using System.Collections.Generic;
using System.Linq;
using Sog;
using Google.Protobuf.WellKnownTypes;

namespace SMCenter
{
    public class BaseCmdProc
    {
        public CmdInfo m_nowCmd;
		public string m_explainCmd;

		public bool m_needCheckValidServerId;

		public void InitCmd(CmdInfo cmd)
        {
            m_nowCmd = cmd;			
		}

		public virtual void ClearData()
		{
			m_nowCmd = null;
		}

		public virtual int DoCmd(out string msg)
        {
            msg = "invalid cmd...";
            TraceLog.Error("BaseCmdProc.DoCmd should not call this func, cmd {0}", m_nowCmd.CMD);
            return 0;
        }

        // 返回值：-1 出错（cmd结束） 0 cmd结束 1 继续update
        public virtual int UpdateCmd(long tMs)
        {
            TraceLog.Error("BaseCmdProc.UpdateCmd should not call this func, cmd {0}", m_nowCmd.CMD);
            return 0;
        }

        public virtual void OnAgentDoCommandRes(ClientInfo client, SMAgentDoCommandRes res)
        {
            TraceLog.Error("BaseCmdProc.OnAgentDoCommandRes should not call this func, cmd {0}", m_nowCmd.CMD);
        }


		// m_procs去重, 同时只加载已经注册连接的agent数据
		// todo 这个函数写的有点问题, m_procs是符合命令条件的所有app信息, 去重后获得这些app部署的host
		// 最好不要Distinct去重后直接覆盖原来的m_procs, 代码调用太广, 暂不修改吧
		public void CmdProcInfoDistinct(string hostName = "")
		{
			if (m_nowCmd == null)
			{
				return;
			}

			//排除非指定的hostName
			if(string.IsNullOrEmpty(hostName) == false && hostName != "*")
			{
				m_nowCmd.m_procs = m_nowCmd.m_procs.Where(p => p.Value.SMApp.HostName == hostName).ToDictionary(p => p.Key, p => p.Value);
			}

            var hostList = new List<string>();
			var tempProcs = new Dictionary<uint, CmdProcInfo>();
			var regAgents = SMCenterNet.Instance.GetAllAgent(); //所有的已经启动的agent
			foreach (var info in m_nowCmd.m_procs)
			{
				if (string.IsNullOrEmpty(hostList.Find(x => x == info.Value.SMApp.HostName)))
				{
					hostList.Add(info.Value.SMApp.HostName);
					if (regAgents.Find(p => p.HostName == info.Value.SMApp.HostName) != null)
					{
						tempProcs.Add(info.Key, info.Value);
					}
				}
			}

			m_nowCmd.m_procs = tempProcs;
		}
	}
    
}