import { Agent } from '@innomind-vita/core';

describe('Agent Performance', () => {
  let agent: Agent;

  beforeEach(() => {
    agent = new Agent({
      id: 'perf-test-agent',
      name: '性能测试智能体',
      maxProcessTime: 1000
    });
  });

  describe('响应时间', () => {
    it('应该在指定时间内响应', async () => {
      const startTime = Date.now();
      
      await agent.process({
        type: 'command',
        content: '性能测试'
      });
      
      const duration = Date.now() - startTime;
      expect(duration).toBeLessThan(1000);
    });

    it('应该能处理连续请求', async () => {
      const requests = 5;
      const times: number[] = [];

      for (let i = 0; i < requests; i++) {
        const startTime = Date.now();
        
        await agent.process({
          type: 'command',
          content: `连续请求 ${i + 1}`
        });
        
        times.push(Date.now() - startTime);
      }

      // 验证所有请求的响应时间
      times.forEach(time => {
        expect(time).toBeLessThan(1000);
      });

      // 验证平均响应时间
      const avgTime = times.reduce((a, b) => a + b) / times.length;
      expect(avgTime).toBeLessThan(500);
    });
  });

  describe('内存使用', () => {
    it('应该在处理大量请求后保持稳定的内存使用', async () => {
      const initialMemory = process.memoryUsage().heapUsed;
      const requests = 100;

      for (let i = 0; i < requests; i++) {
        await agent.process({
          type: 'command',
          content: `内存测试请求 ${i + 1}`
        });
      }

      const finalMemory = process.memoryUsage().heapUsed;
      const memoryIncrease = finalMemory - initialMemory;

      // 内存增长不应超过 10MB
      expect(memoryIncrease).toBeLessThan(10 * 1024 * 1024);
    });
  });

  describe('并发性能', () => {
    it('应该能高效处理排队的请求', async () => {
      const startTime = Date.now();
      const requests = 10;

      // 创建多个并发请求
      const promises = Array(requests).fill(null).map((_, index) => 
        agent.process({
          type: 'command',
          content: `并发请求 ${index + 1}`
        })
      );

      const responses = await Promise.all(promises);
      const totalTime = Date.now() - startTime;

      // 验证总处理时间
      expect(totalTime).toBeLessThan(requests * 1000);

      // 验证响应顺序
      const successResponse = responses.find(r => r.type === 'response');
      expect(successResponse).toBeDefined();
      expect(responses.filter(r => r.type === 'error').length).toBe(requests - 1);
    });
  });
});