import os

from flask import Flask, render_template, g, redirect, url_for
from datetime import datetime

def create_app(test_config=None):
    # create and configure the app
    app = Flask(__name__, instance_relative_config=True)
    app.config.from_mapping(
        SECRET_KEY='dev',
        # DATABASE=os.path.join(app.instance_path, 'dbproj.db'),
        DATABASE='bigwork',
        DATABASE_USER='root',
        DATABASE_HOST='localhost',
        DATABASE_PASS='lil0,.lil0',
        UPLOADDIR=os.path.join("./file_storage"),
    )
    if not os.path.exists(app.config['UPLOADDIR']):
        os.mkdir(app.config['UPLOADDIR'])
    if test_config is None:
        app.config.from_pyfile('config.py', silent=True)
    else:
        app.config.from_mapping(test_config)

    try:
        os.makedirs(app.instance_path)
    except OSError:
        pass

    from . import db
    db.init_app(app)
    from . import auth
    app.register_blueprint(auth.bp)
    from . import admin
    app.register_blueprint(admin.bp)
    app.add_url_rule("/admin", endpoint="admin.index")
    from . import user
    app.register_blueprint(user.bp)

    @app.route('/')
    def index():
        if g.user is not None and 'user_id' in g.user.keys():
            if g.user['user_id'] == 0:
                return redirect(url_for("admin.index"))
            else:
                return redirect(url_for("user.home"))
        return render_template("auth/loginbase.html", cur_time=datetime.now())
    return app