import { NextResponse } from "next/server";
import { checkForUpdate } from "@/lib/update";

function apiLog(msg: string) {
  const t = new Date().toISOString().slice(0, 19).replace("T", " ");
  console.log(`[${t}] [更新检查] ${msg}`);
}

function apiErr(msg: string) {
  const t = new Date().toISOString().slice(0, 19).replace("T", " ");
  console.error(`[${t}] [更新检查] ${msg}`);
}

// GET /api/update/check - 检查是否有可用更新
export async function GET() {
  apiLog("收到版本检查请求");
  try {
    const versionInfo = await checkForUpdate();
    const hasUpdate = versionInfo.hasUpdate;
    const latestVer = versionInfo.latest?.version || "无";
    apiLog(`检查完成: ${hasUpdate ? "有新版本 " + latestVer : "已是最新"}`);
    return NextResponse.json({
      success: true,
      data: versionInfo,
    });
  } catch (error) {
    const msg = error instanceof Error ? error.message : "未知错误";
    apiErr(`检查异常: ${msg}`);
    return NextResponse.json(
      { success: false, error: "检查更新失败" },
      { status: 500 }
    );
  }
}