#include "ProductionSection.h"

#include <algorithm>

#include <QLabel>
#include <QVBoxLayout>

#include "Building.h"

ProductionSection::ProductionSection(QWidget* parent)
    : QWidget(parent)
{
    QVBoxLayout* layout = new QVBoxLayout(this);
    layout->setContentsMargins(0, 0, 0, 0);
    layout->setSpacing(0);

    m_label = new QLabel(this);
    layout->addWidget(m_label);
}

void ProductionSection::setProduction(bool runsProduction, const Building& building,
                                      double durationSeconds, Tick currentTick)
{
    // Nothing selected to produce means neither a cycle time nor a progress indicator
    // (REQ-UI-PRODUCTION-PROGRESS).
    if (!runsProduction)
    {
        hide();
        return;
    }

    QString text;
    if (durationSeconds > 0.0)
    {
        text = tr("Cycle: %1 s\n").arg(durationSeconds, 0, 'f', 1);
    }
    if (durationSeconds > 0.0 && building.production.has_value())
    {
        const Tick cycleTicks = secondsToTicks(durationSeconds);
        const Tick elapsed =
            currentTick - (building.production->completesAt - cycleTicks);
        const int percent = static_cast<int>(
            std::max(Tick(0), std::min(cycleTicks, elapsed)) * 100 / cycleTicks);
        text += tr("Progress: %1%").arg(percent);
    }
    else
    {
        text += tr("Progress: idle");
    }

    m_label->setText(text);
    show();
}