How to Build a Ai Story Generator

// Interactive story generator with state tracking
  async function generateStorySegment(storyState, userChoice) {
  const { characters, worldRules, previousSegments, genre } = storyState;

  const context = `Genre: ${genre}
  Characters: ${JSON.stringify(characters)}
  World rules: ${worldRules}
  Story so far (summary): ${previousSegments.slice(-3).join('\n')}`;

  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: `You are a ${genre} fiction writer. Continue the story based on the reader's choice. Write 300-500 words. End with 2-3 choices for the reader.` },
        { role: 'system', content: context },
        { role: 'user', content: userChoice || 'Begin the story.' }
      ],
      temperature: 0.85,
      max_tokens: 1000
    })
  });

  return response.json();
  }