<?php

namespace FFMpeg\Tests\Coordinate;

use FFMpeg\Coordinate\Dimension;
use FFMpeg\Tests\TestCase;
use FFMpeg\Coordinate\AspectRatio;

class AspectRatioTest extends TestCase
{
    /**
     * @dataProvider provideDimensionsAndExpectedratio
     */
    public function testFromDimensions($width, $height, $strategy, $expected, $calculatedWidth, $calculatedHeight, $modulus = 2)
    {
        $ratio = AspectRatio::create(new Dimension($width, $height), $strategy);
        $this->assertEquals($expected, $ratio->getValue());

        $this->assertEquals($calculatedHeight, $ratio->calculateHeight(240, $modulus));
        $this->assertEquals($calculatedWidth, $ratio->calculateWidth(320, $modulus));
    }

    public function provideDimensionsAndExpectedratio()
    {
        return array(
            //AR_5_4
            array(720, 576, false, 5/4, 400, 192),
            array(720, 577, false, 5/4, 400, 192),
            array(720, 620, false, 720/620, 372, 206),
            array(720, 576, true, 5/4, 400, 192),
            //AR_ROTATED_4_5
            array(576, 720, false, 4/5, 256, 300),
            array(576, 720, true, 4/5, 256, 300),
            //AR_4_3
            array(320, 240, false, 4/3, 426, 180),
            array(320, 240, true, 4/3, 426, 180),
            //AR_ROTATED_3_4
            array(240, 320, false, 3/4, 240, 320),
            array(240, 320, true, 3/4, 240, 320),
            //AR_16_9
            array(1920, 1080, false, 16/9, 568, 136),
            array(1920, 1080, true, 16/9, 568, 136),
            array(1280, 720, false, 16/9, 568, 136),
            array(1280, 720, true, 16/9, 568, 136),
            array(3840, 2160, false, 16/9, 568, 136),
            array(3840, 2160, true, 16/9, 568, 136),
            // modulus 4
            array(1920, 1080, false, 16/9, 568, 136, 4),
            array(1920, 1080, true, 16/9, 568, 136, 4),
            array(1280, 720, false, 16/9, 568, 136, 4),
            array(1280, 720, true, 16/9, 568, 136, 4),
            array(3840, 2160, false, 16/9, 568, 136, 4),
            array(3840, 2160, true, 16/9, 568, 136, 4),
            // modulus 16
            array(1920, 1080, false, 16/9, 576, 128, 16),
            array(1920, 1080, true, 16/9, 576, 128, 16),
            array(1280, 720, false, 16/9, 576, 128, 16),
            array(1280, 720, true, 16/9, 576, 128, 16),
            array(3840, 2160, false, 16/9, 576, 128, 16),
            array(3840, 2160, true, 16/9, 576, 128, 16),
            //AR_ROTATED_9_16
            array(1080, 1920, false, 9/16, 180, 426),
            array(1080, 1920, true, 9/16, 180, 426),
            array(720, 1280, false, 9/16, 180, 426),
            array(720, 1280, true, 9/16, 180, 426),
            array(2160, 3840, false, 9/16, 180, 426),
            array(2160, 3840, true, 9/16, 180, 426),
            //AR_3_2
            array(360, 240, false, 3/2, 480, 160),
            array(360, 240, true, 3/2, 480, 160),
            //AR_ROTATED_2_3
            array(240, 360, false, 2/3, 214, 360),
            array(240, 360, true, 2/3, 214, 360),
            //AR_5_3
            //AR_ROTATED_3_5
            //AR_1_1
            //AR_1_DOT_85_1
            //AR_ROTATED_1_DOT_85
            //AR_2_DOT_39_1
            //AR_ROTATED_2_DOT_39
        );
    }
}