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<?php

namespace Livewire\ComponentConcerns;

use Livewire\Event;
use Livewire\Livewire;

trait ReceivesEvents
{
    protected $eventQueue = [];
    protected $dispatchQueue = [];
    protected $listeners = [];

protected function getListeners() {
        return $this->listeners;
    }

public function emit($event, ...$params)
    {
        return $this->eventQueue[] = new Event($event, $params);
    }

public function emitUp($event, ...$params)
    {
        $this->emit($event, ...$params)->up();
    }

public function emitSelf($event, ...$params)
    {
        $this->emit($event, ...$params)->self();
    }

public function emitTo($name, $event, ...$params)
    {
        $this->emit($event, ...$params)->component($name);
    }

public function dispatchBrowserEvent($event, $data = null)
    {
        $this->dispatchQueue[] = [
            'event' => $event,
            'data' => $data,
        ];
    }

public function getEventQueue()
    {
        return collect($this->eventQueue)->map->serialize()->toArray();
    }

public function getDispatchQueue()
    {
        return $this->dispatchQueue;
    }

protected function getEventsAndHandlers()
    {
        return collect($this->getListeners())
            ->mapWithKeys(function ($value, $key) {
                $key = is_numeric($key) ? $value : $key;

return [$key => $value];
            })->toArray();
    }

public function getEventsBeingListenedFor()
    {
        return array_keys($this->getEventsAndHandlers());
    }

public function fireEvent($event, $params, $id)
    {
        $method = $this->getEventsAndHandlers()[$event];

$this->callMethod($method, $params, function ($returned) use ($event, $id) {
            Livewire::dispatch('action.returned', $this, $event, $returned, $id);
        });
    }
}