<?php

namespace League\Glide\Manipulators;

use Mockery;

class SizeTest extends \PHPUnit_Framework_TestCase
{
    private $manipulator;
    private $callback;

    public function setUp()
    {
        $this->manipulator = new Size();
        $this->callback = Mockery::on(function () {
            return true;
        });
    }

    public function tearDown()
    {
        Mockery::close();
    }

    public function testCreateInstance()
    {
        $this->assertInstanceOf('League\Glide\Manipulators\Size', $this->manipulator);
    }

    public function testSetMaxImageSize()
    {
        $this->manipulator->setMaxImageSize(500 * 500);
        $this->assertSame(500 * 500, $this->manipulator->getMaxImageSize());
    }

    public function testGetMaxImageSize()
    {
        $this->assertNull($this->manipulator->getMaxImageSize());
    }

    public function testRun()
    {
        $image = Mockery::mock('Intervention\Image\Image', function ($mock) {
            $mock->shouldReceive('width')->andReturn('200')->twice();
            $mock->shouldReceive('height')->andReturn('200')->once();
            $mock->shouldReceive('resize')->with(100, 100, $this->callback)->andReturn($mock)->once();
        });

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->setParams(['w' => 100])->run($image)
        );
    }

    public function testGetWidth()
    {
        $this->assertSame(100, $this->manipulator->setParams(['w' => 100])->getWidth());
        $this->assertSame(100, $this->manipulator->setParams(['w' => 100.1])->getWidth());
        $this->assertSame(null, $this->manipulator->setParams(['w' => null])->getWidth());
        $this->assertSame(null, $this->manipulator->setParams(['w' => 'a'])->getWidth());
        $this->assertSame(null, $this->manipulator->setParams(['w' => '-100'])->getWidth());
    }

    public function testGetHeight()
    {
        $this->assertSame(100, $this->manipulator->setParams(['h' => 100])->getHeight());
        $this->assertSame(100, $this->manipulator->setParams(['h' => 100.1])->getHeight());
        $this->assertSame(null, $this->manipulator->setParams(['h' => null])->getHeight());
        $this->assertSame(null, $this->manipulator->setParams(['h' => 'a'])->getHeight());
        $this->assertSame(null, $this->manipulator->setParams(['h' => '-100'])->getHeight());
    }

    public function testGetFit()
    {
        $this->assertSame('contain', $this->manipulator->setParams(['fit' => 'contain'])->getFit());
        $this->assertSame('fill', $this->manipulator->setParams(['fit' => 'fill'])->getFit());
        $this->assertSame('max', $this->manipulator->setParams(['fit' => 'max'])->getFit());
        $this->assertSame('stretch', $this->manipulator->setParams(['fit' => 'stretch'])->getFit());
        $this->assertSame('crop', $this->manipulator->setParams(['fit' => 'crop'])->getFit());
        $this->assertSame('contain', $this->manipulator->setParams(['fit' => 'invalid'])->getFit());
    }

    public function testGetCrop()
    {
        $this->assertSame([0, 0, 1.0], $this->manipulator->setParams(['fit' => 'crop-top-left'])->getCrop());
        $this->assertSame([0, 100, 1.0], $this->manipulator->setParams(['fit' => 'crop-bottom-left'])->getCrop());
        $this->assertSame([0, 50, 1.0], $this->manipulator->setParams(['fit' => 'crop-left'])->getCrop());
        $this->assertSame([100, 0, 1.0], $this->manipulator->setParams(['fit' => 'crop-top-right'])->getCrop());
        $this->assertSame([100, 100, 1.0], $this->manipulator->setParams(['fit' => 'crop-bottom-right'])->getCrop());
        $this->assertSame([100, 50, 1.0], $this->manipulator->setParams(['fit' => 'crop-right'])->getCrop());
        $this->assertSame([50, 0, 1.0], $this->manipulator->setParams(['fit' => 'crop-top'])->getCrop());
        $this->assertSame([50, 100, 1.0], $this->manipulator->setParams(['fit' => 'crop-bottom'])->getCrop());
        $this->assertSame([50, 50, 1.0], $this->manipulator->setParams(['fit' => 'crop-center'])->getCrop());
        $this->assertSame([50, 50, 1.0], $this->manipulator->setParams(['fit' => 'crop'])->getCrop());
        $this->assertSame([50, 50, 1.0], $this->manipulator->setParams(['fit' => 'crop-center'])->getCrop());
        $this->assertSame([25, 75, 1.0], $this->manipulator->setParams(['fit' => 'crop-25-75'])->getCrop());
        $this->assertSame([0, 100, 1.0], $this->manipulator->setParams(['fit' => 'crop-0-100'])->getCrop());
        $this->assertSame([50, 50, 1.0], $this->manipulator->setParams(['fit' => 'crop-101-102'])->getCrop());
        $this->assertSame([25, 75, 1.0], $this->manipulator->setParams(['fit' => 'crop-25-75-1'])->getCrop());
        $this->assertSame([25, 75, 1.5], $this->manipulator->setParams(['fit' => 'crop-25-75-1.5'])->getCrop());
        $this->assertSame([25, 75, 1.555], $this->manipulator->setParams(['fit' => 'crop-25-75-1.555'])->getCrop());
        $this->assertSame([25, 75, 2.0], $this->manipulator->setParams(['fit' => 'crop-25-75-2'])->getCrop());
        $this->assertSame([25, 75, 100.0], $this->manipulator->setParams(['fit' => 'crop-25-75-100'])->getCrop());
        $this->assertSame([50, 50, 1.0], $this->manipulator->setParams(['fit' => 'crop-25-75-101'])->getCrop());
        $this->assertSame([50, 50, 1.0], $this->manipulator->setParams(['fit' => 'invalid'])->getCrop());
    }

    public function testGetDpr()
    {
        $this->assertSame(1.0, $this->manipulator->setParams(['dpr' => 'invalid'])->getDpr());
        $this->assertSame(1.0, $this->manipulator->setParams(['dpr' => '-1'])->getDpr());
        $this->assertSame(1.0, $this->manipulator->setParams(['dpr' => '9'])->getDpr());
        $this->assertSame(2.0, $this->manipulator->setParams(['dpr' => '2'])->getDpr());
    }

    public function testResolveMissingDimensions()
    {
        $image = Mockery::mock('Intervention\Image\Image', function ($mock) {
            $mock->shouldReceive('width')->andReturn(400);
            $mock->shouldReceive('height')->andReturn(200);
        });

        $this->assertSame([400, 200], $this->manipulator->resolveMissingDimensions($image, null, null));
        $this->assertSame([100, 50], $this->manipulator->resolveMissingDimensions($image, 100, null));
        $this->assertSame([200, 100], $this->manipulator->resolveMissingDimensions($image, null, 100));
    }

    public function testLimitImageSize()
    {
        $this->assertSame([1000, 1000], $this->manipulator->limitImageSize(1000, 1000));
        $this->manipulator->setMaxImageSize(500 * 500);
        $this->assertSame([500, 500], $this->manipulator->limitImageSize(500, 500));
        $this->assertSame([500, 500], $this->manipulator->limitImageSize(1000, 1000));
    }

    public function testRunResize()
    {
        $image = Mockery::mock('Intervention\Image\Image', function ($mock) {
            $mock->shouldReceive('width')->andReturn(100)->times(4);
            $mock->shouldReceive('height')->andReturn(100)->times(4);
            $mock->shouldReceive('crop')->andReturn($mock)->once();
            $mock->shouldReceive('resize')->with(100, 100, $this->callback)->andReturn($mock)->times(4);
            $mock->shouldReceive('resize')->with(100, 100)->andReturn($mock)->once();
            $mock->shouldReceive('resizeCanvas')->with(100, 100, 'center')->andReturn($mock)->once();
        });

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runResize($image, 'contain', 100, 100)
        );

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runResize($image, 'fill', 100, 100)
        );

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runResize($image, 'max', 100, 100)
        );

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runResize($image, 'stretch', 100, 100)
        );

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runResize($image, 'crop', 100, 100)
        );

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runResize($image, 'invalid', 100, 100)
        );
    }

    public function testRunContainResize()
    {
        $image = Mockery::mock('Intervention\Image\Image', function ($mock) {
            $mock->shouldReceive('resize')->with(100, 100, $this->callback)->andReturn($mock)->once();
        });

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runContainResize($image, 100, 100)
        );
    }

    public function testRunFillResize()
    {
        $image = Mockery::mock('Intervention\Image\Image', function ($mock) {
            $mock->shouldReceive('resize')->with(100, 100, $this->callback)->andReturn($mock)->once();
            $mock->shouldReceive('resizeCanvas')->with(100, 100, 'center')->andReturn($mock)->once();
        });

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runFillResize($image, 100, 100)
        );
    }

    public function testRunMaxResize()
    {
        $image = Mockery::mock('Intervention\Image\Image', function ($mock) {
            $mock->shouldReceive('resize')->with(100, 100, $this->callback)->andReturn($mock)->once();
        });

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runMaxResize($image, 100, 100)
        );
    }

    public function testRunStretchResize()
    {
        $image = Mockery::mock('Intervention\Image\Image', function ($mock) {
            $mock->shouldReceive('resize')->with(100, 100)->andReturn($mock)->once();
        });

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runStretchResize($image, 100, 100)
        );
    }

    public function testRunCropResize()
    {
        $image = Mockery::mock('Intervention\Image\Image', function ($mock) {
            $mock->shouldReceive('width')->andReturn(100)->times(4);
            $mock->shouldReceive('height')->andReturn(100)->times(4);
            $mock->shouldReceive('resize')->with(100, 100, $this->callback)->andReturn($mock)->once();
            $mock->shouldReceive('crop')->with(100, 100, 0, 0)->andReturn($mock)->once();
        });

        $this->assertInstanceOf(
            'Intervention\Image\Image',
            $this->manipulator->runCropResize($image, 100, 100, 'center')
        );
    }
}
