<?php

namespace danog\ClassFinder\Classmap;

use danog\ClassFinder\AppConfig;
use danog\ClassFinder\ClassFinder;

class ClassmapEntryFactory
{
    /** @var AppConfig */
    private $appConfig;

    public function __construct(AppConfig $appConfig)
    {
        $this->appConfig = $appConfig;
    }

    /**
     * @return ClassmapEntry[]
     */
    public function getClassmapEntries()
    {
        // Composer will compile user declared mappings to autoload_classmap.php. So no additional work is needed
        // to fetch user provided entries.
        $classmap = require($this->appConfig->getAppRoot().'vendor/composer/autoload_classmap.php');

        // if classmap has no entries return empty array
        if (\count($classmap) == 0) {
            return [];
        }

        $classmapKeys = \array_keys($classmap);
        return \array_map(function ($index) use ($classmapKeys) {
            return new ClassmapEntry($classmapKeys[$index]);
        }, \range(0, \count($classmap) - 1));
    }
}