<?php

namespace bff\base;

use bff;
use Closure;

abstract class Event
{
    /**
     * Application context
     * @var string
     */
    public $context;

    /**
     * Set application context.
     * @param string $context
     */
    public function setContext(string $context)
    {
        $this->context = $context;
    }

    /**
     * Dispatch the event with the given arguments.
     * @return array|null
     */
    public static function dispatch()
    {
        $event = new static(...func_get_args());
        $event->setContext(bff::context());

        return bff('events')->dispatch($event);
    }

    /**
     * Dispatch the event with the given arguments if the given truth test passes.
     * @param bool $boolean
     * @param mixed ...$arguments
     * @return mixed|void
     */
    public static function dispatchIf($boolean, ...$arguments)
    {
        if ($boolean instanceof Closure) {
            $boolean = $boolean();
        }
        if ($boolean) {
            return static::dispatch(...$arguments);
        }
    }
}