapi import APIRouter, Depends, HTTPException
from sqlalchemy.orm import Session
from typing import List

from app.database import get_db
from app.models.view import View
from app.schemas.view import ViewCreate, ViewUpdate, ViewResponse

router = APIRouter(prefix="/views", tags=["views"])

@router.get("/table/{table_id}", response_model=List[ViewResponse])
def list_views(table_id: int, db: Session = Depends(get_db)):
    """List all views for a table."""
    return db.query(View).filter(View.table_id == table_id).all()

@router.post("", response_model=ViewResponse)
def create_view(view: ViewCreate, db: Session = Depends(get_db)):
    """Create new view."""
    db_view = View(**view.model_dump())
    db.add(db_view)
    db.commit()
    db.refresh(db_view)
    return db_view

@router.get("/{view_id}", response_model=ViewResponse)
def get_view(view_id: int, db: Session = Depends(get_db)):
    """Get view by ID."""
    view = db.query(View).filter(View.id == view_id).first()
    if not view:
        raise HTTPException(status_code=404, detail="View not found")
    return view

@router.put("/{view_id}", response_model=ViewResponse)
def update_view(view_id: int, view: ViewUpdate, db: Session = Depends(get_db)):
    """Update view."""
    db_view = db.query(View).filter(View.id == view_id).first()
    if not db_view:
        raise HTTPException(status_code=404, detail="View not found")
    for key, value in view.model_dump(exclude_unset=True).items():
        setattr(db_view, key, value)
    db.commit()
    db.refresh(db_view)
    return db_view

@router.delete("/{view_id}")
def delete_view(view_id: int, db: Session = Depends(get_db)):
    """Delete view."""
    view = db.query(View).filter(View.id == view_id).first()
    if not view:
        raise HTTPException(status_code=404, detail="View not found")
    db.delete(view)
    db.commit()
    return {"message": "View deleted"}