import asyncio
from piccolo.table import create_db_tables
from .users import User
from .media import Media
from .email_verification import EmailVerification


async def create_tables():
    """
    Initializes the database by creating the
    necessary tables and indexes
    """

    await create_db_tables(User, Media, EmailVerification, if_not_exists=True)
    # Even though we use an auto-incrementing internal ID as the primary key,
    # we'll almost never use it for lookups from the API (it's mostly needed
    # for statistics), so we index by public_id and username since those are
    # the two main fields we're going to fetch users with
    await User.create_index([User.public_id], if_not_exists=True)
    await User.create_index([User.username], if_not_exists=True)
    await EmailVerification.create_index([EmailVerification.user], if_not_exists=True)