using System.Reflection;
using Gs.Toolbox.ApiCore.Abstract.Mvc;
using Microsoft.AspNetCore.Mvc.ApplicationParts;
using Microsoft.AspNetCore.Mvc.Controllers;

namespace Gs.Toolbox.ApiCore.Common.Mvc;

/// <summary>
///     用来识别控制器
/// </summary>
public class
    CustomControllerFeatureProvider : IApplicationFeatureProvider<
    ControllerFeature>
{
    public void PopulateFeature(IEnumerable<ApplicationPart> parts,
        ControllerFeature feature)
    {
        var assembly = Assembly.GetEntryAssembly(); //获取包含应用程序入口点的程序集
        var assemblies = assembly.GetReferencedAssemblies();
        assemblies.Append(assembly.GetName());
        var list = assemblies.ToList();
        for (var i = 0; i < assemblies.Length; i++)
            if (assemblies[i].FullName.Contains("System") ||
                assemblies[i].FullName.Contains("Microsoft") ||
                assemblies[i].FullName.Contains("Swashbuckle"))
                list.Remove(assemblies[i]);
        ;
        ////////////////lu加上////////
        var SearchPath = AppSettingsHelper.getValueByKey("ServicesPath");
        var AssemblyPth =
            Path.GetDirectoryName(Assembly.GetEntryAssembly().Location);
        var searchFolder = Path.Combine(AssemblyPth, SearchPath);
       // LogHelper.Debug(ToString(), "searchFolder:" + searchFolder);
        if (!Directory.Exists(searchFolder)) //如果日志目录不存在就创建
            Directory.CreateDirectory(searchFolder);
        foreach (var file in Directory.EnumerateFiles(searchFolder, "*.dll",
                     SearchOption.AllDirectories))
            try
            {
                var assemblyccccc = Assembly.LoadFrom(file);
                var exportedTypesccc = assemblyccccc.GetExportedTypes();
                //if (exportedTypes.Any(t => t.IsSubclassOf(typeof(ApiController))))
                //{
                //    Console.WriteLine("Started service " + assembly.FullName);
                //  builder.RegisterApiControllers(assembly).InstancePerRequest();
                // }
                list.Add(assemblyccccc.GetName());
            }
            catch (Exception ex)
            {
            }

        ///////////////////////
        AddController(feature, list.ToArray());
    }

    private void AddController(ControllerFeature feature,
        AssemblyName[] assemblies)
    {
        if (assemblies.Length == 0) return;
        assemblies.ToList().ForEach(assembly =>
        {
            if (assembly.FullName.Contains("System") ||
                assembly.FullName.Contains("Microsoft") ||
                assembly.FullName.Contains("Kerberos") ||
                assembly.FullName.Contains("Swashbuckle"))
                return;
            //递归获取controller
            var assTemp = Assembly.Load(assembly);
            assTemp.GetTypes().ToList().ForEach(type =>
            {
                //如果实现了IRomteService则认为是一个控制器
                if (!IsController(type)) return;
                feature.Controllers.Add(type.GetTypeInfo());
            });
            var a = assTemp.GetReferencedAssemblies();
            AddController(feature, a);
        });
    }

    public bool IsController(Type type)
    {
        if (!type.IsClass) return false;

        if (type.IsAbstract) return false;
        if (!type.IsPublic) return false;

        if (type.ContainsGenericParameters) return false;

        if (type.IsAssignableTo(typeof(IRomteService))) return true;
        return false;
    }
}