How to Build a Ai Youtube Generator

// YouTube content package generator
  async function generateYouTubePackage(topic, channelStyle) {
  const response = await fetch('https://api.openai.com/v1/chat/completions', {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${process.env.OPENAI_API_KEY}`,
      'Content-Type': 'application/json'
    },
    body: JSON.stringify({
      model: 'gpt-4o',
      messages: [{
        role: 'system',
        content: `Generate a complete YouTube video package. Return JSON with:
  - titles: array of 5 title options (under 60 chars, curiosity-driven)
  - description: SEO-optimized description with timestamps
  - tags: 15 relevant tags mixing broad and specific
  - script: full video script with [HOOK], [INTRO], [MAIN], [CTA] sections
  - thumbnailPrompt: DALL-E prompt for a clickable thumbnail`
      }, {
        role: 'user',
        content: `Topic: ${topic}\nChannel style: ${channelStyle}`
      }],
      temperature: 0.8,
      response_format: { type: 'json_object' }
    })
  });

  const data = await response.json();
  return JSON.parse(data.choices[0].message.content);
  }