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Viewing file:     aiService.js (2.44 KB)      -rw-r--r--

const config = require('../config/config');
const { AppError } = require('../middleware/errorHandler');

exports.generateAISummary = async ({ meeting, notes, transcripts }) => {
  try {
    const prompt = buildSummaryPrompt(meeting, notes, transcripts);

    const response = await fetch(`${config.services.openrouter.baseUrl}/chat/completions`, {
      method: "POST",
      headers: {
        "Authorization": `Bearer ${config.services.openrouter.apiKey}`,
        "Content-Type": "application/json"
      },
      body: JSON.stringify({
        model: "openai/gpt-5-nano",
        messages: [{
          role: "system",
          content: "You are a meeting summarizer. Create concise, structured summaries in JSON format."
        }, {
          role: "user",
          content: prompt
        }],
        temperature: 0.7
      })
    });

    if (!response.ok) {
      throw new Error(`OpenRouter API error: ${response.status} ${response.statusText}`);
    }

    const data = await response.json();
    return parseSummaryResponse(data.choices[0].message.content);
  } catch (error) {
    throw new AppError('Summary generation failed: ' + error.message, 500);
  }
};

function buildSummaryPrompt(meeting, notes, transcripts) {
  // Construct prompt from meeting data
  return `Meeting Title: ${meeting.title}\n\nTranscript:\n${
    transcripts.map(t => t.content).join('\n')
  }\n\nNotes:\n${
    notes.map(n => JSON.stringify(n.content_blocks)).join('\n')
  }\n\nPlease provide a structured summary in JSON format with the following keys:\n- overview (string)\n- decisions (array of strings)\n- action_items (array of strings)\n- risks (array of strings)\n- questions (array of strings)`;
}

function parseSummaryResponse(content) {
  try {
    // Try to parse as JSON first
    const parsed = JSON.parse(content);
    return {
      overview: parsed.overview || '',
      decisions: Array.isArray(parsed.decisions) ? parsed.decisions : [],
      action_items: Array.isArray(parsed.action_items) ? parsed.action_items : [],
      risks: Array.isArray(parsed.risks) ? parsed.risks : [],
      questions: Array.isArray(parsed.questions) ? parsed.questions : []
    };
  } catch (error) {
    // If JSON parsing fails, return default structure
    console.warn('Failed to parse AI response as JSON:', error);
    return {
      overview: content.substring(0, 500), // Fallback to first 500 chars
      decisions: [],
      action_items: [],
      risks: [],
      questions: []
    };
  }
}