#include "StateWidget.h"

StateWidget::StateWidget(int flag,int index,QWidget *parent) : QWidget(parent)
{
    this->setMouseTracking(true);

    gridlayout = new QGridLayout(this);
    gridlayout->setMargin(0);
    gridlayout->setVerticalSpacing(6);


    title = new QLabel("new status");

    QFont font;
    font.setFamily("Arial");
    font.setBold(false);
    font.setPixelSize(20);
    title->setFont(font);

    title->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
    title->setFixedSize(w/2,h+m_offset);

    gridlayout->addWidget(title,0,0,1,1);

    if(flag != 1)
    {
        label = new QLabel("0");

        QFont font;
        font.setFamily("Arial");
        font.setBold(false);
        font.setPixelSize(20);
        label->setFont(font);

        label->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
        label->setFixedSize(w/2,h+m_offset);
        setColor(state::gray);
        gridlayout->addWidget(label,0,1,1,1);
    }
    else if(flag == 1)
    {
        bar = new QProgressBar();

        QFont font;
        font.setFamily("Arial");
        font.setBold(false);
        font.setPixelSize(20);
        bar->setFont(font);

        bar->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
        bar->setRange(0,100);
        bar->setValue(0);
        bar->setFixedSize(w/2,h+m_offset);
        gridlayout->addWidget(bar,0,1,1,1);
    }

    type = flag;


    this->setLayout(gridlayout);
    this->resize(w,h+ 2 * m_offset);
}

StateWidget::StateWidget(int flag, QString t,QVariant v,state s,int index, QWidget *parent) : QWidget(parent)
{
    this->setMouseTracking(true);

    id = index;

    gridlayout = new QGridLayout(this);
    gridlayout->setMargin(0);
    gridlayout->setVerticalSpacing(6);


    title = new QLabel(t);

    QFont font;
    font.setFamily("Arial");
    font.setBold(false);
    font.setPixelSize(20);
    title->setFont(font);

    title->setAlignment(Qt::AlignLeft | Qt::AlignVCenter);
    title->setFixedSize(w/2,h+m_offset);

    gridlayout->addWidget(title,0,0,1,1);

    if(flag != 1)
    {
        label = new QLabel(v.toString());

        QFont font;
        font.setFamily("Arial");
        font.setBold(false);
        font.setPixelSize(20);
        label->setFont(font);

        label->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
        label->setFixedSize(w/2,h+m_offset);
        setColor(s);
        gridlayout->addWidget(label,0,1,1,1);
    }
    else if(flag == 1)
    {
        bar = new QProgressBar();

        QFont font;
        font.setFamily("Arial");
        font.setBold(false);
        font.setPixelSize(20);
        bar->setFont(font);

        bar->setFormat("%v");
        bar->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
        bar->setRange(0,100);
        bar->setValue(v.toDouble());
        bar->setFixedSize(w/2,h+m_offset);
        gridlayout->addWidget(bar,0,1,1,1);
    }

    type = flag;

    this->setLayout(gridlayout);
    this->resize(w,h + 2 * m_offset);
}


StateWidget::~StateWidget()
{
     if(title)
     {
         delete title;
     }

     if(label)
     {
         delete label;
     }

     if(bar)
     {
         delete bar;
     }

     if(gridlayout)
     {
         delete gridlayout;
     }
}

void StateWidget::mousePressEvent(QMouseEvent *event)
{
   Q_UNUSED(event)
}

void StateWidget::mouseReleaseEvent(QMouseEvent *event)
{
   Q_UNUSED(event)
}

void StateWidget::mouseMoveEvent(QMouseEvent *event)
{
   Q_UNUSED(event)
}

void StateWidget::enterEvent(QEvent * event)
{
   Q_UNUSED(event)

   this->resize(this->size().width() + 6,this->height() + 6);

    if(title)
    {
        QFont font = title->font();
        font.setBold(true);
        font.setPixelSize(23);
        title->setFont(font);
    }

    if(label)
    {
        QFont font = label->font();
        font.setBold(true);
        font.setPixelSize(23);
        label->setFont(font);
    }

    if(bar)
    {
        QFont font = bar->font();
        font.setBold(true);
        font.setPixelSize(23);
        bar->setFont(font);
    }
}

void StateWidget::leaveEvent(QEvent *event)
{
    this->resize(this->size().width() - 6,this->height() - 6);

    if(title)
    {
        QFont font = title->font();
        font.setBold(false);
        font.setPixelSize(20);
        title->setFont(font);
    }

    if(label)
    {
        QFont font = label->font();
        font.setBold(false);
        font.setPixelSize(20);
        label->setFont(font);
    }

    if(bar)
    {
        QFont font = bar->font();
        font.setBold(false);
        font.setPixelSize(20);
        bar->setFont(font);
    }
}


void StateWidget::setColor(state s)
{
    if(label)
    {
        label->setProperty("state",s);
        label->style()->unpolish(label);
        label->style()->polish(label);
    }

    if(bar)
    {
        bar->setProperty("state",s);
        bar->style()->unpolish(bar);
        bar->style()->polish(bar);
    }

}

void StateWidget::setValue(QString s)
{
    if(label)
    {
        label->setText(s);
    }


    //设置颜色会造成死机
    bool flag = false;
    double num = s.toDouble(&flag);

    double value =  (qIsNaN(num))?(0):(num);


    //qDebug() << "num" << num << "value" << value;

/*
    if(bar)
    {

        if(value > bar->maximum())
        {
             bar->setRange(min,value);
        }
        else if(value > bar->minimum())
        {
             bar->setRange(value,max);
        }
        else
        {
            bar->setRange(min,max);
        }

        bar->setValue(value);
    }
    */


    if(flag)//number
    {
        double last = min;

        for (QMap<QVariant,state>::iterator i = stateMap.begin(); i != stateMap.end(); ++i) {

            if(i == stateMap.begin())
            {
                if(value < i.key().toDouble())
                {
                    setColor(state::red);
                    break;
                }
            }
            else
            {
                if((value >= last) &&(value <= i.key().toDouble()))
                {
                    setColor(i.value());
                    break;
                }
            }

            last = i.key().toDouble();

            if((i+1) == stateMap.end())//overflow is red
            {
                if(value > last)
                {
                    setColor(state::red);
                    break;
                }
            }

        }
    }
    else //not a number
    {
        if(s.contains('|'))
        {
         QStringList list = s.split('|');

         bool isNum = false;

         qreal last = 0;
         bool isDiff = false;
         foreach (QString ss, list) {
            bool nflag = false;
             qreal nn = ss.toDouble(&nflag);
             isNum = nflag;
                 if(nflag)
                 {
                     if(!stateMap.isEmpty())
                     {
                         bool flag_key = false;
                         qreal limit = stateMap.begin().key().toDouble(&flag_key);
                         if(flag_key)
                         {
                             isDiff = (qAbs(nn - last) > limit)?(true):(false);
                         }
                         else
                         {
                             isDiff = (qAbs(nn - last) > 1.0)?(true):(false);
                         }


                     }
                     else
                     {
                         isDiff = (qAbs(nn - last) > 1.0)?(true):(false);
                     }
                 }
                 last = nn;
             }

         if(isNum)
         {
             if(isDiff)
             {
                 setColor(state::red);
             }
             else
             {
                 setColor(state::green);
             }
         }
         else
         {
             if(stateMap.keys().contains(s))
             {
                 setColor(stateMap.value(s));
             }
             else
             {
                 setColor(state::gray);
             }
         }
        }
        else
        {
            if(stateMap.keys().contains(s))
            {
                setColor(stateMap.value(s));
            }
            else
            {
                setColor(state::gray);
            }
        }
    }

}

void StateWidget::setRange(double m_min,double m_max)
{
    min = m_min;
    max = m_max;

    if(bar)
    {
        bar->setRange(min,max);
    }
}

void StateWidget::setStats(QMap<QVariant, state> l)
{
    stateMap = l;
}