<?php

declare(strict_types=1);

namespace App\Tests\Config;

use App\Config\SeasonTask;
use App\Config\SeasonTaskProvision;
use PHPUnit\Framework\TestCase;

/**
 * The enum is the single source of truth for the checklist, so what is pinned here is the
 * agreed entry list itself: adding or changing an entry is a decision the office makes, not
 * something that should slip in unnoticed.
 */
class SeasonTaskTest extends TestCase
{
    public function testEveryCaseResolvesALabelAndADistinctKey(): void
    {
        $keys = [];
        $labels = [];

        foreach (SeasonTask::cases() as $case) {
            $this->assertNotSame('', $case->label(), sprintf('%s has no label', $case->name));

            $keys[] = $case->value;
            $labels[] = $case->label();
        }

        $this->assertSame($keys, array_unique($keys));
        $this->assertSame($labels, array_unique($labels));
    }

    #[\PHPUnit\Framework\Attributes\DataProvider('entries')]
    public function testTheAgreedEntryList(
        SeasonTask $task,
        string $label,
        SeasonTaskProvision $provides,
        bool $requiresReturn,
    ): void {
        $this->assertSame($label, $task->label());
        $this->assertSame($provides, $task->provides());
        $this->assertSame($requiresReturn, $task->requiresReturn());
    }

    public static function entries(): iterable
    {
        yield [SeasonTask::MASTER_DATA, 'Stammdaten', SeasonTaskProvision::STANDARD, true];
        yield [SeasonTask::VEHICLE, 'KfZ', SeasonTaskProvision::STANDARD, true];
        yield [SeasonTask::CONTRACT, 'Vertrag', SeasonTaskProvision::INDIVIDUAL, true];
        yield [SeasonTask::ADDITIONAL_CONTRACT, 'Zusatzvertrag', SeasonTaskProvision::INDIVIDUAL, true];
        yield [SeasonTask::SAAS_REGISTERED, 'SaaS angemeldet', SeasonTaskProvision::NONE, false];
        yield [SeasonTask::MUNICIPALITY_REGISTERED, 'Gemeinde angemeldet', SeasonTaskProvision::NONE, false];
    }

    public function testAnEntryThatHandsNothingOutNeverExpectsSomethingBack(): void
    {
        // the two are independent properties, but "nothing out and something back" would be a
        // task the teamer is reminded about without ever being given anything to return
        foreach (SeasonTask::cases() as $case) {
            if (SeasonTaskProvision::NONE === $case->provides()) {
                $this->assertFalse($case->requiresReturn(), sprintf('%s expects a return', $case->name));
            }
        }
    }

    public function testRequiringReturnIsTheTeamerFacingSubsetInEnumOrder(): void
    {
        $this->assertSame(
            [
                SeasonTask::MASTER_DATA,
                SeasonTask::VEHICLE,
                SeasonTask::CONTRACT,
                SeasonTask::ADDITIONAL_CONTRACT,
            ],
            SeasonTask::requiringReturn()
        );
    }
}