import asyncio
import time
from typing import Any, Dict, List, Optional

from loguru import logger

from app.core.clickhouse import clickhouse_manager
from app.models.token import BossToken
from app.services.crawler.boss import BossService
from app.services.crawler.qcwy import QcwyService
from app.services.crawler.zhilian import ZhilianService
from app.services.ingest import IngestService


def _qcwy_extract_items(resp: dict) -> list:
    if not isinstance(resp, dict):
        return []
    rb = resp.get("resultbody") or resp.get("resultBody")
    if isinstance(rb, dict):
        job_node = rb.get("job")
        if isinstance(job_node, dict) and isinstance(job_node.get("items"), list):
            return job_node["items"]
    for key in ("items", "list", "jobs", "jobList"):
        val = resp.get(key)
        if isinstance(val, list):
            return val
    return []


class CompanyJobsSyncService:
    _TOKEN_REFRESH_INTERVAL = 3600

    def __init__(self):
        self.boss_service = BossService()
        self.qcwy_service = QcwyService()
        self.zhilian_service = ZhilianService()
        self.data_router: Optional[IngestService] = None
        self._boss_token_loaded = False
        self._token_loaded_at: float = 0

    def set_proxy(self, proxy: Optional[str]) -> None:
        self.boss_service.set_proxy(proxy)
        self.qcwy_service.set_proxy(proxy)
        self.zhilian_service.set_proxy(proxy)

    async def get_data_router(self) -> IngestService:
        if not self.data_router:
            client = await clickhouse_manager.get_client()
            self.data_router = IngestService(client)
        return self.data_router

    async def _ensure_boss_token_loaded(self) -> None:
        now = time.time()
        if (
            self._boss_token_loaded
            and self.boss_service.login_data.get("mpt")
            and now - self._token_loaded_at < self._TOKEN_REFRESH_INTERVAL
        ):
            return
        token_obj = await BossToken.filter(is_active=True).order_by("-updated_at").first()
        if not token_obj:
            logger.warning("BossToken not found or inactive in CompanyJobsSyncService")
            return
        self.boss_service.set_login_data(token_obj.mpt or "", "")
        self._boss_token_loaded = True
        self._token_loaded_at = now

    async def sync_company_jobs(self, source: str, company_id: str) -> Dict[str, Any]:
        router = await self.get_data_router()

        if source == "boss":
            await self._ensure_boss_token_loaded()
            data = await asyncio.to_thread(self.boss_service.get_company_jobs_by_id, company_id)
            jobs = self._extract_boss_jobs(data)
        elif source == "qcwy":
            data = await asyncio.to_thread(self.qcwy_service.get_company_jobs_by_id, company_id)
            jobs = self._extract_qcwy_jobs(data)
        elif source == "zhilian":
            data = await asyncio.to_thread(self.zhilian_service.get_company_jobs_by_id, company_id)
            jobs = self._extract_zhilian_jobs(data)
        else:
            raise ValueError(f"unsupported source: {source}")

        if not jobs:
            return {
                "success": True,
                "source": source,
                "company_id": company_id,
                "jobs_fetched": 0,
                "stored_success": 0,
                "duplicate": 0,
                "failed": 0,
                "original_data": data,
            }

        store_result = await router.store_batch(source, "company", "job", jobs)
        return {
            "success": True,
            "source": source,
            "company_id": company_id,
            "jobs_fetched": len(jobs),
            "stored_success": store_result.get("success", 0),
            "duplicate": store_result.get("duplicate", 0),
            "failed": store_result.get("failed", 0),
            "errors": store_result.get("errors", []),
            "original_data": data,
        }

    @staticmethod
    def _extract_boss_jobs(data: Optional[Dict[str, Any]]) -> List[Dict[str, Any]]:
        if not isinstance(data, dict):
            return []
        zp_data = data.get("zpData") or {}
        if isinstance(zp_data.get("jobList"), list):
            return zp_data.get("jobList") or []
        if isinstance(zp_data.get("list"), list):
            return zp_data.get("list") or []
        return []

    @staticmethod
    def _extract_qcwy_jobs(data: Optional[Dict[str, Any]]) -> List[Dict[str, Any]]:
        jobs_list = _qcwy_extract_items(data or {})
        return jobs_list if isinstance(jobs_list, list) else []

    @staticmethod
    def _extract_zhilian_jobs(data: Optional[Dict[str, Any]]) -> List[Dict[str, Any]]:
        if not isinstance(data, dict):
            return []
        jobs = data.get("list")
        if not isinstance(jobs, list):
            data_field = data.get("data") or {}
            jobs = data_field.get("list") or []
        return jobs if isinstance(jobs, list) else []