using Microsoft.Agents.AI.Compaction;

namespace MeetingAssistant.Summary;

#pragma warning disable MAAI001
public sealed class LiteLlmResponsesCompactionOptions
{
    public bool Enabled { get; init; }

    public int ContextWindowTokens { get; init; }

    public int MaxOutputTokens { get; init; }

    public double RemainingRatio { get; init; }

    public string CompactPath { get; init; } = "responses/compact";

    public CompactionStrategy? FallbackStrategy { get; init; }

    public int TriggerTokens
    {
        get
        {
            var contextWindow = Math.Max(1, ContextWindowTokens);
            var outputReserve = Math.Clamp(MaxOutputTokens, 0, contextWindow - 1);
            var inputBudget = contextWindow - outputReserve;
            var remainingRatio = Math.Clamp(RemainingRatio, 0.01, 0.90);
            return Math.Max(1, (int)Math.Floor(inputBudget * (1 - remainingRatio)));
        }
    }
}
#pragma warning restore MAAI001