from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager
from config import config

# 初始化扩展
db = SQLAlchemy()
login_manager = LoginManager()

def create_app(config_name=None):
    app = Flask(__name__)
    
    # 加载配置
    config_name = config_name or 'default'
    app.config.from_object(config[config_name])
    
    # 初始化扩展
    db.init_app(app)
    login_manager.init_app(app)
    login_manager.login_view = 'auth.login'
    login_manager.login_message = '请先登录访问此页面'
    login_manager.login_message_category = 'info'
    
    # 注册蓝图
    from app.routes.auth import auth_bp
    from app.routes.main import main_bp
    from app.routes.voice_test import voice_test_bp
    
    app.register_blueprint(main_bp)
    app.register_blueprint(auth_bp, url_prefix='/auth')
    app.register_blueprint(voice_test_bp, url_prefix='/voice-test')
    
    return app