namespace MeetingAssistant.Recording;

public interface IMeetingInactivityPromptService
{
    Task ShowStopPromptAsync(
        MeetingInactivityPromptRequest request,
        Func<MeetingInactivityPromptResponse, CancellationToken, Task> handleResponseAsync,
        CancellationToken cancellationToken);

    Task DismissAllAsync(CancellationToken cancellationToken);
}

public sealed record MeetingInactivityPromptRequest(
    TimeSpan InactivityDuration,
    DateTimeOffset SuggestedEndTime,
    int PromptIndex,
    TimeSpan Threshold);

public enum MeetingInactivityPromptResponse
{
    Dismissed,
    Continue,
    Pause,
    Stop
}

internal sealed record MeetingInactivityPromptAction(
    string Content,
    string ResponseArgument,
    MeetingInactivityPromptResponse Response);

internal static class MeetingInactivityPromptActions
{
    public static IReadOnlyList<MeetingInactivityPromptAction> All { get; } =
    [
        new("Yes", "stop", MeetingInactivityPromptResponse.Stop),
        new("No", "continue", MeetingInactivityPromptResponse.Continue),
        new("Pause transcription", "pause", MeetingInactivityPromptResponse.Pause)
    ];

    public static MeetingInactivityPromptResponse ParseResponse(string? value)
    {
        return All.FirstOrDefault(action =>
                action.ResponseArgument.Equals(value, StringComparison.OrdinalIgnoreCase))
            ?.Response ?? MeetingInactivityPromptResponse.Continue;
    }
}

public sealed class NoopMeetingInactivityPromptService : IMeetingInactivityPromptService
{
    public Task ShowStopPromptAsync(
        MeetingInactivityPromptRequest request,
        Func<MeetingInactivityPromptResponse, CancellationToken, Task> handleResponseAsync,
        CancellationToken cancellationToken)
    {
        return Task.CompletedTask;
    }

    public Task DismissAllAsync(CancellationToken cancellationToken)
    {
        return Task.CompletedTask;
    }
}