import os
import sys

from flask import Flask
from grung.db import GrungDB
from tinydb.storages import MemoryStorage

from ttfrog import schema


class ApplicationContext:
    def __init__(self):
        self.web: Flask = Flask("ttfrog")
        self.db: GrungDB = None
        self._initialized = False

    def initialize(self, db: GrungDB = None):
        if not self._initialized:
            self.web.config["SECRET_KEY"] = os.getenv("SECRET_KEY", "secret string")
            if os.environ.get("TTFROG_IN_MEMORY_DB"):
                self.db = GrungDB.with_schema(schema, storage=MemoryStorage)
            else:
                self.db = GrungDB.with_schema(schema, "ttfrog.db.json")
            self._initialized = True


sys.modules[__name__] = ApplicationContext()