from pydantic import BaseModel, Field, EmailStr
from typing import Optional

class PersonBase(BaseModel):
    first_name: str = Field(..., min_length=1, max_length=50)
    last_name: str = Field(..., min_length=1, max_length=50)
    email: EmailStr = Field(..., description="Person's email address")
    phone_number: Optional[str] = Field(None, max_length=20)
    address: Optional[str] = Field(None, max_length=200)

class PersonCreate(PersonBase):
    class Config:
        schema_extra = {
            "example": {
                "first_name": "John",
                "last_name": "Doe",
                "email": "john.doe@example.com",
                "phone_number": "+1234567890",
                "address": "123 Main St, City, Country"
            }
        }

class Person(PersonBase):
    id: int = Field(..., description="Person's unique identifier")

    class Config:
        orm_mode = True
        schema_extra = {
            "example": {
                "id": 1,
                "first_name": "John",
                "last_name": "Doe",
                "email": "john.doe@example.com",
                "phone_number": "+1234567890",
                "address": "123 Main St, City, Country"
            }
        }