import httpx
import os
import logging
from pathlib import Path

logging.basicConfig(level=logging.WARNING)
logger = logging.getLogger("YouTrackClient")


class YouTrackClient:
    def __init__(self):
        self.base_url = os.getenv("YOUTRACK_URL")
        self.token = os.getenv("YOUTRACK_TOKEN")
        self.ca_bundle = os.getenv("YOUTRACK_CA_BUNDLE")

        if not self.base_url or not self.token:
            self.enabled = False
            logger.info("YouTrack: .env не настроен — синхронизация отключена")
            return

        # Определяем verify параметр для httpx
        if self.ca_bundle:
            ca_path = Path(self.ca_bundle)
            if ca_path.exists():
                self.verify = str(ca_path.resolve())
                logger.info(f"YouTrack: использую CA bundle: {self.verify}")
            else:
                logger.error(f"YouTrack: CA bundle не найден: {ca_path}")
                self.verify = True  # fallback на системные
        else:
            self.verify = True  # стандартное поведение

        self.enabled = True
        self.headers = {
            "Authorization": f"Bearer {self.token}",
            "Content-Type": "application/json",
            "Accept": "application/json"
        }
        self.base_url = self.base_url.rstrip('/')

    def _get_client(self) -> httpx.Client:
        """Создаёт HTTP-клиент с правильной настройкой SSL"""
        return httpx.Client(verify=self.verify, timeout=15)

    def issue_exists(self, issue_id: str) -> bool:
        if not self.enabled:
            return False
        try:
            with self._get_client() as client:
                url = f"{self.base_url}/api/issues/{issue_id}"
                resp = client.get(url, headers=self.headers)
                exists = resp.status_code == 200
                if not exists:
                    logger.warning(f"YouTrack: задача {issue_id} не найдена (HTTP {resp.status_code})")
                return exists
        except Exception as e:
            logger.error(f"YouTrack: ошибка при проверке задачи {issue_id}: {e}")
            return False

    def add_work_item(self, issue_id: str, minutes: float) -> bool:
        if not self.enabled:
            return False

        if minutes <= 0:
            return True

        payload = {"duration": {"minutes": round(minutes)}}

        try:
            with self._get_client() as client:
                url = f"{self.base_url}/api/issues/{issue_id}/timeTracking/workItems"
                resp = client.post(url, headers=self.headers, json=payload)
                if resp.status_code in (200, 201):
                    logger.info(f"YouTrack: +{round(minutes)} мин к {issue_id}")
                    return True
                else:
                    logger.error(f"YouTrack: ошибка отправки времени ({issue_id}): {resp.status_code} – {resp.text}")
                    return False
        except Exception as e:
            logger.error(f"YouTrack: сетевая ошибка при отправке времени ({issue_id}): {e}")
            return False