// src/index.js

import { renderHtml } from './renderHtml.js';

addEventListener('fetch', event => {
  event.respondWith(handleRequest(event.request));
});

/**
 * Handles incoming HTTP requests.
 * @param {Request} request
 * @returns {Promise<Response>}
 */
async function handleRequest(request) {
  const { pathname } = new URL(request.url);

  if (pathname === '/') {
    const html = await renderHtml();
    return new Response(html, { headers: { 'Content-Type': 'text/html;charset=UTF-8' } });
  } else if (pathname === '/generate') {
    return new Response(JSON.stringify(getSlides()), {
      headers: { 'Content-Type': 'application/json' },
    });
  } else {
    return new Response('Not Found', { status: 404 });
  }
}

/**
 * Returns predefined slide data.
 * @returns {Object}
 */
function getSlides() {
  return {
    slides: [
      {
        heading: "Welcome to Melinda AI",
        content: "Create stunning video presentations effortlessly.",
        imageUrl: "https://source.unsplash.com/1600x900/?presentation",
        videoUrl: "https://www.youtube.com/embed/dQw4w9WgXcQ",
        animation: "fadeIn",
        codeSnippet: 'function greet(name) {\n  return `Hello, ${name}!`;\n}',
        speakerNotes: "Introduce Melinda AI and its capabilities.",
        theme: "default",
        languages: ["en"],
      },
      {
        heading: "Smooth Transitions",
        content: "Experience seamless transitions with cinematic effects.",
        imageUrl: "https://source.unsplash.com/1600x900/?animation",
        animation: "slideInUp",
        codeSnippet: 'gsap.from(".slide-heading", { duration: 2, y: -50, opacity: 0 });',
        speakerNotes: "Demonstrate animation improvements.",
        theme: "dark",
        languages: ["en"],
      },
      {
        heading: "Interactive Elements",
        content: "Engage your audience with interactive buttons and polls.",
        imageUrl: "https://source.unsplash.com/1600x900/?interactive",
        animation: "zoomIn",
        codeSnippet: '<button onclick="startPoll()" class="bg-green-500 text-white px-4 py-2 rounded">Start Poll</button>',
        speakerNotes: "Explain benefits of interactivity.",
        theme: "light",
        languages: ["en"],
      },
      {
        heading: "Multimedia Integration",
        content: "Incorporate videos and images seamlessly into your presentations.",
        imageUrl: "https://source.unsplash.com/1600x900/?multimedia",
        videoUrl: "https://www.youtube.com/embed/5NV6Rdv1a3I",
        animation: "fadeIn",
        codeSnippet: '<div class="video-container">\n  <iframe src="https://www.youtube.com/embed/5NV6Rdv1a3I" allowfullscreen></iframe>\n</div>',
        speakerNotes: "Highlight multimedia importance.",
        theme: "default",
        languages: ["en"],
      },
      {
        heading: "Accessibility & Themes",
        content: "Ensure your presentations are accessible with customizable themes.",
        imageUrl: "https://source.unsplash.com/1600x900/?accessibility",
        animation: "slideInUp",
        codeSnippet: 'body.theme-dark {\n  background-color: #1a202c;\n  color: #a0aec0;\n}',
        speakerNotes: "Discuss accessibility features.",
        theme: "dark",
        languages: ["en"],
      },
      // Add more slides here to cover all desired features (up to 30)
    ],
  };
}