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 class WeComAlert
{
    public string Env { get; set; } = "";
    public string UserName { get; set; } = "";
    public string Api { get; set; } = "";
    public string Message { get; set; } = "";
    public string? JsonData { get; set; }
    public string? Stack { get; set; }
    public bool HasStack => !string.IsNullOrWhiteSpace(Stack);
    public string[] AtUsers { get; set; } = [];
}



public static class WeComNotifier
{

    public static async Task SendAlertAsync(string webhook, WeComAlert alert)
    {
        try
        {
            var client = new RestClient();
            var request = new RestRequest(webhook, Method.Post);

            var time = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss");

            // 处理 @
            var atText = alert.AtUsers != null && alert.AtUsers.Any()
                ? string.Join("", alert.AtUsers.Select(u => $" <@{u}>"))
                : "";

            // 处理堆栈
            var stack = alert.Stack;
            if (!string.IsNullOrWhiteSpace(stack))
            {
                stack = stack.Replace("\n", "\n> ");
                if (stack.Length > 1200)
                    stack = stack[..1200] + "...(已截断)";
            }

            var markdown = $@"## 🚨 系统告警
> {atText}
> **部署环境：** [{alert.Env}]({alert.Env})
> **发生时间：** {time}
> **操作人：** {alert.UserName}
> **接口地址：** {alert.Api}
### ❗ 告警信息
<font color=""warning"">{alert.Message}</font>";

            if (!string.IsNullOrWhiteSpace(alert.JsonData))
            {
                markdown += $@"
> **📦 请求数据（JSON 格式）：**
```json
{alert.JsonData}
```";
            }

            if (!string.IsNullOrWhiteSpace(stack))
            {
                markdown += $@"
### 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);

            await client.ExecuteAsync(request);
        }
        catch (Exception ex)
        {
            Log.Logger.Error("企业微信告警发送失败: " + ex.Message);
        }
    }

}