import logging as rel_log
import os
from datetime import timedelta
from flask import Flask
from apps.config import config
from apps.views import init_blueprints

def create_app(config_name = "default")->Flask:
    config_name = os.getenv('FLASK_CONFIG') or config_name

    app = Flask(config[config_name].BASE_DIR)
    # CORS(app, supports_credentials=True, resources={
    #     r"/api/*": {'origins': "*"}
    # })
    
    app.config.from_object(config[config_name])  # 读取配置
    config[config_name].init_app(app)

    init_dir()
    init_blueprints(app)
    return app

def init_dir():
    files = [
        'uploads', 'tmp/ct', 'tmp/draw',
        'tmp/image', 'tmp/mask', 'tmp/uploads'
    ]
    for ff in files:
        if not os.path.exists(ff):
            os.makedirs(ff)

# @app.after_request
# def after_request(response):
#     response.headers['Access-Control-Allow-Origin'] = '*'
#     response.headers['Access-Control-Allow-Credentials'] = 'true'
#     response.headers['Access-Control-Allow-Methods'] = 'POST'
#     response.headers['Access-Control-Allow-Headers'] = 'Content-Type, X-Requested-With'
#     return response