from sqlalchemy import create_engine, Column, String, Integer
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker
from news_scraper.models.article import Article

Base = declarative_base()

class Database:
    def __init__(self, db_url):
        self.engine = create_engine(db_url)
        self.Session = sessionmaker(bind=self.engine)
        self.create_tables()

    def create_tables(self):
        Base.metadata.create_all(self.engine)

    def save_article(self, article: Article):
        session = self.Session()
        db_article = Article(
            url=article.url,
            title=article.title,
            description=article.description,
            score=article.score,
            ticker=article.ticker,
        )
        session.add(db_article)
        session.commit()
        session.close()

    def close_connection(self):
        self.engine.dispose()