//
// Created by zx on 2020/6/18.
//

#ifndef PARKSPACE_ALLOCATION_COMMUNICATOR_H
#define PARKSPACE_ALLOCATION_COMMUNICATOR_H

#include <mutex>
#include "communication_socket_base.h"
#include "singleton.h"

#include "parkspace_allocation_message.pb.h"
#include "error_code.h"

class Parkspace_allocation_communicator: public Singleton<Parkspace_allocation_communicator>, public Communication_socket_base
{
    friend Singleton<Parkspace_allocation_communicator>;
public:
    virtual ~Parkspace_allocation_communicator();
    //外部调用，反馈结果消息
    Error_manager send_response(Communication_message* message);
    //更新所有车位状态，现有状态将被全部覆盖，车位数量可能变动
    Error_manager update_parkspace_status(message::Parkspace_allocation_status_msg message);
    //更新某个车位状态，不修改车位数量，车位按编号从0开始
    Error_manager update_parkspace_status(int parkspace_id, message::Parkspace_info parkspace_info);
    //获取所有车位状态
    message::Parkspace_allocation_status_msg get_status();

protected:
    Parkspace_allocation_communicator();
    //封装反馈消息，加入队列父类自行发送
    virtual Error_manager encapsulate_msg(Communication_message* message);
    //解析车位分配请求消息具体内容，激活车位分配单例处理函数（不可阻塞），获得结果后由车位分配单例封装消息发送
    virtual Error_manager execute_msg(Communication_message* p_msg);
    //检查是否接收到本模块需要的消息，重载后父类自行调用判断
    virtual Error_manager check_msg(Communication_message* p_msg);
    //重载检查执行者函数，判断执行者状态
    virtual Error_manager check_executer(Communication_message*  p_msg);
    //心跳与车位实时信息
    virtual Error_manager encapsulate_send_data();

protected:
    message::Parkspace_allocation_status_msg                                m_parkspace_status_msg;
    std::mutex                                                              m_status_mutex;
};


#endif //PARKSPACE_ALLOCATION_COMMUNICATOR_H