from __future__ import annotations

from pydantic import BaseModel, Field


class LoginRequest(BaseModel):
    username: str = Field(min_length=3, max_length=50)
    password: str = Field(min_length=8, max_length=128)


class RegisterRequest(BaseModel):
    username: str = Field(min_length=3, max_length=50, pattern=r'^[a-zA-Z0-9_-]+$')
    password: str = Field(min_length=8, max_length=128)
    display_name: str = Field(min_length=1, max_length=100)
    email: str | None = None


class TokenResponse(BaseModel):
    access_token: str
    token_type: str = "bearer"


class UserResponse(BaseModel):
    id: str
    username: str
    display_name: str
    email: str | None
    timezone: str

    model_config = {"from_attributes": True}