"""Database module initialization"""

from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
import logging

db = SQLAlchemy()
migrate = Migrate()

logger = logging.getLogger(__name__)


def init_db(app):
    """Initialize database - create tables"""
    
    with app.app_context():
        try:
            db.create_all()
            print("[DB] All tables created successfully", flush=True)
        except Exception as e:
            print(f"[DB] Error creating tables: {e}", flush=True)
            raise
        
        from database.models import User
        
        try:
            admin = User.query.filter_by(username='admin').first()
            
            if not admin:
                print("[DB] Creating default admin user...", flush=True)
                admin = User(username='admin', is_admin=True)
                admin.set_password('admin123')
                
                db.session.add(admin)
                db.session.commit()
                print("[DB] Default admin user created (admin/admin123)", flush=True)
                print(f"[DB] Hash: {admin.password_hash}", flush=True)
            else:
                print("[DB] Admin user already exists", flush=True)

        
        except Exception as e:
            print(f"[DB] Error creating admin: {e}", flush=True)
            db.session.rollback()
            raise