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


class User(BaseModel):
    """User data model for authentication and authorization"""

    model_config = ConfigDict(
        populate_by_name=True,
        json_schema_extra={
            "example": {
                "username": "johndoe",
                "email": "johndoe@example.com",
                "full_name": "John Doe",
                "role": "editor",
                "disabled": False
            }
        }
    )

    id: Optional[str] = Field(default=None, alias="_id")
    username: str = Field(..., min_length=3, max_length=50)
    email: EmailStr = Field(...)
    hashed_password: str = Field(...)
    full_name: str = Field(..., min_length=1, max_length=100)
    role: str = Field(default="viewer", description="Role: admin, editor, viewer")
    disabled: bool = Field(default=False)
    created_at: datetime = Field(default_factory=datetime.utcnow)
    last_login: Optional[datetime] = None