<?php

declare(strict_types=1);

namespace App\Support;

use App\Enums\PageStatus;
use App\Models\Page;
use App\Models\Project;
use App\Models\Service;
use Carbon\CarbonInterface;
use Illuminate\Database\Eloquent\Model;
use InvalidArgumentException;

/**
 * Putting a record on the site, or taking it off, whichever fields that means
 * for its kind: a page has a status, a project only a date, a service a flag
 * and a date.
 */
final class Publisher
{
    /**
     * Live now, or from `$at` when it is in the future. Whatever review it was
     * waiting for is answered either way: scheduling is the decision.
     */
    public static function publish(Model $record, ?CarbonInterface $at = null): void
    {
        $at ??= now();

        $record->forceFill(match (true) {
            $record instanceof Page => ['status' => PageStatus::Published, 'published_at' => $at],
            $record instanceof Project => ['published_at' => $at],
            $record instanceof Service => ['is_published' => true, 'published_at' => $at],
            default => throw new InvalidArgumentException($record::class.' is not published this way.'),
        })->save();

        // Publishing now closes the review by itself (HasReviews); a date in
        // the future does not, so it is closed here.
        if ($record->isAwaitingReview()) {
            $record->closeReview();
        }
    }

    public static function unpublish(Model $record): void
    {
        $record->forceFill(match (true) {
            $record instanceof Page => ['status' => PageStatus::Draft],
            $record instanceof Project => ['published_at' => null],
            $record instanceof Service => ['is_published' => false],
            default => throw new InvalidArgumentException($record::class.' is not published this way.'),
        })->save();
    }
}