/**
 * Test script for CVE-2025-12428 PoC
 * 
 * This script helps verify the exploit works in different environments
 */

const fs = require('fs');
const path = require('path');

console.log('CVE-2025-12428 PoC Test Script');
console.log('==============================\n');

// Check if running in Node.js or browser
const isNode = typeof window === 'undefined';
const isBrowser = typeof window !== 'undefined';

console.log(`Environment: ${isNode ? 'Node.js' : 'Browser'}`);
console.log(`User Agent: ${isBrowser ? navigator.userAgent : 'N/A'}\n`);

// Browser-specific checks
if (isBrowser) {
    // Detect Chrome version
    const ua = navigator.userAgent;
    const chromeMatch = ua.match(/Chrome\/(\d+\.\d+\.\d+\.\d+)/);
    if (chromeMatch) {
        const version = chromeMatch[1];
        console.log(`Chrome Version: ${version}`);
        
        // Check if vulnerable
        const versionParts = version.split('.');
        const major = parseInt(versionParts[0]);
        const minor = parseInt(versionParts[1]);
        const build = parseInt(versionParts[2]);
        
        const vulnerableMajor = 142;
        const vulnerableMinor = 0;
        const vulnerableBuild = 7444;
        
        if (major < vulnerableMajor || 
            (major === vulnerableMajor && minor < vulnerableMinor) ||
            (major === vulnerableMajor && minor === vulnerableMinor && build < vulnerableBuild)) {
            console.log('⚠️  Browser appears to be VULNERABLE to CVE-2025-12428');
        } else {
            console.log('✓ Browser appears to be PATCHED');
        }
    } else {
        console.log('Browser not recognized (may still be Chromium-based)');
    }
}

// Test basic type confusion scenarios
function testBasicTypeConfusion() {
    console.log('\n[Test] Basic Type Confusion...');
    
    try {
        let obj = {};
        let arr = [1, 2, 3];
        
        // Simple property access
        console.log(`Object length: ${obj.length}`);
        console.log(`Array length: ${arr.length}`);
        
        // Type checking
        console.log(`Is Array(obj): ${Array.isArray(obj)}`);
        console.log(`Is Array(arr): ${Array.isArray(arr)}`);
        
        return true;
    } catch (e) {
        console.error(`Error: ${e.message}`);
        return false;
    }
}

// Test JIT compilation
function testJIT() {
    console.log('\n[Test] JIT Compilation Test...');
    
    try {
        function testFunction(x) {
            return x.length;
        }
        
        // Warm up
        let arr = [1, 2, 3];
        for (let i = 0; i < 10000; i++) {
            testFunction(arr);
        }
        
        // Test with object
        let obj = {};
        let result = testFunction(obj);
        console.log(`Result: ${result}`);
        
        return true;
    } catch (e) {
        console.error(`Error: ${e.message}`);
        return false;
    }
}

// Run tests
if (isNode) {
    // In Node.js, we can't actually exploit V8 (it's patched in Node)
    // But we can test the code structure
    console.log('Note: Node.js uses V8 but this CVE affects browser V8 specifically');
    console.log('Running structural tests only...\n');
    
    testBasicTypeConfusion();
    testJIT();
    
    // Check if exploit files exist
    console.log('\n[Test] File Structure Check...');
    const files = ['exploit.js', 'exploit.html', 'advanced-exploit.js'];
    files.forEach(file => {
        const exists = fs.existsSync(path.join(__dirname, file));
        console.log(`${file}: ${exists ? '✓' : '✗'}`);
    });
    
} else {
    // Browser environment - run actual tests
    testBasicTypeConfusion();
    testJIT();
    
    console.log('\n[Test] Ready to run full exploit');
    console.log('Open exploit.html in the browser to execute the PoC');
}

console.log('\n✓ Tests complete');