using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Security.Cryptography;
using System.Threading;
using Questionable.Model.IO;
using Questionable.Model.Questing;

namespace Questionable.QuestPaths;

internal static class AssemblyQuestLoader
{
	private static readonly Lazy<IReadOnlyDictionary<ElementId, QuestRoot>> Quests = new Lazy<IReadOnlyDictionary<ElementId, QuestRoot>>(LoadQuests, LazyThreadSafetyMode.ExecutionAndPublication);

	internal static TimeSpan? DecodeDuration { get; private set; }

	internal static Stream QuestSchema => typeof(AssemblyQuestLoader).Assembly.GetManifestResourceStream("Questionable.QuestPaths.QuestSchema");

	internal static IReadOnlyDictionary<ElementId, QuestRoot> GetQuests()
	{
		return Quests.Value;
	}

	internal static string? GetQuestPath(ElementId questId)
	{
		return null;
	}

	private static IReadOnlyDictionary<ElementId, QuestRoot> LoadQuests()
	{
		Stopwatch stopwatch = Stopwatch.StartNew();
		using Stream stream = typeof(AssemblyQuestLoader).Assembly.GetManifestResourceStream("Questionable.QuestPaths.QuestBundle");
		byte[] array = PathBundleSecret.Key();
		List<KeyValuePair<string, QuestRoot>> list = PathBundle.Deserialize<QuestRoot>(stream, array);
		CryptographicOperations.ZeroMemory(array);
		Dictionary<ElementId, QuestRoot> dictionary = new Dictionary<ElementId, QuestRoot>(list.Count);
		foreach (var (value, value2) in list)
		{
			dictionary[ElementId.FromString(value)] = value2;
		}
		DecodeDuration = stopwatch.Elapsed;
		return dictionary;
	}
}