import os
import logging
import requests
from typing import Optional

log = logging.getLogger(__name__)

API_BASE = os.getenv("EVER_JOBS_API_URL", "http://localhost:3001")
SEARCH_ENDPOINT = f"{API_BASE}/api/jobs/search"
DEFAULT_TIMEOUT = 120
DEFAULT_REQUEST_TIMEOUT = 30


class EverJobsClient:

    def __init__(self, base_url: str = API_BASE, timeout: int = DEFAULT_TIMEOUT):
        self.base_url = base_url
        self.timeout = timeout
        self.search_endpoint = f"{base_url}/api/jobs/search"

    def search(
        self,
        site_types: list[str],
        search_term: str,
        location: str,
        results_wanted: int = 25,
        hours_old: int = 168,
        description_format: str = "plain",
        request_timeout: int = DEFAULT_REQUEST_TIMEOUT,
    ) -> list[dict]:
        payload = {
            "siteType": [s.lower() for s in site_types],
            "searchTerm": search_term,
            "location": location,
            "resultsWanted": results_wanted,
            "hoursOld": hours_old,
            "descriptionFormat": description_format,
            "requestTimeout": request_timeout,
        }
        try:
            log.info(
                f"EverJobsClient.search: {site_types} | {search_term!r} @ {location!r} "
                f"| wanted={results_wanted}"
            )
            resp = requests.post(
                self.search_endpoint,
                json=payload,
                timeout=self.timeout,
            )
            resp.raise_for_status()
            data = resp.json()
            jobs = data.get("jobs", [])
            log.info(f"EverJobsClient: received {len(jobs)} jobs (count={data.get('count')})")
            return jobs
        except requests.exceptions.ConnectionError:
            log.error(
                "EverJobsClient: connection refused on localhost:3001. "
                "Run ensure_running() from src.ever_jobs_bridge.server before scraping."
            )
            return []
        except requests.exceptions.Timeout:
            log.error(
                f"EverJobsClient: request timed out after {self.timeout}s. "
                "Consider reducing the number of platforms per call."
            )
            return []
        except Exception as e:
            log.error(f"EverJobsClient.search error: {e}")
            return []