using Furion.DataValidation;
using Furion.DependencyInjection;
using Furion.FriendlyException;
using Furion.UnifyResult;
//using Furion.UnifyResult.Internal;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.Mvc.Filters;
using System.Net;
using Yw.Untity;
using Yw.Application;
using Yw.Dto;
using System.Text.Json.Serialization;
using System.Text.Json;
using IStation.WebApi;

namespace IStation.WebApi
{
    /// <summary>
    /// 规范化RESTful风格返回值
    /// </summary>
    [SuppressSniffer, UnifyModel(typeof(Result<>))]
    public class XnRestfulResultProvider : IUnifyResultProvider
    {
        /// <summary>
        /// 异常
        /// </summary>
        public IActionResult OnException(ExceptionContext context, ExceptionMetadata metadata)
        {
            // 解析异常信息
            //var exceptionMetadata = UnifyContext.GetExceptionMetadata(context);

            Result<object> result = null;

            //furion异常
            if (context.Exception is AppFriendlyException friendException)
            {
                result = new Result<object>
                {
                    Code = eResultCode.Alert,
                    Error = friendException.ErrorCode,
                    Message = friendException.ErrorMessage,
                    Data = null,
                    Extras = UnifyContext.Take(),
                    Timestamp = DateTime.Now
                };
            }

            //api异常
            else if (context.Exception is InternalException apiException)
            {
                result = new Result<object>
                {
                    Code = apiException.ResultCode,
                    Error = apiException.ErrorCode,
                    Message = apiException.ErrorMsg,
                    Data = apiException.LogicData,
                    Extras = UnifyContext.Take(),
                    Timestamp = DateTime.Now
                };
            }

            else
            {
                result = new Result<object>
                {
                    Code = eResultCode.Error,
                    Error = "系统异常",
                    Message = context.Exception.StackTrace,
                    Data = null,
                    Extras = UnifyContext.Take(),
                    Timestamp = DateTime.Now
                };
            }

            if (result.Code == eResultCode.Error)
            {
                Yw.LogHelper.Error($"错误码：{result.Error}，错误信息：{result.Message}");
            }

            return new JsonResult(result);
        }

        /// <summary>
        /// 成功
        /// </summary>
        public IActionResult OnSucceeded(ActionExecutedContext context, object data)
        {
            //执行顺序 5 线程8
            switch (context.Result)
            {
                // 处理内容结果
                case ContentResult contentResult:
                    data = contentResult.Content;
                    break;
                // 处理对象结果
                case ObjectResult objectResult:
                    data = objectResult.Value;
                    break;
                case EmptyResult:
                    data = null;
                    break;
                default:
                    return null;
            }

            return new JsonResult(new Result<object>
            {
                Code = eResultCode.Success,
                Error = null,
                Message = "请求成功",
                Data = data,
                Extras = UnifyContext.Take(),
                Timestamp = DateTime.Now
            });
        }

        /// <summary>
        /// 验证失败
        /// </summary>
        public IActionResult OnValidateFailed(ActionExecutingContext context, ValidationMetadata metadata)
        {
            return new JsonResult(new Result<object>
            {
                Code = eResultCode.Prompt,
                Error = InternalErrorCodes.V001.ToString(),
                Message = metadata.Message,
                Data = null,
                Extras = UnifyContext.Take(),
                Timestamp = DateTime.Now
            });
        }

        /// <summary>
        /// 响应状态码
        /// </summary>
        public async Task OnResponseStatusCodes(HttpContext context, int statusCode, UnifyResultSettingsOptions unifyResultSettings = null)
        {
            // 设置响应状态码
            UnifyContext.SetResponseStatusCodes(context, statusCode, unifyResultSettings);
            var options = new JsonSerializerOptions();
            options.PropertyNamingPolicy = null; //返回属性大小写问题
            options.ReferenceHandler = ReferenceHandler.IgnoreCycles; //忽略循环引用 仅.NET 6支持
            options.Converters.Add(new DateTimeJsonConverter());//时间格式处理
            options.Converters.Add(new DateTimeNullableJsonConverter());//时间格式处理
            options.Converters.Add(new LongJsonConverter());//长整型格式处理
            options.Converters.Add(new LongNullableJsonConverter());//长整型格式处理
            if (Enum.IsDefined(typeof(HttpStatusCode), (HttpStatusCode)statusCode))
            {
                await context.Response.WriteAsJsonAsync(new Result<object>
                {
                    Code = eResultCode.Confirm,
                    Error = InternalErrorCodes.A099.ToString(),
                    Message = "权限验证失败",
                    Data = null,
                    Extras = UnifyContext.Take(),
                    Timestamp = DateTime.Now
                }, options);
            }
        }
    }


}