# -*- coding: utf-8 -*-
"""公告与站点设置。

（自 auth_system.py 拆出，行为与原实现一致；DB 访问已迁移为原生异步。）
"""

import time
from typing import Any

from .db import (
    _q,
    _x,
)

# ============ 公告 ============


async def get_announcement() -> dict[str, Any]:
    rows = await _q('SELECT * FROM announcements WHERE id = 1')
    return dict(rows[0]) if rows else {'title': '', 'content': '', 'popup_mode': 'off'}


async def save_announcement(title: str, content: str, popup_mode: str) -> None:
    if popup_mode not in ('off', 'every', 'once'):
        popup_mode = 'off'
    # 版本号精确到毫秒，同秒多次保存也能区分（once 已读判断依赖该字段）
    updated = time.strftime('%Y-%m-%d %H:%M:%S') + f'.{int(time.time() * 1000) % 1000:03d}'
    await _x('UPDATE announcements SET title = ?, content = ?, popup_mode = ?, updated_at = ? WHERE id = 1',
             (title, content, popup_mode, updated))


# ============ 设置（键值） ============


async def get_setting(key: str, default: str = '') -> str:
    rows = await _q('SELECT value FROM settings WHERE key = ?', (key,))
    return rows[0]['value'] if rows else default


async def set_setting(key: str, value: str) -> None:
    await _x('INSERT INTO settings (key, value) VALUES (?, ?) '
             'ON CONFLICT(key) DO UPDATE SET value = excluded.value', (key, str(value)))