from __future__ import annotations

from typing import Annotated

from fastapi import APIRouter, Depends, HTTPException, status

from ..config import Settings, get_settings
from .auth import LoginRequest, LoginResponse, issue_token, require_user

router = APIRouter(prefix="/api/auth", tags=["auth"])


@router.post("/login", response_model=LoginResponse)
async def login(body: LoginRequest, settings: Annotated[Settings, Depends(get_settings)]) -> LoginResponse:
    user_ok = body.username == settings.auth_username
    pass_ok = body.password == settings.auth_password
    if not (user_ok and pass_ok):
        raise HTTPException(status_code=status.HTTP_401_UNAUTHORIZED, detail="用户名或密码错误")
    token, ttl = issue_token(body.username, settings)
    return LoginResponse(
        token=token,
        username=body.username,
        expires_in=ttl,
        env_name=settings.env_name,
        mode=settings.mode,
    )


@router.get("/me")
async def me(username: Annotated[str, Depends(require_user)], settings: Annotated[Settings, Depends(get_settings)]) -> dict:
    return {
        "username": username,
        "env_name": settings.env_name,
        "mode": settings.mode,
        "sim": settings.is_sim,
    }