from __future__ import annotations

import threading
import time
from datetime import date

from backend.bootstrap.config import normalize_date


class JobServiceMixin:
    def start_background_jobs(self) -> threading.Thread:
        return self.jobs.start_scheduler(
            self._background_refresh_tick,
            interval_seconds=5,
            initial_delay_seconds=3,
        )

    def stop_background_jobs(self, timeout_seconds: float = 5) -> bool:
        scheduler_stopped = self.jobs.stop_scheduler(timeout_seconds)
        workers_stopped = self.jobs.wait_for_idle(timeout_seconds)
        return scheduler_stopped and workers_stopped

    def request_background_sync(self, trade_date: str) -> bool:
        normalized = normalize_date(trade_date)
        key = f"manual:{normalized}:{time.time_ns()}"
        return self.jobs.submit(
            "market.refresh",
            key,
            lambda: self.sync_dashboard(normalized),
            {"trade_date": normalized, "trigger": "administrator"},
        )

    def _background_refresh_tick(self) -> None:
        if not (
            self.configured
            and self._system_credentials.get("background_refresh_enabled", True)
        ):
            return
        today = date.today().strftime("%Y%m%d")
        snapshot = self.database.get_snapshot(today) or {}
        if self._realtime_snapshot_due(today, snapshot):
            bucket = int(time.time() // 5)
            self.jobs.submit(
                "market.refresh",
                f"realtime:{today}:{bucket}",
                lambda: self.sync_dashboard(today),
                {"trade_date": today, "trigger": "realtime-poll"},
            )
        self._schedule_automatic_screeners(today, snapshot)