from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager
from flask_migrate import Migrate
from config import Config

db = SQLAlchemy()
login_manager = LoginManager()
migrate = Migrate()

def create_app():
    app = Flask(__name__)
    app.config.from_object(Config)
    
    db.init_app(app)
    login_manager.init_app(app)
    migrate.init_app(app, db)
    
    # Register blueprints for modular routes
    from .routes.admin import admin_bp
    from .routes.auth import auth_bp
    from .routes.customer import customer_bp
    from .routes.repair import repair_bp
    from .routes.inventory import inventory_bp
    from .routes.technician import technician_bp
    from .routes.audit import audit_bp
    app.register_blueprint(admin_bp)
    app.register_blueprint(auth_bp)
    app.register_blueprint(customer_bp)
    app.register_blueprint(repair_bp)
    app.register_blueprint(inventory_bp)
    app.register_blueprint(technician_bp)
    app.register_blueprint(audit_bp)
    
    return app