/*
 Daily Panel
 Copyright (c)2011 Mark Watkins <jedimark@users.sourceforge.net>
 License: GPL
*/

#include "daily.h"
#include "ui_daily.h"

#include <QTextCharFormat>
#include <QTextBlock>
#include <QColorDialog>
#include <QSpacerItem>
#include <QBuffer>
#include <QPixmap>
#include <QMessageBox>
#include <QResizeEvent>

#include "SleepLib/session.h"
#include "Graphs/graphdata_custom.h"
#include "Graphs/gLineOverlay.h"
#include "Graphs/gFlagsLine.h"
#include "Graphs/gFooBar.h"
#include "Graphs/gXAxis.h"
#include "Graphs/gYAxis.h"
#include "Graphs/gBarChart.h"
#include "Graphs/gSegmentChart.h"

const int min_height=100;
const int default_height=150;

MyScrollArea::MyScrollArea(Daily * parent)
{
}
MyScrollArea::~MyScrollArea()
{
}
void MyScrollArea::scrollContentsBy(int dx, int dy)
{
}

Daily::Daily(QWidget *parent,QGLWidget * shared, MainWindow *mw)
    :QWidget(parent),mainwin(mw), ui(new Ui::Daily)
{
    ui->setupUi(this);

    QString prof=pref["Profile"].toString();
    profile=Profiles::Get(prof);
    if (!profile) {
        QMessageBox::critical(this,"Profile Error",QString("Couldn't get profile '%1'.. Have to abort!").arg(pref["Profile"].toString()));
        exit(-1);
    }

    //scrollArea=new MyScrollArea(this);

    gSplitter=new QSplitter(Qt::Vertical,ui->scrollArea);
    gSplitter->setStyleSheet("QSplitter::handle { background-color: 'light grey'; }");
    gSplitter->setHandleWidth(3);
#ifdef Q_WS_MAC
    gSplitter->setOpaqueResize(false);
#endif

    ui->scrollArea->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOn);
    ui->scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    ui->scrollArea->setWidget(gSplitter);
    //this->connect(ui->scrollArea,
    //ui->graphSizer->addWidget(gSplitter);
    ui->scrollArea->setAutoFillBackground(false);
    gSplitter->setAutoFillBackground(false);
    ui->scrollArea->setWidgetResizable(true);
    //gSplitter->setMinimumHeight(1600);
    //gSplitter->setMinimumWidth(600);

    SF=new gGraphWindow(gSplitter,tr("Event Flags"),shared);
    FRW=new gGraphWindow(gSplitter,tr("Flow Rate"),SF);
    PRD=new gGraphWindow(gSplitter,tr("Pressure"),SF);
    LEAK=new gGraphWindow(gSplitter,tr("Leaks"),SF);
    MP=new gGraphWindow(gSplitter,tr("Mask Pressure"),SF);
    SNORE=new gGraphWindow(gSplitter,tr("Snore"),SF);
    FLG=new gGraphWindow(gSplitter,tr("Flow Limitation"),SF);
    MV=new gGraphWindow(gSplitter,tr("Minute Ventilation"),SF);
    TV=new gGraphWindow(gSplitter,tr("Tidal Volume"),SF);
    RR=new gGraphWindow(gSplitter,tr("Respiratory Rate"),SF);
    PTB=new gGraphWindow(gSplitter,tr("Patient Trig Breaths"),SF);
    PULSE=new gGraphWindow(gSplitter,tr("Pulse"),SF);
    SPO2=new gGraphWindow(gSplitter,tr("SPO2"),SF);

    TAP=new gGraphWindow(NULL,"",(QGLWidget* )NULL);
    TAP_EAP=new gGraphWindow(NULL,"",(QGLWidget* )NULL);
    TAP_IAP=new gGraphWindow(NULL,"",(QGLWidget* )NULL);
    G_AHI=new gGraphWindow(NULL,"",(QGLWidget* )NULL);

    /*QGLFormat fmt;
    fmt.setDepth(false);
    fmt.setDirectRendering(false);
    fmt.setAlpha(true);
    fmt.setDoubleBuffer(false);
    fmt.setRgba(true);
    //fmt.setDefaultFormat(fmt);
    offscreen_context=new QGLContext(fmt); */

    SF->SetLeftMargin(SF->GetLeftMargin()+gYAxis::Margin);
    SF->SetBlockZoom(true);
    SF->AddLayer(new gXAxis());
    SF->setMinimumHeight(min_height);

    fg=new gFlagsGroup();
    fg->AddLayer(new gFlagsLine(CPAP_CSR,QColor("light green"),"CSR",false,FT_Span));
    fg->AddLayer(new gFlagsLine(CPAP_ClearAirway,QColor("purple"),"CA",true));
    fg->AddLayer(new gFlagsLine(CPAP_Obstructive,QColor("#40c0ff"),"OA",true));
    fg->AddLayer(new gFlagsLine(CPAP_Hypopnea,QColor("blue"),"H",true));
    fg->AddLayer(new gFlagsLine(CPAP_FlowLimit,QColor("black"),"FL"));
    fg->AddLayer(new gFlagsLine(CPAP_RERA,QColor("gold"),"RE"));
    fg->AddLayer(new gFlagsLine(CPAP_VSnore,QColor("red"),"VS"));
    //fg->AddLayer(AddCPAP(new gFlagsLine(flags[8],QColor("dark green"),"U0E"));
    fg->AddLayer(new gFlagsLine(CPAP_Apnea,QColor("dark green"),"A"));
    //fg->AddLayer(AddCPAP(new gFlagsLine(flags[10],QColor("red"),"VS2"));

    SF->AddLayer(AddCPAP(fg));
    // SF Foobar must go last
    SF->AddLayer(new gFooBar(10,QColor("orange"),QColor("dark grey"),true));


    PRD->AddLayer(new gXAxis());
    PRD->AddLayer(new gYAxis());
    //PRD->AddLayer(new gFooBar());
    bool square=true;
    PRD->AddLayer(AddCPAP(new gLineChart(CPAP_Pressure,QColor("dark green"),square)));
    PRD->AddLayer(AddCPAP(new gLineChart(CPAP_EAP,Qt::blue,square)));
    PRD->AddLayer(AddCPAP(new gLineChart(CPAP_IAP,Qt::red,square)));
    PRD->setMinimumHeight(min_height);

    LEAK->AddLayer(new gXAxis());
    LEAK->AddLayer(new gYAxis());
    //LEAK->AddLayer(new gFooBar());
    LEAK->AddLayer(AddCPAP(new gLineChart(CPAP_Leak,QColor("purple"),true)));

    LEAK->setMinimumHeight(min_height);


    MP->AddLayer(new gYAxis());
    MP->AddLayer(new gXAxis());
    gLineChart *g=new gLineChart(CPAP_MaskPressure,Qt::blue,false);
    AddCPAP(g);
    g->ReportEmpty(true);
    MP->AddLayer(g);
    MP->setMinimumHeight(min_height);

    //FRW->AddLayer(new gFooBar());
    FRW->AddLayer(new gYAxis());
    FRW->AddLayer(new gXAxis());
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_CSR,QColor("light green"),"CSR",FT_Span)));
    g=new gLineChart(CPAP_FlowRate,Qt::black,false);
    g->ReportEmpty(true);
    AddCPAP(g);
    FRW->AddLayer(g);
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_Hypopnea,QColor("blue"),"H")));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(PRS1_PressurePulse,QColor("red"),"PR",FT_Dot)));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_Pressure,QColor("white"),"P",FT_Dot)));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(PRS1_Unknown0B,QColor("blue"),"0B",FT_Dot)));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(PRS1_Unknown10,QColor("orange"),"10",FT_Dot)));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(PRS1_Unknown0E,QColor("yellow"),"0E",FT_Dot)));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_RERA,QColor("gold"),"RE")));
    //FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_Unknown0E,QColor("dark green"),"U0E")));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_Apnea,QColor("dark green"),"A")));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_VSnore,QColor("red"),"VS")));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_FlowLimit,QColor("black"),"FL")));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_Obstructive,QColor("#40c0ff"),"OA")));
    FRW->AddLayer(AddCPAP(new gLineOverlayBar(CPAP_ClearAirway,QColor("purple"),"CA")));

    FRW->setMinimumHeight(min_height);

    SNORE->AddLayer(new gXAxis());
    SNORE->AddLayer(new gYAxis());
    SNORE->AddLayer(AddCPAP(new gLineChart(CPAP_Snore,Qt::black,true)));
    SNORE->setMinimumHeight(min_height);

    FLG->AddLayer(new gXAxis());
    FLG->AddLayer(new gYAxis());
    FLG->AddLayer(AddCPAP(new gLineChart(CPAP_FlowLimitGraph,Qt::black,true)));
    FLG->setMinimumHeight(min_height);

    MV->AddLayer(new gXAxis());
    MV->AddLayer(new gYAxis());
    MV->AddLayer(AddCPAP(new gLineChart(CPAP_MinuteVentilation,QColor(0x20,0x20,0x7f),true)));
    MV->setMinimumHeight(min_height);

    TV->AddLayer(new gXAxis());
    TV->AddLayer(new gYAxis());
    TV->AddLayer(AddCPAP(new gLineChart(CPAP_TidalVolume,QColor(0x7f,0x20,0x20),true)));
    TV->setMinimumHeight(min_height);

    RR->AddLayer(new gXAxis());
    RR->AddLayer(new gYAxis());
    RR->AddLayer(AddCPAP(new gLineChart(CPAP_RespiratoryRate,Qt::gray,true)));
    RR->setMinimumHeight(min_height);

    PTB->AddLayer(new gXAxis());
    PTB->AddLayer(new gYAxis());
    PTB->AddLayer(AddCPAP(new gLineChart(CPAP_PatientTriggeredBreaths,Qt::gray,true)));
    PTB->setMinimumHeight(min_height);

    PULSE->AddLayer(new gXAxis());
    PULSE->AddLayer(new gYAxis());
   // PULSE->AddLayer(new gFooBar());
    PULSE->AddLayer(AddOXI(new gLineChart(OXI_Pulse,Qt::red,true)));

    PULSE->setMinimumHeight(min_height);

    SPO2->AddLayer(new gXAxis());
    SPO2->AddLayer(new gYAxis());
    SPO2->AddLayer(AddOXI(new gLineChart(OXI_SPO2,Qt::blue,true)));
    SPO2->setMinimumHeight(min_height);

    // SPO2->AddLayer(new gFooBar());
//    SPO2->setMinimumHeight(min_height);
//    SPO2->LinkZoom(PULSE);
//    PULSE->LinkZoom(SPO2);
//    SPO2->hide();
//    PULSE->hide();

    gSegmentChart *seg;

    TAP_EAP->SetMargins(0,0,0,0);
    TAP_EAP->AddLayer(AddCPAP(seg=new gTAPGraph(CPAP_EAP)));

    TAP_EAP->hide();
    TAP_EAP->SetGradientBackground(false);

    TAP_IAP->SetMargins(0,0,0,0);
    TAP_IAP->AddLayer(AddCPAP(seg=new gTAPGraph(CPAP_IAP)));
    TAP_IAP->hide();
    TAP_IAP->SetGradientBackground(false);

    TAP->SetMargins(0,0,0,0);
    TAP->AddLayer(AddCPAP(seg=new gTAPGraph(CPAP_Pressure,GST_CandleStick)));
    TAP->hide();
    TAP->SetGradientBackground(false);

    G_AHI->SetMargins(0,0,0,0);
    seg=new gSegmentChart(GST_Pie);
    seg->AddSlice(CPAP_Hypopnea,QColor(0x40,0x40,0xff,0xff),"H");
    seg->AddSlice(CPAP_Apnea,QColor(0x20,0x80,0x20,0xff),"A");
    seg->AddSlice(CPAP_Obstructive,QColor(0x40,0xaf,0xbf,0xff),"OA");
    seg->AddSlice(CPAP_ClearAirway,QColor(0xb2,0x54,0xcd,0xff),"CA");
    seg->AddSlice(CPAP_RERA,QColor(0xff,0xff,0x80,0xff),"RE");
    seg->AddSlice(CPAP_FlowLimit,QColor(0x40,0x40,0x40,0xff),"FL");
    G_AHI->AddLayer(AddCPAP(seg));
    G_AHI->SetGradientBackground(false);
    G_AHI->hide();

    NoData=new QLabel(tr("No data"),gSplitter);
    NoData->setAlignment(Qt::AlignCenter);
    QFont font("FreeSans",20); //NoData->font();
    //font.setBold(true);
    NoData->setFont(font);
    NoData->hide();

    gSplitter->addWidget(NoData);
    int i=gSplitter->indexOf(NoData);
    gSplitter->setStretchFactor(i,1);

    gGraphWindow * graphs[]={SF,FRW,MP,MV,TV,PTB,RR,PRD,LEAK,FLG,SNORE};
    int ss=sizeof(graphs)/sizeof(gGraphWindow *);

    for (int i=0;i<ss;i++) {
        AddGraph(graphs[i]);
        int j=gSplitter->indexOf(graphs[i]);
        //gSplitter->setStretchFactor(j,1);
        for (int j=0;j<ss;j++) {
            if (graphs[i]!=graphs[j])
                graphs[i]->LinkZoom(graphs[j]);
        }
    }

    AddGraph(PULSE);
    AddGraph(SPO2);

    SPO2->LinkZoom(PULSE);
    PULSE->LinkZoom(SPO2);

    //  AddGraph(SPO2);
   // spacer=new QWidget(gSplitter);
    //spacer->setMaximumHeight(default_height);
    //gSplitter->addWidget(spacer);
    //i=gSplitter->indexOf(spacer);
    //gSplitter->setStretchFactor(i,1);
    //i=gSplitter->indexOf(FRW);
    //gSplitter->setStretchFactor(i,15);


    //gSplitter->refresh();

    gSplitter->setChildrenCollapsible(false);  // We set this per widget..
    //gSplitter->setCollapsible(gSplitter->indexOf(SF),false);
    //gSplitter->setStretchFactor(gSplitter->indexOf(SF),0);

    splitter_sizes=gSplitter->sizes();
    gSplitter->layout();
    gSplitter->update();


    QTextCharFormat format = ui->calendar->weekdayTextFormat(Qt::Saturday);
    format.setForeground(QBrush(Qt::black, Qt::SolidPattern));
    ui->calendar->setWeekdayTextFormat(Qt::Saturday, format);
    ui->calendar->setWeekdayTextFormat(Qt::Sunday, format);

    ui->tabWidget->setCurrentWidget(ui->details);

    if (mainwin) {
        show_graph_menu=mainwin->CreateMenu("Graphs");
        show_graph_menu->clear();
        for (unsigned i=0;i<Graphs.size();i++) {
            QAction * action=show_graph_menu->addAction(Graphs[i]->Title(),NULL,NULL,0);
            action->setCheckable(true);
            action->setChecked(true);
            connect(action, SIGNAL(triggered()), this, SLOT(ShowHideGraphs()));
            GraphAction.push_back(action);
        }

    } else show_graph_menu=NULL;
 }

Daily::~Daily()
{
    // Save any last minute changes..
    if (previous_date.isValid())
        Unload(previous_date);

    delete gSplitter;
    delete ui;
}
void Daily::AddGraph(gGraphWindow *w)
{
    Graphs.push_back(w);

    gSplitter->addWidget(w);
    w->SetSplitter(gSplitter);
}
void Daily::resizeEvent (QResizeEvent * event)
{
    //const QSize &size=event->size();
  //  gSplitter->setMinimumWidth(size.width()-280);
}

void Daily::ReloadGraphs()
{
    QDate d=profile->LastDay();
    if (!d.isValid()) {
        d=ui->calendar->selectedDate();
    }
    on_calendar_currentPageChanged(d.year(),d.month());
    ui->calendar->setSelectedDate(d);
    Load(d);
}
void Daily::on_calendar_currentPageChanged(int year, int month)
{
    QDate d(year,month,1);
    int dom=d.daysInMonth();

    for (int i=1;i<=dom;i++) {
        d=QDate(year,month,i);
        this->UpdateCalendarDay(d);
    }
}
void Daily::UpdateEventsTree(QTreeWidget *tree,Day *day)
{
    tree->clear();
    if (!day) return;

    //return;
    tree->setColumnCount(1); // 1 visible common.. (1 hidden)

    QTreeWidgetItem *root=NULL;//new QTreeWidgetItem((QTreeWidget *)0,QStringList("Stuff"));
    map<MachineCode,QTreeWidgetItem *> mcroot;
    map<MachineCode,int> mccnt;
    int total_events=0;

    for (vector<Session *>::iterator s=day->begin();s!=day->end();s++) {

        map<MachineCode,vector<EventList *> >::iterator m;

        //QTreeWidgetItem * sroot;

        for (m=(*s)->eventlist.begin();m!=(*s)->eventlist.end();m++) {
            MachineCode code=m->first;
            if ((code!=CPAP_Obstructive)
                && (code!=CPAP_Hypopnea)
                && (code!=CPAP_Apnea)
                && (code!=CPAP_ClearAirway)
                && (code!=CPAP_CSR)
                && (code!=CPAP_RERA)
                && (code!=CPAP_FlowLimit)
                && (code!=PRS1_PressurePulse)
                && (code!=CPAP_VSnore)) continue;
            QTreeWidgetItem *mcr;
            if (mcroot.find(code)==mcroot.end()) {
                int cnt=day->count(code);
                total_events+=cnt;
                QString st=DefaultMCLongNames[m->first];
                if (st.isEmpty())  {
                    st="Fixme "+QString::number((int)code);
                }
                st+=" ("+QString::number(cnt)+" event"+((cnt>1)?"s":"")+")";
                QStringList l(st);
                l.append("");
                mcroot[code]=mcr=new QTreeWidgetItem(root,l);
                mccnt[code]=0;
            } else {
                mcr=mcroot[code];
            }
            for (unsigned z=0;z<m->second.size();z++) {
                for (int o=0;o<m->second[z]->count();o++) {
                    qint64 t=m->second[z]->time(o);

                    if (code==CPAP_CSR) {
                        t-=float(m->second[z]->raw(o)/2.0)*1000.0;
                    }
                    QStringList a;
                    QDateTime d=QDateTime::fromMSecsSinceEpoch(t);
                    QString s=QString("#%1: %2 (%3)").arg((int)++mccnt[code],(int)3,(int)10,QChar('0')).arg(d.toString("HH:mm:ss")).arg(m->second[z]->raw(o));
                    a.append(s);
                    a.append(d.toString("yyyy-MM-dd HH:mm:ss"));
                    mcr->addChild(new QTreeWidgetItem(a));
                }
            }
        }
    }
    int cnt=0;
    for (map<MachineCode,QTreeWidgetItem *>::iterator m=mcroot.begin();m!=mcroot.end();m++) {
        tree->insertTopLevelItem(cnt++,m->second);
    }
    //tree->insertTopLevelItem(cnt++,new QTreeWidgetItem(QStringList("[Total Events ("+QString::number(total_events)+")]")));
    tree->sortByColumn(0,Qt::AscendingOrder);
    //tree->expandAll();
}
void Daily::UpdateCalendarDay(QDate date)
{
    QTextCharFormat bold;
    QTextCharFormat cpapcol;
    QTextCharFormat normal;
    QTextCharFormat oxiday;
    bold.setFontWeight(QFont::Bold);
    cpapcol.setForeground(QBrush(Qt::blue, Qt::SolidPattern));
    cpapcol.setFontWeight(QFont::Bold);
    oxiday.setForeground(QBrush(Qt::red, Qt::SolidPattern));
    oxiday.setFontWeight(QFont::Bold);
    bool hascpap=profile->GetDay(date,MT_CPAP)!=NULL;
    bool hasoxi=profile->GetDay(date,MT_OXIMETER)!=NULL;

    if (hascpap) {
        if (hasoxi) {
            ui->calendar->setDateTextFormat(date,oxiday);
        } else {
            ui->calendar->setDateTextFormat(date,cpapcol);
        }
    } else if (profile->GetDay(date)) {
        ui->calendar->setDateTextFormat(date,bold);
    } else {
        ui->calendar->setDateTextFormat(date,normal);
    }
    ui->calendar->setHorizontalHeaderFormat(QCalendarWidget::ShortDayNames);

}
void Daily::on_calendar_selectionChanged()
{
    if (previous_date.isValid())
        Unload(previous_date);

    Load(ui->calendar->selectedDate());
}
void Daily::ResetGraphLayout()
{
    gSplitter->setSizes(splitter_sizes);

}
void Daily::ShowHideGraphs()
{
    int vis=0;
    for (unsigned i=0;i<Graphs.size();i++) {
        if (Graphs[i]->isEmpty()) {
            GraphAction[i]->setVisible(false);
            Graphs[i]->hide();
        } else {
            Graphs[i]->ResetBounds();
            GraphAction[i]->setVisible(true);
            if (GraphAction[i]->isChecked()) {
                Graphs[i]->show();
                vis++;
            } else {
                Graphs[i]->hide();
            }
        }
    }
    gSplitter->setMinimumHeight(vis*default_height);
    //gSplitter->setMaximumHeight(vis*default_height);
    gSplitter->layout();
    gSplitter->update();
    RedrawGraphs();
}
void Daily::Load(QDate date)
{
    static Day * lastcpapday=NULL;
    previous_date=date;
    Day *cpap=profile->GetDay(date,MT_CPAP);
    Day *oxi=profile->GetDay(date,MT_OXIMETER);
   // Day *sleepstage=profile->GetDay(date,MT_SLEEPSTAGE);

    if (!pref["MemoryHog"].toBool()) {
        if (lastcpapday && (lastcpapday!=cpap)) {
            for (vector<Session *>::iterator s=lastcpapday->begin();s!=lastcpapday->end();s++) {
                (*s)->TrashEvents();
            }
        }
    }
    lastcpapday=cpap;
    QString html="<html><head><style type='text/css'>p,a,td,body { font-family: 'FreeSans', 'Sans Serif'; } p,a,td,body { font-size: 12px; } </style>"
    "</head>"
    "<body leftmargin=0 rightmargin=0 topmargin=0 marginwidth=0 marginheight=0>"
    "<table cellspacing=0 cellpadding=2 border=0 width='100%'>\n";
    QString tmp;
    const int gwwidth=240;
    const int gwheight=100;
    UpdateOXIGraphs(oxi);
    UpdateCPAPGraphs(cpap);
    UpdateEventsTree(ui->treeWidget,cpap);

    if (!cpap && !oxi) {
        gSplitter->setMinimumHeight(0);
        NoData->setText(tr("No data for ")+date.toString(Qt::SystemLocaleLongDate));
        NoData->show();
        for (unsigned i=0;i<Graphs.size();i++) {
            GraphAction[i]->setVisible(false);
            Graphs[i]->hide();
        }
        //spacer->hide();

    } else {
        NoData->hide();
        int vis=0;

        for (unsigned i=0;i<Graphs.size();i++) {
            if (Graphs[i]->isEmpty()) {
                GraphAction[i]->setVisible(false);
                Graphs[i]->hide();
            } else {
                Graphs[i]->ResetBounds();
                GraphAction[i]->setVisible(true);
                if (GraphAction[i]->isChecked()) {
                    Graphs[i]->show();
                    vis++;
                } else {
                    Graphs[i]->hide();
                }
            }
        }
        if (!cpap) {
            SF->hide();
        }
        //gSplitter->setMinimumHeight(0);
        gSplitter->setMinimumHeight(vis*default_height);
        //if (vis>4) {
        //gSplitter->setMaximumHeight(vis*default_height);
        //} //else {
       // }
        gSplitter->layout();

       // spacer->show();
    }

    gSplitter->update();
    RedrawGraphs();

    QString epr,modestr;
    float iap90,eap90;
    CPAPMode mode=MODE_UNKNOWN;
    PRTypes pr;
    QString a;
    if (cpap) {
        mode=(CPAPMode)cpap->summary_max(CPAP_Mode);
        pr=(PRTypes)cpap->summary_max(CPAP_PressureReliefType);
        if (pr==PR_NONE)
           epr=tr(" No Pressure Relief");
        else {
            epr=PressureReliefNames[pr]+QString(" x%1").arg((int)cpap->summary_max(CPAP_PressureReliefSetting));
        }
        modestr=CPAPModeNames[mode];

        float ahi=(cpap->count(CPAP_Obstructive)+cpap->count(CPAP_Hypopnea)+cpap->count(CPAP_ClearAirway)+cpap->count(CPAP_Apnea))/cpap->hours();
        float csr=(100.0/cpap->hours())*(cpap->sum(CPAP_CSR)/3600.0);
        float uai=cpap->count(CPAP_Apnea)/cpap->hours();
        float oai=cpap->count(CPAP_Obstructive)/cpap->hours();
        float hi=cpap->count(CPAP_Hypopnea)/cpap->hours();
        float cai=cpap->count(CPAP_ClearAirway)/cpap->hours();
        float rei=cpap->count(CPAP_RERA)/cpap->hours();
        float vsi=cpap->count(CPAP_VSnore)/cpap->hours();
        float fli=cpap->count(CPAP_FlowLimit)/cpap->hours();

        float p90=cpap->percentile(CPAP_Pressure,0.9);
        eap90=cpap->percentile(CPAP_EAP,0.9);
        iap90=cpap->percentile(CPAP_IAP,0.9);
        QString submodel=tr("Unknown Model");

        //html+="<tr><td colspan=4 align=center><i>"+tr("Machine Information")+"</i></td></tr>\n";
        if (cpap->machine->properties.find("SubModel")!=cpap->machine->properties.end())
            submodel=" <br>"+cpap->machine->properties["SubModel"];
        html+="<tr><td colspan=4 align=center><b>"+cpap->machine->properties["Brand"]+"</b> <br>"+cpap->machine->properties["Model"]+" "+cpap->machine->properties["ModelNumber"]+submodel+"</td></tr>\n";
        if (pref.Exists("ShowSerialNumbers") && pref["ShowSerialNumbers"].toBool()) {
            html+="<tr><td colspan=4 align=center>"+cpap->machine->properties["Serial"]+"</td></tr>\n";
        }

        html+="<tr><td align='center'><b>Date</b></td><td align='center'><b>"+tr("Sleep")+"</b></td><td align='center'><b>"+tr("Wake")+"</b></td><td align='center'><b>"+tr("Hours")+"</b></td></tr>";
        int tt=cpap->total_time()/1000;
        QDateTime date=QDateTime::fromMSecsSinceEpoch(cpap->first());
        QDateTime date2=QDateTime::fromMSecsSinceEpoch(cpap->last());

        html+=QString("<tr><td align='center'>%1</td><td align='center'>%2</td><td align='center'>%3</td><td align='center'>%4</td></tr>\n"
        "<tr><td colspan=4 align=center><hr></td></tr>\n")
                .arg(date.date().toString(Qt::SystemLocaleShortDate))
                .arg(date.toString("HH:mm"))
                .arg(date2.toString("HH:mm"))
                .arg(QString().sprintf("%02i:%02i",tt/3600,tt%60));

        QString cs;
        if (cpap->machine->GetClass()!="PRS1") {
            cs="4 align=center>";
        } else cs="2>";
        html+="<tr><td colspan="+cs+"<table cellspacing=0 cellpadding=2 border=0 width='100%'>"
        "<tr><td align='right' bgcolor='#F88017'><b><font color='black'>"+tr("AHI")+"</font></b></td><td  bgcolor='#F88017'><b><font color='black'>"+QString().sprintf("%.2f",ahi)+"</font></b></td></tr>\n"
        "<tr><td align='right' bgcolor='#4040ff'><b><font color='white'>"+tr("Hypopnea")+"</font></b></td><td bgcolor='#4040ff'><font color='white'>"+QString().sprintf("%.2f",hi)+"</font></td></tr>\n";
        if (cpap->machine->GetClass()=="ResMed") {
            html+="<tr><td align='right' bgcolor='#208020'><b>"+tr("Apnea")+"</b></td><td bgcolor='#208020'>"+QString().sprintf("%.2f",uai)+"</td></tr>\n";
        }
        html+="<tr><td align='right' bgcolor='#40afbf'><b>"+tr("Obstructive")+"</b></td><td bgcolor='#40afbf'>"+QString().sprintf("%.2f",oai)+"</td></tr>\n"
        "<tr><td align='right' bgcolor='#b254cd'><b>"+tr("Clear Airway")+"</b></td><td bgcolor='#b254cd'>"+QString().sprintf("%.2f",cai)+"</td></tr>\n"
        "</table></td>";

        if (cpap->machine->GetClass()=="PRS1") {
            html+="<td colspan=2><table cellspacing=0 cellpadding=2 border=0 width='100%'>"
            "<tr><td align='right' bgcolor='#ffff80'><b>"+tr("RERA")+"</b></td><td bgcolor='#ffff80'>"+QString().sprintf("%.2f",rei)+"</td></tr>\n"
            "<tr><td align='right' bgcolor='#404040'><b><font color='white'>"+tr("FlowLimit")+"</font></b></td><td bgcolor='#404040'><font color='white'>"+a.sprintf("%.2f",fli)+"</font></td></tr>\n"
            "<tr><td align='right' bgcolor='#ff4040'><b>"+tr("Vsnore")+"</b></td><td bgcolor='#ff4040'>"+QString().sprintf("%.2f",vsi)+"</td></tr>\n"
            "<tr><td align='right' bgcolor='#80ff80'><b>"+tr("PB/CSR")+"</b></td><td bgcolor='#80ff80'>"+QString().sprintf("%.2f",csr)+"%</td></tr>\n"
            "</table></td>";
        }

        html+="</tr>\n<tr><td colspan=4 align=center><i>"+tr("Event Breakdown")+"</i></td></tr>\n";
        if (1) {  // AHI Pie Chart
            G_AHI->setFixedSize(gwwidth,120);
            QPixmap pixmap=G_AHI->renderPixmap(gwwidth,120,false); //gwwidth,gwheight,false);
            QByteArray byteArray;
            QBuffer buffer(&byteArray); // use buffer to store pixmap into byteArray
            buffer.open(QIODevice::WriteOnly);
            pixmap.save(&buffer, "PNG");
            html += "<tr><td colspan=4 align=center><img src=\"data:image/png;base64," + byteArray.toBase64() + "\"></td></tr>\n";
        }
        html+="</table>"
        "<table cellspacing=0 cellpadding=0 border=0 width='100%'>\n"
        "<tr height='2'><td colspan=4 height='2'><hr></td></tr>\n";

        if (mode==MODE_BIPAP) {
            html+="<tr><td colspan=4 align='center'><i>"+tr("90%&nbsp;EPAP ")+QString().sprintf("%.2f",eap90)+tr("cmH2O")+"</td></tr>\n"
            "<tr><td colspan=4 align='center'><i>"+tr("90%&nbsp;IPAP ")+QString().sprintf("%.2f",iap90)+tr("cmH2O")+"</td></tr>\n";
        } else if (mode==MODE_APAP) {
            html+=("<tr><td colspan=4 align='center'><i>")+tr("90%&nbsp;Pressure ")+QString().sprintf("%.2f",p90)+("</i></td></tr>\n"); //cpap->summary_weighted_avg(CPAP_PressurePercentValue)
        } else if (mode==MODE_CPAP) {
            html+=("<tr><td colspan=4 align='center'><i>")+tr("Pressure ")+QString().sprintf("%.2f",cpap->summary_min(CPAP_PressureMin))+("</i></td></tr>\n");
        }
        //html+=("<tr><td colspan=4 align=center>&nbsp;</td></tr>\n");

        html+=("<tr><td> </td><td><b>Min</b></td><td><b>Avg</b></td><td><b>Max</b></td></tr>");

        if (mode==MODE_APAP) {
            html+="<tr><td align=left>"+tr("Pressure:")+"</td><td>"+a.sprintf("%.2f",cpap->summary_min(CPAP_PressureMinAchieved));
            html+=(" </td><td>")+a.sprintf("%.2f",cpap->summary_weighted_avg(CPAP_PressureAverage));
            html+=("</td><td>")+a.sprintf("%.2f",cpap->summary_max(CPAP_PressureMaxAchieved))+("</td></tr>");

            //  html+=wxT("<tr><td><b>")+_("90%&nbsp;Pressure")+wxT("</b></td><td>")+wxString::Format(wxT("%.1fcmH2O"),p90)+wxT("</td></tr>\n");
        } else if (mode==MODE_BIPAP) {
            html+=("<tr><td align=left>"+tr("EPAP:")+"</td><td>")+a.sprintf("%.2f",cpap->summary_min(BIPAP_EAPMin));
            html+=(" </td><td>")+a.sprintf("%.2f",cpap->summary_weighted_avg(BIPAP_EAPAverage));
            html+=("</td><td>")+a.sprintf("%.2f",cpap->summary_max(BIPAP_EAPMax))+("</td></tr>");

            html+=("<tr><td align=left>"+tr("IPAP:")+"</td><td>")+a.sprintf("%.2f",cpap->summary_min(BIPAP_IAPMin));
            html+=("</td><td>")+a.sprintf("%.2f",cpap->summary_weighted_avg(BIPAP_IAPAverage));
            html+=("</td><td>")+a.sprintf("%.2f",cpap->summary_max(BIPAP_IAPMax))+("</td></tr>");

            html+=("<tr><td align=left>"+tr("PS:")+"</td><td>")+a.sprintf("%.2f",cpap->summary_min(BIPAP_PSMin));
            html+=("</td><td>")+a.sprintf("%.2f",cpap->summary_weighted_avg(BIPAP_PSAverage));
            html+=("</td><td>")+a.sprintf("%.2f",cpap->summary_max(BIPAP_PSMax))+("</td></tr>");

        }
        html+="<tr><td align=left>"+tr("Leak:");
        html+="</td><td>"+a.sprintf("%.2f",cpap->summary_min(CPAP_LeakMinimum));
        html+="</td><td>"+a.sprintf("%.2f",cpap->summary_weighted_avg(CPAP_LeakAverage));
        html+="</td><td>"+a.sprintf("%.2f",cpap->summary_max(CPAP_LeakMaximum))+("</td><tr>");

        html+="<tr><td align=left>"+tr("Snore:");
        html+="</td><td>"+a.sprintf("%.2f",cpap->summary_min(CPAP_SnoreMinimum));
        html+="</td><td>"+a.sprintf("%.2f",cpap->summary_avg(CPAP_SnoreAverage));
        html+="</td><td>"+a.sprintf("%.2f",cpap->summary_max(CPAP_SnoreMaximum))+("</td><tr>");


    } else {
        html+="<tr><td colspan=4 align=center><i>"+tr("No CPAP data available")+"</i></td></tr>";
        html+="<tr><td colspan=4>&nbsp;</td></tr>\n";

    }
    // Instead of doing this, check whether any data exists..
    // and show based on this factor.


    bool merge_oxi_graphs=true;
    if (!merge_oxi_graphs) {
        //spo2->isEmpty() ? SPO2->hide() : SPO2->show();
        //pulse->isEmpty() ? PULSE->hide() : PULSE->show();
    } else {
        //pulse->isEmpty() && spo2->isEmpty() ? PULSE->hide() : PULSE->show();
    }

    if (oxi) {
        html+="<tr><td>"+tr("Pulse:");
        html+="</td><td>"+a.sprintf("%.2fbpm",oxi->summary_min(OXI_PulseMin));
        html+="</td><td>"+a.sprintf("%.2fbpm",oxi->summary_avg(OXI_PulseAverage));
        html+="</td><td>"+a.sprintf("%.2fbpm",oxi->summary_max(OXI_PulseMax))+"</td><tr>";

        html+="<tr><td>"+tr("SpO2:");
        html+="</td><td>"+a.sprintf("%.2f%%",oxi->summary_min(OXI_SPO2Min));
        html+="</td><td>"+a.sprintf("%.2f%%",oxi->summary_avg(OXI_SPO2Average));
        html+="</td><td>"+a.sprintf("%.2f%%",oxi->summary_max(OXI_SPO2Max))+"</td><tr>";

        //html+=wxT("<tr><td colspan=4>&nbsp;</td></tr>\n");

        //PULSE->show();
        //SPO2->show();
    } else {
        //PULSE->hide();
        //SPO2->hide();
    }

    if (cpap) {
        if (mode==MODE_BIPAP) {
            {
            html+=("<tr><td colspan=4 align=center><i>")+tr("Time@EPAP")+("</i></td></tr>\n");
            TAP_EAP->setFixedSize(gwwidth,30);
            QPixmap pixmap=TAP_EAP->renderPixmap(gwwidth,30,false);
            QByteArray byteArray;
            QBuffer buffer(&byteArray); // use buffer to store pixmap into byteArray
            buffer.open(QIODevice::WriteOnly);
            pixmap.save(&buffer, "PNG");
            html+="<tr><td colspan=4 align=center><img src=\"data:image/png;base64," + byteArray.toBase64() + "\"></td></tr>\n";
            }
            {
            html+=("<tr><td colspan=4 align=center><i>")+tr("Time@IPAP")+("</i></td></tr>\n");
            TAP_IAP->setFixedSize(gwwidth,30);
            QPixmap pixmap=TAP_IAP->renderPixmap(gwwidth,30,false);
            QByteArray byteArray;
            QBuffer buffer(&byteArray); // use buffer to store pixmap into byteArray
            buffer.open(QIODevice::WriteOnly);
            pixmap.save(&buffer, "PNG");
            html+="<tr><td colspan=4 align=center><img src=\"data:image/png;base64," + byteArray.toBase64() + "\"></td></tr>\n";
            }
        } else if (mode==MODE_APAP) {
            html+=("<tr><td colspan=4 align=center><i>")+tr("Time@Pressure")+("</i></td></tr>\n");

            TAP->setFixedSize(gwwidth,30);
            QPixmap pixmap=TAP->renderPixmap(gwwidth,30,false);
            QByteArray byteArray;
            QBuffer buffer(&byteArray); // use buffer to store pixmap into byteArray
            buffer.open(QIODevice::WriteOnly);
            pixmap.save(&buffer, "PNG");
            html+="<tr><td colspan=4 align=center><img src=\"data:image/png;base64," + byteArray.toBase64() + "\"></td></tr>\n";
        }
        html+="</table><hr height=2><table cellpadding=0 cellspacing=0 border=0 width=100%>";
        html+="<tr><td align=center>SessionID</td><td align=center>Date</td><td align=center>Start</td><td align=center>End</td></tr>";
        QDateTime fd,ld;
        bool corrupted_waveform=false;
        for (vector<Session *>::iterator s=cpap->begin();s!=cpap->end();s++) {
            fd=QDateTime::fromMSecsSinceEpoch((*s)->first());
            ld=QDateTime::fromMSecsSinceEpoch((*s)->last());
            if (((*s)->summary.find(CPAP_BrokenWaveform)!=(*s)->summary.end()) && (*s)->summary[CPAP_BrokenWaveform].toBool()) corrupted_waveform=true;
            tmp.sprintf(("<tr><td align=center>%08i</td><td align=center>"+fd.date().toString(Qt::SystemLocaleShortDate)+"</td><td align=center>"+fd.toString("HH:mm ")+"</td><td align=center>"+ld.toString("HH:mm")+"</td></tr>").toLatin1(),(*s)->session());
            html+=tmp;
        }
        html+="</table>";
        if (corrupted_waveform) {
            html+="<hr><div align=center><i>One or more waveform record for this session had faulty source data. Some waveform overlay points may not match up correctly.</i></div>";
        }
    }
    html+="</html>";

    ui->webView->setHtml(html);

    ui->JournalNotes->clear();
    Session *journal=GetJournalSession(date);
    if (journal) {
        ui->JournalNotes->setHtml(journal->summary[GEN_Notes].toString());
    }

}
void Daily::Unload(QDate date)
{
    Session *journal=GetJournalSession(date);
    if (!ui->JournalNotes->toPlainText().isEmpty()) {
        QString jhtml=ui->JournalNotes->toHtml();
        if (journal) {
            if (journal->summary[GEN_Notes]!=jhtml) {
                journal->summary[GEN_Notes]=jhtml;
                journal->SetChanged(true);
            }

        } else {
            journal=CreateJournalSession(date);
            journal->summary[GEN_Notes]=jhtml;
            journal->SetChanged(true);
        }

    }
    if (journal) {
        Machine *jm=profile->GetMachine(MT_JOURNAL);
        if (jm) jm->SaveSession(journal);
    }
    UpdateCalendarDay(date);
}

void Daily::on_JournalNotesItalic_clicked()
{
    QTextCursor cursor = ui->JournalNotes->textCursor();
    if (!cursor.hasSelection())
        cursor.select(QTextCursor::WordUnderCursor);

    QTextCharFormat format=cursor.charFormat();

    format.setFontItalic(!format.fontItalic());


    cursor.mergeCharFormat(format);
   //ui->JournalNotes->mergeCurrentCharFormat(format);

}

void Daily::on_JournalNotesBold_clicked()
{
    QTextCursor cursor = ui->JournalNotes->textCursor();
    if (!cursor.hasSelection())
        cursor.select(QTextCursor::WordUnderCursor);

    QTextCharFormat format=cursor.charFormat();

    int fw=format.fontWeight();
    if (fw!=QFont::Bold)
        format.setFontWeight(QFont::Bold);
    else
        format.setFontWeight(QFont::Normal);

    cursor.mergeCharFormat(format);
    //ui->JournalNotes->mergeCurrentCharFormat(format);

}

void Daily::on_JournalNotesFontsize_activated(int index)
{
    QTextCursor cursor = ui->JournalNotes->textCursor();
    if (!cursor.hasSelection())
        cursor.select(QTextCursor::WordUnderCursor);

    QTextCharFormat format=cursor.charFormat();

    QFont font=format.font();
    int fontsize=10;

    if (index==1) fontsize=15;
    else if (index==2) fontsize=25;

    font.setPointSize(fontsize);
    format.setFont(font);

    cursor.mergeCharFormat(format);
}

void Daily::on_JournalNotesColour_clicked()
{
    QColor col=QColorDialog::getColor(Qt::black,this,tr("Pick a Colour")); //,QColorDialog::NoButtons);
    if (!col.isValid()) return;

    QTextCursor cursor = ui->JournalNotes->textCursor();
    if (!cursor.hasSelection())
        cursor.select(QTextCursor::WordUnderCursor);

    QBrush b(col);
    QPalette newPalette = palette();
    newPalette.setColor(QPalette::ButtonText, col);
    ui->JournalNotesColour->setPalette(newPalette);

    QTextCharFormat format=cursor.charFormat();

    format.setForeground(b);

    cursor.setCharFormat(format);
}
Session * Daily::CreateJournalSession(QDate date)
{
    Machine *m=profile->GetMachine(MT_JOURNAL);
    if (!m) {
        m=new Machine(profile,0);
        m->SetClass("Journal");
        m->properties["Brand"]="Virtual";
        m->SetType(MT_JOURNAL);
        profile->AddMachine(m);
    }
    Session *sess=new Session(m,0);
    QDateTime dt;
    dt.setDate(date);
    dt.setTime(QTime(17,0)); //5pm to make sure it goes in the right day
    sess->set_first(dt.toMSecsSinceEpoch());
    dt=dt.addSecs(3600);
    sess->set_last(dt.toMSecsSinceEpoch());
    sess->SetChanged(true);
    m->AddSession(sess,profile);
    return sess;
}
Session * Daily::GetJournalSession(QDate date) // Get the first journal session
{
    Day *journal=profile->GetDay(date,MT_JOURNAL);
    if (!journal)
        return NULL; //CreateJournalSession(date);
    vector<Session *>::iterator s;
    s=journal->begin();
    if (s!=journal->end())
        return *s;
    return NULL;
}
void Daily::on_EnergySlider_sliderMoved(int position)
{
    Session *s=GetJournalSession(previous_date);
    if (!s)
        s=CreateJournalSession(previous_date);

    s->summary[GEN_Energy]=position;
    s->SetChanged(true);
}

void Daily::UpdateCPAPGraphs(Day *day)
{
    //if (!day) return;
    if (day) {
        day->OpenEvents();
    }
    for (list<gLayer *>::iterator g=CPAPData.begin();g!=CPAPData.end();g++) {
        (*g)->SetDay(day);
    }
};

void Daily::UpdateOXIGraphs(Day *day)
{
    //if (!day) return;

    if (day) {
        day->OpenEvents();
    }
    for (list<gLayer *>::iterator g=OXIData.begin();g!=OXIData.end();g++) {
        (*g)->SetDay(day);
    }
}

void Daily::RedrawGraphs()
{
    for (unsigned i=0;i<Graphs.size();i++) {
       Graphs[i]->updateGL();
    }
}

void Daily::on_treeWidget_itemSelectionChanged()
{
    if (ui->treeWidget->selectedItems().size()==0) return;
    QTreeWidgetItem *item=ui->treeWidget->selectedItems().at(0);
    if (!item) return;
    QDateTime d;
    if (!item->text(1).isEmpty()) {
        d=d.fromString(item->text(1),"yyyy-MM-dd HH:mm:ss");
        double st=(d.addSecs(-120)).toMSecsSinceEpoch();
        double et=(d.addSecs(120)).toMSecsSinceEpoch();
        FRW->SetXBounds(st,et);
        MP->SetXBounds(st,et);
        SF->SetXBounds(st,et);
        PRD->SetXBounds(st,et);
        LEAK->SetXBounds(st,et);
        SNORE->SetXBounds(st,et);
        MV->SetXBounds(st,et);
        TV->SetXBounds(st,et);
        RR->SetXBounds(st,et);
        FLG->SetXBounds(st,et);
    }
}

void Daily::on_JournalNotesUnderline_clicked()
{
    QTextCursor cursor = ui->JournalNotes->textCursor();
    if (!cursor.hasSelection())
        cursor.select(QTextCursor::WordUnderCursor);

    QTextCharFormat format=cursor.charFormat();

    format.setFontUnderline(!format.fontUnderline());

    cursor.mergeCharFormat(format);
   //ui->JournalNotes->mergeCurrentCharFormat(format);
}