from datetime import datetime
from pydantic import BaseModel, EmailStr


class UserCreate(BaseModel):
    email: EmailStr
    username: str
    password: str


class UserLogin(BaseModel):
    email: EmailStr
    password: str


class UserUpdate(BaseModel):
    username: str | None = None
    full_name: str | None = None
    telegram: str | None = None
    vk: str | None = None
    study_group: str | None = None


class UserResponse(BaseModel):
    id: int
    email: str
    username: str
    role: str
    is_active: bool
    created_at: datetime
    full_name: str | None = None
    telegram: str | None = None
    vk: str | None = None
    study_group: str | None = None
    avatar_url: str | None = None

    class Config:
        from_attributes = True


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