namespace Nonemm.Digital;

/// The line connection to a bridge process. What is behind it is Wine in
/// production and a fake in the tests.
public interface BridgeChannel : IDisposable
{
    /// A line the bridge wrote. Raised on the reader thread.
    event EventHandler<string>? LineReceived;

    /// The bridge stopped on its own. The text says what is known about why.
    event EventHandler<string>? Failed;

    Task StartAsync(CancellationToken cancellation = default);

    Task SendAsync(string line, CancellationToken cancellation = default);

    /// The path as the engine sees it. Wine has its own drive letters, and the
    /// engine is started by name from a Windows command line.
    Task<string> ToWindowsPathAsync(string path, CancellationToken cancellation = default);
}