using JiShe.CollectBus.Common.Extensions.DependencyInjections;
using JiShe.CollectBus.Protocol.Contracts.Attributes;
using System.Reflection;
using JiShe.CollectBus.Common.Interfaces;
using TouchSocket.Core;
using Microsoft.Extensions.Hosting;
using System;
using Serilog;

// ReSharper disable once CheckNamespace
namespace Microsoft.Extensions.DependencyInjection
{
    public static class DependencyInjectionExtensions
    {
        public static void ModuleRegister(this IServiceCollection services, HostBuilderContext hostContext)
        {
            var assemblies = GetBinAssemblies();

            foreach (var assembly in assemblies)
            {
                var allTypes = assembly.GetTypes();
                foreach (var type in allTypes)
                {
                    if (typeof(IJiSheModule).IsAssignableFrom(type) && type is { IsClass: true, IsAbstract: false })
                    {
                        Log.Logger.Information($"正在加载模块{type.Name}...");
                        var instance = Activator.CreateInstance(type);
                        _ = (type.GetMethod("ConfigureServices")?.Invoke(instance, [services, hostContext]));
                    }
                }
            }
        }

        public static void ServiceRegister(this IServiceCollection services)
        {
            var assemblies = GetBinAssemblies();

            foreach (var assembly in assemblies)
            {
                var allTypes = assembly.GetTypes();
                foreach (var type in allTypes)
                {
                    if (type is not { IsClass: true, IsAbstract: false }) continue;
                    if (typeof(ISingletonDependency).IsAssignableFrom(type))
                    {
                        var interfaceTypes = type.GetInterfaces().Where(p => p.FullName != null && !p.FullName.Contains("ISingletonDependency") && !p.FullName.Contains("IDisposable"));
                        foreach (var interfaceType in interfaceTypes)
                        {
                            Log.Logger.Information($"正在IOC注入ISingletonDependency {type.Name}...");
                            services.AddSingleton(interfaceType, type);
                        }
                    }

                    if (typeof(ITransientDependency).IsAssignableFrom(type))
                    {
                        var interfaceTypes = type.GetInterfaces().Where(p => p.FullName != null && !p.FullName.Contains("ITransientDependency") && !p.FullName.Contains("IDisposable"));
                        foreach (var interfaceType in interfaceTypes)
                        {
                            Log.Logger.Information($"正在IOC注入ITransientDependency {type.Name}...");
                            services.AddTransient(interfaceType, type);
                        }
                    }

                    if (typeof(IScopedDependency).IsAssignableFrom(type))
                    {
                        var interfaceTypes = type.GetInterfaces().Where(p => p.FullName != null && !p.FullName.Contains("IScopedDependency") && !p.FullName.Contains("IDisposable"));
                        foreach (var interfaceType in interfaceTypes)
                        {
                            Log.Logger.Information($"正在IOC注入IScopedDependency {type.Name}...");
                            services.AddScoped(interfaceType, type);
                        }
                    }
                }
            }
        }

        public static void PluginServiceRegister(this IServiceCollection services, string pluginPath = "")
        {
            if (pluginPath.IsNullOrWhiteSpace())
            {
                pluginPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "Plugins");
            }
            var assemblies = GetAssembliesFromFolder(pluginPath);

            foreach (var assembly in assemblies)
            {
                var allTypes = assembly.GetTypes();
                foreach (var type in allTypes)
                {
                    if (typeof(ISingletonDependency).IsAssignableFrom(type) && type is { IsClass: true, IsAbstract: false })
                    {
                        var interfaceTypes = type.GetInterfaces().Where(p => p.FullName != null && !p.FullName.Contains("ISingletonDependency"));
                        foreach (var interfaceType in interfaceTypes)
                        {
                            var attr = type.GetCustomAttribute<ProtocolNameAttribute>();
                            if (attr == null) continue;
                            Log.Logger.Information($"正在加载插件{attr.Name}...");
                            var serviceDescriptor = new ServiceDescriptor(interfaceType, attr.Name, type, ServiceLifetime.Singleton);
                            services.Add(serviceDescriptor);
                        }
                    }

                    if (typeof(ITransientDependency).IsAssignableFrom(type) && type is { IsClass: true, IsAbstract: false })
                    {
                        var interfaceTypes = type.GetInterfaces().Where(p => p.FullName != null && !p.FullName.Contains("ITransientDependency"));
                        foreach (var interfaceType in interfaceTypes)
                        {
                            var attr = type.GetCustomAttribute<ProtocolNameAttribute>();
                            if (attr == null) continue;
                            Log.Logger.Information($"正在加载插件{attr.Name}...");
                            var serviceDescriptor = new ServiceDescriptor(interfaceType, attr.Name, type, ServiceLifetime.Transient);
                            services.Add(serviceDescriptor);
                        }
                    }

                    if (typeof(IScopedDependency).IsAssignableFrom(type) && type is { IsClass: true, IsAbstract: false })
                    {
                        var interfaceTypes = type.GetInterfaces().Where(p => p.FullName != null && !p.FullName.Contains("IScopedDependency"));
                        foreach (var interfaceType in interfaceTypes)
                        {
                            var attr = type.GetCustomAttribute<ProtocolNameAttribute>();
                            if (attr == null) continue;
                            Log.Logger.Information($"正在加载插件{attr.Name}...");
                            var serviceDescriptor = new ServiceDescriptor(interfaceType, attr.Name, type, ServiceLifetime.Scoped);
                            services.Add(serviceDescriptor);
                        }
                    }
                }
            }
        }

        private static IEnumerable<Assembly> GetAssembliesFromFolder(string folderPath)
        {
            var directory = new DirectoryInfo(folderPath);
            if (!directory.Exists) return [];

            var files = directory.GetFiles("*.dll");

            var assemblies = new List<Assembly>();
            foreach (var file in files)
            {
                try
                {
                    var assembly = Assembly.LoadFrom(file.FullName);
                    assemblies.Add(assembly);
                }
                catch (Exception ex)
                {
                    Console.WriteLine($"Error loading assembly from {file.FullName}: {ex.Message}");
                }
            }

            return assemblies;
        }

        private static IEnumerable<Assembly> GetBinAssemblies()
        {
            var directory = new DirectoryInfo(AppDomain.CurrentDomain.BaseDirectory);
            if (!directory.Exists) return [];

            var files = directory.GetFiles("JiShe.CollectBus.*.dll");

            var assemblies = new List<Assembly>();
            foreach (var file in files)
            {
                try
                {
                    var assembly = Assembly.LoadFrom(file.FullName);
                    assemblies.Add(assembly);
                }
                catch (Exception ex)
                {
                    Console.WriteLine($"Error loading assembly from {file.FullName}: {ex.Message}");
                }
            }

            return assemblies;
        }
    }
}