<?php

namespace Test\CpChart;

use Codeception\Test\Unit;
use CpChart\Data;
use CpChart\Image;
use Test\CpChart\UnitTester;

use const BOUND_BOTH;
use const DIRECTION_VERTICAL;
use const LEGEND_NOBORDER;
use const TEXT_ALIGN_BOTTOMLEFT;
use const TEXT_ALIGN_MIDDLEMIDDLE;

class FilledSplineTest extends Unit
{
    /**
     * @var UnitTester
     */
    protected $tester;

    public function testChartRender()
    {
        $data = new Data();
        $data->setAxisName(0, 'Strength');
        for ($i = 0; $i <= 720; $i = $i + 20) {
            $data->addPoints(cos(deg2rad($i)) * 100, 'Probe 1');
            $data->addPoints(cos(deg2rad($i + 90)) * 60, 'Probe 2');
        }
        $image = new Image(847, 304, $data);
        $image->drawGradientArea(
            0,
            0,
            847,
            304,
            DIRECTION_VERTICAL,
            [
                'StartR' => 47, 'StartG' => 47, 'StartB' => 47, 'EndR' => 17, 'EndG' => 17,
                'EndB' => 17, 'Alpha' => 100
            ]
        );
        $image->drawGradientArea(
            0,
            250,
            847,
            304,
            DIRECTION_VERTICAL,
            [
                'StartR' => 47, 'StartG' => 47, 'StartB' => 47, 'EndR' => 27, 'EndG' => 27,
                'EndB' => 27, 'Alpha' => 100
            ]
        );
        $image->drawLine(0, 249, 847, 249, ['R' => 0, 'G' => 0, 'B' => 0]);
        $image->drawLine(0, 250, 847, 250, ['R' => 70, 'G' => 70, 'B' => 70]);
        $image->drawRectangle(0, 0, 846, 303, ['R' => 204, 'G' => 204, 'B' => 204]);
        $image->setFontProperties(['FontName' => 'pf_arma_five.ttf', 'FontSize' => 6]);
        $image->drawText(
            423,
            14,
            'Cyclic magnetic field strength',
            ['R' => 255, 'G' => 255, 'B' => 255, 'Align' => TEXT_ALIGN_MIDDLEMIDDLE]
        );
        $image->setGraphArea(58, 27, 816, 228);
        $image->drawFilledRectangle(
            58,
            27,
            816,
            228,
            [
                'R' => 0, 'G' => 0, 'B' => 0, 'Dash' => true, 'DashR' => 0, 'DashG' => 51,
                'DashB' => 51, 'BorderR' => 0, 'BorderG' => 0, 'BorderB' => 0
            ]
        );
        $image->setShadow(
            true,
            ['X' => 1, 'Y' => 1, 'R' => 0, 'G' => 0, 'B' => 0, 'Alpha' => 20]
        );
        $image->setFontProperties(['R' => 255, 'G' => 255, 'B' => 255]);
        $ScaleSettings = [
            'XMargin' => 4, 'DrawSubTicks' => true, 'GridR' => 255,
            'GridG' => 255, 'GridB' => 255, 'AxisR' => 255, 'AxisG' => 255, 'AxisB' => 255,
            'GridAlpha' => 30, 'CycleBackground' => true
        ];
        $image->drawScale($ScaleSettings);
        $image->drawFilledSplineChart();
        $BoundsSettings = [
            'MaxDisplayR' => 237, 'MaxDisplayG' => 23, 'MaxDisplayB' => 48,
            'MinDisplayR' => 23, 'MinDisplayG' => 144, 'MinDisplayB' => 237
        ];
        $image->writeBounds(BOUND_BOTH, $BoundsSettings);
        $image->drawThreshold(0, ['WriteCaption' => true]);
        $image->setFontProperties(['R' => 255, 'G' => 255, 'B' => 255]);
        $image->drawLegend(560, 266, ['Style' => LEGEND_NOBORDER]);
        $settings = ['R' => 188, 'G' => 224, 'B' => 46, 'Align' => TEXT_ALIGN_BOTTOMLEFT];
        $image->drawText(620, 270, 'Max : ' . ceil($data->getMax('Probe 1')), $settings);
        $image->drawText(680, 270, 'Min : ' . ceil($data->getMin('Probe 1')), $settings);
        $image->drawText(740, 270, 'Avg : ' . ceil($data->getSerieAverage('Probe 1')), $settings);
        $settings = ['R' => 224, 'G' => 100, 'B' => 46, 'Align' => TEXT_ALIGN_BOTTOMLEFT];
        $image->drawText(620, 283, 'Max : ' . ceil($data->getMax('Probe 2')), $settings);
        $image->drawText(680, 283, 'Min : ' . ceil($data->getMin('Probe 2')), $settings);
        $image->drawText(740, 283, 'Avg : ' . ceil($data->getSerieAverage('Probe 2')), $settings);

        $filename = $this->tester->getOutputPathForChart('drawFilledSplineChart.png');
        $image->render($filename);
        $image->stroke();

        $this->tester->seeFileFound($filename);
    }
}