const https = require('https');

// Helper to call Anthropic Claude API (claude-3-5-sonnet, claude-3-opus, claude-3-5-haiku)

async function analyzeImageWithClaude(apiKey, imageBuffer, mimeType, prompt, model = 'claude-3-5-sonnet-20241022') {

const base64Data = imageBuffer.toString('base64');

let cleanMime = mimeType || 'image/jpeg';

if (cleanMime.includes('jpg')) cleanMime = 'image/jpeg';

if (!['image/jpeg', 'image/png', 'image/gif', 'image/webp'].includes(cleanMime)) {

cleanMime = 'image/jpeg';

}

const cleanModel = (model || 'claude-3-5-sonnet-20241022').trim();

const requestBody = JSON.stringify({

model: cleanModel,

max_tokens: 1500,

messages: [

{

role: 'user',

content: [

{

type: 'image',

source: {

type: 'base64',

media_type: cleanMime,

data: base64Data

}

},

{

type: 'text',

text: prompt

}

]

}

]

});

return new Promise((resolve, reject) => {

const req = https.request('https://api.anthropic.com/v1/messages', {

method: 'POST',

headers: {

'Content-Type': 'application/json',

'x-api-key': apiKey.trim(),

'anthropic-version': '2023-06-01',

'Content-Length': Buffer.byteLength(requestBody)

}

}, res => {

let data = '';

res.on('data', chunk => data += chunk);

res.on('end', () => {

try {

const parsed = JSON.parse(data);

if (parsed.error) {

return reject(new Error(parsed.error.message || 'Claude API Error'));

}

if (parsed.content && parsed.content[0] && parsed.content[0].text) {

resolve(parsed.content[0].text.trim());

} else {

reject(new Error('No response text generated by Claude'));

}

} catch (e) {

reject(new Error('Invalid response from Claude API: ' + e.message));

}

});

});

req.on('error', reject);

req.write(requestBody);

req.end();

});

}

module.exports = { analyzeImageWithClaude };