from flask import Flask
from flask_cors import CORS
from flask_sqlalchemy import SQLAlchemy
from flask_migrate import Migrate
from config import Config
import logging
from logging.handlers import RotatingFileHandler,TimedRotatingFileHandler

def setup_log():
    # 设置日志的记录等级
    logging.basicConfig(level=Config.LOG_LEVEL)  # 调试debug级
    # 创建日志记录器，指明日志保存的路径、每个日志文件的最大大小、保存的日志文件个数上限
    file_log_handler = RotatingFileHandler(Config.LOG_FOLDER, maxBytes=1024 * 1024 * 100, backupCount=10)
    # 创建日志记录的格式 日志等级 输入日志信息的文件名 行数 日志信息
    log_file_handler = TimedRotatingFileHandler(filename=Config.LOG_FOLDER, when="D", interval=1, backupCount=15)
    formatter = logging.Formatter('%(asctime)s :  %(message)s')
    # 为刚创建的日志记录器设置日志记录格式
    file_log_handler.setFormatter(formatter)
    # 为全局的日志工具对象（flask app使用的）添加日志记录器
    logging.getLogger().addHandler(file_log_handler)


# Flask-SQLAlchemy plugin
db = SQLAlchemy()
# # Flask-Migrate plugin
migrate = Migrate()


def create_app(config_class=Config):
    setup_log()
    app = Flask(__name__,
            template_folder="./neotel",
            static_folder="./neotel",
            static_url_path="")
    app.config.from_object(config_class)

    # Enable CORS
    CORS(app, supports_credentials=True)
    # Init Flask-SQLAlchemy
    db.init_app(app)
    # Init Flask-Migrate
    migrate.init_app(app, db)

    # 注册 blueprint
    from app.api import bp as api_bp
    app.register_blueprint(api_bp, url_prefix='/api')

    return app


from app import models,utils,saved_model