<?php

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\Spreadsheet;

require __DIR__ . '/../Header.php';
/** @var PhpOffice\PhpSpreadsheet\Helper\Sample $helper */
$spreadsheet = new Spreadsheet();
$worksheet = $spreadsheet->getActiveSheet();
$worksheet->fromArray(
    [
        ['', 'Rainfall (mm)', 'Temperature (°F)', 'Humidity (%)'],
        ['Jan', 78, 52, 61],
        ['Feb', 64, 54, 62],
        ['Mar', 62, 57, 63],
        ['Apr', 21, 62, 59],
        ['May', 11, 75, 60],
        ['Jun', 1, 75, 57],
        ['Jul', 1, 79, 56],
        ['Aug', 1, 79, 59],
        ['Sep', 10, 75, 60],
        ['Oct', 40, 68, 63],
        ['Nov', 69, 62, 64],
        ['Dec', 89, 57, 66],
    ]
);

// Set the Labels for each data series we want to plot
//     Datatype
//     Cell reference for data
//     Format Code
//     Number of datapoints in series
//     Data values
//     Data Marker
$dataSeriesLabels1 = [
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$B$1', null, 1), // Temperature
];
$dataSeriesLabels2 = [
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$C$1', null, 1), // Rainfall
];
$dataSeriesLabels3 = [
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$D$1', null, 1), // Humidity
];

// Set the X-Axis Labels
//     Datatype
//     Cell reference for data
//     Format Code
//     Number of datapoints in series
//     Data values
//     Data Marker
$xAxisTickValues = [
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_STRING, 'Worksheet!$A$2:$A$13', null, 12), // Jan to Dec
];

// Set the Data values for each data series we want to plot
//     Datatype
//     Cell reference for data
//     Format Code
//     Number of datapoints in series
//     Data values
//     Data Marker
$dataSeriesValues1 = [
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, 'Worksheet!$B$2:$B$13', null, 12),
];

// Build the dataseries
$series1 = new DataSeries(
    DataSeries::TYPE_BARCHART, // plotType
    DataSeries::GROUPING_CLUSTERED, // plotGrouping
    range(0, count($dataSeriesValues1) - 1), // plotOrder
    $dataSeriesLabels1, // plotLabel
    $xAxisTickValues, // plotCategory
    $dataSeriesValues1        // plotValues
);
// Set additional dataseries parameters
//     Make it a vertical column rather than a horizontal bar graph
$series1->setPlotDirection(DataSeries::DIRECTION_COL);

// Set the Data values for each data series we want to plot
//     Datatype
//     Cell reference for data
//     Format Code
//     Number of datapoints in series
//     Data values
//     Data Marker
$dataSeriesValues2 = [
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, 'Worksheet!$C$2:$C$13', null, 12),
];

// Build the dataseries
$series2 = new DataSeries(
    DataSeries::TYPE_LINECHART, // plotType
    DataSeries::GROUPING_STANDARD, // plotGrouping
    range(0, count($dataSeriesValues2) - 1), // plotOrder
    $dataSeriesLabels2, // plotLabel
    [], // plotCategory
    $dataSeriesValues2        // plotValues
);

// Set the Data values for each data series we want to plot
//     Datatype
//     Cell reference for data
//     Format Code
//     Number of datapoints in series
//     Data values
//     Data Marker
$dataSeriesValues3 = [
    new DataSeriesValues(DataSeriesValues::DATASERIES_TYPE_NUMBER, 'Worksheet!$D$2:$D$13', null, 12),
];

// Build the dataseries
$series3 = new DataSeries(
    DataSeries::TYPE_AREACHART, // plotType
    DataSeries::GROUPING_STANDARD, // plotGrouping
    range(0, count($dataSeriesValues2) - 1), // plotOrder
    $dataSeriesLabels3, // plotLabel
    [], // plotCategory
    $dataSeriesValues3        // plotValues
);

// Set the series in the plot area
$plotArea = new PlotArea(null, [$series1, $series2, $series3]);
// Set the chart legend
$legend = new ChartLegend(ChartLegend::POSITION_RIGHT, null, false);

$title = new Title('Average Weather Chart for Crete');

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

// Set the position where the chart should appear in the worksheet
$chart->setTopLeftPosition('F2');
$chart->setBottomRightPosition('O16');

// Add the chart to the worksheet
$worksheet->addChart($chart);

$helper->renderChart($chart, __FILE__);

// Save Excel 2007 file
$helper->write($spreadsheet, __FILE__, ['Xlsx'], true);
