"""
Pets of Powerwashing - A Flask application for managing pet picture submissions
"""

from flask import Flask
import os


def create_app():
    """Application factory pattern for Flask app creation"""
    app = Flask(__name__)
    
    # Import configuration
    from app.config import Config
    app.config.from_object(Config)
    
    # Ensure upload directory exists
    upload_path = os.path.join(app.static_folder, 'uploads')
    os.makedirs(upload_path, exist_ok=True)
    # Update config to use absolute path for file operations
    app.config['UPLOAD_FOLDER'] = upload_path
    
    # Setup logging
    from app.utils.logging_config import setup_logging
    setup_logging(app)
    
    # Register error handlers
    from app.utils.error_handlers import register_error_handlers
    register_error_handlers(app)
    
    # Initialize database
    from app.models.database import init_db, close_db
    with app.app_context():
        init_db()
    
    # Register database close function
    app.teardown_appcontext(close_db)
    
    # Register blueprints
    from app.routes.main import main_bp
    from app.routes.auth import auth_bp
    from app.routes.pictures import pictures_bp
    
    app.register_blueprint(main_bp)
    app.register_blueprint(auth_bp)
    app.register_blueprint(pictures_bp)
    
    return app