#include <QScrollArea>
#include <QVBoxLayout>
#include <QPushButton>
#include <QMessageBox>
#include <QPainter>
#include "PaiJobErrorInfoWidget.h"
#include "PaiJobErrorInfoBar.h"
#include "PaiJobErrorInfoItem.h"
#include <QDebug>
#include <QStringList>

using namespace pai::gui;

PaiJobErrorInofWidget::PaiJobErrorInofWidget(QWidget *pParent) :
    QWidget(pParent)
{
    QPalette pal = palette();
    pal.setColor(QPalette::Background, Qt::white);
    setPalette(pal);

    m_list.clear();
    m_Value = 1;
    m_NumErrorBar = 1;
    m_EnableExpand = false;

    QVBoxLayout *mainLayout = new QVBoxLayout;

    this->setLayout(mainLayout);
    this->resize(640, 230);

    if(pParent && pParent->parent())
    {
        connect(this, SIGNAL(HideItem()),pParent->parent(),SLOT(HideItem()));
    }
}

void PaiJobErrorInofWidget::UpdateEroorBarInfo(const QString& error)
{
    //以此更新显示的信息
    QString strTemp;
    for(int i = m_list.size(); i > 0 ; --i)
    {
        if(i == m_list.size())
        {
            strTemp = error;
        }
        else
        {
            strTemp = m_list.at(i - 1).pJobErrorBar->GetTextEdit()->toPlainText();
        }
        m_list.at(i - 1).pJobErrorBar->ErrorBarInfo(strTemp);
    }
}

void PaiJobErrorInofWidget::AddErrorInofToBar(const QString& error)
{
    if(m_NumErrorBar > 6)
    {
        UpdateEroorBarInfo(error);
        return;
    }
    m_NumErrorBar++;

    PaiJobErrorInfoBar *pJobErrorBar = new PaiJobErrorInfoBar(this);
    ErrorBarPos errorbarpos;
    errorbarpos.pJobErrorBar = pJobErrorBar;
    errorbarpos.yPos = 0;

    QString str;
    str.sprintf("Error Info %d", m_Value);

    m_Value++;
    pJobErrorBar->GetLabel()->setText(str);
    pJobErrorBar->ErrorBarInfo(error);

    m_list.push_back(errorbarpos);

    //重新定义infoBar位置
    int infoBarNum = m_list.size();
    for(int i = 0; i < infoBarNum; i++)
    {
        m_list[i].yPos = (infoBarNum-i-1)*40;
        m_list[i].pJobErrorBar->move(0,m_list[i].yPos);
        m_list[i].pJobErrorBar->show();
    }

    connect(pJobErrorBar, SIGNAL(ExpendDialog(bool)), this, SLOT(ErrorInfo(bool)));
    connect(pJobErrorBar, SIGNAL(CloseDialog()), this, SLOT(UpdatePosition()));
}

void PaiJobErrorInofWidget::UpdatePosition()
{
    PaiJobErrorInfoBar *pPaiJobError = qobject_cast< PaiJobErrorInfoBar * > (sender());

    m_EnableExpand = false;
    int iNum = 0;
    QList< ErrorBarPos >::Iterator it = m_list.begin();
    QList< ErrorBarPos >::Iterator end = m_list.end();
    while(it != end)
    {
        if((*it).pJobErrorBar == pPaiJobError)
        {
            it = m_list.erase(it);
            end = m_list.end();
            break;
        }
        else
        {
            ++iNum;
            ++it;
        }
    }

    //移动显示条，并更新位置
    for(int i = 0; i < m_list.size(); ++i)
    {
        if(i < iNum)
        {
            int iMove = m_list[i].yPos - 40;
            m_list.at(i).pJobErrorBar->move(0, iMove);
            m_list[i].yPos = iMove;
        }
        else
        {
            m_list.at(i).pJobErrorBar->GetLabel()->setText(QString("Error Info %1").arg(i+1));
        }

        if(m_list.at(i).pJobErrorBar->isHidden())
        {
            m_list.at(i).pJobErrorBar->show();
        }
    }
    pPaiJobError->close();
    if(m_list.isEmpty())
    {
    	emit HideItem();
    }
}

void PaiJobErrorInofWidget::ErrorInfo(bool show)
{
    PaiJobErrorInfoBar *pPaiJobError = qobject_cast< PaiJobErrorInfoBar * > (sender());
    if(pPaiJobError == NULL)
    {
        return;
    }

    if(show)
    {
        pPaiJobError->move(0, 0);
        m_EnableExpand = true;
        m_pJobErrorInfoBar = pPaiJobError;
        for(int i = 0; i < m_list.size(); ++i)
        {
            if(m_list.at(i).pJobErrorBar != pPaiJobError)
            {
                m_list.at(i).pJobErrorBar->hide();
                if(!m_list.at(i).pJobErrorBar->GetDownWidget()->isHidden())
                {
                    m_list.at(i).pJobErrorBar->GetDownWidget()->hide();
                }
            }
        }
    }
    else
    {
        m_EnableExpand = false;
        m_pJobErrorInfoBar = NULL;
        for(int i = 0; i < m_list.size(); ++i)
        {
            if(m_list.at(i).pJobErrorBar == pPaiJobError)
            {
                if(i == m_list.size() - 1)
                {
                    break;
                }
                m_list.at(i).pJobErrorBar->move(0, m_list[i].yPos);
            }
            else
            {
                m_list.at(i).pJobErrorBar->show();
            }
        }
    }
}

PaiJobErrorInofWidget::~PaiJobErrorInofWidget()
{
}

void PaiJobErrorInofWidget::paintEvent(QPaintEvent*)
{
    QPainter paint(this);
    QPen pen;
    pen.setWidth(5);
    pen.setColor(Qt::white);
    paint.setPen(pen);

    paint.drawRect(0.5, 0.5, this->width() - 2, this->height() - 2);
}

QList<ErrorBarPos> PaiJobErrorInofWidget::GetErrorBarList() const
{
    return m_list;
}

bool PaiJobErrorInofWidget::GetEnableExpand() const
{
   return m_EnableExpand;
}

void PaiJobErrorInofWidget::SetExpandedError(PaiJobErrorInfoBar* pExpandedError)
{
    m_pJobErrorInfoBar = pExpandedError;
}

PaiJobErrorInfoBar* PaiJobErrorInofWidget::GetExpandedError() const
{
    return m_pJobErrorInfoBar;
}