Claude API Wrapper

CLWrapper.tsx

import * as functions from 'firebase-functions';
import fetch from 'node-fetch';

const CLAUDE_API_KEY = process.env.CLAUDE_API_KEY;
const CLAUDE_API_URL = 'https://api.anthropic.com/v1/messages';

export const claudeReview = functions.https.onRequest(async (req, res) => {
  if (req.method !== 'POST') {
    return res.status(405).send('Method Not Allowed');
  }

  const { diff, prompt } = req.body;

  if (!diff || !prompt) {
    return res.status(400).json({ error: 'Missing diff or prompt in request body.' });
  }

  try {
    const fullPrompt = `${prompt}\n\n---\n\n${diff}`;

    const claudeRes = await fetch(CLAUDE_API_URL, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'x-api-key': CLAUDE_API_KEY || '',
        'anthropic-version': '2023-06-01'
      },
      body: JSON.stringify({
        model: 'claude-3-opus-20240229',
        max_tokens: 1000,
        temperature: 0.3,
        messages: [
          {
            role: 'user',
            content: fullPrompt
          }
        ]
      })
    });

    const result = await claudeRes.json();
    const message = result?.content?.[0]?.text || 'No content returned.';

    return res.status(200).json({ review: message });
  } catch (error) {
    console.error('Claude API error:', error);
    return res.status(500).json({ error: 'Internal error while querying Claude.' });
  }
});