<?php

namespace App\File\Handler;

use Exception;

/**
 * File handler
 */
class Handler
{
    protected $filename;
    protected $file;
    protected $array;

    /**
     * Check file can be read
     * Read and parse file into array
     *
     * @author Phil Burton <phil@pgburton.com>
     * @param string $filename [description]
     */
    public function __construct(string $filename)
    {
        $this->filename = $filename;
        if (!is_readable($filename)) {
            throw new Exception('Cannot read from file: ' . $filename);
        }
        $this->load;
    }

    /**
     * Load the file
     *
     * @author Phil Burton <phil@pgburton.com>
     */
    public function load()
    {
        $this->file = file_get_contents($this->filename);
    }

    /**
     * Parse file and return array
     *
     * @author Phil Burton <phil@pgburton.com>
     * @return array
     */
    public function getVendorArray(): array
    {
        if (!$this->array) {
            $this->array = [];
        }

        return $this->array;
    }
}