using Npgsql;

namespace pgLabII.PgUtils.ConnectionStrings;

public sealed class ConnectionDescriptorBuilder
{
    private List<HostEndpoint> Hosts { get; } = [];
    public string? Database { get; set; }
    public string? Username { get; set; }
    public string? Password { get; set; }
    public SslMode? SslMode { get; set; }
    public string? ApplicationName { get; set; }
    public int? TimeoutSeconds { get; set; }
    public Dictionary<string, string> Properties { get; } = new(StringComparer.OrdinalIgnoreCase);

    public void AddHost(string host, ushort? port)
    {
        if (string.IsNullOrWhiteSpace(host)) return;
        Hosts.Add(new HostEndpoint { Host = host.Trim(), Port = port });
    }

    public ConnectionDescriptor Build()
    {
        return new ConnectionDescriptor
        {
            Hosts = Hosts,
            Database = Database,
            Username = Username,
            Password = Password,
            SslMode = SslMode,
            ApplicationName = ApplicationName,
            TimeoutSeconds = TimeoutSeconds,
            Properties = Properties
        };
    }
}