"""115网盘转存逻辑 v1.0.0"""

import re
import logging
from typing import List, Tuple

logger = logging.getLogger(__name__)


class Pan115Transfer:
    def __init__(self, session, credential_mgr, config, transfer_config):
        self.session = session
        self.credential = credential_mgr
        self.config = config
        self.transfer_config = transfer_config
        self._last_file_names = []

    def parse_share_url(url: str) -> Tuple[str, str]:
        m = re.search(r"115\.com/s/([a-z0-9]+)", url)
        if not m:
            raise ValueError("Invalid 115 share URL")
        code = m.group(1)
        m2 = re.search(r"password[=:](\w+)", url)
        return code, m2.group(1) if m2 else ""

    def get_share_info(self, code: str, password: str = "") -> dict:
        params = {"share_code": code}
        if password:
            params["receive_code"] = password
        resp = self.session.get(
            "https://webapi.115.com/share/snap",
            params=params,
            timeout=self.transfer_config.request_timeout,
        )
        data = resp.json()
        if not data.get("state"):
            raise Exception(f"115 share info failed: {data}")
        snap = data.get("data", {})
        files = snap.get("list", [])
        return {
            "title": snap.get("shareinfo", {}).get("share_title", ""),
            "files": [{"id": f.get("fid", ""), "name": f.get("n", ""),
                       "size": int(f.get("s", 0))} for f in files],
            "cid": files[0].get("cid", "") if files else "",
        }

    def save_files(self, share_code: str, detail: dict, save_dir: str) -> List[str]:
        cid = detail.get("cid", "0")
        payload = {"share_code": share_code, "receive_code": "",
                   "cid": cid, "pick_code": ""}
        resp = self.session.post(
            "https://webapi.115.com/share/receive",
            json=payload,
            timeout=self.transfer_config.request_timeout,
        )
        data = resp.json()
        if not data.get("state"):
            raise Exception(f"115 save failed: {data}")
        return [str(data.get("data", {}).get("cid", ""))]

    def create_share(self, file_ids: List[str], title: str,
                     password: str = "") -> Tuple[str, str]:
        return "", ""

    def list_files(self, cid: str = "0") -> list:
        return []


parse_share_url = staticmethod(Pan115Transfer.parse_share_url)