"""Add url column to content table for web link playlist items.

Web link items are stored as Content rows with content_type='weblink' and the
target web page URL in the new 'url' column (NULL for file-based content).

Run with:  python migrations/add_weblink_url_to_content.py
"""
import sys
sys.path.insert(0, '/app')

from app.app import create_app
from app.extensions import db
from sqlalchemy import text

app = create_app()

with app.app_context():
    print("Adding url column to content table...")

    try:
        inspector = db.inspect(db.engine)
        columns = [col['name'] for col in inspector.get_columns('content')]

        if 'url' not in columns:
            with db.engine.connect() as conn:
                conn.execute(text('ALTER TABLE content ADD COLUMN url VARCHAR(2048)'))
                conn.commit()
            print("\u2713 url column added to content table!")
        else:
            print("\u2713 url column already exists in content table.")

    except Exception as e:
        print(f"Error adding url column: {str(e)}")
        sys.exit(1)