<?php 

namespace Model;

require_once "NewsImage.php";
require_once "NewsSource.php";
require_once "MetaData.php";

class NewsItem extends Model {
  public $id;
  public $title;
  public $author;
  public $content;
  public $published;
  public $edited; 
  public $keywords;

  public $source;
  public $category;
  public $theme;
  public $region;
  public $tags;
  
  public $podcast;
  public $images;
  public $video;
  public $type;
  public $url;
  public $metadata;

  public function __construct($data, $images = null, $podcast = null) {
    // Convert arrays to objects for consistent handling
    if(is_array($data)) {
      $data = (object) $data;
    }
    
    parent::__construct($data);
    
    // Ensure id is a string, not an array
    if(is_array($this->id)) {
      $this->id = $this->id[0] ?? '';
    }
    
    // Ensure title is a string, not an array
    if(is_array($this->title)) {
      $this->title = $this->title[0] ?? '';
    }
    
    parent::ConvertToDateTime($this->published);
    parent::ConvertToDateTime($this->edited);

    if($this->edited && ($this->edited->getTimestamp() - $this->published->getTimestamp() < 1800 /* == 30 minutes */)) {
      // If last edit was within grace period, consider it unedited (note: currently RES always saves edited == published on creation)
      $this->edited = null;
    }
    
    $this->source = null;
    if(isset($data->source))
    {
      if(is_object($data->source))
      {
         $this->source = new \Model\NewsSource($data->source->title ?? null, $data->source->url ?? null, $data->source->show ?? false);
      } else if($data->source) {
         $this->source = new \Model\NewsSource($data->source, $data->source_url ?? null, $data->showsource ?? false);
      }
    }

    if($podcast) {
        $this->podcast = new \Model\Podcast($podcast);
    } else if(isset($data->podcast) && $data->podcast) { 
        $this->podcast = new \Model\Podcast($data->podcast);
    }

    $this->keywords = null;
    if(isset($data->keywords)) {
      if(is_array($data->keywords) || is_object($data->keywords)) {
        $this->keywords = $data->keywords;
      } else if(trim((string) $data->keywords)) { 
        $this->keywords = explode(' ', $data->keywords);
      }
    }

    if(isset($data->region)) { 
      if(is_object($data->region)) { 
        $this->region = new \Model\NewsRegion($data->region->title ?? null, $data->region->slug ?? null);
      } else {
        $this->region = new \Model\NewsRegion($data->region, $data->region_slug ?? null);
      }
    }

    if(isset($data->theme)) { 
      if(is_object($data->theme)) { 
        $this->theme = new \Model\NewsRegion($data->theme->title ?? null, $data->theme->slug ?? null);
      } else {
        $this->theme = new \Model\NewsRegion($data->theme, $data->theme_slug ?? null);
      }
    }
  
    if(isset($data->tags)) {
      $this->tags = [];
      foreach($data->tags as $tag) {
        if(is_object($tag)) {
          $this->tags[] = new \Model\NewsRegion($tag->titel ?? null, $tag->slug ?? null);
        } elseif(is_array($tag)) {
          $this->tags[] = new \Model\NewsRegion($tag['titel'] ?? null, $tag['slug'] ?? null);
        }
      }
    }

    // Ensure content is iterable for views - convert string to empty array
    if(isset($this->content) && is_string($this->content)) {
      $this->content = [];
    } elseif(!isset($this->content)) {
      $this->content = [];
    }

    $images = ($images != null) ? $images
            : (isset($data->images) ? $data->images : null);
    if($images) {
        $this->images = [];
        foreach($images as $image) {
            $this->images[] = new NewsImage($image, '/img/news/');
        }
    }

    $this->url = "/nieuws/{$this->id}/" . parent::url_slug($this->title ?? '');
    $this->metadata = (new MetaData())
      ->set('title', $this->title)
      ->set('description', strip_tags($this->excerpt()))
      ->set('image', isset($this->images) && count($this->images) ? $this->images[0]->url : null )
      ->set('video', isset($this->video) ? $this->video : null)
      ->set('audio', isset($this->podcast) ? $this->podcast->url : null)
      ->set('article:published_time', $this->published->format('r'))
      ->set('article:modified_time', $this->edited ? $this->edited->format('r') : null)
      ;
  }

  public function excerpt() {
    // Handle case where content might be an array of blocks instead of a string
    if(is_array($this->content) || is_object($this->content)) {
      return '<p class="news-excerpt"></p>';
    }
    
    $hasImages = isset($this->images) && count($this->images) > 0;
    $maxLength = $hasImages ? 200 : 500;
    $text = (string) $this->content;
    return '<p class="news-excerpt ' . ($hasImages ? 'short' : 'long') . '">' . 
      substr($text, 0, $maxLength) . 
      (strlen($text) > $maxLength ? '...' : '') . 
      '</p>'; 
  }
}