import queue
import threading
import time
import uuid
from typing import Any, Callable, Dict, Optional


class QuantumJobQueue:
    def __init__(self) -> None:
        self._q: "queue.Queue[Dict[str, Any]]" = queue.Queue()
        self._results: Dict[str, Dict[str, Any]] = {}

    def submit(self, payload: Dict[str, Any]) -> str:
        job_id = str(uuid.uuid4())
        self._q.put({"id": job_id, "payload": dict(payload), "status": "QUEUED", "created_at": time.time()})
        return job_id

    def worker(self, fn: Callable[[Dict[str, Any]], Dict[str, Any]], stop_event: threading.Event) -> None:
        while not stop_event.is_set():
            try:
                job = self._q.get(timeout=0.1)
            except queue.Empty:
                continue
            job["status"] = "RUNNING"
            try:
                result = fn(job["payload"])
                job["status"] = "COMPLETED"
                job["result"] = result
            except Exception as exc:
                job["status"] = "FAILED"
                job["error"] = str(exc)
            finally:
                self._results[job["id"]] = job
                self._q.task_done()

    def status(self, job_id: str) -> Dict[str, Any]:
        return self._results.get(job_id, {"id": job_id, "status": "UNKNOWN"})


class WorkflowRunner:
    def run(self, steps: Dict[str, Callable[[Dict[str, Any]], Any]], context: Optional[Dict[str, Any]] = None) -> Dict[str, Any]:
        ctx = dict(context or {})
        outputs: Dict[str, Any] = {}
        for name, fn in steps.items():
            outputs[name] = fn(ctx)
            ctx[name] = outputs[name]
        return {"outputs": outputs, "context": ctx}


class ServiceLevelManager:
    def evaluate(self, latency_ms: float, success_rate: float, sla: Dict[str, float]) -> Dict[str, Any]:
        ok_latency = latency_ms <= sla.get("max_latency_ms", float("inf"))
        ok_success = success_rate >= sla.get("min_success_rate", 0.0)
        return {"met": ok_latency and ok_success, "latency_ok": ok_latency, "success_ok": ok_success}


class ReleaseManager:
    def can_promote(self, tests_passed: int, tests_total: int, min_ratio: float = 1.0) -> bool:
        if tests_total <= 0:
            return False
        return (tests_passed / float(tests_total)) >= min_ratio
