import fs from 'fs';

// Test dcraw library functionality

async function testDcrawLibrary() {

console.log('🧪 Testing dcraw library...');

try {

const dcraw = require('dcraw');

console.log('✅ dcraw library loaded successfully');

// Check if dcraw function is available

if (typeof dcraw === 'function') {

console.log('✅ dcraw function is available');

// Test with an invalid buffer to see error handling

try {

const testBuffer = Buffer.from('invalid dng data');

const result = dcraw(testBuffer, { identify: true });

console.log('📋 Test result:', result);

} catch (error) {

console.log('⚠️ Expected error for invalid data:', error instanceof Error ? error.message : String(error));

}

} else {

console.log('❌ dcraw is not a function, type:', typeof dcraw);

console.log('📋 dcraw object:', dcraw);

}

} catch (error) {

console.error('❌ Failed to load dcraw:', error);

// Let's try alternative approaches

console.log('\n🔄 Trying alternative DNG processing approaches...');

// Test sharp with a simple image conversion

try {

const sharp = require('sharp');

console.log('✅ Sharp library loaded successfully');

// Create a simple test to ensure sharp works

const testImageBuffer = Buffer.alloc(100 * 100 * 3, 128); // Simple gray image

console.log('📊 Created test image buffer of size:', testImageBuffer.length);

} catch (sharpError) {

console.error('❌ Sharp error:', sharpError);

}

}

}

if (require.main === module) {

testDcrawLibrary().catch(console.error);

}