using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.SceneManagement;
/********************************************************************************
*Create By CG
*Function 通用工具方法
*********************************************************************************/
namespace ZXK.UTility
{
    public static class UtilitiesMng
    {
        /// <summary>
        /// 应用退出的几种方式【根据需要自行选择】
        /// </summary>
        public static void CustomQuit()
        {

            Resources.UnloadUnusedAssets();// 卸载未使用的资产

            Application.Quit();//正常退出（在打包后使用，不能再编译状态下使用）
#if UNITY_EDITOR
            UnityEditor.EditorApplication.isPlaying = false;// 在编译状态游戏退出
#endif
            System.Diagnostics.Process.GetCurrentProcess().Kill();// 关掉与当前活动相关的进程
            System.Environment.Exit(0);// 终止当前进程并为基础操作系统提供指定的退出代码。
            PlayerPrefs.DeleteAll();//删除储存在注册表中的持久化储存的数据
            System.GC.Collect();// 强制立刻回收

        }

        /// <summary>
        /// 计算点到线的距离
        /// </summary>
        /// <param name="point1">point1为线的端点</param>
        /// <param name="point2">point2为线的端点</param>
        /// <param name="position">点的位置</param>
        /// <returns></returns>
        private static float PointToLine(Vector2 point1, Vector2 point2, Vector2 position)
        {
            float space = 0.0f;
            float a, b, c;
            a = Vector2.Distance(point1, point2);// 线段的长度      
            b = Vector2.Distance(point1, position);// position到点point1的距离      
            c = Vector2.Distance(point2, position);// position到point2点的距离 
            if (c <= 0.000001f || b <= 0.000001f)
            {
                space = 0.0f;
                return space;
            }
            if (a <= 0.000001f)
            {
                space = b;
                return space;
            }
            if (c * c >= a * a + b * b)
            {
                space = b;
                return space;
            }
            if (b * b >= a * a + c * c)
            {
                space = c;
                return space;
            }
            float p = (a + b + c) / 2;// 半周长      
            float s =Mathf.Sqrt(p * (p - a) * (p - b) * (p - c));// 海伦公式求面积      
            space = 2.0f * s / a;// 返回点到线的距离（利用三角形面积公式求高）      
            return space;
        }

        /// <summary>
        /// 异步加载场景
        /// </summary>
        /// <param name="sceneName"></param>
        public static void LoadSceneAsync(string sceneName, System.Action LoadedCall)
        {
            GameObject loadSceneUIPrefab = Resources.Load<GameObject>("LoadScenePanelPrefab");
            GameObject parentGeo = GameObject.Find("Canvas");
            if (parentGeo == null)
            {
                Debug.LogError("场景中没找到Canvas画布无法创建弹窗！！");
                return;
            }
            GameObject loadSceneGeo = GameObject.Instantiate(loadSceneUIPrefab, parentGeo.transform);
            loadSceneGeo.GetComponent<LoadScenesAsync>().LoadSceneAsync(sceneName, LoadedCall);
        }
        /// <summary>
        /// 同步加载场景
        /// </summary>
        /// <param name="sceneName"></param>
        //public static void LoadScene(string sceneName)
        //{
        //    SceneManager.LoadScene(sceneName);
        //}
        /// <summary>
        /// 打印某个方法执行时间
        /// </summary>
        /// <param name="call"></param>
        public static void PrintExecuteTime(Action call)
        {
            System.Diagnostics.Stopwatch timer = System.Diagnostics.Stopwatch.StartNew();
            timer.Start();
            call?.Invoke();
            timer.Stop();
            UnityEngine.Debug.Log($"<color=#0000ff>{timer.Elapsed.TotalMilliseconds}</color>");
        }

        public static void StartScreenshot(string pictureTempFile, Action<string> callBack)
        {
            Framework.MonoManager.Instance.StartCoroutine(CaptureScreenshot(pictureTempFile, callBack));
        }
        private static IEnumerator CaptureScreenshot(string pictureTempFile, Action<string> callBack)
        {

            // 等待渲染结束
            yield return new WaitForEndOfFrame();

            // 等待渲染结束
            yield return new WaitForEndOfFrame();

            // 创建一个新的Texture2D对象，尺寸为屏幕当前分辨率
            Texture2D screenImage = new Texture2D(Screen.width, Screen.height);

            // 读取屏幕上当前帧的像素
            screenImage.ReadPixels(new Rect(0, 0, Screen.width, Screen.height), 0, 0);
            screenImage.Apply();

            // 如果需要保存截图到文件
            byte[] bytes = screenImage.EncodeToPNG();
#if UNITY_EDITOR || UNITY_STANDALONE
            // 保存至本地（适用于 PC 端）
            string filePath = pictureTempFile;
            Stream stream = new MemoryStream(bytes);
            ZXK.BYSS.AppManagement._ImgDataArray.Add(Path.GetFileName(pictureTempFile), stream);
      
            callBack?.Invoke(pictureTempFile);
#elif UNITY_WEBGL
        //生成Base64
            string base64 = "data:image/png;base64," + Texture2DToBase64(screenImage);
            callBack?.Invoke(base64);
#endif
        }
        public static string Texture2DToBase64(Texture2D texture)
        {
            byte[] data = texture.EncodeToPNG();
            return Convert.ToBase64String(data);
        }
    }
}