const { Pool } = require('pg');
require('dotenv').config();

const pool = new Pool({
  host: process.env.PG_HOST,
  port: process.env.PG_PORT,
  user: process.env.PG_USER,
  password: process.env.PG_PASS,
  database: process.env.PG_DB,
  options: '-c search_path=data,public',
  max: 10,
  idleTimeoutMillis: 30000,
});

pool.query('SELECT 1')
  .then(() => console.log('PostgreSQL connection OK'))
  .catch(err => {
    console.error('PostgreSQL connection FAILED');
    console.error(err);
    const url = process.env.ERROR_LOG_API_URL || 'https://error.xtransit.testinstance.nl/error_log';
    const controller = new AbortController();
    const timer = setTimeout(() => controller.abort(), 5000);
    fetch(url, {
      method: 'POST',
      headers: {
        'Content-Type': 'application/json',
        'x-internal-api-key': process.env.INTERNAL_API_KEY || '',
      },
      body: JSON.stringify({
        service: 'error_log_api',
        partofservice: 'startup: db connection',
        error: err.stack || err.message || String(err),
      }),
      signal: controller.signal,
    }).catch(() => {})
      .finally(() => {
        clearTimeout(timer);
        process.exit(1);
      });
  });

module.exports = {
  query: (text, params) => pool.query(text, params),
  pool,
};