"""Pydantic request/response models."""
from __future__ import annotations

from typing import Literal

from pydantic import BaseModel, Field


# ── Auth ─────────────────────────────────────────────────────────────────────

class LoginRequest(BaseModel):
    username: str = Field(min_length=3, max_length=120)
    password: str = Field(min_length=1, max_length=72)


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


# ── User management ──────────────────────────────────────────────────────────

DataPermission = Literal["data_manage", "data_view"]
UserStatus = Literal["active", "disabled"]


class UserCreate(BaseModel):
    username: str = Field(min_length=3, max_length=120)
    password: str = Field(min_length=12, max_length=72)
    full_name: str | None = None
    phone: str | None = None
    status: UserStatus = "active"
    permission: DataPermission = "data_view"


class UserUpdate(BaseModel):
    full_name: str | None = None
    phone: str | None = None
    status: UserStatus | None = None
    password: str | None = Field(default=None, min_length=12, max_length=72)
    permission: DataPermission | None = None