from flask import Flask
from flask_cors import CORS
from app.config import Config
from app.routes import auth_bp, eligibility_bp, loan_bp
from app.errors import method_not_allowed, unsupported_media_type


def create_app():
    """Factory function to create a Flask app instance"""
    app = Flask(__name__)

    # Load configuration
    app.config.from_object(Config)

    CORS(app)

    # Register blueprints
    app.register_blueprint(auth_bp)
    app.register_blueprint(loan_bp, url_prefix="/loans")
    app.register_blueprint(eligibility_bp, url_prefix="/eligibility")
    # app.register_blueprint(repayment_bp)

    # Error Handlers
    app.register_error_handler(405, method_not_allowed)
    app.register_error_handler(415, unsupported_media_type)

    return app