<?php

use Mni\FrontYAML\Parser;

class Book
{
  public $files = [];

  public function __construct($folder)
  {
    $this->read($folder);
  }
  public function read($folder)
  {
    $folders = glob("$folder/*", GLOB_ONLYDIR);
    foreach ($folders as $folder) {
      //$this->files[] = $folder . "/";
      $this->read($folder);
    }
    $files = array_filter(glob("$folder/*md"), "is_file");
    foreach ($files as $file) {
      $this->files[] = $file;
    }
  }
  public function getContents()
  {
    $parser = new Parser();
    $contents = [];
    foreach ($this->files as $file) {
      $doc = $parser->parse(file_get_contents($file), false);
      $meta = $doc->getYAML();
      $page = [
        "id" => $meta["id"],
        "uuid" => $meta["uuid"],
        "title" => $meta["title"],
        "feature" => $meta["feature"],
        "path" => $meta["path"],
        "layout" => $meta["layout"],
        "tags" => $meta["tags"],
        "author" => $meta["author"],
        "created" => $meta["created"],
        "deleted" => $meta["deleted"],
        "menu" => $meta["menu"],
        "featured" => $meta["featured"],
        "published" => $meta["published"],
        "slug" => $meta["slug"],
        "filePath" => $file,
        "content" => $doc->getContent(),
      ];

      //checks for duplicates
      $uuid = $meta["uuid"];
      $found = current(
        array_filter($contents, function ($item) use ($uuid) {
          return isset($item["uuid"]) && $uuid == $item["uuid"];
        })
      );

      // if uuid is not present, add it
      if (!$found) {
        array_push($contents, $page);
      }
    }

    return $contents;
  }
}