#include "routeanalysisdialog.h"
#include "ui_routeanalysisdialog.h"

RouteAnalysisDialog::RouteAnalysisDialog(QWidget *parent) :
    QDialog(parent),
    ui(new Ui::RouteAnalysisDialog)
{
    ui->setupUi(this);
    this->resize(900,500);
    this->setWindowTitle("航线分析");
    this->setWindowFlags(Qt::WindowCloseButtonHint);  //关闭右上角帮助(?)按钮。

    ui->FlightDistanceDSpinBox->setSuffix("km");
    ui->FlightSpeedDSpinBox->setSuffix("m/s");
    ui->FlightSpeedDSpinBox->setValue(20);


}

RouteAnalysisDialog::~RouteAnalysisDialog()
{
    delete ui;
    delete chart;
}

void RouteAnalysisDialog::SetRecordset(UGRecordsetPtr res)
{
    this->res = res;
}

void RouteAnalysisDialog::SetDem(UGDatasetRasterPtr dem)
{
    this->dem = dem;
}

void RouteAnalysisDialog::InitDialog()
{
    SetFlightDistance(GetFlightDistance());
    SetFlightTime();
    ShowElevationPlot();
}

double RouteAnalysisDialog::GetFlightDistance()
{
    UGGeometry* geometry = NULL;
    if(res==NULL) return -1;
    res->MoveFirst();
    res->GetGeometry(geometry);
    return geoComputation.getGeometryLength(geometry);
}

void RouteAnalysisDialog::SetFlightDistance(double dist)
{
    if(dist<1000)
    {
        ui->FlightDistanceDSpinBox->setSuffix("m");
        ui->FlightDistanceDSpinBox->setValue(dist);
    }
    else
    {
        ui->FlightDistanceDSpinBox->setSuffix("km");
        ui->FlightDistanceDSpinBox->setValue(dist/1000);
    }
}

double RouteAnalysisDialog::GetFlightHeight()
{
    UGVariant var;
    res->GetFieldValue(Translator::QStr2UGStr(routeGVar.routeFieldsName.RouteHeight),var);
    return var.ToDouble();
}

void RouteAnalysisDialog::SetFlightTime()
{
    double dist = GetFlightDistance();
    double speed = ui->FlightSpeedDSpinBox->value();
    if(dist<=0 || speed==0) return;
    int time = int(dist/speed);
    int ss = time%60;
    int min = time/60%60;
    int h = time/3600;
    QString strTime = QString::number(h) + "时" + QString::number(min) + "分" + QString::number(ss) + "秒";
                      ui->FlightTimeEdit->setText(strTime);
}

void RouteAnalysisDialog::ShowElevationPlot()
{
    UGGeometry* geometry = NULL;
    res->MoveFirst();
    res->GetGeometry(geometry);
    UGGeoLine* line = (UGGeoLine*)geometry;

    double alt[128];
    double h = GetFlightHeight();
    for (int i = 0; i < line->GetPointCount(); ++i)
    {
        alt[i] = h;
    }
    UGGeoLine3D line3D = geoFtOpt.transformToLine3D(*line,alt);

    QVector<double>x_dist,z_diff;
    geoComputation.getAlititudeDiff(line3D,dem,x_dist,z_diff);

    chart = new Chart(ui->ElevationPlot);
    chart->plotPolyline(x_dist,z_diff);
}

void RouteAnalysisDialog::on_FlightSpeedDSpinBox_textChanged(const QString &arg1)
{
    SetFlightTime();
}