<?php

namespace SilverStripe\ORM\Tests;

use SilverStripe\Dev\SapphireTest;
use SilverStripe\View\Parsers\URLSegmentFilter;

class URLSegmentFilterTest extends SapphireTest
{

    protected $usesDatabase = false;

    public function testReplacesCommonEnglishSymbols()
    {
        $f = new URLSegmentFilter();
        $f->setAllowMultibyte(false);
        $this->assertEquals(
            'john-and-spencer',
            $f->filter('John & Spencer')
        );
    }

    public function testReplacesWhitespace()
    {
        $f = new URLSegmentFilter();
        $f->setAllowMultibyte(false);
        $this->assertEquals(
            'john-and-spencer',
            $f->filter('John and Spencer')
        );
        $this->assertEquals(
            'john-and-spencer',
            $f->filter('John+and+Spencer')
        );
    }

    public function testTransliteratesNonAsciiUrls()
    {
        $f = new URLSegmentFilter();
        $f->setAllowMultibyte(false);
        $this->assertEquals(
            'broetchen',
            $f->filter('Brötchen')
        );
    }

    public function testReplacesCommonNonAsciiCharacters()
    {
        $f = new URLSegmentFilter();
        $this->assertEquals(
            urlencode('aa1-a'),
            $f->filter('Aa1~!@#$%^*()_`-=;\':"[]\{}|,./<>?a')
        );
    }

    public function testRetainsNonAsciiUrlsWithAllowMultiByteOption()
    {
        $f = new URLSegmentFilter();
        $f->setAllowMultibyte(true);
        $this->assertEquals(
            urlencode('brötchen'),
            $f->filter('Brötchen')
        );
    }

    public function testReplacesForwardSlashesWithAllowMultiByteOption()
    {
        $f = new URLSegmentFilter();
        $f->setAllowMultibyte(true);
        $this->assertEquals(
            urlencode('this-that'),
            $f->filter('this/that')
        );
    }

    public function testReplacements()
    {
        $f = new URLSegmentFilter();
        $this->assertEquals(
            'tim-and-struppi',
            $f->filter('Tim&Struppi')
        );

        // Customize replacements
        $rs = $f->getReplacements();
        $rs['/&/u'] = '-und-';
        $f->setReplacements($rs);
        $this->assertEquals(
            'tim-und-struppi',
            $f->filter('Tim&Struppi')
        );
    }

    public function testReplacesDots()
    {
        $filter = new URLSegmentFilter();
        $this->assertEquals('url-contains-dot', $filter->filter('url-contains.dot'));
    }

    public function testRemoveLeadingDashes()
    {
        $filter = new URLSegmentFilter();
        $this->assertEquals('url-has-leading-dashes', $filter->filter('---url-has-leading-dashes'));
    }

    public function testReplacesTrailingDashes()
    {
        $filter = new URLSegmentFilter();
        $this->assertEquals('url-has-trailing-dashes', $filter->filter('url-has-trailing-dashes--'));
    }

    public function testRemovesBadCharactersWithMultibyteAllowed()
    {
        $filter = new URLSegmentFilter();
        $filter->setAllowMultibyte(true);
        $this->assertEquals('url-with-some-bad-characters', $filter->filter('url?-with/-some:-bad#-characters='));
    }
}