//
// Created by zx on 2020/7/14.
//

#include <Parkspace_communicator.h>
#include "command_manager.h"
#include "StoreProcessTask.h"
#include "PickupProcessTask.h"
#include "system_communicator.h"

Command_manager::Command_manager()
    :m_thread_queue_process(nullptr)
{

}

Command_manager::~Command_manager()
{
    //等待线程池完成
    if(m_thread_queue_process!=nullptr) {
        m_thread_queue_process->WaitForFinish();
        m_thread_queue_process->Stop();
    }

}

Error_manager Command_manager::init()
{
    //创建线程池
    if(m_thread_queue_process== nullptr)
    {
        m_thread_queue_process=tq::TQFactory::CreateDefaultQueue();
        m_thread_queue_process->Start(12);
    }

    return SUCCESS;
}

/*
 * 执行停车请求
 */
Error_manager Command_manager::execute_store_command(message::Store_command_request_msg& request,message::Store_command_response_msg& response)
{

    if(m_thread_queue_process==nullptr)
    {
        return Error_manager(ERROR,CRITICAL_ERROR,"线程池未初始化,bug");
    }
    if(request.base_info().msg_type()==message::eStore_command_request_msg
       &&request.base_info().receiver()==message::eMain
       &&request.base_info().sender()==message::eTerminor)
    {
        if(request.has_locate_information())
        {
            message::Locate_information locate_info=request.locate_information();
            if(locate_info.has_locate_correct())
            {
                if(locate_info.locate_correct()==true)
                {
                    if(locate_info.has_locate_width()&&locate_info.has_locate_height()
                       &&locate_info.has_locate_x()&&locate_info.has_locate_y()
                       &&locate_info.has_locate_angle()&&locate_info.has_locate_wheel_base())
                    {
                        /*
                         * 检查消息完毕,开始处理
                         */
                        message::Base_info base_info;
                        base_info.set_msg_type(message::eStore_command_response_msg);
                        base_info.set_sender(message::eMain);
                        base_info.set_receiver(message::eTerminor);
                        response.mutable_base_info()->CopyFrom(base_info);
                        response.set_terminal_id(request.terminal_id());

                        message::Error_manager error_msg;
                        error_msg.set_error_code(0);

                        /*
                        * 检查各个节点是否正常
                        */
                        Error_manager parkspace_code= Parkspace_communicator::get_instance_pointer()->check_statu();
                        if(parkspace_code!=SUCCESS)
                        {
                            error_msg.set_error_code(parkspace_code.get_error_code());
                            error_msg.set_error_description(parkspace_code.get_error_description());
                            response.mutable_code()->CopyFrom(error_msg);
                            return parkspace_code;
                        }
                        Error_manager locate_code= Locate_communicator::get_instance_pointer()->check_statu();
                        if(locate_code!=SUCCESS)
                        {
                            error_msg.set_error_code(locate_code.get_error_code());
                            error_msg.set_error_description(locate_code.get_error_description());
                            response.mutable_code()->CopyFrom(error_msg);
                            return locate_code;
                        }
                        Error_manager dispatch_code= Dispatch_communicator::get_instance_pointer()->check_statu();
                        if(dispatch_code!=SUCCESS)
                        {
                            error_msg.set_error_code(dispatch_code.get_error_code());
                            error_msg.set_error_description(dispatch_code.get_error_description());
                            response.mutable_code()->CopyFrom(error_msg);
                            return dispatch_code;
                        }

                        //一切正常,接受指令
                        int command_id=request.terminal_id()+10000;
                        tq::BaseTask* ptask;
                        if(false==m_store_command_task_map.find(request.terminal_id(),ptask))
                        {
                            ptask=new StoreProcessTask(request.terminal_id());
                            m_store_command_task_map[request.terminal_id()]=ptask;
                        }
                        StoreProcessTask* pStore_task=(StoreProcessTask*)ptask;
                        //初始化流程
                        pStore_task->init_task(command_id,locate_info,request.car_info());

                        //获取车位
                        Error_manager code=pStore_task->alloc_space();
                        if(code==SUCCESS)
                        {
                            m_thread_queue_process->AddTask(pStore_task);
                            response.mutable_code()->CopyFrom(error_msg);
                            return SUCCESS;

                        }
                        error_msg.set_error_code(code.get_error_code());
                        error_msg.set_error_description(code.to_string());
                        response.mutable_code()->CopyFrom(error_msg);
                        LOG(ERROR)<<"创建停车流程失败(车位分配失败),终端:"<<request.terminal_id()<<
                                  "车牌:"<<request.car_info().license()<<"  "<<code.to_string();
                        return code;

                    }
                }
            }

        }

        return Error_manager(FAILED,MINOR_ERROR,"创建停车流程失败......");
    }
    else
    {
        return Error_manager(INVALID_MESSAGE,MAJOR_ERROR,"停车请求基本信息错误");
    }
}

/*
 * 执行取车请求
 */
Error_manager Command_manager::execute_pickup_command(message::Pickup_command_request_msg& request,message::Pickup_command_response_msg& response)
{

    if(m_thread_queue_process==nullptr)
    {
        return Error_manager(ERROR,CRITICAL_ERROR,"线程池未初始化,bug");
    }
    if(request.base_info().msg_type()==message::ePickup_command_request_msg
       &&request.base_info().receiver()==message::eMain
       &&request.base_info().sender()==message::eTerminor
       &&request.has_car_info()) {

        message::Base_info baseInfo;
        baseInfo.set_msg_type(message::ePickup_command_response_msg);
        baseInfo.set_sender(message::eMain);
        baseInfo.set_receiver(message::eTerminor);
        response.mutable_base_info()->CopyFrom(baseInfo);
        response.set_terminal_id(request.terminal_id());

        message::Error_manager error_msg;
        error_msg.set_error_code(0);

        /*
        * 检查各个节点是否正常
        */
        Error_manager parkspace_code= Parkspace_communicator::get_instance_pointer()->check_statu();
        if(parkspace_code!=SUCCESS)
        {
            error_msg.set_error_code(parkspace_code.get_error_code());
            error_msg.set_error_description(parkspace_code.get_error_description());
            response.mutable_code()->CopyFrom(error_msg);
            return parkspace_code;
        }

        Error_manager dispatch_code= Dispatch_communicator::get_instance_pointer()->check_statu();
        if(dispatch_code!=SUCCESS)
        {
            error_msg.set_error_code(dispatch_code.get_error_code());
            error_msg.set_error_description(dispatch_code.get_error_description());
            response.mutable_code()->CopyFrom(error_msg);
            return dispatch_code;
        }

        //一切正常,接受指令
        Error_manager code;
        int command_id = request.terminal_id()+20000;
        tq::BaseTask* ptask;
        if(false==m_pick_command_task_map.find(request.terminal_id(),ptask))
        {
            ptask=new PickupProcessTask(request.terminal_id());
            m_pick_command_task_map[request.terminal_id()]=ptask;
        }
        PickupProcessTask* pPick_task=(PickupProcessTask*)ptask;
        //初始化流程
        pPick_task->init_task(command_id, request.car_info());
        /////查询车位
        code=pPick_task->search_space();

        if(code==SUCCESS)
        {
            m_thread_queue_process->AddTask(pPick_task);
            response.mutable_code()->CopyFrom(error_msg);
            return SUCCESS;
        }
        error_msg.set_error_code(code.get_error_code());
        error_msg.set_error_description(code.to_string());
        response.mutable_code()->CopyFrom(error_msg);
        LOG(ERROR)<<"创建取车流程失败(车位查询失败),终端:"<<request.terminal_id()<<
                  "车牌:"<<request.car_info().license()<<"  "<<code.to_string();
        return code;
    }
    else
    {
        return Error_manager(INVALID_MESSAGE,MAJOR_ERROR,"停车请求信息错误");
    }
}