<?php

declare(strict_types=1);

namespace Tests\Unit\Domain\Models\ValueObjects;

use Domain\Models\ValueObjects\NutritionalValues;

describe('NutritionalValues', function () {

    function getNewNutritionalValues(array $overrides = []): NutritionalValues
    {
        return new NutritionalValues(...$overrides);
    }

    it('can instantiate', function () {
        // GIVEN
        $refWeightG = 100;
        $kj         = 500;

        // WHEN
        $vo = new NutritionalValues(refWeightG: $refWeightG, kj: $kj);

        // THEN
        expect($vo)->toBeInstanceOf(NutritionalValues::class);
    });

    it('throws exception if reference weight is negative', function () {
        // GIVEN
        $refWeightG = -10;

        // WHEN
        $action = fn () => getNewNutritionalValues(['refWeightG' => $refWeightG]);

        // THEN
        expect($action)->toThrow(\DomainException::class);
    });

    it('throws exception if energy (kj) is negative', function () {
        // GIVEN
        $kj = -1;

        // WHEN
        $action = fn () => getNewNutritionalValues(['kj' => $kj]);

        // THEN
        expect($action)->toThrow(\DomainException::class);
    });

    it('throws exception if fat is negative', function () {
        // GIVEN
        $fatG = -0.5;

        // WHEN
        $action = fn () => getNewNutritionalValues(['fatG' => $fatG]);

        // THEN
        expect($action)->toThrow(\DomainException::class);
    });

    it('throws exception if daily energy is negative', function () {
        // GIVEN
        $dailyEnergy = -5;

        // WHEN
        $action = fn () => getNewNutritionalValues(['dailyEnergy' => $dailyEnergy]);

        // THEN
        expect($action)->toThrow(\DomainException::class);
    });

    it('can convert to array', function () {
        // GIVEN
        $vo = new NutritionalValues(refWeightG: 100, kj: 500, proteinG: 10.5);

        // WHEN
        $array = $vo->toArray();

        // THEN
        expect($array)->toBeArray();
        expect($array['nv_ref_weight_g'])->toBe(100.0);
        expect($array['nv_kj'])->toBe(500.0);
        expect($array['nv_protein_g'])->toBe(10.5);
        expect($array['nv_fat_g'])->toBeNull();
    });
});