worker.js

/**
 * Cloudflare Worker: cvroast-dev
 *
 * Routes /api/roast (POST/OPTIONS) to the Claude-powered CV scorer.
 * Everything else falls through to static assets (index.html, images, etc.).
 *
 * Required bindings:
 *   - Secret:       ANTHROPIC_API_KEY
 *   - KV namespace: RATE_LIMIT
 */

import { handleRoast, handleFetchJd, handleCors } from './functions/api/roast.js';
import { handleSignup, handleSignupCors } from './functions/api/signup.js';
import { handleStats, handleStatsCors } from './functions/api/stats.js';
import { handleFeedback, handleFeedbackCors } from './functions/api/feedback.js';

export default {
  async fetch(request, env, ctx) {
    const url = new URL(request.url);

    if (url.pathname === '/api/feedback') {
      if (request.method === 'OPTIONS') return handleFeedbackCors();
      if (request.method === 'POST') return handleFeedback(request, env);
      return new Response('Method not allowed', { status: 405 });
    }

    if (url.pathname === '/api/roast') {
      if (request.method === 'OPTIONS') return handleCors();
      if (request.method === 'POST') return handleRoast(request, env);
      return new Response('Method not allowed', { status: 405 });
    }

    if (url.pathname === '/api/fetch-jd') {
      if (request.method === 'OPTIONS') return handleCors();
      if (request.method === 'POST') return handleFetchJd(request);
      return new Response('Method not allowed', { status: 405 });
    }

    if (url.pathname === '/api/signup') {
      if (request.method === 'OPTIONS') return handleSignupCors();
      if (request.method === 'POST') return handleSignup(request, env);
      return new Response('Method not allowed', { status: 405 });
    }

    if (url.pathname === '/api/stats') {
      if (request.method === 'OPTIONS') return handleStatsCors();
      if (request.method === 'GET') return handleStats(request, env);
      return new Response('Method not allowed', { status: 405 });
    }

    const response = await env.ASSETS.fetch(request);

    if (url.pathname === '/feedback' || url.pathname === '/feedback.html') {
      ctx.waitUntil(incrementPageView(env, 'feedback'));
    }

    return response;
  },
};

async function incrementPageView(env, page) {
  if (!env.RATE_LIMIT) return;
  const key = `views:${page}`;
  const raw = await env.RATE_LIMIT.get(key);
  const count = (parseInt(raw, 10) || 0) + 1;
  await env.RATE_LIMIT.put(key, String(count));
}