/**
 * ConnectionPool Store Tests - 连接池状态管理测试
 *
 * 注意: 这些测试验证 store 接口存在且可用
 * 实际的连接功能需要集成测试环境
 */

import { describe, it, expect } from 'vitest'
import { useConnectionPool, useConnectionStore, getConnectionStore } from '../../src/stores/connection'

describe('ConnectionPool Store', () => {
  describe('store 初始化', () => {
    it('useConnectionStore hook 应该存在', () => {
      expect(typeof useConnectionStore).toBe('function')
    })

    it('useConnectionPool hook 应该存在 (向后兼容别名)', () => {
      expect(typeof useConnectionPool).toBe('function')
    })

    it('getConnectionStore 函数应该存在', () => {
      expect(typeof getConnectionStore).toBe('function')
    })

    it('getConnectionStore 应该返回正确的接口', () => {
      const store = getConnectionStore()
      expect(store).toHaveProperty('createConnection')
      expect(store).toHaveProperty('getConnection')
      expect(store).toHaveProperty('releaseConnection')
      expect(store).toHaveProperty('disconnectConnection')
      expect(store).toHaveProperty('getStats')
    })
  })

  describe('store 方法签名', () => {
    it('createConnection 应该是异步函数', () => {
      const store = getConnectionStore()
      expect(store.createConnection).toBeInstanceOf(Function)
      // 验证是 async function (通过返回 Promise)
      const result = store.createConnection('test-tab', {
        host: 'localhost',
        port: 22,
        username: 'test',
      })
      expect(result).toBeInstanceOf(Promise)
    })

    it('getStats 应该返回连接统计', () => {
      const store = getConnectionStore()
      const stats = store.getStats()
      expect(stats).toHaveProperty('total')
      expect(stats).toHaveProperty('connected')
      expect(stats).toHaveProperty('background')
      expect(stats).toHaveProperty('suspended')
    })
  })

  describe('配置', () => {
    it('应该有默认最大连接数配置', () => {
      const store = getConnectionStore()
      expect(store.config).toBeDefined()
      expect(store.config.maxConnections).toBeGreaterThan(0)
    })

    it('应该有默认后台连接配置', () => {
      const store = getConnectionStore()
      expect(store.config.maxBackgroundConnections).toBeGreaterThan(0)
    })
  })
})