<?php

namespace App\Actions\Events;

use App\Models\Event;
use App\Models\User;
use Illuminate\Support\Str;

class CreateEventAction
{
    public function execute(array $data, User $user): Event
    {
        return \Illuminate\Support\Facades\DB::transaction(function () use ($data, $user) {
            $slug = $this->generateUniqueSlug($data['slug'] ?? Str::slug($data['name']));
            $data['slug'] = $slug;
            $data['user_id'] = $user->id;
            $event = new Event($data);
            $event->save();

            return $event;
        });
    }

    protected function generateUniqueSlug(string $base): string
    {
        $slug = Str::slug($base);
        $original = $slug;
        $count = 0;
        while (Event::where('slug', $slug)->exists()) {
            $count++;
            $slug = $original.'-'.$count;
        }

        return $slug;
    }
}