using Ds.Module.AppStartup;
using Microsoft.AspNetCore.Builder;
using Microsoft.Extensions.DependencyInjection;
using System.Reflection;

namespace Ds.WMS.WebCore
{
    /// <summary>
    ///
    /// </summary>
    public static class WebApplicationBuilderExtensions
    {
        public static WebApplicationBuilder UseDynamicStartups(this WebApplicationBuilder builder)
        {
            // 此方案可能查找不到程序集  顾使用手动加载方式
            //     var dynamicStartups = AppDomain.CurrentDomain.GetAssemblies()
            //.SelectMany(a => a.GetTypes())
            //.Select(t =>
            //new
            //{
            //    Type = t,
            //    Attribute = t.GetCustomAttribute<DsStartupAttribute>()
            //})
            //.Where(x => x.Attribute != null)
            // .OrderBy(x => x.Attribute.Order)
            //.Select(x => Activator.CreateInstance(x.Type))
            //.OfType<IDynamicStartup>();

            var assemblyNames = new List<string>
{
    "Ds.WMS.Finance.MediatR",
    "DS.Module.SqlSugar"
    // 其他程序集的名称...
};

            var dynamicStartups = new List<IDynamicStartup>();

            foreach (var assemblyName in assemblyNames)
            {
                var assembly = Assembly.Load(assemblyName);

                var startups = assembly.GetTypes()
                    .Select(t =>
                    new
                    {
                        Type = t,
                        Attribute = t.GetCustomAttribute<DsStartupAttribute>()
                    })
                    .Where(x => x.Attribute != null)
                    .OrderBy(x => x.Attribute.Order)
                    .Select(x => Activator.CreateInstance(x.Type))
                    .OfType<IDynamicStartup>()
                    .ToList();

                dynamicStartups.AddRange(startups);
            }
            foreach (var startup in dynamicStartups)
            {
                startup.ConfigureServices(builder);
            }

            builder.Services.AddSingleton(dynamicStartups);

            return builder;
        }
    }

    public static class WebApplicationExtensions
    {
        public static WebApplication UseDynamicStartups(this WebApplication app)
        {
            var dynamicStartups = app.Services.GetRequiredService<IEnumerable<IDynamicStartup>>();

            foreach (var startup in dynamicStartups)
            {
                startup.Configure(app);
            }

            return app;
        }
    }
}