using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using BITKit.Net.LAN;
using Cysharp.Threading.Tasks;
using UnityEngine;

namespace BITKit.Mod
{
	public class UnityWorkshopClient : MonoBehaviour
	{
		[SerializeField] private int port;
		private UdpBasedLanBroadcaster _broadcaster;

		private void Start()
		{
			_broadcaster = new UdpBasedLanBroadcaster
			{
				Port = port
			};
			_broadcaster.OnReceive += OnReceive;
			_broadcaster.StartListen();
		}

		private async void OnReceive(EndPoint arg1, byte[] bytes)
		{
			await UniTask.SwitchToMainThread();
			if(destroyCancellationToken.IsCancellationRequested) return;
			var command = BITBinary.ReadAsValue(bytes);
			switch (command)
			{
					case LoadFromFolderCommand loadFromFolderCommand:
						BIT4Log.Log<UnityWorkshopClient>($"收到加载命令:{loadFromFolderCommand.FolderPath}");
						ModService.LoadFromPackage(loadFromFolderCommand.FolderPath).Forget();
						break;
					case UninstallPackageCommand uninstallPackageCommand:
						BIT4Log.Log<UnityWorkshopClient>($"收到卸载命令:{uninstallPackageCommand.PackageName}");
						var mod = ModService.Mods.SingleOrDefault(x=>x.PackageName == uninstallPackageCommand.PackageName);
						if (mod is null)
						{
							BIT4Log.Warning<UnityWorkshopClient>($"未找到包:{uninstallPackageCommand.PackageName}");
							return;
						}
						ModService.UnLoad(mod);
						ModService.UnInstall(mod);
						break;
				default:
					BIT4Log.Log<UnityWorkshopClient>($"未知命令:{command}");
					break;
			}
		}

		private void OnDestroy()
		{
			if (_broadcaster is not null)
				_broadcaster.Dispose();
		}
	}

}