#pragma once
#include <mutex>
#include <string>
#include <thread>
#include <list>
#include "RWData.h"

#include "../protobuf/stream.grpc.pb.h"

using grpc::ServerContext;


class ClientInfo {
public:
    ClientInfo()
        : m_clientAddr("0.0.0.0:0")
        , m_readQuitFlag(false)
        , m_writeQuitFlag(false)
        , m_context(nullptr) {

    }

    ~ClientInfo() {
        m_readQuitFlag = true;
        m_writeQuitFlag = true;

        std::lock_guard<std::mutex> lock(m_msgLock);
        auto lst = m_msgList.begin();
        while (lst != m_msgList.end()) {
            delete (*lst);
        }
        m_msgList.clear();
    }

    bool IsConnect() {
        return m_context && !m_context->IsCancelled();
    }

    bool GetPushMsg(WriteData& msg) {
        std::lock_guard<std::mutex> lock(m_msgLock);
        if (m_msgList.empty()) {
            return false;
        }
        else {
            WriteData* wd = m_msgList.front();
            if (!wd) return false;
            msg = *wd;
            delete wd;
            m_msgList.pop_front();
            return true;
        }
    }

    void PushMsg(WriteData* msg) {
        std::lock_guard<std::mutex> lock(m_msgLock);
        m_msgList.push_back(msg);
    }

public:
    std::string m_clientAddr;  //客户端地址
    bool  m_readQuitFlag;  //读线程退出标致
    bool  m_writeQuitFlag;    //写线程退出标致
    ServerContext* m_context;  //上下文

private:
    std::list<WriteData*> m_msgList;   //信息缓存区
    std::mutex  m_msgLock;     //信息锁
};

class ClientWrapper {
public:
    static ClientWrapper* Instance() {
        static ClientWrapper* clientWrapper = new ClientWrapper();
        return clientWrapper;
    }

    void AddClient(ClientInfo* clientInfo);   //添加客户端

    void OfflineCheck();   //下线检测

    void Clear();   //清空客户端

    void PushAllClient(const WriteData& wd);

    bool IsExist(ClientInfo* ci);

private:
    ClientWrapper() {}
    ~ClientWrapper() {}
    ClientWrapper(const ClientWrapper& clientWrapper) = delete;
    ClientWrapper& operator= (const ClientWrapper& clientWrapper) = delete;

private:
    std::mutex  m_mux;
    std::list<ClientInfo*> m_clientList;
};