<?php

declare(strict_types=1);

/**
 * This file is part of the Carbon package.
 *
 * (c) Brian Nesbitt <brian@nesbot.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Tests\CarbonPeriod;

use Carbon\Carbon;
use Carbon\CarbonImmutable;
use Carbon\CarbonInterval;
use Carbon\CarbonPeriod;
use Generator;
use Tests\AbstractTestCase;

class ToStringTest extends AbstractTestCase
{
    /**
     * @dataProvider \Tests\CarbonPeriod\ToStringTest::dataForToString
     */
    public function testToString($period, $expected)
    {
        $this->assertSame(
            $expected,
            $period->toString()
        );
    }

    public static function dataForToString(): Generator
    {
        Carbon::setTestNowAndTimezone(new Carbon('2015-09-01', 'America/Toronto'));

        yield [
                CarbonPeriod::create('R4/2012-07-01T12:00:00/P7D'),
                '4 times every 1 week from 2012-07-01 12:00:00',
            ];
        yield [
                CarbonPeriod::create(
                    Carbon::parse('2015-09-30'),
                    Carbon::parse('2015-10-03')
                ),
                'Every 1 day from 2015-09-30 to 2015-10-03',
            ];
        yield [
                CarbonPeriod::create(
                    Carbon::parse('2015-09-30 12:50'),
                    CarbonInterval::days(3)->hours(5),
                    Carbon::parse('2015-10-03 19:00')
                ),
                'Every 3 days and 5 hours from 2015-09-30 12:50:00 to 2015-10-03 19:00:00',
            ];
        yield [
                CarbonPeriod::create('2015-09-30 17:30'),
                'Every 1 day from 2015-09-30 17:30:00',
            ];
        yield [
                CarbonPeriod::create('P1M14D'),
                'Every 1 month and 2 weeks from 2015-09-01',
            ];
        yield [
                CarbonPeriod::create('2015-09-30 13:30', 'P17D')->setRecurrences(1),
                'Once every 2 weeks and 3 days from 2015-09-30 13:30:00',
            ];
        yield [
                CarbonPeriod::create('2015-10-01', '2015-10-05', 'PT30M'),
                'Every 30 minutes from 2015-10-01 to 2015-10-05',
            ];

        Carbon::setTestNowAndTimezone();
    }

    public function testMagicToString()
    {
        $period = CarbonPeriod::create(
            Carbon::parse('2015-09-30 12:50'),
            CarbonInterval::days(3)->hours(5),
            Carbon::parse('2015-10-03 19:00')
        );

        $this->assertSame(
            'Every 3 days and 5 hours from 2015-09-30 12:50:00 to 2015-10-03 19:00:00',
            (string) $period
        );
    }

    /**
     * @dataProvider \Tests\CarbonPeriod\ToStringTest::dataForToIso8601String
     */
    public function testToIso8601String($period, $expected)
    {
        $this->assertSame(
            $expected,
            $period->toIso8601String()
        );
    }

    public static function dataForToIso8601String(): Generator
    {
        Carbon::setTestNowAndTimezone(new Carbon('2015-09-01', 'America/Toronto'));

        yield [
                CarbonPeriod::create('R4/2012-07-01T00:00:00-04:00/P7D'),
                'R4/2012-07-01T00:00:00-04:00/P7D',
            ];
        yield [
                CarbonPeriod::create(
                    Carbon::parse('2015-09-30', 'America/Toronto'),
                    Carbon::parse('2015-10-03', 'America/Toronto')
                ),
                '2015-09-30T00:00:00-04:00/P1D/2015-10-03T00:00:00-04:00',
            ];
        yield [
                CarbonPeriod::create(
                    Carbon::parse('2015-09-30 12:50', 'America/Toronto'),
                    CarbonInterval::days(3)->hours(5),
                    Carbon::parse('2015-10-03 19:00', 'America/Toronto')
                ),
                '2015-09-30T12:50:00-04:00/P3DT5H/2015-10-03T19:00:00-04:00',
            ];
        yield [
                CarbonPeriod::create(
                    Carbon::parse('2015-09-30 12:50', 'America/Toronto'),
                    CarbonInterval::days(3)
                ),
                '2015-09-30T12:50:00-04:00/P3D',
            ];
        yield [
                CarbonPeriod::create(),
                '2015-09-01T00:00:00-04:00/P1D',
            ];
    }

    public function testSpec()
    {
        $period = CarbonPeriod::create(
            Carbon::parse('2015-09-30'),
            CarbonInterval::days(3)->hours(5),
            Carbon::parse('2015-10-03')
        );

        $this->assertSame(
            '2015-09-30T00:00:00-04:00/P3DT5H/2015-10-03T00:00:00-04:00',
            $period->spec()
        );
    }

    public function testStartOfWeekForPeriod()
    {
        $sunday = CarbonImmutable::parse('2019-12-01');

        $period = CarbonPeriod::create($sunday->startOfWeek(), '1 week', $sunday->endOfWeek())->toArray();

        $formattedSunday = $sunday->startOfWeek()->format('Y-m-d H:i:s');

        $this->assertSame(
            '2019-11-25 00:00:00',
            $formattedSunday
        );

        $this->assertSame(
            $formattedSunday,
            $period[0]->toImmutable()->startOfWeek()->format('Y-m-d H:i:s')
        );
    }
}
