using Aveva.ApplicationFramework;
using System;
using System.Windows.Forms;
using Aveva.ApplicationFramework;
using TellmePdmsPluging.Network;
using TellmePdmsPluging.Core;

namespace TellmePdmsPluging
{
    public class TellmePdmsAddin : IAddin
    {
        private HttpServer _httpServer;

        public string Name
        {
            get
            {
                return "TellmePdmsAddin";
            }
        }

        public string Description
        {
            get
            {
                return "PDMS远程控制插件";
            }
        }

        /// <summary>
        /// 程序打开时，会调用这个方法
        /// </summary>
        /// <param name="serviceManager"></param>
        public void Start(ServiceManager serviceManager)
        {
            try
            {
                // 记录启动日志
                LogMessage("开始启动TellmePdms插件...");

                SafeQueue.Init();
                
                // 启动HTTP服务器
                _httpServer = new HttpServer(9001);
                _httpServer.Start();

                Application.Idle += OnIdle;
                
                // 弹出成功提示
                MessageBox.Show(
                    "TellmePdms插件已成功加载！\n" +
                    "HTTP服务器已启动，监听端口: 9001\n\n" +
                    "测试地址:\n" +
                    "- 健康检查: http://localhost:9001/health\n" +
                    "- 测试接口: http://localhost:9001/test", 
                    "插件加载成功", 
                    MessageBoxButtons.OK, 
                    MessageBoxIcon.Information);
                
                LogMessage("TellmePdms插件启动成功");
            }
            catch (Exception ex)
            {
                string errorMsg = $"插件启动失败: {ex.Message}";
                LogMessage($"ERROR: {errorMsg}\n{ex.StackTrace}");
                MessageBox.Show(errorMsg, "错误", MessageBoxButtons.OK, MessageBoxIcon.Error);
            }
        }

        /// <summary>
        /// 程序关闭时，会调用这个方法
        /// </summary>
        public void Stop()
        {
            try
            {
                LogMessage("开始停止TellmePdms插件...");

                Application.Idle -= OnIdle;
                
                // 停止HTTP服务器
                if (_httpServer != null)
                {
                    _httpServer.Stop();
                    _httpServer.Dispose();
                    _httpServer = null;
                }
                
                LogMessage("TellmePdms插件已停止");
            }
            catch (Exception ex)
            {
                LogMessage($"插件停止时出错: {ex.Message}");
            }
        }

        private void OnIdle(object sender, EventArgs e)
        {
            try
            {
                while (SafeQueue.TryDequeue(out ICommand cmd))
                {
                    cmd.Execute();
                }
            }
            catch (Exception ex)
            {
                LogMessage($"Idle执行命令时出错: {ex.Message}");
            }
        }

        private void LogMessage(string message)
        {
            try
            {
                string logPath = @"C:\temp\pdms_plugin_log.txt";
                string logEntry = $"{DateTime.Now:yyyy-MM-dd HH:mm:ss} - {message}\r\n";
                System.IO.File.AppendAllText(logPath, logEntry);
            }
            catch { }
        }
    }
}