import { tap, expect } from '@git.zone/tstest/tapbundle';
import * as net from 'net';

// Unit test for the HTTP forwarding fix
tap.test('should forward non-TLS connections on HttpProxy ports', async (tapTest) => {
  // Test configuration
  const testPort = 8080;
  const httpProxyPort = 8844;
  
  // Track forwarding logic
  let forwardedToHttpProxy = false;
  let setupDirectConnection = false;
  
  // Create mock settings
  const mockSettings = {
    useHttpProxy: [testPort],
    httpProxyPort: httpProxyPort,
    routes: [{
      name: 'test-route',
      match: { ports: testPort },
      action: {
        type: 'forward',
        target: { host: 'localhost', port: 8181 }
      }
    }]
  };
  
  // Create mock connection record
  const mockRecord = {
    id: 'test-connection',
    localPort: testPort,
    remoteIP: '127.0.0.1',
    isTLS: false
  };
  
  // Mock HttpProxyBridge
  const mockHttpProxyBridge = {
    getHttpProxy: () => ({ available: true }),
    forwardToHttpProxy: async () => {
      forwardedToHttpProxy = true;
    }
  };
  
  // Test the logic from handleForwardAction
  const route = mockSettings.routes[0];
  const action = route.action;
  
  // Simulate the fixed logic
  if (!action.tls) {
    // No TLS settings - check if this port should use HttpProxy
    const isHttpProxyPort = mockSettings.useHttpProxy?.includes(mockRecord.localPort);
    
    if (isHttpProxyPort && mockHttpProxyBridge.getHttpProxy()) {
      // Forward non-TLS connections to HttpProxy if configured
      console.log(`Using HttpProxy for non-TLS connection on port ${mockRecord.localPort}`);
      await mockHttpProxyBridge.forwardToHttpProxy();
    } else {
      // Basic forwarding
      console.log(`Using basic forwarding`);
      setupDirectConnection = true;
    }
  }
  
  // Verify the fix works correctly
  expect(forwardedToHttpProxy).toEqual(true);
  expect(setupDirectConnection).toEqual(false);
  
  console.log('Test passed: Non-TLS connections on HttpProxy ports are forwarded correctly');
});

// Test that non-HttpProxy ports still use direct connection
tap.test('should use direct connection for non-HttpProxy ports', async (tapTest) => {
  let forwardedToHttpProxy = false;
  let setupDirectConnection = false;
  
  const mockSettings = {
    useHttpProxy: [80, 443], // Different ports
    httpProxyPort: 8844,
    routes: [{
      name: 'test-route',
      match: { ports: 8080 }, // Not in useHttpProxy
      action: {
        type: 'forward',
        target: { host: 'localhost', port: 8181 }
      }
    }]
  };
  
  const mockRecord = {
    id: 'test-connection-2',
    localPort: 8080, // Not in useHttpProxy
    remoteIP: '127.0.0.1',
    isTLS: false
  };
  
  const mockHttpProxyBridge = {
    getHttpProxy: () => ({ available: true }),
    forwardToHttpProxy: async () => {
      forwardedToHttpProxy = true;
    }
  };
  
  const route = mockSettings.routes[0];
  const action = route.action;
  
  // Test the logic
  if (!action.tls) {
    const isHttpProxyPort = mockSettings.useHttpProxy?.includes(mockRecord.localPort);
    
    if (isHttpProxyPort && mockHttpProxyBridge.getHttpProxy()) {
      console.log(`Using HttpProxy for non-TLS connection on port ${mockRecord.localPort}`);
      await mockHttpProxyBridge.forwardToHttpProxy();
    } else {
      console.log(`Using basic forwarding for port ${mockRecord.localPort}`);
      setupDirectConnection = true;
    }
  }
  
  // Verify port 8080 uses direct connection when not in useHttpProxy
  expect(forwardedToHttpProxy).toEqual(false);
  expect(setupDirectConnection).toEqual(true);
  
  console.log('Test passed: Non-HttpProxy ports use direct connection');
});

// Test HTTP-01 ACME challenge scenario
tap.test('should handle ACME HTTP-01 challenges on port 80 with HttpProxy', async (tapTest) => {
  let forwardedToHttpProxy = false;
  
  const mockSettings = {
    useHttpProxy: [80], // Port 80 configured for HttpProxy
    httpProxyPort: 8844,
    acme: {
      port: 80,
      email: 'test@example.com'
    },
    routes: [{
      name: 'acme-challenge',
      match: { 
        ports: 80,
        paths: ['/.well-known/acme-challenge/*']
      },
      action: {
        type: 'forward',
        target: { host: 'localhost', port: 8080 }
      }
    }]
  };
  
  const mockRecord = {
    id: 'acme-connection',
    localPort: 80,
    remoteIP: '127.0.0.1',
    isTLS: false
  };
  
  const mockHttpProxyBridge = {
    getHttpProxy: () => ({ available: true }),
    forwardToHttpProxy: async () => {
      forwardedToHttpProxy = true;
    }
  };
  
  const route = mockSettings.routes[0];
  const action = route.action;
  
  // Test the fix for ACME HTTP-01 challenges
  if (!action.tls) {
    const isHttpProxyPort = mockSettings.useHttpProxy?.includes(mockRecord.localPort);
    
    if (isHttpProxyPort && mockHttpProxyBridge.getHttpProxy()) {
      console.log(`Using HttpProxy for ACME challenge on port ${mockRecord.localPort}`);
      await mockHttpProxyBridge.forwardToHttpProxy();
    }
  }
  
  // Verify HTTP-01 challenges on port 80 go through HttpProxy
  expect(forwardedToHttpProxy).toEqual(true);
  
  console.log('Test passed: ACME HTTP-01 challenges on port 80 use HttpProxy');
});

tap.start();