using System;
using UnityEngine;
using System.IO;
using UnityEditor;
using System.Collections.Generic;
using CSObjectWrapEditor;
using XLua;
using System.Diagnostics;

namespace BFEditor.Build
{
	public static class CompileScriptsUtils
	{
	    public static void CompileAndEncryptLua()
	    {
	        if (!CompileAndEncryptLua(true))
	        {
	            throw new Exception();
	        }
	    }

	    public static bool CompileAndEncryptLua(bool debugFlag)
	    {
	        var result = false;
	        if (CompileDevLuaToRunLua(debugFlag))
	        {
	            ProjectEncryptUtils.EncryptLua();
	            result = true;
	        }
	        AssetDatabase.SaveAssets();
	        AssetDatabase.Refresh();
	        return result;
	    }

	    public static bool CompileDevLuaToRunLua(bool debugFlag = true)
	    {
	        UnityEngine.Debug.Log("[bfinfo]编译lua代码...");
	        var srcDir = Path.Combine(Application.dataPath, "Developer/lua");
	        var destDir = Path.Combine(Application.dataPath, "lua");
	        return CompileLua(srcDir, destDir, debugFlag);
	    }

	    static bool CompileLua(string srcDir, string destDir, bool debugFlag)
	    {
	        var startTime = DateTime.Now.Ticks;
	        var srcFileMap = new Dictionary<string, bool>();

#if UNITY_EDITOR_OSX
			var scriptPath = Path.Combine(Application.dataPath, "../tools/luac/mac/compile.sh");
	        var luacPath = Path.Combine(Application.dataPath, "../tools/luac/mac/luac");
#else
			srcDir = srcDir.Replace('\\', '/');
			destDir = destDir.Replace('\\', '/');
	        var scriptPath = Path.Combine(Application.dataPath, "../tools/luac/windows/compile.bat").Replace('\\', '/');
			var luacPath = Path.Combine(Application.dataPath, "../tools/luac/windows/luac.exe").Replace('\\', '/');
#endif
	        if (luacPath.Length == 0 || !File.Exists(luacPath))
	        {
	            EditorUtility.ClearProgressBar();
	            EditorUtility.DisplayDialog("提示", "编译Lua失败 找不到luac", "确定");
	            return false;
	        }

			EditorUtility.DisplayProgressBar("提示", "正在编译lua文件...", 0);

	        var srcDirInfo = new DirectoryInfo(srcDir);
	        var srcFiles = srcDirInfo.GetFiles("*.lua", SearchOption.AllDirectories);
	        var fileList = new List<FileInfo>(srcFiles);

	        for (int i = fileList.Count - 1; i >= 0; i--)
	        {
	            if (fileList[i].DirectoryName.Contains("/Test/"))
	            {
	                fileList.RemoveAt(i);
	            }
	        }

	        var totalCount = fileList.Count;
	        var unit = (float)totalCount / 100;

	        for (var i = 0; i < fileList.Count; ++i)
	        {

	            var fileInfo = fileList[i];
	            var assetName = fileInfo.FullName.Substring(srcDir.Length) + ".bytes";
	            srcFileMap[assetName] = true;

	            var subPath = "";
#if UNITY_EDITOR_WIN
	            var subIndex = assetName.Replace('\\', '/').LastIndexOf('/');
#else
	            var subIndex = assetName.LastIndexOf('/');
#endif
	            if (subIndex >= 0)
	            {
	                subPath = assetName.Substring(0, subIndex + 1);
	            }

	            var copyPath = destDir + subPath;
	            if (!Directory.Exists(copyPath))
	            {
	                Directory.CreateDirectory(copyPath);
	            }
	        }
#if UNITY_EDITOR_OSX
			var startInfo = new ProcessStartInfo("sh");
			startInfo.Arguments = scriptPath + " " + srcDir + " " + srcDir.Length + " " + destDir + " " + luacPath;
#else
			var startInfo = new ProcessStartInfo(scriptPath);
			startInfo.Arguments = " " + srcDir + " " + srcDir.Length + " " + destDir + " " + luacPath;
#endif
			startInfo.WorkingDirectory = srcDir;
			startInfo.UseShellExecute = false;
			startInfo.RedirectStandardInput = true;
			startInfo.RedirectStandardOutput = true;
			startInfo.CreateNoWindow = true;
			var process = new Process();
			process.StartInfo = startInfo;
			process.Start();

			process.BeginOutputReadLine();
            process.OutputDataReceived += (sender, e) =>
            {
                if (!string.IsNullOrEmpty(e.Data))
                {
                    UnityEngine.Debug.Log(e.Data);
                }
            };

			process.WaitForExit();
			process.Close();

	        EditorUtility.ClearProgressBar();

	        var deleteList = new List<string>();
	        var destDirInfo = new DirectoryInfo(destDir);
	        var destFiles = destDirInfo.GetFiles("*.bytes", SearchOption.AllDirectories);
	        for (var i = 0; i < destFiles.Length; ++i)
	        {
	            var fileInfo = destFiles[i];
	            var assetName = fileInfo.FullName.Substring(destDir.Length);
	            if (!srcFileMap.ContainsKey(assetName))
	            {
	                deleteList.Add(fileInfo.FullName);
	            }
	        }

	        if (deleteList.Count > 0)
	        {
				EditorUtility.DisplayProgressBar("提示", "正在删除失效lua文件", 0);
	            var count = deleteList.Count;
	            foreach (var path in deleteList)
	            {
	                UnityEngine.Debug.LogWarning("Delete dest lua compile file " + path);
	                File.Delete(path);
	            }
	            EditorUtility.ClearProgressBar();
	        }

	        var endTime = DateTime.Now.Ticks;
	        UnityEngine.Debug.Log("Lua文件已完成编译，用时" + (endTime - startTime) / 10000 + "毫秒");
	        return true;
	    }

	    public static void RegenerateXLuaCode(bool showDialog = false)
	    {
	        if (showDialog)
	        {
	            EditorUtility.DisplayProgressBar("提示", "正在重新生成xlua代码...", 1);
	        }
	        UnityEngine.Debug.Log("[bfinfo]重新生成XLuaCode...");

	        DelegateBridge.Gen_Flag = true;

	        Generator.ClearAll();
	        AssetDatabase.SaveAssets();
	        AssetDatabase.Refresh();

	        Generator.GenAll();
	        AssetDatabase.SaveAssets();
	        AssetDatabase.Refresh();

	        if (showDialog)
	        {
	            EditorUtility.ClearProgressBar();
	        }
	    }
	}
}