#include "tagwidget.h"

TagWidget::TagWidget(QWidget *parent)
    : QWidget(parent)
{
    auto *outerLayout = new QVBoxLayout(this);
    outerLayout->setContentsMargins(4, 4, 4, 4);
    outerLayout->setSpacing(4);

    auto *headerLayout = new QHBoxLayout();
    auto *titleLabel = new QLabel(tr("<b>Tag Monitor</b>"), this);
    auto *clearBtn = new QPushButton(tr("Clear all"), this);
    clearBtn->setMaximumWidth(80);
    connect(clearBtn, &QPushButton::clicked, this, &TagWidget::clearAll);
    headerLayout->addWidget(titleLabel);
    headerLayout->addStretch();
    headerLayout->addWidget(clearBtn);
    outerLayout->addLayout(headerLayout);

    auto *scrollArea = new QScrollArea(this);
    scrollArea->setWidgetResizable(true);
    scrollArea->setHorizontalScrollBarPolicy(Qt::ScrollBarAsNeeded);
    auto *container = new QWidget(scrollArea);
    m_panelLayout = new QVBoxLayout(container);
    m_panelLayout->setContentsMargins(0, 0, 0, 0);
    m_panelLayout->setSpacing(6);
    m_panelLayout->addStretch();
    scrollArea->setWidget(container);
    outerLayout->addWidget(scrollArea, 1);
}

void TagWidget::handleTag(const QString &tag, const QString &value)
{
    if (!m_panels.contains(tag)) {
        auto *panel = new TagPanel(tag, this);
        m_panels.insert(tag, panel);
        m_panelLayout->insertWidget(m_panelLayout->count() - 1, panel);
    }
    m_panels[tag]->update(value);
}

void TagWidget::clearAll()
{
    for (auto *p : m_panels)
        p->deleteLater();
    m_panels.clear();
}

void TagWidget::removeTag(const QString &tag)
{
    if (auto *p = m_panels.take(tag)) {
        m_panelLayout->removeWidget(p);
        p->deleteLater();
    }
}