# -*- coding: utf-8 -*-
"""认证状态端点（FastAPI 栈）——与 Flask /auth/me 响应契约逐字段对齐。

- GET/POST /api/v1/auth/me ↔ Flask /auth/me
  · user：站点用户公开字段（未登录为 None）
  · duration_text：次数文案（不限次数 / 已用完 / N 次）
  · announcement、smtp_configured、register_credits 逐字段一致
"""
from typing import Annotated

from fastapi import APIRouter, Depends, Request

from core import repo
from web import ratelimit
from web.deps import SiteUser, current_user
from web.response import error, success
from web.serializers import format_credits as _format_credits
from web.serializers import user_public as _user_public

router = APIRouter()





@router.api_route('/auth/me', methods=['GET', 'POST'])
async def auth_me(
    user: Annotated[SiteUser | None, Depends(current_user)],
    request: Request,
):
    """当前会话与站点公开配置（未登录也返回，与 Flask 同口径）。"""
    await ratelimit.guard(request, bucket='free', limit=30, window=60)
    try:
        ann = await repo.get_announcement()
        smtp_ok = await repo.smtp_configured()
        try:
            credits = int(await repo.get_setting('register_credits', '3') or 0)
        except (TypeError, ValueError):
            credits = 3
        credits = max(0, credits)

        pub = None
        duration_text = ''
        if user is not None:
            row = await repo.get_user_by_id(user.id)
            if row is not None:
                pub = _user_public(row)
                duration_text = _format_credits(int(row.get('duration_seconds') or 0))
        return success({
            'user': pub,
            'duration_text': duration_text,
            'announcement': {
                'title': ann.get('title', ''),
                'content': ann.get('content', ''),
                'popup_mode': ann.get('popup_mode', 'off'),
                'updated_at': ann.get('updated_at', ''),
            },
            'smtp_configured': smtp_ok,
            'register_credits': credits,
        })
    except Exception:
        return error('服务暂时不可用，请稍后再试', 500)