Auto-summarize meeting notes into Notion

async function summarizeTranscript(transcript, meetingTitle) {
  const response = await fetch('https://api.anthropic.com/v1/messages', {
    method: 'POST',
    headers: {
      'x-api-key': process.env.ANTHROPIC_API_KEY,
      'anthropic-version': '2023-06-01',
      'content-type': 'application/json'
    },
    body: JSON.stringify({
      model: 'claude-3-5-sonnet-20241022',
      max_tokens: 1500,
      temperature: 0.2,
      system: 'You are an executive assistant. Summarize meeting transcripts into structured sections: 1) Executive Summary, 2) Key Decisions, 3) Action Items, 4) Open Questions. Use clear bullet points.',
      messages: [{
        role: 'user',
        content: `Please summarize this meeting transcript titled "${meetingTitle}":\n\n${transcript}`
      }]
    })
  });

  if (!response.ok) {
    const err = await response.text();
    throw new Error(`Claude API error (${response.status}): ${err}`);
  }

  const data = await response.json();
  return data.content[0].text;
}

function textToNotionBlocks(summaryText) {
  const lines = summaryText.split('\n').filter(line => line.trim() !== '');
  const blocks = [];

  for (const line of lines) {
    const trimmed = line.trim();
    if (trimmed.startsWith('#') || trimmed.match(/^[0-9]+\)/) || trimmed.endsWith(':')) {
      const cleanHeader = trimmed.replace(/^#+\s*/, '').replace(/^[0-9]+\)\s*/, '');
      blocks.push({
        object: 'block',
        type: 'heading_2',
        heading_2: {
          rich_text: [{ type: 'text', text: { content: cleanHeader } }]
        }
      });
    } else if (trimmed.startsWith('- ') || trimmed.startsWith('* ')) {
      blocks.push({
        object: 'block',
        type: 'bulleted_list_item',
        bulleted_list_item: {
          rich_text: [{ type: 'text', text: { content: trimmed.replace(/^[-*]\s+/, '') } }]
        }
      });
    } else {
      blocks.push({
        object: 'block',
        type: 'paragraph',
        paragraph: {
          rich_text: [{ type: 'text', text: { content: trimmed } }]
        }
      });
    }
  }
  return blocks;
}

async function createNotionMeetingPage(meetingTitle, meetingDate, summaryBlocks) {
  const response = await fetch('https://api.notion.com/v1/pages', {
    method: 'POST',
    headers: {
      'Authorization': `Bearer ${process.env.NOTION_TOKEN}`,
      'Notion-Version': '2022-06-28',
      'content-type': 'application/json'
    },
    body: JSON.stringify({
      parent: { database_id: process.env.NOTION_DATABASE_ID },
      properties: {
        Name: {
          title: [{ type: 'text', text: { content: meetingTitle } }]
        }
      },
      children: summaryBlocks
    })
  });

  if (!response.ok) {
    const err = await response.text();
    throw new Error(`Notion API error (${response.status}): ${err}`);
  }

  return await response.json();
}

async function processMeetingTranscript(transcript, meetingTitle = 'Untitled Meeting') {
  console.log(`Starting summarization for: ${meetingTitle}`);
  const summary = await summarizeTranscript(transcript, meetingTitle);
  const blocks = textToNotionBlocks(summary);
  const newPage = await createNotionMeetingPage(meetingTitle, new Date().toISOString(), blocks);
  console.log(`Successfully created Notion page: ${newPage.url}`);
  return newPage;
}