<?php

namespace Gaufrette\Functional\Adapter;

use Gaufrette\Filesystem;
use Gaufrette\Adapter\Local;

class LocalTest extends FunctionalTestCase
{
    private $directory;

    protected function setUp(): void
    {
        $this->directory = sprintf('%s/filesystem', str_replace('\\', '/', __DIR__));

        if (!file_exists($this->directory)) {
            mkdir($this->directory);
        }

        $this->filesystem = new Filesystem(new Local($this->directory));
    }

    protected function tearDown(): void
    {
        $adapter = $this->filesystem->getAdapter();

        foreach ($this->filesystem->keys() as $key) {
            $adapter->delete($key);
        }

        $this->filesystem = null;

        rmdir($this->directory);
    }

    /**
     * @test
     * @group functional
     */
    public function shouldWorkWithSyslink(): void
    {
        if (strtolower(substr(PHP_OS, 0, 3)) === 'win') {
            $this->markTestSkipped('Symlinks are not supported on Windows.');
        }

        $dirname = sprintf(
            '%s/adapters/aaa',
            dirname(__DIR__)
        );
        $linkname = sprintf(
            '%s/adapters/../../../../link',
            dirname(__DIR__)
        );

        @mkdir($dirname);
        @unlink($linkname);
        symlink($dirname, $linkname);

        $fs = new Filesystem(new Local($linkname));
        $fs->write('test.txt', 'abc 123');

        $this->assertSame('abc 123', $fs->read('test.txt'));
        $fs->delete('test.txt');

        @unlink($linkname);
        @rmdir($dirname);
    }

    /**
     * @test
     * @covers Gaufrette\Adapter\Local
     * @group functional
     */
    public function shouldListingOnlyGivenDirectory(): void
    {
        $this->filesystem->write('aaa.txt', 'some content');
        $this->filesystem->write('localDir/test.txt', 'some content');

        $dirs = $this->filesystem->listKeys('localDir/test');
        $this->assertEmpty($dirs['dirs']);
        $this->assertCount(1, $dirs['keys']);
        $this->assertEquals('localDir/test.txt', $dirs['keys'][0]);

        $dirs = $this->filesystem->listKeys();

        $this->assertCount(1, $dirs['dirs']);
        $this->assertEquals('localDir', $dirs['dirs'][0]);
        $this->assertCount(2, $dirs['keys']);
        $this->assertEquals('aaa.txt', $dirs['keys'][0]);
        $this->assertEquals('localDir/test.txt', $dirs['keys'][1]);
    }

    /**
     * @test
     * @covers Gaufrette\Adapter\Local
     * @group functional
     */
    public function shouldListingAllKeys(): void
    {
        $this->filesystem->write('aaa.txt', 'some content');
        $this->filesystem->write('localDir/dir1/dir2/dir3/test.txt', 'some content');

        $keys = $this->filesystem->keys();
        $dirs = $this->filesystem->listKeys();

        $this->assertCount(6, $keys);
        $this->assertCount(4, $dirs['dirs']);
        $this->assertEquals('localDir/dir1/dir2/dir3/test.txt', $dirs['keys'][1]);
    }

    /**
     * @test
     * @group functional
     */
    public function shouldBeAbleToClearCache(): void
    {
        $this->filesystem->get('test.txt', true);
        $this->filesystem->write('test.txt', '123', true);

        $this->filesystem->get('test2.txt', true);
        $this->filesystem->write('test2.txt', '123', true);

        $fsReflection = new \ReflectionClass($this->filesystem);

        $fsIsFileInRegister = $fsReflection->getMethod('isFileInRegister');
        $fsIsFileInRegister->setAccessible(true);

        $this->assertTrue($fsIsFileInRegister->invoke($this->filesystem, 'test.txt'));
        $this->filesystem->removeFromRegister('test.txt');
        $this->assertFalse($fsIsFileInRegister->invoke($this->filesystem, 'test.txt'));

        $this->filesystem->clearFileRegister();
        $fsRegister = $fsReflection->getProperty('fileRegister');
        $fsRegister->setAccessible(true);
        $this->assertCount(0, $fsRegister->getValue($this->filesystem));
    }

    /**
     * @test
     * @group functional
     */
    public function shouldDeleteDirectory(): void
    {
        $path = $this->directory . DIRECTORY_SEPARATOR . 'delete-me.d';
        mkdir($path);

        $this->assertTrue(is_dir($path));

        $this->assertTrue($this->filesystem->getAdapter()->delete('delete-me.d'));

        $this->assertFalse(is_dir($path));
    }

    /**
     * @test
     * @group functional
     */
    public function shouldNotDeleteTheAdapterRootDirectory(): void
    {
        $this->expectException(\InvalidArgumentException::class);
        $this->expectExceptionMessage('Impossible to delete the root directory of this Local adapter');
        $this->filesystem->getAdapter()->delete('/');
    }
}