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

class DogBase(BaseModel):
    breed_name: str = Field(..., min_length=1, max_length=100, description="Name of the dog breed")
    origin: str = Field(..., description="Origin/country of the breed")
    size: str = Field(..., description="Size category of the breed")
    temperament: str = Field(..., description="Temperament characteristics")
    life_span: str = Field(..., description="Average life span of the breed")
    description: str = Field(..., description="Detailed description of the breed")

class DogCreate(DogBase):
    class Config:
        schema_extra = {
            "example": {
                "breed_name": "Labrador Retriever",
                "origin": "Canada",
                "size": "Large",
                "temperament": "Friendly, Active, Outgoing",
                "life_span": "10-12 years",
                "description": "The Labrador Retriever is one of the most popular dog breeds in the world."
            }
        }

class Dog(DogBase):
    id: UUID
    created_at: datetime
    updated_at: datetime

    class Config:
        orm_mode = True
        schema_extra = {
            "example": {
                "id": "550e8400-e29b-41d4-a716-446655440000",
                "breed_name": "Labrador Retriever",
                "origin": "Canada",
                "size": "Large",
                "temperament": "Friendly, Active, Outgoing",
                "life_span": "10-12 years",
                "description": "The Labrador Retriever is one of the most popular dog breeds in the world.",
                "created_at": "2023-01-01T00:00:00",
                "updated_at": "2023-01-01T00:00:00"
            }
        }