using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.U2D;
using UnityEngine.UI;
using YooAsset;

public class GameScene1 : MonoBehaviour
{
	public GameObject CanvasRoot;

	private readonly List<AssetOperationHandle> _cachedAssetOperationHandles = new List<AssetOperationHandle>(1000);
	private readonly List<SubAssetsOperationHandle> _cachedSubAssetsOperationHandles = new List<SubAssetsOperationHandle>(1000);
	private int _npcIndex = 0;

	void Start()
	{
		var package = YooAssets.GetAssetsPackage("DefaultPackage");
		package.UnloadUnusedAssets();

		// 初始化窗口
		InitWindow();

		// 异步加载背景音乐
		AsyncLoadMusic();
	}
	void OnDestroy()
	{
		foreach (var handle in _cachedAssetOperationHandles)
		{
			handle.Release();
		}
		_cachedAssetOperationHandles.Clear();

		foreach (var handle in _cachedSubAssetsOperationHandles)
		{
			handle.Release();
		}
		_cachedSubAssetsOperationHandles.Clear();
	}
	void OnGUI()
	{
		GUIConsole.OnGUI();
	}

	void InitWindow()
	{
		var playMode = CanvasRoot.transform.Find("play_mode/label").GetComponent<Text>();
		if (BootScene.GamePlayMode == EPlayMode.EditorSimulateMode)
			playMode.text = "编辑器下模拟模式";
		else if (BootScene.GamePlayMode == EPlayMode.OfflinePlayMode)
			playMode.text = "离线运行模式";
		else if (BootScene.GamePlayMode == EPlayMode.HostPlayMode)
			playMode.text = "网络运行模式";
		else
			throw new NotImplementedException();

		var package = YooAssets.GetAssetsPackage("DefaultPackage");
		var packageVersion = CanvasRoot.transform.Find("package_version/label").GetComponent<Text>();
		packageVersion.text = package.GetPackageVersion();

		// 通过资源标签加载资源
		{
			string assetTag = "sphere";
			AssetInfo[] assetInfos = YooAssets.GetAssetInfos(assetTag);
			foreach (var assetInfo in assetInfos)
			{
				Debug.Log($"{assetInfo.AssetPath}");
			}
		}

		// 同步加载背景图片
#if UNITY_WEBGL
		{
			var rawImage = CanvasRoot.transform.Find("background").GetComponent<RawImage>();
			AssetOperationHandle handle = YooAssets.LoadAssetAsync<Texture>("tex_bg");
			_cachedAssetOperationHandles.Add(handle);
			handle.Completed += (AssetOperationHandle obj) =>
			{
				rawImage.texture = handle.AssetObject as Texture;
			};
		}
#else
		{
			var rawImage = CanvasRoot.transform.Find("background").GetComponent<RawImage>();
			AssetOperationHandle handle = YooAssets.LoadAssetSync<Texture>("tex_bg");
			_cachedAssetOperationHandles.Add(handle);
			rawImage.texture = handle.AssetObject as Texture;
		}
#endif

		// 同步加载LOGO
#if UNITY_WEBGL
		{
			var logoImage = CanvasRoot.transform.Find("title/logo").GetComponent<Image>();
			AssetOperationHandle handle = YooAssets.LoadAssetAsync<Sprite>("tex_logo");
			_cachedAssetOperationHandles.Add(handle);
			handle.Completed += (AssetOperationHandle obj) =>
			{
				logoImage.sprite = handle.AssetObject as Sprite;
			};
		}
#else
		{
			var logoImage = CanvasRoot.transform.Find("title/logo").GetComponent<Image>();
			AssetOperationHandle handle = YooAssets.LoadAssetSync<Sprite>("tex_logo");
			_cachedAssetOperationHandles.Add(handle);
			logoImage.sprite = handle.AssetObject as Sprite;
		}
#endif

		// 同步加载预制体
		{
			string[] entityAssetNames =
			{
				"footman_Blue",
				"footman_Green",
				"footman_Red",
				"footman_Yellow"
			};

			var btn = CanvasRoot.transform.Find("load_npc/btn").GetComponent<Button>();
			btn.onClick.AddListener(() =>
			{
#if UNITY_WEBGL
				var icon = CanvasRoot.transform.Find("load_npc/icon").GetComponent<Image>();
				AssetOperationHandle handle = YooAssets.LoadAssetAsync<GameObject>($"{entityAssetNames[_npcIndex]}");
				_cachedAssetOperationHandles.Add(handle);
				handle.Completed += (AssetOperationHandle op) =>
				{
					GameObject go = handle.InstantiateSync(icon.transform);
					go.transform.localPosition = new Vector3(0, -50, -100);
					go.transform.localRotation = Quaternion.EulerAngles(0, 180, 0);
					go.transform.localScale = Vector3.one * 50;
				};
#else
				var icon = CanvasRoot.transform.Find("load_npc/icon").GetComponent<Image>();		
				AssetOperationHandle handle = YooAssets.LoadAssetSync<GameObject>($"{entityAssetNames[_npcIndex]}");
				_cachedAssetOperationHandles.Add(handle);
				GameObject go = handle.InstantiateSync(icon.transform);
				go.transform.localPosition = new Vector3(0, -50, -100);
				go.transform.localRotation = Quaternion.EulerAngles(0, 180, 0);
				go.transform.localScale = Vector3.one * 50;	
#endif
				_npcIndex++;
				if (_npcIndex > 1)
					_npcIndex = 0;
			});
		}

		// 异步加载UnityEngine生成的图集
		{
			var btn = CanvasRoot.transform.Find("load_unity_atlas/btn").GetComponent<Button>();
			btn.onClick.AddListener(() =>
			{
				AssetOperationHandle handle = YooAssets.LoadAssetAsync<Sprite>("Icon_Leafs_128");
				_cachedAssetOperationHandles.Add(handle);
				handle.Completed += OnUnityAtlas_Completed;
			});
		}

		// 异步加载TexturePacker生成的图集
		{
			var btn = CanvasRoot.transform.Find("load_tp_atlas/btn").GetComponent<Button>();
			btn.onClick.AddListener(() =>
			{
				SubAssetsOperationHandle handle = YooAssets.LoadSubAssetsAsync<Sprite>("tpAtlas");
				_cachedSubAssetsOperationHandles.Add(handle);
				handle.Completed += OnTpAtlasAsset_Completed;
			});
		}

		// 异步加载原生文件
		{
			var btn = CanvasRoot.transform.Find("load_rawfile/btn").GetComponent<Button>();
			btn.onClick.AddListener(() =>
			{
				string savePath = $"{YooAssets.GetSandboxRoot()}/config1.txt";
				RawFileOperation operation = YooAssets.GetRawFileAsync("config1", savePath);
				operation.Completed += OnRawFile_Completed;
			});
		}

		// 异步加载主场景
		{
			var btn = CanvasRoot.transform.Find("load_scene").GetComponent<Button>();
			btn.onClick.AddListener(() =>
			{
				YooAssets.LoadSceneAsync("GameScene2");
			});
		}

		// 加载面板
		{
			var handle = YooAssets.LoadAssetSync<GameObject>("ui_window");
			handle.InstantiateSync(CanvasRoot.transform);
		}
	}

	private void OnUnityAtlas_Completed(AssetOperationHandle handle)
	{
		var icon = CanvasRoot.transform.Find("load_unity_atlas/icon").GetComponent<Image>();
		icon.sprite = handle.AssetObject as Sprite;
	}
	private void OnTpAtlasAsset_Completed(SubAssetsOperationHandle handle)
	{
		var icon = CanvasRoot.transform.Find("load_tp_atlas/icon").GetComponent<Image>();
		icon.sprite = handle.GetSubAssetObject<Sprite>("Icon_Shield_128");
	}
	private void OnRawFile_Completed(AsyncOperationBase operation)
	{
		var hint = CanvasRoot.transform.Find("load_rawfile/icon/hint").GetComponent<Text>();
		RawFileOperation op = operation as RawFileOperation;
		hint.text = op.LoadFileText();
	}

	/// <summary>
	/// 异步加载背景音乐
	/// </summary>
	async void AsyncLoadMusic()
	{
		// 加载背景音乐
		{
			var audioSource = CanvasRoot.transform.Find("music").GetComponent<AudioSource>();
			AssetOperationHandle handle = YooAssets.LoadAssetAsync<AudioClip>("music_town");
			_cachedAssetOperationHandles.Add(handle);
			await handle.Task;
			audioSource.clip = handle.AssetObject as AudioClip;
			audioSource.Play();
		}
	}
}