import uuid
from datetime import datetime

from pydantic import BaseModel, EmailStr, Field


class RegisterRequest(BaseModel):
    email: EmailStr
    username: str = Field(min_length=3, max_length=50, pattern=r"^[a-zA-Z0-9_-]+$")
    password: str = Field(min_length=8, max_length=128)
    full_name: str | None = Field(default=None, max_length=255)


class LoginRequest(BaseModel):
    email: EmailStr
    password: str
    remember_me: bool = False


class RefreshRequest(BaseModel):
    refresh_token: str


class UserResponse(BaseModel):
    id: uuid.UUID
    email: str
    username: str
    full_name: str | None
    role: str
    is_active: bool
    created_at: datetime

    model_config = {"from_attributes": True}


class AuthResponse(BaseModel):
    user: UserResponse
    access_token: str
    refresh_token: str
    token_type: str = "bearer"


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