from app.models.entities import Product

RECIPES = [
    {
        "id": "tomato-pasta",
        "name": {"de": "Tomaten-Pasta", "en": "Tomato pasta"},
        "ingredients": ["tomato", "tomate", "pasta", "nudeln", "cheese", "käse"],
        "steps": {"de": ["Nudeln kochen", "Tomaten anbraten", "Mit Käse servieren"], "en": ["Cook pasta", "Warm tomatoes", "Serve with cheese"]},
    },
    {
        "id": "omelette",
        "name": {"de": "Gemüse-Omelett", "en": "Vegetable omelette"},
        "ingredients": ["egg", "ei", "cheese", "käse", "pepper", "paprika", "milk", "milch"],
        "steps": {"de": ["Eier verquirlen", "Gemüse anbraten", "Stocken lassen"], "en": ["Whisk eggs", "Saute vegetables", "Let it set"]},
    },
    {
        "id": "rice-bowl",
        "name": {"de": "Reis-Bowl", "en": "Rice bowl"},
        "ingredients": ["rice", "reis", "beans", "bohnen", "corn", "mais", "yogurt", "joghurt"],
        "steps": {"de": ["Reis erhitzen", "Toppings ergänzen", "Mit Sauce servieren"], "en": ["Warm rice", "Add toppings", "Serve with sauce"]},
    },
]


def suggest(products: list[Product], language: str) -> list[dict]:
    names = " ".join([p.name.lower() for p in products])
    expiring = {p.id for p in products if p.expires_at}
    suggestions: list[dict] = []
    for recipe in RECIPES:
        matches = [i for i in recipe["ingredients"] if i in names]
        if not matches:
            continue
        score = len(matches) + min(len(expiring), 3)
        suggestions.append(
            {
                "id": recipe["id"],
                "name": recipe["name"].get(language, recipe["name"]["en"]),
                "matchedIngredients": sorted(set(matches)),
                "score": score,
                "steps": recipe["steps"].get(language, recipe["steps"]["en"]),
            }
        )
    return sorted(suggestions, key=lambda item: item["score"], reverse=True)