from pydantic import BaseModel, Field, EmailStr

class PersonBase(BaseModel):
    first_name: str = Field(..., description="Person's first name")
    last_name: str = Field(..., description="Person's last name")
    email: EmailStr = Field(..., description="Person's email address")
    phone_number: str | None = Field(None, description="Person's phone number")

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

class PersonResponse(PersonBase):
    id: int
    class Config:
        orm_mode = True