"""arq worker settings — the queue runtime. Task functions register here.

Run with: ``arq app.workers.arq_worker.WorkerSettings``.
Tasks (download, enrich, transcode) are appended to ``functions`` in later steps.
"""

from typing import Any, ClassVar

from arq.connections import RedisSettings

from app.core.config import get_settings
from app.core.logging import configure_logging, get_logger

log = get_logger("worker")


async def startup(_ctx: dict[str, Any]) -> None:
    settings = get_settings()
    configure_logging(level=settings.log_level, json=settings.log_json)
    log.info("worker_startup", environment=settings.environment)


async def shutdown(_ctx: dict[str, Any]) -> None:
    log.info("worker_shutdown")


class WorkerSettings:
    functions: ClassVar[list[Any]] = []  # populated as tasks are implemented
    on_startup = startup
    on_shutdown = shutdown
    max_jobs = get_settings().max_parallel_downloads
    redis_settings = RedisSettings.from_dsn(str(get_settings().redis_url))