#include "ItemListWidget.hpp"
#include <QHeaderView>
#include <QVBoxLayout>

ItemListWidget::ItemListWidget(QWidget* parent, Qt::WindowFlags flags)
    : QDockWidget(parent, flags), filter(nullptr), model(nullptr) {
    setWindowTitle("Items");
    QVBoxLayout* layout = new QVBoxLayout();
    QWidget* intermediate = new QWidget();

    searchbox = new QLineEdit();
    searchbox->setPlaceholderText("Search");

    table = new QTableView();
    layout->addWidget(searchbox);
    layout->addWidget(table);
    table->setSelectionBehavior(QAbstractItemView::SelectRows);
    intermediate->setLayout(layout);
    setWidget(intermediate);

    filter = new QSortFilterProxyModel;
    table->setModel(filter);
    filter->setFilterKeyColumn(-1);  // Search all columns
    connect(table->selectionModel(),
            SIGNAL(currentChanged(QModelIndex, QModelIndex)),
            SLOT(selectedIndexChanged(QModelIndex)));
    connect(searchbox, SIGNAL(textChanged(QString)), SLOT(setFilter(QString)));
}

void ItemListWidget::worldLoaded(GameWorld* world) {
    if (model) delete model;
    model = new ItemListModel(world, this);
    filter->setSourceModel(model);
}

void ItemListWidget::selectedIndexChanged(const QModelIndex& current) {
    auto mts = filter->mapToSource(current);
    if (mts.isValid()) {
        emit selectedItemChanged(model->getIDOf(mts.row()));
    }
}

void ItemListWidget::setFilter(const QString& f) {
    filter->setFilterRegExp(QRegExp(f, Qt::CaseInsensitive));
}