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

from database import get_db
from models import Recipe
from schemas import RecipeCreate, RecipeRead, RecipeUpdate

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


@router.get("", response_model=List[RecipeRead])
def list_recipes(meal_type: str = Query(None), db: Session = Depends(get_db)):
    """List all recipes. Optional ?meal_type=dinner."""
    query = db.query(Recipe)

    if meal_type:
        query = query.filter(Recipe.meal_type == meal_type)

    return query.all()


@router.post("", response_model=RecipeRead, status_code=status.HTTP_201_CREATED)
def create_recipe(recipe: RecipeCreate, db: Session = Depends(get_db)):
    """Create a new recipe."""
    db_recipe = Recipe(**recipe.model_dump())
    db.add(db_recipe)
    db.commit()
    db.refresh(db_recipe)
    return db_recipe


@router.get("/{id}", response_model=RecipeRead)
def get_recipe(id: int, db: Session = Depends(get_db)):
    """Get a single recipe."""
    recipe = db.query(Recipe).filter(Recipe.id == id).first()
    if not recipe:
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Recipe not found")
    return recipe


@router.delete("/{id}", status_code=status.HTTP_204_NO_CONTENT)
def delete_recipe(id: int, db: Session = Depends(get_db)):
    """Delete a recipe."""
    recipe = db.query(Recipe).filter(Recipe.id == id).first()
    if not recipe:
        raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="Recipe not found")

    db.delete(recipe)
    db.commit()