#include "GamesPanel.h"

#include <QHBoxLayout>
#include <QLabel>
#include <QListWidget>
#include <QSplitter>
#include <QVBoxLayout>

GamesPanel::GamesPanel(QWidget *parent) : QWidget(parent)
{
    auto *layout   = new QHBoxLayout(this);
    layout->setContentsMargins(2, 2, 2, 2);

    auto *splitter = new QSplitter(Qt::Horizontal, this);

    m_gameList = new QListWidget(splitter);
    m_gameList->setMinimumWidth(180);
    m_gameList->setMaximumWidth(300);

    m_detailWidget = new QWidget(splitter);
    auto *detailLayout = new QVBoxLayout(m_detailWidget);
    detailLayout->setContentsMargins(8, 8, 8, 8);

    m_nameLabel = new QLabel(m_detailWidget);
    m_nameLabel->setStyleSheet("font-size: 14pt; font-weight: bold;");
    m_codeLabel = new QLabel(m_detailWidget);
    m_codeLabel->setStyleSheet("font-size: 11pt; color: gray;");
    m_hintLabel = new QLabel("Select a game to view details.", m_detailWidget);
    m_hintLabel->setAlignment(Qt::AlignTop);

    detailLayout->addWidget(m_nameLabel);
    detailLayout->addWidget(m_codeLabel);
    detailLayout->addWidget(m_hintLabel);
    detailLayout->addStretch(1);

    splitter->addWidget(m_gameList);
    splitter->addWidget(m_detailWidget);
    splitter->setStretchFactor(0, 0);
    splitter->setStretchFactor(1, 1);
    splitter->setSizes({200, 600});

    layout->addWidget(splitter);

    connect(m_gameList, &QListWidget::currentTextChanged,
            this, &GamesPanel::onGameSelected);
}

void GamesPanel::loadFromResponse(const QString &response)
{
    // Format: "GAM list LEADVision ARCHArchitect ..."
    // Each token: 4 uppercase letters = code, rest = name (_S = space)
    const QStringList tokens = response.split(' ', Qt::SkipEmptyParts);
    if (tokens.size() < 3 || tokens[0] != "GAM" || tokens[1] != "list") return;

    m_games.clear();
    m_gameList->clear();

    for (const QString &entry : tokens.mid(2)) {
        if (entry.isEmpty()) continue;

        int splitPos = 0;
        while (splitPos < entry.size() && entry[splitPos].isUpper())
            ++splitPos;

        const QString code = entry.left(qMin(splitPos, 4));
        QString name = entry.mid(code.size());
        name.replace("_S", " ");

        if (code.isEmpty() || name.isEmpty()) continue;
        m_games[name] = code;
        m_gameList->addItem(name);
    }
}

void GamesPanel::onGameSelected(const QString &name)
{
    if (name.isEmpty() || !m_games.contains(name)) {
        m_nameLabel->clear();
        m_codeLabel->clear();
        m_hintLabel->setText("Select a game to view details.");
        return;
    }
    m_nameLabel->setText(name);
    m_codeLabel->setText(QString("Code: %1").arg(m_games[name]));
    m_hintLabel->setText("Game selected. Future controls will appear here.");
}