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

class UserBase(BaseModel):
    username: str = Field(..., min_length=3, max_length=50)
    email: EmailStr = Field(...)
    full_name: str = Field(..., min_length=1, max_length=100)

class UserCreate(UserBase):
    password: str = Field(..., min_length=8, max_length=100)

    class Config:
        schema_extra = {
            "example": {
                "username": "johndoe",
                "email": "john@example.com",
                "full_name": "John Doe",
                "password": "securepass123"
            }
        }

class UserResponse(UserBase):
    is_active: bool = True

    class Config:
        orm_mode = True
        schema_extra = {
            "example": {
                "username": "johndoe",
                "email": "john@example.com",
                "full_name": "John Doe",
                "is_active": True
            }
        }