using Flyinsono.DBCopy.Tool.RpcService;
using JsonRpcLite.Network;
using JsonRpcLite.Rpc;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Net;
using System.Text.Json;
using WingInterfaceLibrary.Enum;
using WingInterfaceLibrary.Interface;
using WingInterfaceLibrary.Request.User;
using MongoDB.Bson;
using MongoDB.Driver;
using Flyinsono.DBCopy.Tool.Utilities;
using System.Reflection.Metadata;
using MongoDB.Bson.IO;
using Flyinsono.DBCopy.Tool.Entities;
using System.Threading.Tasks;
using Flyinsono.DBCopy.Tool.Service;

namespace Flyinsono.DBCopy.Tool
{
    internal interface IClientTestManager : IClientManager
    {
        /// <summary>
        /// Run the test cases
        /// </summary>
        void ConnectDb(string dbPath);
    }
    internal class ClientTestManager : IClientTestManager
    {
        public void Dispose()
        {
            //throw new System.NotImplementedException();
        }

        public void ConnectDb(string dbPath)
        {
            Console.WriteLine($"Database path: {dbPath}");
            //string mongodPath = @"DBCopy.Packages\4.2earlier\mongod_4.2.exe";
            string mongodPath = @"DBCopy.Packages\3.6.20\mongod_3.6.20.exe";
            int port = 8333;
            StartLocalMongoDbServer(mongodPath, dbPath, port);
            CommonConfigManager.IsLocalHost = true;
            MongoDbClientSingle.Instance = new MongoDbClient();
        }
           

        private void StartLocalMongoDbServer(string mongodPath, string dbPath, int port, float cacheSize = 0.5f)
        {
            try
            {
                bool res = false;
                Process[] processes = Process.GetProcessesByName("mongod_4.2");
                if (processes.Length != 0)
                {
                    res = true; 
                    return;
                }

                Logger.WriteLineInfo($"Mongodb server starting");

                var wiredTigerCacheSizeGB = CommonConfigManager.FilterGeneral.WiredTigerCacheSizeGB;
                //journal: 用于故障恢复和持久化，打开journal会使用更多的内存
                //bind_ip：控制请求源IP以及请求的Server端指定IP，127.0.0.1 != 本机IP
                //noIndexBuildRetry：在一个索引创建失败后启动mongod，可以使用noIndexBuildRetry跳过索引创建来启动
                //master:(存放在DB/local数据库下的oplog.$main集合中)
                var arguments = $"--dbpath \"{dbPath}\" --port {port} --maxConns 2000 --noIndexBuildRetry --nojournal";
                if (wiredTigerCacheSizeGB > 0)
                {
                    arguments += " --wiredTigerCacheSizeGB " + wiredTigerCacheSizeGB;
                }
                var startInfo = new ProcessStartInfo
                {
                    FileName = mongodPath,
                    Arguments = arguments,
                    WindowStyle = ProcessWindowStyle.Hidden,
                    RedirectStandardInput = true,
                    RedirectStandardOutput = true,
                    UseShellExecute = false,
                    CreateNoWindow = true
                };
                using (var process = Process.Start(startInfo))
                {
                    int readCount = 100;
                    string info = string.Empty;
                    while (readCount > 0)
                    {
                        info = process.StandardOutput.ReadLine();
                        if (!string.IsNullOrWhiteSpace(info) && info.IndexOf($"waiting for connections on port {port}") > -1)
                        {
                            Logger.WriteLineInfo($"Mongodb server started.{readCount}");
                            //Console.WriteLine($"Mongodb server started.{readCount}");
                            break;
                        }
                        //Thread.Sleep(1000);
                        readCount--;
                    }
                    Logger.WriteLineInfo("Mongodb server started.");
                }
            }
            catch (Exception exception)
            {
                Logger.WriteLineError($"Start mongod server process filed,error:{exception}");
                throw;
            }
        }

    }
}