using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using BITFALL.Hotkey;
using BITKit;
using BITKit.IData;
using UnityEngine;

namespace BITFALL.Industry
{
	public class UnityWorldComputer:UnityNetDevice,IDescription,IHotkeyCollection
	{
		public class ShowHDDData
		{
			public ShowHDDData(IDataStorage dataStorage, IBasicItem item = null)
			{
				DataStorage = dataStorage;
				var infoBuilder = new StringBuilder();
				if (item is not null)
					infoBuilder.AppendLine($"ID:{item.Id}");
				infoBuilder.AppendLine($"数据长度:{dataStorage.Data.Length}");
				infoBuilder.AppendLine($"只读:{dataStorage.ReadOnly}");
				infoBuilder.AppendLine($"加密:{dataStorage.Encrypted}");
				Info = infoBuilder.ToString();
			}

			private readonly IDataStorage DataStorage;
			[Export,ReadOnly(HideLabel = true)] private string Info;
			[Export(name:"数据内容"),ReadOnly]
			private string Data;
			[Export(name:"解密数据")]
			private void Execute()
			{
				Data = DataStorage.Data;
			}
			[Export(name:"复制数据")]
			private void Copy()
			{
				GUIUtility.systemCopyBuffer = Data;
			}
		}
		public new INetConnectionType Connection { get; set; }
		public string Name=>Connection is not null?$"Connected,Bandwidth:{Connection.Bandwidth}":"Disconnected";
		protected override void OnTick(float obj)
		{
			base.OnTick(obj);
			var nets =new InGameNetServiceSingleton().SearchDevices(transform.position, 8,0);
			if (nets is null or {Length:0})
			{
				Connection = null;
				return;
			}
			var max = nets.OrderBy(x => x.Connection.Bandwidth).Last();
			Connection = max.Connection;
		}
		public IEnumerable<IHotkeyProvider> Hotkeys => _hotkeyProviders.ToArray();
		private readonly List<IHotkeyProvider> _hotkeyProviders=new();
		public void Register(IHotkeyProvider hotkey)=>_hotkeyProviders.Add(hotkey);
		public void UnRegister(IHotkeyProvider hotkey)=>_hotkeyProviders.Remove(hotkey);

		protected override void Start()
		{
			base.Start();
			if (worldItemObject is { Item: not null } is false) return;
			if (worldItemObject.Item.TryGetProperty<GameComputerModified>(out var computerModified) is false)
				return;
			if (computerModified.Modified.TryGetValue(new ComputerExternalHDD(), out var disk) is false)
				return;
			if (disk is not IBasicItem diskItem ||
			    diskItem.TryGetProperty<IDataStorage>(out var dataStorage) is false)
				return;
			Register(new HotkeyProvider()
			{
				Data =new BindableData(new ShowHDDData(dataStorage,diskItem)),
				Description = dataStorage.Encrypted ? "已加密" : "未加密",
				HoldDuration = 5,
				Enabled = true,
				Name = $"获取{worldItemObject.Item.Name}中的数据",
			});
		}
	}

}