<?php

namespace Search\Utils;

use Chill\MainBundle\Search\Utils\ExtractDateFromPattern;
use PHPUnit\Framework\TestCase;

class ExtractDateFromPatternTest extends TestCase
{

    /**
     * @dataProvider provideSubjects
     */
    public function testExtractDate(string $subject, string $filtered, int $count, ...$datesSearched)
    {
        $extractor = new ExtractDateFromPattern();
        $result = $extractor->extractDates($subject);

        $this->assertCount($count, $result->getFound());
        $this->assertEquals($filtered, $result->getFilteredSubject());
        $this->assertContainsOnlyInstancesOf(\DateTimeImmutable::class, $result->getFound());

        $dates = \array_map(
            function (\DateTimeImmutable $d) {
                return $d->format('Y-m-d');
            }, $result->getFound()
        );

        foreach ($datesSearched as $date) {
            $this->assertContains($date, $dates);
        }
    }

    public function provideSubjects()
    {
        yield ["15/06/1981", "", 1, '1981-06-15'];
        yield ["15/06/1981 30/12/1987", "", 2, '1981-06-15', '1987-12-30'];
        yield ["diallo 15/06/1981", "diallo", 1, '1981-06-15'];
        yield ["diallo  31/03/1981", "diallo", 1, '1981-03-31'];
        yield ["diallo 15-06-1981", "diallo", 1, '1981-06-15'];
        yield ["diallo 1981-12-08", "diallo", 1, '1981-12-08'];
        yield ["diallo", "diallo", 0];
    }

}