from pydantic import BaseModel, Field
from typing import Optional

# Base schema
class MealBase(BaseModel):
    name: str = Field(..., index=True, description="Name of the meal")
    description: Optional[str] = Field(None, description="Description of the meal")
    price: float = Field(..., description="Price of the meal")
    category: Optional[str] = Field(None, index=True, description="Category of the meal")
    is_available: bool = Field(True, description="Availability status of the meal")

# Create schema
class MealCreate(MealBase):
    pass

# Response schema
class Meal(MealBase):
    class Config:
        schema_extra = {
            "example": {
                "name": "Margherita Pizza",
                "description": "Classic Italian pizza with tomato sauce, mozzarella, and basil",
                "price": 9.99,
                "category": "Pizza",
                "is_available": True
            }
        }