// Test script to verify message system fixes
// Run this in browser console after loading extension

console.log('Testing Chrome Extension Message System Fixes...');

// Test 1: Check if content script message handler returns true for async operations
console.log('\n=== TEST 1: Content Script Message Handler ===');

// Simulate the problematic message that was causing port closure
const testMessage = { action: 'extractData' };

chrome.tabs.query({ active: true, currentWindow: true }, (tabs) => {
  const activeTab = tabs[0];
  console.log('Active tab ID:', activeTab.id);
  
  console.log('Sending extractData message...');
  chrome.tabs.sendMessage(activeTab.id, testMessage, (response) => {
    if (chrome.runtime.lastError) {
      console.error('❌ Message failed:', chrome.runtime.lastError.message);
      
      // Check if it's the specific error we were fixing
      if (chrome.runtime.lastError.message.includes('message port closed')) {
        console.error('🚫 The "message port closed" error still occurs!');
      }
    } else {
      console.log('✅ Message successful! Response:', response);
      
      // Check key fix indicators
      if (response && response.success !== undefined) {
        console.log('✅ Response structure looks correct');
      }
      
      if (response && response.forwardedResponse !== undefined) {
        console.log('✅ Forwarding system implemented');
      }
      
      if (response && response.htmlSize !== undefined) {
        console.log('✅ HTML size optimization working');
        console.log(`   HTML size: ${(response.htmlSize / 1024).toFixed(2)} KB`);
      }
      
      if (response && response.fieldCount > 0) {
        console.log(`✅ Data extraction working: ${response.fieldCount} fields`);
      }
    }
  });
});

// Test 2: Background script health check
console.log('\n=== TEST 2: Background Script Health Check ===');

chrome.runtime.sendMessage({ action: 'healthCheck' }, (response) => {
  if (chrome.runtime.lastError) {
    console.error('❌ Background script not responding:', chrome.runtime.lastError.message);
  } else {
    console.log('✅ Background script healthy:', response);
  }
});

// Test 3: Storage-based fallback system
console.log('\n=== TEST 3: Storage Fallback System ===');

chrome.runtime.sendMessage({
  action: 'storeDataForFallback',
  data: { test: 'data', timestamp: Date.now() }
}, (response) => {
  if (chrome.runtime.lastError) {
    console.error('❌ Storage fallback failed:', chrome.runtime.lastError.message);
  } else if (response.success) {
    console.log('✅ Storage fallback system working');
  } else {
    console.error('❌ Storage fallback returned error:', response.error);
  }
});

console.log('\n=== FIXES SUMMARY ===');
console.log('1. ✅ Added async/await handling with return true');
console.log('2. ✅ Implemented timeout protection (30s + 45s)');
console.log('3. ✅ Added data size optimization and compression');
console.log('4. ✅ Created retry logic with exponential backoff');
console.log('5. ✅ Added content script reinjection capability');
console.log('6. ✅ Implemented background script forwarding fallback');
console.log('7. ✅ Enhanced error handling with specific error types');
console.log('8. ✅ Added scripting permission for reinjection');