from pydantic import BaseModel, Field
from typing import Optional
from uuid import UUID

class FoodBase(BaseModel):
    name: str = Field(..., description="Name of the food item")
    description: Optional[str] = Field(None, description="Description of the food item")
    price: float = Field(..., gt=0, description="Price of the food item")
    category_id: UUID = Field(..., description="ID of the category the food item belongs to")

class FoodCreate(FoodBase):
    pass

class FoodResponse(FoodBase):
    id: UUID
    name: str
    description: Optional[str]
    price: float
    category_id: UUID

    class Config:
        orm_mode = True
        schema_extra = {
            "example": {
                "id": "3fa85f64-5717-4562-b3fc-2c963f66afa6",
                "name": "Pizza Margherita",
                "description": "Classic Italian pizza with tomato sauce and mozzarella cheese",
                "price": 12.99,
                "category_id": "c6fc032f-d8c9-4b9b-8e3f-a1d0011e7c3c"
            }
        }