using System;
using System.Collections.Generic;
using System.IO;
using System.Reflection;
using SPT.Reflection.Patching;
using EFT;
using Comfort.Common;
using EFT.Interactive;
using Newtonsoft.Json;
using UnityEngine;

namespace SPT.Debugging.Patches
{
	public class StaticLootDumper : ModulePatch 
	{
		public static string DumpFolder = Path.Combine(Environment.CurrentDirectory, "StaticDumps");

		protected override MethodBase GetTargetMethod()
		{
			return typeof(GameWorld).GetMethod(nameof(GameWorld.OnGameStarted));
		}

		[PatchPrefix]
		public static void PatchPreFix()
		{
			InitDirectory();
			
			var gameWorld = Singleton<GameWorld>.Instance;
			string mapName = gameWorld.MainPlayer.Location.ToLower();

			var containersData = new SPTContainersData();

			Resources.FindObjectsOfTypeAll(typeof(LootableContainersGroup)).ExecuteForEach(obj =>
			{
				var containersGroup = (LootableContainersGroup)obj;
				var sptContainersGroup = new SPTContainersGroup { minContainers = containersGroup.Min, maxContainers = containersGroup.Max };
				if (containersData.containersGroups.ContainsKey(containersGroup.Id))
				{
					Logger.LogError($"Container group ID {containersGroup.Id} already exists in dictionary!");
				}
				else
				{
					containersData.containersGroups.Add(containersGroup.Id, sptContainersGroup);
				}
			});

			Resources.FindObjectsOfTypeAll(typeof(LootableContainer)).ExecuteForEach(obj =>
			{
				var container = (LootableContainer)obj;

				// Skip empty ID containers
				if (container.Id.Length == 0)
				{
					return;
				}

				if (containersData.containers.ContainsKey(container.Id))
				{
					Logger.LogError($"Container {container.Id} already exists in dictionary!");
				}
				else
				{
					containersData.containers.Add(container.Id, new SPTContainer { groupId = container.LootableContainersGroupId });
				}
			});

			string jsonString = JsonConvert.SerializeObject(containersData, Formatting.Indented);

			string outputFile = Path.Combine(DumpFolder, $"{mapName}.json");
			if (File.Exists(outputFile))
			{
				File.Delete(outputFile);
			}
			File.Create(outputFile).Dispose();
			StreamWriter streamWriter = new StreamWriter(outputFile);
			streamWriter.Write(jsonString);
			streamWriter.Flush();
			streamWriter.Close();
		}

		public static void InitDirectory()
		{
			Directory.CreateDirectory(DumpFolder);
		}
	}
	
	public class SPTContainer
	{
		public string groupId;
	}

	public class SPTContainersGroup
	{
		public int minContainers;
		public int maxContainers;
	}

	public class SPTContainersData
	{
		public Dictionary<string, SPTContainersGroup> containersGroups = new Dictionary<string, SPTContainersGroup>();
		public Dictionary<string, SPTContainer> containers = new Dictionary<string, SPTContainer>();
	}

}