using Attribute;
using Base;
using Common;
using Extensions;
using Infrastructure;
using Infrastructure.Model;
using IPTools.Core;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Controllers;
using Microsoft.AspNetCore.Mvc.Diagnostics;
using Microsoft.AspNetCore.Mvc.Filters;
using NLog;
using System.Text;
using System.Web;

namespace Middleware
{
    public class GlobalActionMonitor : ActionFilterAttribute
    {
        static readonly Logger logger = LogManager.GetCurrentClassLogger();
        // private readonly ISysOperLogService OperLogService;
        public GlobalActionMonitor()
        {
            // OperLogService = operLogService;
        }

        /// <summary>
        /// Action请求前
        /// </summary>
        /// <param name="context"></param>
        /// <param name="next"></param>
        /// <returns></returns>
        public override Task OnActionExecutionAsync(ActionExecutingContext context, ActionExecutionDelegate next)
        {
            if(context.HttpContext.Request.Path.Value.ToLower().Contains("v1/"))
            {
                string content = "";
                if(context.HttpContext.Request.Method.ToLower() == "get")
                {
                    content = context.HttpContext.GetQueryString();
                    content = content.Substring(content.IndexOf("?") + 1);
                    if(!string.IsNullOrEmpty(content))
                    {
                        string jsonString = "";
                        string[] dataList = content.Split('&');
                        foreach(string sub in dataList)
                        {
                            string[] item = sub.Split('=');
                            jsonString += "\"" + item[0] + "\":\"" + item[1] + "\",";
                        }
                        content = "{" + jsonString.TrimEnd(',') + "}";
                    }
                }
                else if(context.HttpContext.Request.Method.ToLower() == "delete")
                {
                    string path = context.HttpContext.Request.Path.Value;
                    content = path.Substring(path.LastIndexOf("/") + 1);
                }
                else
                {
                    content = context.HttpContext.GetBody();
                }
                if(!string.IsNullOrEmpty(content))
                {                
                    if(content.Contains("{") && content.Contains("}") && content != "{}")
                    {
                        Dictionary<string, object> dictionary = Newtonsoft.Json.JsonConvert.DeserializeObject<Dictionary<string, object>>(content);
                        if(context.ActionDescriptor.Parameters.Count > 0)
                        {
                            var parameters = context.ActionDescriptor.Parameters;
                            foreach(var parameter in parameters)
                            {
                                string parameterName = parameter.Name;
                                Type objectType = parameter.ParameterType;
                                if(objectType.FullName != "System.String")
                                {
                                    System.Reflection.Assembly assembly = System.Reflection.Assembly.GetAssembly(objectType);
                                    var entry = assembly.CreateInstance(objectType.FullName);
                                    Type type = entry.GetType();
                                    System.Reflection.PropertyInfo[] propertyInfos = type.GetProperties();
                                    for (int i = 0; i < propertyInfos.Length; i++)
                                    {
                                        foreach (string key in dictionary.Keys)
                                        {
                                            if (propertyInfos[i].Name == key)
                                            {
                                                object value = dictionary[key];
                                                string ParameterType = propertyInfos[i].GetMethod.ReturnParameter.ParameterType.Name;
                                                if (ParameterType == "Int32")
                                                {
                                                    if(value == null || value == "") value = "0";
                                                    value = Convert.ToInt32(value);
                                                }
                                                else if (ParameterType == "Int64")
                                                {
                                                    if(value == null || value == "") value = "0";
                                                    value = Convert.ToInt64(value);
                                                }
                                                else if (ParameterType == "Decimal")
                                                {
                                                    if(value == null || value == "") value = "0";
                                                    value = Convert.ToDecimal(value);
                                                }
                                                else if(ParameterType == "Boolean")
                                                {
                                                    if(value == null || value == "") value = false;
                                                }
                                                else if (ParameterType == "Int64[]")
                                                {
                                                    value = Tools.SpitLongArrary(Newtonsoft.Json.JsonConvert.SerializeObject(value).Replace("[", "").Replace("]", "").Trim('"'), ',');
                                                }
                                                else if (ParameterType == "Int32[]")
                                                {
                                                    value = Tools.SpitIntArrary(Newtonsoft.Json.JsonConvert.SerializeObject(value).Replace("[", "").Replace("]", "").Trim('"'), ',');
                                                }
                                                else if (ParameterType == "List`1")
                                                {
                                                    string val = Newtonsoft.Json.JsonConvert.SerializeObject(value).Replace("[", "").Replace("]", "").Trim('"');
                                                    value = Tools.SpitLongArrary(val, ',').ToList();
                                                }
                                                else if(ParameterType == "Nullable`1")
                                                {
                                                    string fullName = Function.CheckNull(propertyInfos[i].GetMethod.ReturnParameter.ParameterType.FullName);
                                                    if(fullName.Contains("System.Int32"))
                                                    {
                                                        if(value == null)
                                                        {
                                                            value = -99;
                                                        }
                                                        else
                                                        {
                                                            value = Convert.ToInt32(value);
                                                        }
                                                    }
                                                }
                                                if(value.ToString() == "-1") value = -1;
                                                if(value.ToString() == "[]") value = "";
                                                propertyInfos[i].SetValue(entry, value, null);
                                                break;
                                            }
                                        }
                                    }
                                    if(context.ActionArguments.ContainsKey(parameterName))
                                    {
                                        context.ActionArguments[parameterName] = entry;
                                    }
                                    else
                                    {
                                        context.ActionArguments.Add(parameterName, entry);
                                    }
                                }
                            }
                        }
                    }
                    else
                    {
                        string ParamName = context.ActionDescriptor.Parameters[0].Name;
                        if(context.ActionArguments.ContainsKey(ParamName))
                        {
                            context.ActionArguments[ParamName] = Convert.ToInt32(content);
                        }
                        else
                        {
                            context.ActionArguments.Add(ParamName, Convert.ToInt32(content));
                        }
                    }
                }
                else
                {
                    if(context.ActionDescriptor.Parameters.Count > 0)
                    {
                        string ParamName = context.ActionArguments.Keys.First();
                        object ParamValue = context.ActionArguments.Values.First();
                        // ParamValue = DesDecrypt(ParamValue.ToString());
                        if(ParamValue.GetType() == typeof(int))
                        {
                            ParamValue = (int)ParamValue;
                        }
                        if(context.ActionArguments.ContainsKey(ParamName))
                        {
                            context.ActionArguments[ParamName] = ParamValue;
                        }
                        else
                        {
                            context.ActionArguments.Add(ParamName, ParamValue);
                        }
                    }
                }
            }
            string msg = string.Empty;
            var values = context.ModelState.Values;
            foreach (var item in values)
            {
                foreach (var err in item.Errors)
                {
                    if (!string.IsNullOrEmpty(msg))
                    {
                        msg += " | ";
                    }

                    msg += err.ErrorMessage;
                }
            }
            if (!string.IsNullOrEmpty(msg))
            {
                ApiResult response = new((int)ResultCode.PARAM_ERROR, msg);                
                context.Result = new JsonResult(response);
            }
            return base.OnActionExecutionAsync(context, next);
        }

        /// <summary>
        /// OnActionExecuted是在Action中的代码执行之后运行的方法。
        /// </summary>
        /// <param name="context"></param>
        public override void OnResultExecuted(ResultExecutedContext context)
        {
            if (context.ActionDescriptor is not ControllerActionDescriptor controllerActionDescriptor) return;

            //获得注解信息
            // LogAttribute logAttribute = GetLogAttribute(controllerActionDescriptor);
            // if (logAttribute == null) return;

            try
            {
                string method = context.HttpContext.Request.Method.ToUpper();
                // 获取当前的用户
                string userName = context.HttpContext.GetName() ?? context.HttpContext.Request.Headers["userName"];
                string jsonResult = string.Empty;
                if (context.Result is ContentResult result && result.ContentType == "application/json")
                {
                    jsonResult = result.Content.Replace("\r\n", "").Trim();
                }
                if (context.Result is JsonResult result2)
                {
                    jsonResult = result2.Value?.ToString();
                }
                //获取当前执行方法的类名
                //string className =  System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.Name;
                //获取当前成员的名称
                //string methodName = System.Reflection.MethodBase.GetCurrentMethod().Name;
                string controller = context.RouteData.Values["Controller"].ToString();
                string action = context.RouteData.Values["Action"].ToString();

                string ip = HttpContextExtension.GetClientUserIp(context.HttpContext);
                // var ip_info = IpTool.Search(ip);

                // SysOperLog sysOperLog = new()
                // {
                //     Status = 0,
                //     OperName = userName,
                //     OperIp = ip,
                //     OperUrl = HttpContextExtension.GetRequestUrl(context.HttpContext),
                //     RequestMethod = method,
                //     JsonResult = jsonResult,
                //     OperLocation = HttpContextExtension.GetIpInfo(ip),
                //     Method = controller + "." + action + "()",
                //     //Elapsed = _stopwatch.ElapsedMilliseconds,
                //     OperTime = DateTime.Now,
                //     OperParam = HttpContextExtension.GetRequestValue(context.HttpContext, method)
                // };

                // if (logAttribute != null)
                // {
                    // sysOperLog.Title = logAttribute?.Title;
                    // sysOperLog.BusinessType = (int)logAttribute.BusinessType;
                    // sysOperLog.OperParam = logAttribute.IsSaveRequestData ? sysOperLog.OperParam : "";
                    // sysOperLog.JsonResult = logAttribute.IsSaveResponseData ? sysOperLog.JsonResult : "";
                // }

                LogEventInfo ei = new(NLog.LogLevel.Info, "GlobalActionMonitor", "");

                ei.Properties["jsonResult"] = !HttpMethods.IsGet(method) ? jsonResult : "";
                // ei.Properties["requestParam"] = sysOperLog.OperParam;
                ei.Properties["user"] = userName;
                logger.Log(ei);

                // OperLogService.InsertOperlog(sysOperLog);
            }
            catch (Exception ex)
            {
                logger.Error(ex, $"记录操作日志出错了#{ex.Message}");
            }
        }

        private LogAttribute GetLogAttribute(ControllerActionDescriptor controllerActionDescriptor)
        {
            var attribute = controllerActionDescriptor.MethodInfo.GetCustomAttributes(inherit: true)
                .FirstOrDefault(a => a.GetType().Equals(typeof(LogAttribute)));

            return attribute as LogAttribute;
        }

        private string DesDecrypt(string content)
        {
            content = HttpUtility.UrlDecode(content);
            return Dbconn.DesDecrypt(content, AppSettings.GetConfig("ApiKey"));
        }
    }
}