from pydantic import BaseModel, Field, EmailStr

class UserBase(BaseModel):
    username: str = Field(..., min_length=3, max_length=50, example="johndoe")
    email: EmailStr = Field(..., example="john@example.com")
    is_active: bool = Field(True, example=True)

class UserCreate(UserBase):
    password: str = Field(..., min_length=8, example="securepassword123")

    class Config:
        schema_extra = {
            "example": {
                "username": "johndoe",
                "email": "john@example.com",
                "password": "securepassword123",
                "is_active": True
            }
        }

class UserResponse(UserBase):
    class Config:
        orm_mode = True