"""Application factory."""

from flask import Flask

from app.config.setting import config


def register_blueprints(app):
    """Register all application blueprints."""
    from app.api.v1 import create_blueprint_v1
    from app.routes.health import bp as health_bp

    # API v1 under /v1
    app.register_blueprint(create_blueprint_v1(), url_prefix="/v1")

    # Health endpoint at /health
    app.register_blueprint(health_bp)


def create_app(env: str = "default"):
    """Create and configure the Flask application."""
    app = Flask(__name__)
    app.config.from_object(config[env])

    # optional: initialize logging and other extensions here
    try:
        from app.utils.logger import setup_logging

        setup_logging(app)
    except Exception:
        # keep app creation robust even if logging setup fails
        pass

    register_blueprints(app)
    return app