#include "DisplayCenter.h"

#include "LCDDisplay.h"

DisplayCenter::DisplayCenter() : m_lcd(new LCDDisplay())
                                ,brun(false), m_msgs("DisplayCenter")
{
    m_showthread.reset(new std::thread(&DisplayCenter::runloop,this));
    m_distype = DisType::Dis_Unkown;
    PutMsg(DisType::Dis_Init, code_page_, ClearScreen::All);
}

DisplayCenter::~DisplayCenter()
{
    brun = false;

    m_msgs.trigger();
    if(m_showthread.get()&& m_showthread->joinable())
    {
        m_showthread->join();
        m_showthread.reset();
    }
    m_msgs.clear();

    m_lcd.reset();
}

void DisplayCenter::PutMsg(DisType distype,int pagenum,ClearScreen clearscreen)
{   
    m_msgs.save({distype,clearscreen,(unsigned int )pagenum,""}, true);
}

void DisplayCenter::ResetMsgQueue()
{
    m_msgs.clear();
}

void DisplayCenter::runloop()
{
    brun = true;
    while (brun)
    {
        MsgPair msg;
        if(m_msgs.take(msg, true))
        {
            m_distype = msg.distype;
            m_lcd->DisplayState(msg.distype, msg.pagenum, msg.clearscree);
        }
    }
}

DisType DisplayCenter::getcurdistype()
{
    return m_distype;
}