flnxi-Wu/app/api/license/info/route.ts

import { NextResponse } from 'next/server';
import { prisma } from '@/lib/prisma';
import { getLicense, getLicenseType } from '@/lib/license';

export async function GET() {
  try {
    const license = getLicense();

    if (!license) {
      return NextResponse.json(
        { error: '未激活' },
        { status: 401 }
      );
    }

    // 获取使用统计
    const [userCount, materialCount] = await Promise.all([
      prisma.user.count(),
      prisma.material.count(),
    ]);

    // 获取本地许可证数据
    const localLicense = await prisma.systemConfig.findUnique({
      where: { key: 'license' },
    });

    let lastVerified = new Date().toISOString();
    if (localLicense) {
      try {
        const data = JSON.parse(localLicense.value);
        lastVerified = data.lastVerified || lastVerified;
      } catch {
        // ignore
      }
    }

    // 判断状态
    let status: 'active' | 'expired' | 'grace' = 'active';
    if (license.expiresAt && new Date(license.expiresAt) < new Date()) {
      status = 'expired';
    }

    return NextResponse.json({
      type: license.type,
      status,
      expiresAt: license.expiresAt,
      usage: {
        users: {
          current: userCount,
          max: license.limits.maxUsers,
        },
        materials: {
          current: materialCount,
          max: license.limits.maxMaterials,
        },
      },
      features: license.features,
      lastVerified,
    });
  } catch (error) {
    console.error('获取许可证信息失败:', error);
    return NextResponse.json(
      { error: '服务器错误' },
      { status: 500 }
    );
  }
}