const { createClient } = require('@supabase/supabase-js');
require('dotenv').config();

const supabase = createClient(process.env.SUPABASE_URL, process.env.SUPABASE_SERVICE_KEY);

async function fixTableSchema() {
  console.log('🔧 Checking current document_chunks table schema...');
  
  // First, let's see the current table structure
  const { data: columns, error } = await supabase
    .from('information_schema.columns')
    .select('column_name, data_type')
    .eq('table_name', 'document_chunks')
    .eq('table_schema', 'public');
    
  if (error) {
    console.log('❌ Could not fetch table schema:', error.message);
    return;
  }
  
  console.log('📋 Current columns:', columns.map(c => `${c.column_name} (${c.data_type})`));
  
  // Check if chunk_index exists (might be named differently)
  const hasChunkIndex = columns.some(c => c.column_name === 'chunk_index');
  const hasChunkIndexCamel = columns.some(c => c.column_name === 'chunkIndex');
  
  console.log('Has chunk_index:', hasChunkIndex);
  console.log('Has chunkIndex:', hasChunkIndexCamel);
  
  if (!hasChunkIndex && !hasChunkIndexCamel) {
    console.log('⚠️  Missing chunk index column. This explains the error.');
    console.log('');
    console.log('🛠️  To fix this, run the following SQL in Supabase:');
    console.log('ALTER TABLE document_chunks ADD COLUMN chunk_index INTEGER;');
  } else {
    console.log('✅ Chunk index column exists');
  }
}

fixTableSchema();