<?php

use App\Domain\Reports\Calculators\BedDaysCalculator;
use App\Domain\Reports\Models\StayInterval;

it('calculates total and average bed days', function () {
    $calculator = new BedDaysCalculator;

    $result = $calculator->calculate([
        new StayInterval(
            startAt: new DateTimeImmutable('2026-04-01 10:00:00'),
            endAt: new DateTimeImmutable('2026-04-04 09:00:00'),
        ),
        new StayInterval(
            startAt: new DateTimeImmutable('2026-04-05 10:00:00'),
            endAt: new DateTimeImmutable('2026-04-07 09:00:00'),
        ),
    ]);

    expect($result->total)->toBe(5)
        ->and($result->count)->toBe(2)
        ->and($result->average)->toBe(2.5);
});

it('ignores invalid bed day intervals', function () {
    $calculator = new BedDaysCalculator;

    $result = $calculator->calculate([
        new StayInterval(
            startAt: new DateTimeImmutable('2026-04-04 10:00:00'),
            endAt: new DateTimeImmutable('2026-04-01 09:00:00'),
        ),
    ]);

    expect($result->total)->toBe(0)
        ->and($result->count)->toBe(0)
        ->and($result->average)->toBe(0.0);
});