using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Extensions.DependencyInjection;
using CZFW.Framework.Interface;
using System.Threading;
using System.Reflection;
using System.IO;
using System.Linq;
using Microsoft.AspNetCore.Http;

namespace CZFW.Framework.Logic
{
    public static class ConfigureFrameworkServicesExtensions
    {
        public static IServiceCollection ConfigureFrameworkServices(this IServiceCollection services)
        {
            services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
            services.AddTransient<IUserInfo, UserInfoLogic>();
            services.AddTransient<IUserRole, UserRoleLogic>();
            services.AddTransient<IRole, RoleLogic>();
            services.AddTransient<IPrivilege, PrivilegeLogic>();
            services.AddTransient<IPrivilegeGroup, PrivilegeGroupLogic>();
            services.AddTransient<IDict, DictLogic>();
            services.AddTransient<IDictItem, DictItemLogic>();
            services.AddTransient<IUserRoleNavigation, UserRoleNavigationLogic>();
            services.AddTransient<ICustomerUserPrivilege, CustomerUserPrivilegeLogic>();
            services.AddLogging();
            return services;
        }

        public static void Configure(ref IServiceCollection services, IList<string> interfaceDlls, IList<string> interfaceNamespaces, IList<string> serviceDlls)
        {
            string path = Thread.GetDomain().BaseDirectory;
            if (path.LastIndexOf("Debug", StringComparison.Ordinal) != -1)
            {
                path = path.TrimEnd(@"\Debug".ToCharArray());
            }
            else
            {
                path += "bin";
            }
            IList<FileInfo> interfaceFiles = new List<FileInfo>();
            foreach(var item in interfaceDlls)
            {
                var file = new FileInfo($"{path}\\{item}");
                interfaceFiles.Add(file);
            }
            var baseInterface = typeof(IDependency);
            var interfaceAssemblies = interfaceFiles.Select(x => Assembly.LoadFrom(x.FullName)).ToList();
            List<Type> itfs = new List<Type>();
            foreach(var item in interfaceAssemblies)
            {
                var tp1 = item.GetTypes().Where(x => x.IsInterface&&interfaceNamespaces.Contains(x.Namespace)).ToList();
                itfs.AddRange(tp1);
            }
            IList<FileInfo> serviceFiles = new List<FileInfo>();
            foreach(var item in serviceDlls)
            {
                var file = new FileInfo($"{path}\\{item}");
                serviceFiles.Add(file);
            }
            var servicesAssemblies = serviceFiles.Select(x => Assembly.LoadFrom(x.FullName)).ToList();
            List<Type> serviceTypes = new List<Type>();
            foreach(var item in servicesAssemblies)
            {
                var tp = item.GetTypes().Where(x => x.IsClass);
                serviceTypes.AddRange(tp);
            }
            foreach(var item in itfs)
            {
                var serviceType = serviceTypes.Where(x => x.GetInterfaces().Contains(item)).FirstOrDefault();
                services.AddTransient(item, serviceType);
                //services.AddTransient<item,serviceType>
            }
            //Assembly[] assemblies = new DirectoryInfo(path).GetFiles("CZ*.*.dll", SearchOption.AllDirectories)
            //    .Select(x => Assembly.LoadFrom(x.FullName)).ToArray();
        }
    }
}