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

class FoodBase(BaseModel):
    name: str = Field(..., min_length=1, max_length=100, description="Name of the food item")
    description: Optional[str] = Field(None, description="Detailed description of the food item")
    price: float = Field(..., gt=0, description="Price of the food item")
    category: str = Field(..., min_length=1, max_length=50, description="Category of the food item")
    is_available: bool = Field(default=True, description="Availability status of the food item")
    calories: Optional[int] = Field(None, ge=0, description="Caloric content of the food item")
    ingredients: Optional[str] = Field(None, description="List of ingredients")
    image_url: Optional[str] = Field(None, description="URL to the food item's image")

class FoodCreate(FoodBase):
    class Config:
        schema_extra = {
            "example": {
                "name": "Margherita Pizza",
                "description": "Classic Italian pizza with tomato sauce and mozzarella",
                "price": 12.99,
                "category": "Pizza",
                "is_available": True,
                "calories": 266,
                "ingredients": "Dough, Tomato Sauce, Mozzarella, Basil",
                "image_url": "https://example.com/pizza.jpg"
            }
        }

class Food(FoodBase):
    id: UUID
    created_at: datetime
    updated_at: datetime

    class Config:
        orm_mode = True