<?php

declare(strict_types=1);

namespace App\Policies;

use App\Enums\PageStatus;
use App\Models\Page;
use App\Models\User;
use Illuminate\Database\Eloquent\Model;

class PagePolicy extends ResourcePolicy
{
    protected function resource(): string
    {
        return 'pages';
    }

    /**
     * Authors may always edit their own drafts, even without the general
     * update permission. Once a page is published, changing it takes the
     * `pages.update` permission like anything else.
     *
     * @param  Page|Model  $model
     */
    public function update(User $user, Model $model): bool
    {
        if (parent::update($user, $model)) {
            return true;
        }

        return $model->author_id === $user->id && $model->status !== PageStatus::Published;
    }

    /**
     * Moving a page into or out of the published state is a separate
     * responsibility from editing its content.
     */
    public function publish(User $user, ?Page $page = null): bool
    {
        return $user->can('pages.publish');
    }
}