/****************************************************************************
**
** This file is part of the KD Reports library.
**
** SPDX-FileCopyrightText: 2007-2022 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
**
** SPDX-License-Identifier: LGPL-2.1-only OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDAB-KDReports OR LicenseRef-KDAB-KDReports-US
**
** Licensees holding valid commercial KD Reports licenses may use this file in
** accordance with the KD Reports Commercial License Agreement provided with
** the Software.
**
** Contact info@kdab.com if any conditions of this licensing are not clear to you.
**
****************************************************************************/

#include <QApplication>

#include <KDReports>
#include <QDebug>

static const int numColumns = 8;
static const int numRows = 300;

static KDReports::TableElement largeTable()
{
    KDReports::TableElement tableElement;
    tableElement.setHeaderRowCount(1);
    tableElement.setHeaderColumnCount(1);
    tableElement.setPadding(3);
    QColor headerColor(218, 218, 218);
    // Horizontal header
    for (int i = 1; i < numColumns; ++i) {
        KDReports::Cell &headerCell = tableElement.cell(0, i);
        headerCell.setBackground(headerColor);
        headerCell.addElement(KDReports::TextElement(QString("Column %1").arg(i)));
    }

    // Vertical header
    for (int i = 1; i < numRows; ++i) {
        KDReports::Cell &headerCell = tableElement.cell(i, 0);
        headerCell.setBackground(headerColor);
        headerCell.addElement(KDReports::TextElement(QString("Row %1").arg(i)));
    }

    for (int column = 1; column < numColumns; ++column) {
        for (int row = 1; row < numRows; ++row) {
            const QString text = QString::number((column - 1) + numColumns * (row - 1) + 1);
            tableElement.cell(row, column).addElement(KDReports::TextElement(text));
        }
    }
    return tableElement;
}

int main(int argc, char **argv)
{
    QApplication app(argc, argv);

    KDReports::Report report;
    report.setDefaultFont(QFont("Arial", 8));

    report.setFirstPageNumber(100);

    KDReports::Header &header = report.header(KDReports::FirstPage);
    header.addElement(KDReports::TextElement("This is a test for generating one section of a larger report."));

    KDReports::Footer &footer = report.footer();
    footer.addElement(KDReports::TextElement("We are generating pages 100-109 out of 500."));
    footer.addElement(KDReports::TextElement("Page"), Qt::AlignRight);
    footer.addInlineElement(KDReports::TextElement(" "));
    footer.addVariable(KDReports::PageNumber);
    footer.addInlineElement(KDReports::TextElement(" / "));
    // As an example for combining reports together, we'll set the value of
    // the total page count later, when it's known.
    KDReports::TextElement pageCountElement;
    pageCountElement.setId(QLatin1String("id_page_count"));
    footer.addInlineElement(pageCountElement);

    QList<QTextOption::Tab> tabs;
    tabs.append(KDReports::Report::rightAlignedTab());
    report.setTabPositions(tabs);

    KDReports::TextElement tocElement("<Table of Contents will go here>");
    tocElement.setId(QLatin1String("id_toc"));
    report.addElement(tocElement);

    report.addVerticalSpacing(10);

    report.setTabPositions(QList<QTextOption::Tab>()); // for performance

    KDReports::TableElement largeTableElement = largeTable();
    report.addElement(largeTableElement);

    // Let's assume we know the total page count is 1000 now, let's set it.
    report.associateTextValue(QLatin1String("id_page_count"), QString::number(500));

    // Fill in the table of contents
    QStringList tocList;
    tocList << QStringLiteral("Chapter one\tpage 1");
    tocList << QStringLiteral("Chapter two\tpage 3");
    tocList << QStringLiteral("Last chapter\tpage 6");
    QString tocText = tocList.join(QStringLiteral("\n"));
    report.associateTextValue(QLatin1String("id_toc"), tocText);

    KDReports::PreviewDialog preview(&report);
    return preview.exec();

    // For performance testing...
    // report.exportToFile( "testout.pdf" );
    // return 0;
}