<?php

namespace Test\CpChart;

use Codeception\Test\Unit;
use CpChart\Chart\Surface;
use CpChart\Image;
use Test\CpChart\UnitTester;

use const DIRECTION_VERTICAL;
use const LABEL_POSITION_BOTTOM;

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

    public function testSurfaceChartRender()
    {
        $image = new Image(400, 400);
        $settings = [
            'R' => 179, 'G' => 217, 'B' => 91, 'Dash' => 1, 'DashR' => 199,
            'DashG' => 237, 'DashB' => 111
        ];
        $image->drawFilledRectangle(0, 0, 400, 400, $settings);
        $settings = [
            'StartR' => 194, 'StartG' => 231, 'StartB' => 44, 'EndR' => 43,
            'EndG' => 107, 'EndB' => 58, 'Alpha' => 50
        ];
        $image->drawGradientArea(0, 0, 400, 400, DIRECTION_VERTICAL, $settings);
        $image->drawGradientArea(
            0,
            0,
            400,
            20,
            DIRECTION_VERTICAL,
            [
                'StartR' => 0, 'StartG' => 0, 'StartB' => 0, 'EndR' => 50, 'EndG' => 50,
                'EndB' => 50, 'Alpha' => 100
            ]
        );
        $image->drawRectangle(0, 0, 399, 399, ['R' => 0, 'G' => 0, 'B' => 0]);
        $image->setFontProperties(['FontName' => 'Silkscreen.ttf', 'FontSize' => 6]);
        $image->drawText(
            10,
            13,
            'pSurface() :: 2D surface charts',
            ['R' => 255, 'G' => 255, 'B' => 255]
        );
        $image->setGraphArea(20, 40, 380, 380);
        $image->drawFilledRectangle(
            20,
            40,
            380,
            380,
            ['R' => 255, 'G' => 255, 'B' => 255, 'Surrounding' => -200, 'Alpha' => 20]
        );
        $image->setShadow(true, ['X' => 1, 'Y' => 1]);
        $surfaceChart = new Surface($image);
        $surfaceChart->setGrid(20, 20);
        $image->setFontProperties(['FontName' => 'pf_arma_five.ttf', 'FontSize' => 6]);
        $surfaceChart->writeXLabels();
        $surfaceChart->writeYLabels();
        for ($i = 0; $i <= 50; $i++) {
            $surfaceChart->addPoint(rand(0, 20), rand(0, 20), rand(0, 100));
        }
        $surfaceChart->computeMissing();
        $surfaceChart->drawSurface(['Border' => true, 'Surrounding' => 40]);

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

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

    public function testContourChartRender()
    {
        $image = new Image(400, 400);
        $image->drawFilledRectangle(
            0,
            0,
            400,
            400,
            [
                'R' => 179,
                'G' => 217,
                'B' => 91,
                'Dash' => 1,
                'DashR' => 199,
                'DashG' => 237,
                'DashB' => 111
            ]
        );
        $image->drawGradientArea(
            0,
            0,
            400,
            400,
            DIRECTION_VERTICAL,
            [
                'StartR' => 194,
                'StartG' => 231,
                'StartB' => 44,
                'EndR' => 43,
                'EndG' => 107,
                'EndB' => 58,
                'Alpha' => 50
            ]
        );
        $image->drawGradientArea(
            0,
            0,
            400,
            20,
            DIRECTION_VERTICAL,
            [
                'StartR' => 0,
                'StartG' => 0,
                'StartB' => 0,
                'EndR' => 50,
                'EndG' => 50,
                'EndB' => 50,
                'Alpha' => 100
            ]
        );
        $image->drawRectangle(0, 0, 399, 399, ['R' => 0, 'G' => 0, 'B' => 0]);
        $image->setFontProperties(['FontName' => 'Silkscreen.ttf', 'FontSize' => 6]);
        $image->drawText(
            10,
            13,
            'pSurface() :: 2D surface charts',
            ['R' => 255, 'G' => 255, 'B' => 255]
        );
        $image->setGraphArea(20, 40, 380, 380);
        $image->drawFilledRectangle(
            20,
            40,
            380,
            380,
            [
                'R' => 255,
                'G' => 255,
                'B' => 255,
                'Surrounding' => -200,
                'Alpha' => 20
            ]
        );

        $image->setShadow(true, ['X' => 1, 'Y' => 1]);
        $surfaceChart = new Surface($image);
        $surfaceChart->setGrid(20, 20);
        $image->setFontProperties(['FontName' => 'pf_arma_five.ttf', 'FontSize' => 6]);
        $surfaceChart->writeXLabels(['Position' => LABEL_POSITION_BOTTOM]);
        $surfaceChart->writeYLabels();
        for ($i = 0; $i <= 50; $i++) {
            $surfaceChart->addPoint(rand(0, 20), rand(0, 20), rand(0, 100));
        }
        $surfaceChart->computeMissing();
        $surfaceChart->drawSurface(['Border' => true, 'Surrounding' => 40]);
        $surfaceChart->drawContour(50, ['R' => 0, 'G' => 0, 'B' => 0]);

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

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