from flask import g
from sqlite import SQLite
import json

def get_db():
    db = getattr(g, "_database", None)

    if db is None:
        with open('../../config.json') as config_file:
            config_json = json.load(config_file.read())

        if str(config_json["database"]["type"]).casefold() == "SQLite".casefold():
            db = g._database = SQLite(config_json["database"]["name"])
    
    return db