"""dolby-atmos-packager-alpha."""

import inspect
import uuid

import config

import sentry_sdk

import src.exceptions
from src.packagers import *  # noqa: import all subclasses
from src.packagers.base import AbstractPackager


async def main():
    """App entrypoint."""
    sentry_dsn = config.SENTRY_DSN
    if sentry_dsn:
        print('Sentry enabled')
        sentry_sdk.init(sentry_dsn)
    else:
        print('Sentry disabled')

    exit_code = 0
    try:
        packager = select_packager(config.DMS_ID)
        print(packager)

        job_id = config.JOB_ID or str(uuid.uuid4())
        print(job_id)

        await packager.package(
            config.STEREO_UPC,
            config.SPATIAL_UPC,
            job_id
        )
    except src.exceptions.AppException as e:
        print(type(e))
        exit_code = e.exit_code
    print(f'Exit code: {exit_code}')
    exit(exit_code)


def select_packager(dms_id):
    """Find packager matching dms_id."""
    try:
        return [
            x()
            for x in load_subclasses(AbstractPackager)
            if x.dms_id == dms_id
        ][0]
    except IndexError:
        raise src.exceptions.DMSPackagerNotFound()


def load_subclasses(class_def, subclasses=[]):
    """Recursive load subclasses."""
    for x in class_def.__subclasses__():
        if inspect.isabstract(x):
            subclasses = load_subclasses(x, subclasses)
        else:
            subclasses.append(x)
    return subclasses