using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using UnityEditor;
using UnityEngine;
using XLua;
using BF;

namespace BFEditor
{
	public class GenProtoConfig
	{
	    static private string ProtoToolDir = Application.dataPath + "/../Tools/proto";
	    static private string PbSaveDir = Application.dataPath + "/proto";
	    static private string LuaSaveDir = Application.dataPath + "/Developer/lua/app/proto/";
	    static private string MsgIdsProto = PbSaveDir + "/bf_msgids.bytes";

	    static public void GenProtoLuaConfig()
	    {
	        try
	        {
	            var protoPath = LocalData.GetProtoPath();
	            if (string.IsNullOrEmpty(protoPath) ||
	                !Directory.Exists(protoPath))
	            {
	                EditorUtility.DisplayDialog("提示", "没有正确配置Proto路径！", "确定");
	                return;
	            }

	            BFEditorUtils.RunCommond("python", ProtoToolDir + "/proto.py " + protoPath + " " + LuaSaveDir, ProtoToolDir,
	                (msg) =>
	                {
	                },
	                (err) =>
	                {
	                }
	            );

				var dirInfo = new DirectoryInfo(protoPath);
				var files = dirInfo.GetFiles("*.pb", SearchOption.AllDirectories);
				for (var i = 0; i < files.Length; ++i)
				{
					var fileInfo = files[i];

					var filePath = fileInfo.FullName;

					var outPath = Path.Combine(PbSaveDir, filePath.Substring(protoPath.Length + 1)).Replace(".pb", ".bytes");
					if (File.Exists(outPath))
					{
						var inMD5 = GameLaunchUtils.GetFileMD5(filePath);
						var outMD5 = GameLaunchUtils.GetFileMD5(outPath);
						if (inMD5.CompareTo(outMD5) == 0)
						{
							continue;
						}
					}
					File.Copy(filePath, outPath, true);
				}

	            // LuaEnv luaEnv = new LuaEnv();
	            // luaEnv.AddBuildin("pb", XLua.LuaDLL.Lua.LoadLuaProfobuf);
	            // luaEnv.DoString(@"allNames = {}");
	            // var pbFullName = MsgIdsProto;
	            // var pbPath = BF.Utils.GetAssetPathByFullPath(pbFullName);
	            // var luaText = CreateLuaString(pbPath);
	            // luaEnv.DoString(luaText);
	            // var luaDir = LuaSaveDir;
	            // if (!Directory.Exists(luaDir))
	            //     Directory.CreateDirectory(luaDir);
	            // var luaPath = luaDir + "protomsgtype.lua";
	            // luaEnv.DoString(SaveLuaFile(luaPath));
	            // luaEnv.Dispose();
	            // AssetDatabase.ImportAsset(pbPath);
	            // AssetDatabase.Refresh();
	            // AssetDatabase.DeleteAsset(pbPath);
	            // Proto2MarkDown.Pb2Markdown();
	            EditorUtility.DisplayDialog("提示", "生成Proto配置成功！", "确定");
	        }
	        catch (Exception e)
	        {
	            throw;
	        }
	        finally
	        {

	        }
	    }

	    static private string CreateLuaString(string protoPath)
	    {
	        var lua =
	        @"
	            local pb = require 'pb'
	            assert(pb.loadfile '" + protoPath + @"')

	            local function split(input, delimiter)
	                input = tostring(input)
	                delimiter = tostring(delimiter)
	                if (delimiter=='') then return false end
	                local pos,arr = 0, {}
	                -- for each divider found
	                for st,sp in function() return string.find(input, delimiter, pos, true) end do
	                    table.insert(arr, string.sub(input, pos, st - 1))
	                    pos = sp + 1
	                end
	                table.insert(arr, string.sub(input, pos))
	                return arr
	            end

	            local function unique(number)
	                for _,info in ipairs(allNames) do
	                    if info.number == number then
	                        return false
	                    end
	                end

	                return true
	            end

	            for name, number, type in pb.fields 'MsgId' do
	                -- print(name, number)
	                if number > 0 and unique(number) then
	                    table.insert(allNames, {number = number, name = name})
	                end
	            end

	            table.sort(allNames, function(a, b)
	                return a.number < b.number
	            end)
	        ";
	        return lua;
	    }

	    static private string SaveLuaFile(string luaPath)
	    {
	        var lua =
	            @"
	            local output = 'local ProtoMsgType = {\n'

	            output = output .. '    FromMsgId = {\n'
	            for i, info in ipairs(allNames) do
		            output = output .. '        ' .. '[' .. info.number .. ']' .. ' = \'' .. info.name .. '\',\n'
	            end
	            output = output .. '    },\n'

	            output = output .. '    FromMsgToId = {\n'
	            for i, info in ipairs(allNames) do
		            output = output .. '        ' .. info.name .. ' = ' .. info.number .. ',\n'
	            end
	            output = output .. '    },\n'

	            output = output .. '    FromMsgEnum = {\n'
	            for i, info in ipairs(allNames) do
		            output = output .. '        ' .. 'req' .. info.name .. ' = \'' .. 'req' .. info.name .. '\',\n'
	                output = output .. '        ' .. 'rsp' .. info.name .. ' = \'' .. 'rsp' .. info.name .. '\',\n'
	            end
	            output = output .. '    },\n'

	            output = output .. '}\n\n'
	            output = output .. 'return ProtoMsgType'

	            local file = assert(io.open('" + luaPath + @"', 'w'))
	            file:write(output)
	            file:close()

	            -- print(output)
	        ";

	        return lua;
	    }
	}
}