"""Flamenco Manager REST API client.

Uses httpx (sync) for compatibility with Celery tasks and FastAPI endpoints.
"""
import logging
from typing import Any

import httpx

logger = logging.getLogger(__name__)

DEFAULT_TIMEOUT = 10.0


class FlamencoClient:
    """Thin wrapper around the Flamenco Manager v3 REST API."""

    def __init__(self, manager_url: str):
        self.base_url = manager_url.rstrip("/")

    def _url(self, path: str) -> str:
        return f"{self.base_url}{path}"

    # ── Job management ──────────────────────────────────────────────────────

    def submit_job(
        self,
        name: str,
        job_type: str,
        settings: dict[str, Any],
        metadata: dict[str, str] | None = None,
        priority: int = 50,
    ) -> dict:
        """Submit a new render job to Flamenco Manager.

        Returns the created job dict (includes 'id').
        """
        payload = {
            "name": name,
            "type": job_type,
            "submitter_platform": "linux",
            "settings": settings,
            "metadata": metadata or {},
            "priority": priority,
        }
        resp = httpx.post(
            self._url("/api/v3/jobs"),
            json=payload,
            timeout=DEFAULT_TIMEOUT,
        )
        resp.raise_for_status()
        return resp.json()

    def get_job(self, job_id: str) -> dict:
        """Get job details by ID."""
        resp = httpx.get(
            self._url(f"/api/v3/jobs/{job_id}"),
            timeout=DEFAULT_TIMEOUT,
        )
        resp.raise_for_status()
        return resp.json()

    def cancel_job(self, job_id: str) -> None:
        """Request cancellation of a job."""
        resp = httpx.post(
            self._url(f"/api/v3/jobs/{job_id}/setstatus"),
            json={"status": "cancel-requested"},
            timeout=DEFAULT_TIMEOUT,
        )
        resp.raise_for_status()

    # ── Workers ─────────────────────────────────────────────────────────────

    def list_workers(self) -> list[dict]:
        """List all registered workers."""
        resp = httpx.get(
            self._url("/api/v3/worker-mgt/workers"),
            timeout=DEFAULT_TIMEOUT,
        )
        resp.raise_for_status()
        data = resp.json()
        return data.get("workers", data) if isinstance(data, dict) else data

    # ── Farm status ─────────────────────────────────────────────────────────

    def get_farm_status(self) -> dict:
        """Get overall farm status from the Manager."""
        resp = httpx.get(
            self._url("/api/v3/configuration"),
            timeout=DEFAULT_TIMEOUT,
        )
        resp.raise_for_status()
        return resp.json()

    def health_check(self) -> dict:
        """Check if the Flamenco Manager is reachable and return version info."""
        try:
            resp = httpx.get(
                self._url("/api/v3/version"),
                timeout=5.0,
            )
            resp.raise_for_status()
            data = resp.json()
            return {
                "available": True,
                "version": data.get("version", "unknown"),
                "name": data.get("name", "Flamenco"),
            }
        except Exception as exc:
            logger.warning(f"Flamenco health check failed: {exc}")
            return {
                "available": False,
                "version": None,
                "name": None,
                "error": str(exc)[:200],
            }


def get_flamenco_client(manager_url: str) -> FlamencoClient:
    """Factory that creates a FlamencoClient from a manager URL."""
    return FlamencoClient(manager_url)