<?php

namespace NoccyLabs\PulseAudio\Module;

use NoccyLabs\PulseAudio\Helper\Pacmd;
use IteratorAggregate;
use ArrayIterator;

class ModuleList implements IteratorAggregate
{
    protected $modules = [];

    public function __construct()
    {
        $modules = Pacmd::query("list-modules");
        foreach ($modules as $info) {
            $this->modules[] = new Module($info);
        }
    }

    public function getIterator()
    {
        return new ArrayIterator($this->modules);
    }

    /**
     * Load a module
     *
     * @param string $name
     * @param array $args
     */
    public function loadModule($name, array $args=[])
    {}
    
    /**
     * Unload a loaded module
     *
     * @return bool
     */
    public function unloadModule($name)
    {}

    /**
     *
     *
     * @return Module[]
     * @throws InvalidArgumentException
     */
    public function getModules($name)
    {
        $ret = [];
        foreach ($this->modules as $module) {
            if ($module->getName() == $name) {
                $ret[] = $module;
            }
        }
        return $ret;
    }

    public function hasModule($name)
    {

    }
}