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

class DogBase(BaseModel):
    name: str = Field(..., min_length=1, max_length=50, description="Dog's name")
    breed: str = Field(..., min_length=1, max_length=100, description="Dog's breed")
    age: Optional[int] = Field(None, ge=0, le=30, description="Dog's age in years")
    color: Optional[str] = Field(None, max_length=50, description="Dog's color")
    weight: Optional[float] = Field(None, gt=0, description="Dog's weight in kg")
    is_vaccinated: bool = Field(default=False, description="Vaccination status")
    microchip_number: str = Field(..., min_length=10, max_length=15, description="Unique microchip number")
    gender: Optional[str] = Field(None, description="Dog's gender")
    is_neutered: bool = Field(default=False, description="Neutering status")
    description: Optional[str] = Field(None, max_length=500, description="Additional description")

class DogCreate(DogBase):
    class Config:
        schema_extra = {
            "example": {
                "name": "Max",
                "breed": "Golden Retriever",
                "age": 3,
                "color": "Golden",
                "weight": 30.5,
                "is_vaccinated": True,
                "microchip_number": "123456789012",
                "gender": "Male",
                "is_neutered": True,
                "description": "Friendly and energetic dog"
            }
        }

class Dog(DogBase):
    id: UUID
    
    class Config:
        orm_mode = True