<?php

namespace Configula\Loader;

use Configula\ConfigLoaderInterface;
use Configula\ConfigValues;
use InvalidArgumentException;
use SplFileInfo;

/**
 * Class CascadingLoader
 *
 * @package FandF\Config
 */
class CascadingConfigLoader implements ConfigLoaderInterface
{
    /** @var iterable|ConfigLoaderInterface[] */
    private $loaders;

    /**
     * Pass in an iterable list of multiple loaders, file names, or arrays of values
     *
     * @param  iterable|array[]|string[]|SplFileInfo[]|ConfigLoaderInterface[] $items
     * @return CascadingConfigLoader
     */
    public static function build(iterable $items): CascadingConfigLoader
    {
        foreach ($items as $item) {
            switch (true) {
                case $item instanceof ConfigLoaderInterface:
                    $loaders[] = $item;
                    break;
                case is_array($item):
                    $loaders[] = new ArrayValuesLoader($item);
                    break;
                case is_string($item) && file_exists($item):
                    $loaders[] = new FileLoader($item);
                    break;
                case $item instanceof SplFileInfo:
                    $loaders[] = ($item->isDir()) ? new FolderLoader($item) : new FileLoader((string) $item);
                    break;
                default:
                    throw new InvalidArgumentException(sprintf(
                        'Invalid config source (allowed: array, string (filepath), \SplFileInfo, or config loader): %s',
                        gettype($item)
                    ));
            }
        }

        return new static($loaders ?? []);
    }

    /**
     * CascadingLoader constructor.
     *
     * @param iterable|ConfigLoaderInterface[] $loaders Loaders, in the order that you want to load them
     */
    final public function __construct(iterable $loaders)
    {
        $this->loaders = $loaders;
    }

    /**
     * Load config
     *
     * @return ConfigValues
     */
    public function load(): ConfigValues
    {
        $config = new ConfigValues([]);

        foreach ($this->loaders as $loader) {
            $config = $config->merge($loader->load());
        }

        return $config;
    }
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----NzUyNzkwODkwNzAxNDc5NyA4Njc5Njg0MTI3NDcxNjYzIDQ5NTE3MDEyODIzMjY2Njg=