#include "SingleTargetResultWidget.h"

#include <QAbstractItemView>
#include <QGridLayout>
#include <QHBoxLayout>
#include <QLabel>
#include <QListView>
#include <QListWidget>
#include <QSizePolicy>
#include <QVBoxLayout>

namespace {

QLabel* MakeTextLabel(const QString& objectName, QWidget* parent)
{
    QLabel* label = new QLabel(parent);
    label->setObjectName(objectName);
    label->setTextFormat(Qt::PlainText);
    label->setWordWrap(false);
    return label;
}

} // namespace

SingleTargetResultWidget::SingleTargetResultWidget(QWidget* parent)
    : QWidget(parent)
{
    setObjectName(QStringLiteral("singleTargetResultWidget"));
    setMinimumSize(360, 360);
    setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);

    m_titleLabel = MakeTextLabel(QStringLiteral("singleTargetTitle"), this);
    m_statusLabel = MakeTextLabel(QStringLiteral("singleTargetStatus"), this);
    m_statusLabel->setAlignment(Qt::AlignCenter);

    auto* headerLayout = new QHBoxLayout();
    headerLayout->setContentsMargins(0, 0, 0, 0);
    headerLayout->setSpacing(8);
    headerLayout->addWidget(m_titleLabel, 1);
    headerLayout->addWidget(m_statusLabel, 0);

    m_emptyLabel = MakeTextLabel(QStringLiteral("singleTargetEmpty"), this);
    m_emptyLabel->setAlignment(Qt::AlignCenter);
    m_emptyLabel->setVisible(false);

    m_fieldLayout = new QGridLayout();
    m_fieldLayout->setContentsMargins(0, 0, 0, 0);
    m_fieldLayout->setHorizontalSpacing(16);
    m_fieldLayout->setVerticalSpacing(10);
    m_fieldLayout->setColumnStretch(0, 0);
    m_fieldLayout->setColumnStretch(1, 1);

    auto* mainLayout = new QVBoxLayout(this);
    mainLayout->setContentsMargins(14, 12, 14, 12);
    mainLayout->setSpacing(10);
    mainLayout->addLayout(headerLayout);
    mainLayout->addWidget(m_emptyLabel, 1);
    mainLayout->addLayout(m_fieldLayout);

    setStyleSheet(
        "#singleTargetResultWidget {"
        "  background-color: rgb(31, 36, 45);"
        "  border: 1px solid rgb(68, 78, 92);"
        "  border-radius: 6px;"
        "}"
        "#singleTargetTitle {"
        "  color: rgb(245, 247, 250);"
        "  font-size: 22px;"
        "  font-weight: 600;"
        "}"
        "#singleTargetStatus {"
        "  color: rgb(255, 255, 255);"
        "  font-size: 18px;"
        "  font-weight: 600;"
        "  padding: 4px 12px;"
        "  border-radius: 4px;"
        "}"
        "#singleTargetEmpty {"
        "  color: rgb(172, 181, 194);"
        "  font-size: 22px;"
        "}"
        "#singleTargetFieldName {"
        "  color: rgb(153, 164, 178);"
        "  font-size: 18px;"
        "}"
        "#singleTargetFieldValue {"
        "  color: rgb(239, 242, 246);"
        "  font-size: 20px;"
        "  font-weight: 500;"
        "}");

    setTitle(QStringLiteral("目标结果"));
    setStatus(QStringLiteral("未知"), false);
}

void SingleTargetResultWidget::setTitle(const QString& title)
{
    m_titleLabel->setText(title.trimmed().isEmpty() ? QStringLiteral("目标结果") : title.trimmed());
}

void SingleTargetResultWidget::setStatus(const QString& text, bool warning)
{
    Q_UNUSED(warning);
    m_statusLabel->setText(text.trimmed().isEmpty() ? QStringLiteral("未知") : text.trimmed());
    m_statusLabel->setStyleSheet(QStringLiteral("background-color: rgb(73, 84, 99);"));
}

void SingleTargetResultWidget::setFields(const QList<QPair<QString, QString>>& fields)
{
    clearFieldRows();
    m_emptyLabel->setVisible(fields.isEmpty());

    for (int i = 0; i < fields.size(); ++i) {
        const int row = i;

        QLabel* name = MakeTextLabel(QStringLiteral("singleTargetFieldName"), this);
        name->setText(fields[i].first);
        QLabel* value = MakeTextLabel(QStringLiteral("singleTargetFieldValue"), this);
        value->setText(fields[i].second);
        value->setAlignment(Qt::AlignRight | Qt::AlignVCenter);

        m_fieldLayout->addWidget(name, row, 0);
        m_fieldLayout->addWidget(value, row, 1);
        m_fieldWidgets.push_back(name);
        m_fieldWidgets.push_back(value);
    }
}

void SingleTargetResultWidget::setEmptyText(const QString& text)
{
    m_emptyLabel->setText(text.trimmed().isEmpty() ? QStringLiteral("暂无结果") : text.trimmed());
    m_emptyLabel->setVisible(true);
    clearFieldRows();
}

void SingleTargetResultWidget::setupListWidget(QListWidget* listWidget, const QSize& itemSize)
{
    if (!listWidget) {
        return;
    }

    listWidget->setViewMode(QListView::IconMode);
    listWidget->setResizeMode(QListView::Adjust);
    listWidget->setMovement(QListView::Static);
    listWidget->setSelectionMode(QAbstractItemView::NoSelection);
    listWidget->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    listWidget->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
    listWidget->setFlow(QListView::LeftToRight);
    listWidget->setWrapping(false);
    listWidget->setSpacing(0);
    listWidget->setGridSize(itemSize);
}

void SingleTargetResultWidget::clearFieldRows()
{
    for (QWidget* widget : m_fieldWidgets) {
        m_fieldLayout->removeWidget(widget);
        delete widget;
    }
    m_fieldWidgets.clear();
}