<?php

namespace Test\CpChart;

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

use const DIRECTION_VERTICAL;
use const DISPLAY_AUTO;
use const LEGEND_HORIZONTAL;
use const LEGEND_NOBORDER;
use const SCALE_POS_TOPBOTTOM;
use const TEXT_ALIGN_BOTTOMMIDDLE;
use const VOID;

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

    public function testChartRender()
    {
        $data = new Data();
        $data->addPoints([-4, 2, VOID, 12, 8, 3], 'Probe 1');
        $data->addPoints([3, 12, 15, 8, 5, -5], 'Probe 2');
        $data->addPoints([2, 7, 5, 18, 19, 22], 'Probe 3');
        $data->setSerieTicks('Probe 2', 4);
        $data->setAxisName(0, 'Temperatures');
        $data->addPoints(['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun'], 'Labels');
        $data->setSerieDescription('Labels', 'Months');
        $data->setAbscissa('Labels');
        $image = new Image(700, 230, $data);
        $settings = [
            'R' => 170, 'G' => 183, 'B' => 87, 'Dash' => 1, 'DashR' => 190,
            'DashG' => 203, 'DashB' => 107
        ];
        $image->drawFilledRectangle(0, 0, 700, 230, $settings);
        $settings = [
            'StartR' => 219, 'StartG' => 231, 'StartB' => 139, 'EndR' => 1,
            'EndG' => 138, 'EndB' => 68, 'Alpha' => 50
        ];
        $image->drawGradientArea(0, 0, 700, 230, DIRECTION_VERTICAL, $settings);
        $image->drawGradientArea(
            0,
            0,
            700,
            20,
            DIRECTION_VERTICAL,
            [
                'StartR' => 0, 'StartG' => 0, 'StartB' => 0, 'EndR' => 50, 'EndG' => 50,
                'EndB' => 50, 'Alpha' => 80
            ]
        );
        $image->drawRectangle(0, 0, 699, 229, ['R' => 0, 'G' => 0, 'B' => 0]);
        $image->setFontProperties(['FontName' => 'Silkscreen.ttf', 'FontSize' => 6]);
        $image->drawText(
            10,
            13,
            'drawFilledStepChart() - draw a filled step chart',
            ['R' => 255, 'G' => 255, 'B' => 255]
        );
        $image->setFontProperties(['FontName' => 'Forgotte.ttf', 'FontSize' => 11]);
        $image->drawText(
            250,
            55,
            'Average temperature',
            ['FontSize' => 20, 'Align' => TEXT_ALIGN_BOTTOMMIDDLE]
        );
        $image->setGraphArea(60, 60, 450, 190);
        $image->drawFilledRectangle(
            60,
            60,
            450,
            190,
            ['R' => 255, 'G' => 255, 'B' => 255, 'Surrounding' => -200, 'Alpha' => 10]
        );
        $image->drawScale(['DrawSubTicks' => true]);
        $image->setShadow(
            true,
            ['X' => 1, 'Y' => 1, 'R' => 0, 'G' => 0, 'B' => 0, 'Alpha' => 10]
        );
        $image->setFontProperties(['FontName' => 'pf_arma_five.ttf', 'FontSize' => 6]);
        $image->drawFilledStepChart([
            'ForceTransparency' => 40,
            'DisplayValues' => true,
            'DisplayColor' => DISPLAY_AUTO
        ]);
        $image->setShadow(false);
        $image->setGraphArea(500, 60, 670, 190);
        $image->drawFilledRectangle(
            500,
            60,
            670,
            190,
            ['R' => 255, 'G' => 255, 'B' => 255, 'Surrounding' => -200, 'Alpha' => 10]
        );
        $image->drawScale(['Pos' => SCALE_POS_TOPBOTTOM, 'DrawSubTicks' => true]);
        $image->setShadow(
            true,
            ['X' => -1, 'Y' => 1, 'R' => 0, 'G' => 0, 'B' => 0, 'Alpha' => 10]
        );
        $image->drawFilledStepChart(['ForceTransparency' => 40]);
        $image->setShadow(false);
        $image->drawLegend(510, 205, ['Style' => LEGEND_NOBORDER, 'Mode' => LEGEND_HORIZONTAL]);

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

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