using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;

#if UNITY_EDITOR
using UnityEditor;
#endif

using UnityEngine;

namespace BITKit.Mod
{
	public class UnityModService : MonoBehaviour
	{
		[SerializeReference,SubclassSelector] private IReference[] referencedAssemblies;
		[SerializeField] private bool loadLocalPackageOnStart;
		private async void Start()
		{

			if (Application.isEditor is false)
			{
				BIT4Log.Log<UnityModService>($"UnityPlayer所在位置:{Application.dataPath}");

				BIT4Log.Log<UnityModService>($"{nameof(System.Linq)}位于{typeof(Enumerable).Assembly.Location}");
			}
			
		
			foreach (var x in referencedAssemblies)
			{
				var dllName = x.Value.Contains(".dll") ? x.Value : $"{x.Value}.dll";
#if UNITY_EDITOR
				var dll = System.IO.Path.Combine(Environment.CurrentDirectory, "Library", "ScriptAssemblies",dllName);
				var folder = EditorApplication.applicationPath;
				folder = Path.GetDirectoryName(folder);
               if(File.Exists(dll) is false)
               {
				   dll = Path.Combine(folder,"Data", "MonoBleedingEdge", "lib","mono","unityjit-win32",dllName);
			   }
               if (File.Exists(dll) is false)
               {
	               dll = Path.Combine(folder,"Data", "MonoBleedingEdge", "lib","mono","unityjit-win32","Facades",dllName);
               }
#else
				 var dll = System.IO.Path.Combine(Environment.CurrentDirectory,$"{Application.productName}_Data", "Managed", dllName);
#endif
				
				if (System.IO.File.Exists(dll) is false)
				{
					BIT4Log.Warning<UnityModService>($"未找到:{dll}");
				}
				BITSharp.ReferencedAssemblies.Add(@$"""{dll}""");
			}

			try
			{
				ModService.Initialize();
			}
			catch (Exception e)
			{
				BIT4Log.Warning<UnityModService>("初始化失败");
				BIT4Log.LogException(e);
				return;
			}
			
			destroyCancellationToken.Register(ModService.Dispose);

			if (!loadLocalPackageOnStart) return;
			
			var packages = await ModService.SearchPackages();
			if (destroyCancellationToken.IsCancellationRequested) return;
			foreach (var package in packages)
			{
				await ModService.LoadFromPackage(package.PackagePath);
				if (destroyCancellationToken.IsCancellationRequested) return;
			}
		}
	}
}