// 导出数据
document.getElementById('export').addEventListener('click', async () => {
    const { aliases } = await chrome.storage.local.get('aliases');
    const blob = new Blob([JSON.stringify(aliases || {}, null, 2)], { type: 'application/json' });
    const url = URL.createObjectURL(blob);

    const timestamp = new Date()
        .toLocaleString('sv-SE')  // ISO-like 格式
        .replace(' ', '_')
        .replace(/:/g, '-');      // 避免非法文件名

    const a = document.createElement('a');
    a.href = url;
    a.download = `teams-alias-${timestamp}.json`;
    a.click();

    URL.revokeObjectURL(url);
});

// 手动同步
document.getElementById('sync').addEventListener('click', async () => {
    const btn = document.getElementById('sync');
    const originalText = btn.textContent;
    btn.textContent = '同步中...';
    btn.disabled = true;

    try {
        if (typeof fetchAliasesFromDB !== 'function') {
            throw new Error("utils.js not loaded properly");
        }

        const aliases = await fetchAliasesFromDB();
        await chrome.storage.local.set({ aliases, lastSync: Date.now() });
        alert(`同步成功！共获取 ${Object.keys(aliases).length} 条数据。`);
    } catch (error) {
        alert('同步失败，请检查网络或控制台日志。');
        console.error(error);
    } finally {
        btn.textContent = originalText;
        btn.disabled = false;
    }
});