/**
 * Test script to validate the new direct connection architecture
 * This script tests:
 * 1. Remote server startup
 * 2. Chrome extension direct connection
 * 3. Tool call routing without native server
 */

import fetch from 'node-fetch';
import WebSocket from 'ws';

const REMOTE_SERVER_URL = 'http://localhost:3001';
const CHROME_WS_URL = 'ws://localhost:3001/chrome';
const MCP_HTTP_URL = 'http://localhost:3001/mcp';

console.log('🧪 Testing Direct Connection Architecture');
console.log('==========================================');

// Test 1: Check if remote server is running
async function testRemoteServerHealth() {
  console.log('\n1️⃣ Testing Remote Server Health...');
  try {
    const response = await fetch(`${REMOTE_SERVER_URL}/health`);
    if (response.ok) {
      const data = await response.json();
      console.log('✅ Remote server is running:', data);
      return true;
    } else {
      console.log('❌ Remote server health check failed:', response.status);
      return false;
    }
  } catch (error) {
    console.log('❌ Remote server is not accessible:', error.message);
    return false;
  }
}

// Test 2: Test MCP tools list via Streamable HTTP
async function testMCPToolsList() {
  console.log('\n2️⃣ Testing MCP Tools List (Streamable HTTP)...');
  try {
    // Step 1: Initialize session
    const initResponse = await fetch(MCP_HTTP_URL, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'Accept': 'application/json, text/event-stream'
      },
      body: JSON.stringify({
        jsonrpc: '2.0',
        id: 1,
        method: 'initialize',
        params: {
          protocolVersion: '2024-11-05',
          capabilities: {},
          clientInfo: { name: 'test-client', version: '1.0.0' }
        }
      })
    });

    if (!initResponse.ok) {
      throw new Error(`Init failed: ${initResponse.status}`);
    }

    const sessionId = initResponse.headers.get('mcp-session-id');
    console.log('✅ MCP session initialized:', sessionId);

    // Step 2: List tools
    const toolsResponse = await fetch(MCP_HTTP_URL, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'Accept': 'application/json, text/event-stream',
        'MCP-Session-ID': sessionId
      },
      body: JSON.stringify({
        jsonrpc: '2.0',
        id: 2,
        method: 'tools/list',
        params: {}
      })
    });

    if (!toolsResponse.ok) {
      throw new Error(`Tools list failed: ${toolsResponse.status}`);
    }

    const toolsData = await toolsResponse.text();
    console.log('✅ MCP tools list retrieved successfully');
    console.log('📋 Available tools count:', (toolsData.match(/chrome_/g) || []).length);
    return true;
  } catch (error) {
    console.log('❌ MCP tools list test failed:', error.message);
    return false;
  }
}

// Test 3: Test Chrome extension WebSocket connection
async function testChromeExtensionConnection() {
  console.log('\n3️⃣ Testing Chrome Extension WebSocket Connection...');
  return new Promise((resolve) => {
    try {
      const ws = new WebSocket(CHROME_WS_URL);
      let connected = false;

      const timeout = setTimeout(() => {
        if (!connected) {
          console.log('❌ Chrome extension WebSocket connection timeout');
          ws.close();
          resolve(false);
        }
      }, 10000);

      ws.on('open', () => {
        connected = true;
        clearTimeout(timeout);
        console.log('✅ Chrome extension WebSocket connected successfully');
        
        // Test sending a message
        ws.send(JSON.stringify({
          id: 'test-123',
          action: 'ping',
          params: {}
        }));
        
        setTimeout(() => {
          ws.close();
          resolve(true);
        }, 1000);
      });

      ws.on('message', (data) => {
        console.log('📨 Received message from Chrome extension:', data.toString());
      });

      ws.on('error', (error) => {
        clearTimeout(timeout);
        console.log('❌ Chrome extension WebSocket error:', error.message);
        resolve(false);
      });

      ws.on('close', () => {
        console.log('🔌 Chrome extension WebSocket connection closed');
      });

    } catch (error) {
      console.log('❌ Chrome extension WebSocket test failed:', error.message);
      resolve(false);
    }
  });
}

// Test 4: Test tool call via MCP (simulating Cherry Studio)
async function testToolCallViaMCP() {
  console.log('\n4️⃣ Testing Tool Call via MCP (Cherry Studio simulation)...');
  try {
    // Initialize session
    const initResponse = await fetch(MCP_HTTP_URL, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'Accept': 'application/json, text/event-stream'
      },
      body: JSON.stringify({
        jsonrpc: '2.0',
        id: 1,
        method: 'initialize',
        params: {
          protocolVersion: '2024-11-05',
          capabilities: {},
          clientInfo: { name: 'test-client', version: '1.0.0' }
        }
      })
    });

    const sessionId = initResponse.headers.get('mcp-session-id');

    // Call a simple tool (get_windows_and_tabs)
    const toolCallResponse = await fetch(MCP_HTTP_URL, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'Accept': 'application/json, text/event-stream',
        'MCP-Session-ID': sessionId
      },
      body: JSON.stringify({
        jsonrpc: '2.0',
        id: 3,
        method: 'tools/call',
        params: {
          name: 'get_windows_and_tabs',
          arguments: {}
        }
      })
    });

    if (toolCallResponse.ok) {
      const result = await toolCallResponse.text();
      console.log('✅ Tool call executed successfully');
      console.log('📊 Tool call result preview:', result.substring(0, 200) + '...');
      return true;
    } else {
      console.log('❌ Tool call failed:', toolCallResponse.status);
      return false;
    }
  } catch (error) {
    console.log('❌ Tool call test failed:', error.message);
    return false;
  }
}

// Run all tests
async function runAllTests() {
  console.log('🚀 Starting Direct Connection Architecture Tests...\n');
  
  const results = {
    serverHealth: await testRemoteServerHealth(),
    mcpToolsList: await testMCPToolsList(),
    chromeConnection: await testChromeExtensionConnection(),
    toolCall: await testToolCallViaMCP()
  };

  console.log('\n📊 Test Results Summary:');
  console.log('========================');
  console.log(`Remote Server Health: ${results.serverHealth ? '✅ PASS' : '❌ FAIL'}`);
  console.log(`MCP Tools List: ${results.mcpToolsList ? '✅ PASS' : '❌ FAIL'}`);
  console.log(`Chrome Extension Connection: ${results.chromeConnection ? '✅ PASS' : '❌ FAIL'}`);
  console.log(`Tool Call Execution: ${results.toolCall ? '✅ PASS' : '❌ FAIL'}`);

  const passCount = Object.values(results).filter(Boolean).length;
  const totalCount = Object.keys(results).length;
  
  console.log(`\n🎯 Overall: ${passCount}/${totalCount} tests passed`);
  
  if (passCount === totalCount) {
    console.log('🎉 All tests passed! Direct connection architecture is working correctly.');
  } else {
    console.log('⚠️  Some tests failed. Please check the remote server and Chrome extension setup.');
  }
}

// Run the tests
runAllTests().catch(console.error);