using System;
using Microsoft.Extensions.Configuration;
using Npgsql;

namespace BackgroundBuilder.Services
{
    public class DatabaseService(IConfiguration config)
    {
        private readonly string _connString = config.GetConnectionString("ContatosDb")
                          ?? throw new InvalidOperationException("Missing connection string 'ContatosDb'.");

        public NpgsqlConnection CreateConnection()
        {
            var conn = new NpgsqlConnection(_connString);
            conn.Open();
            return conn;
        }
    }
}