namespace NeonSprawl.Server.Game.Quests;

/// <summary>Immutable per-player quest progress snapshot (NEO-116; module contract <c>QuestStepState</c>).</summary>
public sealed class QuestStepState(
    string playerId,
    string questId,
    QuestProgressStatus status,
    int currentStepIndex,
    IReadOnlyDictionary<string, int> objectiveCounters,
    DateTimeOffset? completedAt)
{
    public string PlayerId { get; } = playerId;

    public string QuestId { get; } = questId;

    public QuestProgressStatus Status { get; } = status;

    public int CurrentStepIndex { get; } = currentStepIndex;

    /// <summary>Objective id → accumulated count for the <see cref="CurrentStepIndex"/> step only.</summary>
    public IReadOnlyDictionary<string, int> ObjectiveCounters { get; } = objectiveCounters;

    public DateTimeOffset? CompletedAt { get; } = completedAt;
}