import knex from 'knex';
import 'dotenv/config';

/**
 * Knex.js configuration for query helper
 * 
 * Uses the same database connection settings as pool.js
 * but creates a separate Knex instance for the query builder.
 * 
 * Note: This is separate from db/pool.js which uses the native pg Pool.
 * Both can coexist - pool.js for existing raw SQL queries,
 * and this for the new JSON-based query helper.
 */
const config = {
	client: 'pg',
	connection: {
		host: process.env.PGHOST || '127.0.0.1',
		port: Number(process.env.PGPORT || 5432),
		user: process.env.PGUSER || 'postgres',
		password: process.env.PGPASSWORD || 'postgres',
		database: process.env.PGDATABASE || 'postgres',
	},
	pool: {
		min: 2,
		max: 10,
	},
};

const db = knex(config);

export default db;