using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Newtonsoft.Json;
using RestSharp;
using System.Net;
using System.Threading.Tasks;
using IdentityModel;

namespace IRaCIS.Core.Application.Helper.OtherTool;



public static class WeComNotifier
{
  
    public static async Task SendErrorAsync(string webhook, string env, string userName,string api,string json, Exception ex, params string[] atUsers)
    {
        try
        {
            var client = new RestClient();
            var request = new RestRequest(webhook, Method.Post);

            string hostName = Dns.GetHostName();
            string time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");

            var stack = ex.StackTrace ?? "无堆栈信息";
            stack = stack.Replace("\n", "\n> "); // 每行变成引用，防止markdown断裂
            if (stack.Length > 1200)
                stack = stack.Substring(0, 1200) + "...(已截断)";

            string atText = "";
            if (atUsers != null && atUsers.Any())
            {
                foreach (var u in atUsers)
                {
                    atText += $" <@{u}>";  // 注意空格分隔
                }
            }


            //> **运行环境：** < font color = ""comment"" >{ EnvironmentName}</ font > danger danger  warning
            var markdown = $@"## 🚨 系统异常告警
                            > {atText}
                            > **部署环境：**  [{env}]({env}) 
                            > **服务器：** {hostName}  
                            > **发生时间：** {time} 
                            > **操作人：** {userName} 
                            > **接口地址：** {api}
                            ### ❗ 异常信息
                            <font color=""warning"">{ex.Message}</font>
                            >**📦 请求数据（JSON 格式）：**  
```json
{json}
```
                            ### 堆栈信息（部分）
                            > <font color=""comment"">{stack}</font>
                            ";

            var payload = new
            {
                msgtype = "markdown",
                markdown = new
                {
                    content = markdown
                }
            };

            request.AddHeader("Content-Type", "application/json");
            request.AddStringBody(JsonConvert.SerializeObject(payload), DataFormat.Json);

            var response = await client.ExecuteAsync(request);

            if (!response.IsSuccessful)
            {
                Log.Logger.Error($"企业微信通知失败: {response.StatusCode} {response.ErrorMessage}");
            }
        }
        catch (Exception notifyEx)
        {
            Log.Logger.Error("发送企业微信告警异常: " + notifyEx.Message);
        }
    }
}