import json

class WikiDBJson:
    def __init__(self, wiki_data_path):
        """Initialize the database with path to Wikipedia data"""
        self.wiki_data = self._load_wiki_data(wiki_data_path)
        
    def _load_wiki_data(self, path):
        """Load Wikipedia data from JSON file"""
        print(f"Loading wiki data from {path}...")
        with open(path, 'r', encoding='utf-8') as f:
            wiki_data = json.load(f)
        print(f"Loaded {len(wiki_data)} articles")
        return wiki_data
    
    def get_article_count(self):
        """Return the number of articles in the database"""
        return len(self.wiki_data)
        
    def get_all_article_titles(self):
        """Return a list of all article titles"""
        return list(self.wiki_data.keys())
        
    def get_article(self, title):
        """Get article data by title"""
        return self.wiki_data.get(title, {})
        
    def article_exists(self, title):
        """Check if an article exists in the database"""
        return title in self.wiki_data
        
    def get_article_text(self, title):
        """Get the text of an article"""
        article = self.get_article(title)
        return article.get('text', '')
        
    def get_article_links(self, title):
        """Get the links of an article"""
        article = self.get_article(title)
        return article.get('links', [])