#!/usr/bin/env node

/**
 * Script to verify the rate_limits table exists in Supabase
 */

const { createClient } = require('@supabase/supabase-js');
const fs = require('fs');
const path = require('path');

// Load .env.local manually
const envPath = path.join(__dirname, '..', '.env.local');
if (fs.existsSync(envPath)) {
  const envContent = fs.readFileSync(envPath, 'utf8');
  envContent.split('\n').forEach(line => {
    const trimmed = line.trim();
    const match = trimmed.match(/^([^=:#]+)=(.*)$/);
    if (match) {
      const key = match[1].trim();
      const value = match[2].trim();
      if (!process.env[key]) {
        process.env[key] = value;
      }
    }
  });
}

async function verifyMigration() {
  const supabaseUrl = process.env.NEXT_PUBLIC_SUPABASE_URL;
  const supabaseAnonKey = process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY;

  if (!supabaseUrl || !supabaseAnonKey) {
    console.error('❌ Error: Missing Supabase credentials in .env.local');
    process.exit(1);
  }

  console.log('🔍 Verifying rate_limits table in Supabase...\n');

  const supabase = createClient(supabaseUrl, supabaseAnonKey);

  try {
    // Try to query the rate_limits table
    const { data, error } = await supabase
      .from('rate_limits')
      .select('*')
      .limit(1);

    if (error) {
      if (error.code === '42P01') {
        console.error('❌ Table "rate_limits" does not exist yet.\n');
        console.error('📝 Please apply the migration manually:');
        console.error('   1. Go to https://app.supabase.com/project/mxadgucxhmstlzsbgmoz/sql');
        console.error('   2. Copy the contents of supabase/migrations/20260125_create_rate_limits_table.sql');
        console.error('   3. Paste into the SQL editor and click "Run"');
        console.error('   4. Run this script again to verify\n');
        process.exit(1);
      } else if (error.code === 'PGRST301' || error.message.includes('JWT')) {
        console.error('❌ Authentication error. Table may exist but is not accessible with anon key.\n');
        console.error('📝 Please verify manually:');
        console.error('   1. Go to https://app.supabase.com/project/mxadgucxhmstlzsbgmoz/editor');
        console.error('   2. Check if "rate_limits" table appears in the table list\n');
        process.exit(1);
      } else {
        throw error;
      }
    }

    console.log('✅ Table "rate_limits" exists and is accessible!');
    console.log(`📊 Current records: ${data ? data.length : 0}\n`);

    // Try to get table schema info
    console.log('🔍 Verifying table schema...');
    const { data: schemaData, error: schemaError } = await supabase
      .from('rate_limits')
      .select('identifier, count, window_start, created_at, updated_at')
      .limit(0);

    if (schemaError && !schemaError.message.includes('no rows')) {
      console.warn('⚠️  Could not verify all columns:', schemaError.message);
    } else {
      console.log('✅ All expected columns are present!\n');
    }

    console.log('✅ Migration verification successful!');
    console.log('📊 View table at: https://app.supabase.com/project/mxadgucxhmstlzsbgmoz/editor/rate_limits\n');

  } catch (error) {
    console.error('❌ Error during verification:', error.message);
    console.error('\nDetails:', error);
    process.exit(1);
  }
}

verifyMigration();