import os

from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker

from ffx.model.show import Base, Show
from ffx.model.pattern import Pattern
from ffx.model.track import Track

from ffx.model.media_tag import MediaTag
from ffx.model.track_tag import TrackTag


def databaseContext():

    databaseContext = {}

    # Initialize DB
    homeDir = os.path.expanduser("~")
    ffxVarDir = os.path.join(homeDir, '.local', 'var', 'ffx')
    if not os.path.exists(ffxVarDir):
        os.makedirs(ffxVarDir)

    databaseContext['url'] = f"sqlite:///{os.path.join(ffxVarDir, 'ffx.db')}"
    databaseContext['engine'] = create_engine(databaseContext['url'])
    databaseContext['session'] = sessionmaker(bind=databaseContext['engine'])

    Base.metadata.create_all(databaseContext['engine'])

    # isSyncronuous = False
    # while not isSyncronuous:
    # while True:
    #     try:
    #         with databaseContext['database_engine'].connect() as connection:
    #             connection.execute(sqlalchemy.text('PRAGMA foreign_keys=ON;'))
    #             #isSyncronuous = True
    #             break
    #     except sqlite3.OperationalError:
    #         time.sleep(0.1)

    return databaseContext