/**
 * PKB模块健康检查路由
 */
import { FastifyInstance, FastifyRequest, FastifyReply } from 'fastify';
import { prisma } from '../../../config/database.js';

export default async function healthRoutes(fastify: FastifyInstance) {
  // PKB模块健康检查
  fastify.get('/health', async (request: FastifyRequest, reply: FastifyReply) => {
    try {
      // 检查数据库连接
      await prisma.$queryRaw`SELECT 1`;
      
      // 检查pkb_schema是否可访问
      const kbCount = await prisma.knowledgeBase.count();
      
      return reply.send({
        status: 'ok',
        module: 'pkb',
        version: 'v2',
        timestamp: new Date().toISOString(),
        database: {
          connected: true,
          schema: 'pkb_schema',
          knowledgeBases: kbCount,
        },
        message: 'PKB模块运行正常',
      });
    } catch (error: any) {
      return reply.status(503).send({
        status: 'error',
        module: 'pkb',
        version: 'v2',
        timestamp: new Date().toISOString(),
        database: {
          connected: false,
          error: error.message,
        },
        message: 'PKB模块健康检查失败',
      });
    }
  });
}