<?php

declare(strict_types=1);

namespace App\Tests\Service;

use App\Entity\Groups\AccommodationPrice;
use App\Repository\Groups\AccommodationPriceRepository;
use App\Service\AccommodationPriceCoverage;
use PHPUnit\Framework\TestCase;

class AccommodationPriceCoverageTest extends TestCase
{
    public function testCoversOnlyDaysWithinPricePeriod(): void
    {
        $coverage = new AccommodationPriceCoverage($this->createMock(AccommodationPriceRepository::class));

        $covered = $coverage->coveredDatesFor(
            [$this->price('2026-06-01', '2026-06-09')],
            new \DateTimeImmutable('2026-06-01'),
            new \DateTimeImmutable('2026-06-12'),
        );

        // dateTo is the last night, so 2026-06-09 is still covered
        self::assertSame([
            '2026-06-01', '2026-06-02', '2026-06-03', '2026-06-04', '2026-06-05',
            '2026-06-06', '2026-06-07', '2026-06-08', '2026-06-09',
        ], array_keys($covered));
    }

    public function testGapBetweenPricePeriodsStaysUncovered(): void
    {
        $coverage = new AccommodationPriceCoverage($this->createMock(AccommodationPriceRepository::class));

        $covered = $coverage->coveredDatesFor(
            [$this->price('2026-06-01', '2026-06-02'), $this->price('2026-06-05', '2026-06-06')],
            new \DateTimeImmutable('2026-06-01'),
            new \DateTimeImmutable('2026-06-06'),
        );

        self::assertSame(
            ['2026-06-01', '2026-06-02', '2026-06-05', '2026-06-06'],
            array_keys($covered),
        );
    }

    public function testNoPricesMeansNoCoverage(): void
    {
        $coverage = new AccommodationPriceCoverage($this->createMock(AccommodationPriceRepository::class));

        $covered = $coverage->coveredDatesFor(
            [],
            new \DateTimeImmutable('2026-06-01'),
            new \DateTimeImmutable('2026-06-03'),
        );

        self::assertSame([], $covered);
    }

    private function price(string $from, string $to): AccommodationPrice
    {
        $price = new AccommodationPrice();
        $price->setDateFrom(new \DateTimeImmutable($from));
        $price->setDateTo(new \DateTimeImmutable($to));

        return $price;
    }
}