<?php

declare(strict_types=1);

namespace PhpOffice\PhpSpreadsheetTests\Chart;

use PhpOffice\PhpSpreadsheet\Chart\Chart;
use PhpOffice\PhpSpreadsheet\Chart\DataSeries;
use PhpOffice\PhpSpreadsheet\Chart\DataSeriesValues;
use PhpOffice\PhpSpreadsheet\Chart\Legend as ChartLegend;
use PhpOffice\PhpSpreadsheet\Chart\PlotArea;
use PhpOffice\PhpSpreadsheet\Chart\Title;
use PhpOffice\PhpSpreadsheet\Reader\Xlsx as XlsxReader;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx as XlsxWriter;
use PhpOffice\PhpSpreadsheetTests\Functional\AbstractFunctional;

class Issue316Test extends AbstractFunctional
{
    public function readCharts(XlsxReader $reader): void
    {
        $reader->setIncludeCharts(true);
    }

    public function writeCharts(XlsxWriter $writer): void
    {
        $writer->setPreCalculateFormulas(true)
            ->setIncludeCharts(true);
    }

    public function testUnionFormula(): void
    {
        $spreadsheet = new Spreadsheet();
        $worksheet = $spreadsheet->getActiveSheet();
        $worksheet->fromArray([
            ['', 2010, 2011, 2012],
            ['Q1', 12, 15, 21],
            ['Q2', 56, 73, 86],
            ['Q3', 52, 61, 69],
            ['Q4', 30, 32, 0],
        ]);

        $dataSeriesLabels = [
            new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$B$1', null, 1), //    2010
            new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$C$1', null, 1), //    2011
            new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$D$1', null, 1), //    2012
        ];

        $xAxisTickValues = [
            new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$A$2:$A$5', null, 4), //    Q1 to Q4
        ];

        $dataSeriesValues = [
            new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, '(Worksheet!$B$2,Worksheet!$B$5)', null, 4), // cell union created problem on write
            new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, 'Worksheet!$C$2:$C$5', null, 4),
            new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, 'Worksheet!$D$2:$D$5', null, 4),
        ];

        //    Build the dataseries
        $series = new DataSeries(
            DataSeries::TYPE_BARCHART, // plotType
            DataSeries::GROUPING_CLUSTERED, // plotGrouping
            range(0, count($dataSeriesValues) - 1), // plotOrder
            $dataSeriesLabels, // plotLabel
            $xAxisTickValues, // plotCategory
            $dataSeriesValues        // plotValues
        );

        $plotArea = new PlotArea(null, [$series]);
        $legend = new ChartLegend(ChartLegend::POSITION_RIGHT, null, false);

        $title = new Title('Test Bar Chart');
        $yAxisLabel = new Title('Value ($k)');

        //    Create the chart
        $chart = new Chart(
            'chart1', // name
            $title, // title
            $legend, // legend
            $plotArea, // plotArea
            true, // plotVisibleOnly
            DataSeries::EMPTY_AS_GAP, // displayBlanksAs
            null, // xAxisLabel
            $yAxisLabel  // yAxisLabel
        );

        $chart->setTopLeftPosition('A7');
        $chart->setBottomRightPosition('H20');

        $worksheet->addChart($chart);

        $reloadedSpreadsheet = $this->writeAndReload(
            $spreadsheet,
            'Xlsx',
            $this->readCharts(...),
            $this->writeCharts(...)
        );
        $spreadsheet->disconnectWorksheets();

        $sheet = $reloadedSpreadsheet->getActiveSheet();
        $charts2 = $sheet->getChartCollection();
        self::assertCount(1, $charts2);
        $chart2 = $charts2[0];
        self::assertNotNull($chart2);
        self::assertSame(
            '(Worksheet!$B$2,Worksheet!$B$5)',
            $chart2->getPlotArea()
                ?->getPlotGroupByIndex(0)
                ->getPlotValues()[0]
                ->getDataSource()
        );

        $reloadedSpreadsheet->disconnectWorksheets();
    }
}