#!/usr/bin/env node

import pg from 'pg';
const { Pool } = pg;

// Database configuration
const pool = new Pool({
  host: 'infra.agiliton.internal',
  port: 5432,
  database: 'agiliton',
  user: 'agiliton',
  password: 'QtqiwCOAUpQNF6pjzOMAREzUny2bY8V1',
  max: 5,
});

// LiteLLM API configuration
const LLM_API_URL = 'https://api.agiliton.cloud/llm';
const LLM_API_KEY = 'sk-litellm-master-key';

async function getEmbedding(text) {
  try {
    const response = await fetch(`${LLM_API_URL}/v1/embeddings`, {
      method: 'POST',
      headers: {
        'Authorization': `Bearer ${LLM_API_KEY}`,
        'Content-Type': 'application/json',
      },
      body: JSON.stringify({
        model: 'mxbai-embed-large',
        input: text,
      }),
    });

    if (!response.ok) {
      console.error('Embedding API error:', response.status, await response.text());
      return null;
    }

    const data = await response.json();
    return data.data?.[0]?.embedding || null;
  } catch (error) {
    console.error('Embedding generation failed:', error);
    return null;
  }
}

async function regenerateEmbeddings() {
  try {
    // Fetch all tool_docs
    const result = await pool.query(
      'SELECT id, tool_name, title, description, notes, tags FROM tool_docs WHERE embedding IS NULL'
    );

    console.log(`Found ${result.rows.length} tool_docs without embeddings`);

    let successCount = 0;
    let failCount = 0;

    for (const row of result.rows) {
      const embedText = `${row.title}. ${row.description}. ${row.tags?.join(' ') || ''}. ${row.notes || ''}`;

      console.log(`Generating embedding for: ${row.tool_name}`);
      const embedding = await getEmbedding(embedText);

      if (embedding) {
        const embeddingStr = `[${embedding.join(',')}]`;
        await pool.query(
          'UPDATE tool_docs SET embedding = $1 WHERE id = $2',
          [embeddingStr, row.id]
        );
        successCount++;
        console.log(`  ✓ ${row.tool_name} (${successCount}/${result.rows.length})`);
      } else {
        failCount++;
        console.log(`  ✗ ${row.tool_name} - Failed to generate embedding`);
      }

      // Small delay to avoid rate limiting
      await new Promise(resolve => setTimeout(resolve, 100));
    }

    console.log(`\n✅ Complete: ${successCount} successful, ${failCount} failed`);
  } catch (error) {
    console.error('Error:', error);
  } finally {
    await pool.end();
  }
}

regenerateEmbeddings();