from pydantic import BaseModel, Field
from typing import Optional

class DogBase(BaseModel):
    name: str = Field(..., min_length=1, max_length=50, description="Dog's name")
    breed: str = Field(..., min_length=1, max_length=50, 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=30, description="Dog's color")
    weight: Optional[int] = Field(None, ge=0, le=200, description="Dog's weight in pounds")
    is_vaccinated: bool = Field(default=False, description="Vaccination status")
    owner_name: Optional[str] = Field(None, max_length=100, description="Owner's full name")
    owner_contact: Optional[str] = Field(None, max_length=100, description="Owner's contact information")

class DogCreate(DogBase):
    class Config:
        schema_extra = {
            "example": {
                "name": "Max",
                "breed": "Golden Retriever",
                "age": 3,
                "color": "Golden",
                "weight": 70,
                "is_vaccinated": True,
                "owner_name": "John Doe",
                "owner_contact": "+1-555-0123"
            }
        }

class Dog(DogBase):
    id: int = Field(..., description="The unique identifier for the dog")

    class Config:
        orm_mode = True
        schema_extra = {
            "example": {
                "id": 1,
                "name": "Max",
                "breed": "Golden Retriever",
                "age": 3,
                "color": "Golden",
                "weight": 70,
                "is_vaccinated": True,
                "owner_name": "John Doe",
                "owner_contact": "+1-555-0123"
            }
        }