import { Pool } from 'pg';
import * as dotenv from 'dotenv';
import * as path from 'path';

// Load .env.local first (takes precedence), then .env
dotenv.config({ path: path.resolve(process.cwd(), '.env.local') });
dotenv.config({ path: path.resolve(process.cwd(), '.env') });

const pool = new Pool({
  connectionString: process.env.DATABASE_URL,
});

async function checkEnrichmentDetail() {
  try {
    console.log('Connecting to database...\n');

    // Check churches awaiting enrichment
    const pendingResult = await pool.query(`
      SELECT
        country,
        COUNT(*) as pending_count
      FROM churches
      WHERE google_place_id IS NULL
      GROUP BY country
      ORDER BY pending_count DESC
      LIMIT 20;
    `);

    console.log('=== Churches Awaiting Enrichment (Top 20 Countries) ===');
    let totalPending = 0;
    pendingResult.rows.forEach((row) => {
      console.log(`${row.country}: ${row.pending_count} churches`);
      totalPending += parseInt(row.pending_count);
    });
    console.log(`\nTotal pending shown: ${totalPending}`);

    // Check total stats
    const statsResult = await pool.query(`
      SELECT
        COUNT(*) as total_churches,
        COUNT(CASE WHEN google_place_id IS NOT NULL THEN 1 END) as enriched,
        COUNT(CASE WHEN google_place_id IS NULL THEN 1 END) as pending
      FROM churches;
    `);

    console.log('\n=== Overall Stats ===');
    console.log(`Total churches: ${statsResult.rows[0].total_churches}`);
    console.log(`Enriched: ${statsResult.rows[0].enriched} (${((statsResult.rows[0].enriched / statsResult.rows[0].total_churches) * 100).toFixed(2)}%)`);
    console.log(`Pending: ${statsResult.rows[0].pending} (${((statsResult.rows[0].pending / statsResult.rows[0].total_churches) * 100).toFixed(2)}%)`);

    // Check enrichment rate
    const rateResult = await pool.query(`
      SELECT
        DATE(updated_at) as date,
        COUNT(*) as enriched_count
      FROM churches
      WHERE google_place_id IS NOT NULL
        AND updated_at > NOW() - INTERVAL '7 days'
      GROUP BY DATE(updated_at)
      ORDER BY date DESC;
    `);

    console.log('\n=== Enrichment Activity (Last 7 Days) ===');
    if (rateResult.rows.length === 0) {
      console.log('No enrichment activity in the last 7 days');
    } else {
      rateResult.rows.forEach((row) => {
        console.log(`${row.date}: ${row.enriched_count} churches`);
      });
    }

  } catch (error) {
    console.error('Error checking enrichment detail:', error);
  } finally {
    await pool.end();
  }
}

checkEnrichmentDetail();