namespace NeonSprawl.Server.Game.Quests;

/// <summary>Applies dev-only quest progress fixture writes (NEO-137 Bruno/manual QA).</summary>
public static class QuestFixtureOperations
{
    /// <summary>
    /// Marks each quest completed via store activate + mark-complete (no reward delivery).
    /// Idempotent when a quest is already completed.
    /// </summary>
    public static bool TryApply(
        string playerId,
        QuestFixtureRequest body,
        IQuestDefinitionRegistry questRegistry,
        IPlayerQuestStateStore progressStore,
        TimeProvider timeProvider)
    {
        if (body.CompletedQuestIds.Count == 0)
        {
            return true;
        }

        if (!progressStore.CanWritePlayer(playerId))
        {
            return false;
        }

        foreach (var questId in body.CompletedQuestIds)
        {
            if (!questRegistry.TryNormalizeKnown(questId, out var normalizedQuestId))
            {
                return false;
            }

            if (progressStore.TryGetProgress(playerId, normalizedQuestId, out var existing) &&
                existing.Status == QuestProgressStatus.Completed)
            {
                continue;
            }

            if (!progressStore.TryGetProgress(playerId, normalizedQuestId, out _))
            {
                if (!progressStore.TryActivate(playerId, normalizedQuestId, out _))
                {
                    return false;
                }
            }

            if (progressStore.TryMarkComplete(
                    playerId,
                    normalizedQuestId,
                    timeProvider.GetUtcNow(),
                    out _))
            {
                continue;
            }

            if (progressStore.TryGetProgress(playerId, normalizedQuestId, out var afterAttempt) &&
                afterAttempt.Status == QuestProgressStatus.Completed)
            {
                continue;
            }

            return false;
        }

        return true;
    }
}