using BBWY.Common.Http;
using BBWY.Common.Models;
using BBWY.Common.Extensions;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using System;
using System.IO;
using System.Reflection;
using System.Threading.Tasks;
using System.Windows;
using PJZS.Models;
using System.Linq;
using System.IO.MemoryMappedFiles;
using System.Diagnostics;

namespace PJZS
{
    /// <summary>
    /// Interaction logic for App.xaml
    /// </summary>
    public partial class App : Application
    {
        public IServiceProvider ServiceProvider { get; private set; }
        public IConfiguration Configuration { get; private set; }

        protected override void OnStartup(StartupEventArgs e)
        {

            var pjzsExeList = Process.GetProcessesByName("PJZS");
            if (pjzsExeList != null && pjzsExeList.Count() > 1)
            {
                Environment.Exit(Environment.ExitCode);
            }

            var gl = new GlobalContext();
            string userToken = string.Empty;
#if DEBUG
            //齐越山鸡
            userToken = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiIxNTM1MzMwMzI4ODkyMTQ5NzYwIiwidGVhbUlkIjoiMTUxNjk3NDI1MDU0MjUwMTg4OCIsInNvblRlYW1JZHMiOiIxNDM2Mjg4NTAwMjM1MjQzNTIwIiwiZXhwIjoxNjk0NjY5NjkxfQ.cSwro-7bGwOu92YejH9JhMenTai7Mvf99i2paQCmxIw";
#else
            var uid = e.Args.Count() > 0 ? e.Args.LastOrDefault(args => args.StartsWith("uid:")) : string.Empty;
            if (string.IsNullOrEmpty(uid))
            {
                MessageBox.Show("缺少启动参数", "提示");
                Environment.Exit(0);
            }
            var tokenResult = ReadMMF(uid);
            if (tokenResult.isOk)
                userToken = tokenResult.content;
            else
            {
                MessageBox.Show($"读取内存数据失败\r\n{tokenResult.content}", "提示");
                Environment.Exit(0);
            }
#endif
            gl.UserToken = userToken;


            #region 注册全局异常
            this.DispatcherUnhandledException += App_DispatcherUnhandledException; ;
            AppDomain.CurrentDomain.UnhandledException += CurrentDomain_UnhandledException;
            TaskScheduler.UnobservedTaskException += TaskScheduler_UnobservedTaskException;
            #endregion

            var applicationPath = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
            var builder = new ConfigurationBuilder().SetBasePath(applicationPath).AddJsonFile("appSettings.json", false, true);
            Configuration = builder.Build();

            gl.BBYWApiHost = Configuration.GetSection("BBWYApiHost").Value;
            gl.MDSApiHost = Configuration.GetSection("MDSApiHost").Value;
            IServiceCollection serviceCollection = new ServiceCollection();
            serviceCollection.AddHttpClient();

            serviceCollection.AddSingleton<RestApiService>();
            serviceCollection.AddSingleton(gl);
            serviceCollection.BatchRegisterServices(new Assembly[] { Assembly.Load("PJZS") }, typeof(IDenpendency));
            serviceCollection.AddMapper(new MappingProfile());
            ServiceProvider = serviceCollection.BuildServiceProvider();
            base.OnStartup(e);
        }

        private void TaskScheduler_UnobservedTaskException(object sender, UnobservedTaskExceptionEventArgs e)
        {
            throw new NotImplementedException();
        }

        private void CurrentDomain_UnhandledException(object sender, UnhandledExceptionEventArgs e)
        {
            throw new NotImplementedException();
        }

        private void App_DispatcherUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e)
        {
            throw new NotImplementedException();
        }

        public (bool isOk, string content) ReadMMF(string mapname)
        {
            try
            {
                using (MemoryMappedFile mmf = MemoryMappedFile.OpenExisting(mapname))
                {
                    using (var mmfStream = mmf.CreateViewStream(0, 1000, MemoryMappedFileAccess.ReadWrite))
                    {
                        StreamReader reader = new StreamReader(mmfStream);
                        string jwt = reader.ReadToEnd().Replace("\0", "").TrimEnd();
                        return (true, jwt);
                    }
                }
            }
            catch (Exception ex)
            {
                return (false, ex.Message);
            }
        }
    }
}