"""Cookie 管理路由"""

import csv
import io
import threading
from concurrent.futures import ThreadPoolExecutor, as_completed
from datetime import UTC, datetime

from fastapi import APIRouter, Depends, HTTPException, Query
from fastapi.responses import StreamingResponse
from sqlalchemy import case, func, or_
from sqlalchemy.orm import Session, defer, joinedload

from ..database import SessionLocal, get_db
from ..deps import get_current_user, require_permission
from ..models import Account, AuditLog, LoginTask, User
from ..models import ProxyConfig as ProxyConfigModel
from ..permissions import get_user_permissions, user_has_permission
from ..schemas import CookieReloginRequest
from ..services.cookie_check_service import check_douyu_cookie
from ..services.login_service import BatchRegistry, LoginBatchRunner, get_relogin_limits


def _fmt_dt(dt) -> str | None:
    """将 datetime 格式化为带时区的 ISO 字符串。"""
    if dt is None:
        return None
    if dt.tzinfo is None:
        dt = dt.replace(tzinfo=UTC)
    return dt.isoformat()


router = APIRouter(prefix="/api/cookies", tags=["Cookie管理"])
cookie_relogin_registry = BatchRegistry()


def _require_cookie_operation_perm(current: User) -> None:
    """允许脱敏的 CK 检测与重登，不授予 CK 查看或导出能力。"""
    if not (
        user_has_permission(current, "cookie:operate")
        or user_has_permission(current, "cookie:view")
    ):
        raise HTTPException(status_code=403, detail="无权限: cookie:operate")


def _parse_account_names(raw_names: str) -> list[str]:
    """解析前端粘贴的 Excel 账号名，每行一个并去重。"""
    names = []
    seen = set()
    for value in (
        (raw_names or "").replace("\r\n", "\n").replace("\r", "\n").split("\n")
    ):
        name = value.strip()
        if name and name not in seen:
            names.append(name)
            seen.add(name)
    return names


def _order_cookie_tasks(query, selected_names: list[str]):
    """按自定义账号名的输入顺序排序，未指定时保持默认的最新优先。"""
    if selected_names:
        input_order = case(
            {name: index for index, name in enumerate(selected_names)},
            value=Account.username,
            else_=len(selected_names),
        )
        return query.order_by(
            input_order, LoginTask.finished_at.desc(), LoginTask.id.desc()
        )
    return query.order_by(LoginTask.finished_at.desc(), LoginTask.id.desc())


def _check_one_cookie(task: LoginTask) -> dict:
    """将共享检测结果补充为 Cookie 记录的接口返回格式。"""
    result = check_douyu_cookie(task.cookie or "")
    result["id"] = task.id
    result["checked_at"] = result["checked_at"].isoformat()
    return result


def _visible_cookie_tasks_query(db: Session, current: User):
    """返回当前用户可见的成功 Cookie 任务查询。"""
    query = db.query(LoginTask).filter(LoginTask.status == "success")

    # 无全量登录任务权限时，只能操作分配给自己的账号 Cookie。
    if not user_has_permission(current, "login:view_all"):
        query = query.join(Account, LoginTask.account_id == Account.id).filter(
            Account.assigned_to == current.id
        )
    return query


def _visible_cookie_operation_tasks_query(db: Session, current: User):
    """返回可检测/重登的 Cookie 记录，重登中或失败时仍保留在操作列表。"""
    query = db.query(LoginTask).filter(
        LoginTask.cookie != "",
        LoginTask.status.in_(
            ("success", "relogin_pending", "relogin_running", "relogin_failed")
        ),
    )
    if not user_has_permission(current, "login:view_all"):
        query = query.join(Account, LoginTask.account_id == Account.id).filter(
            Account.assigned_to == current.id
        )
    return query


@router.get("")
def list_cookies(
    search: str = Query(""),
    tag: str = Query(""),
    account_names: str = Query(""),
    page: int | None = Query(None, ge=1),
    page_size: int = Query(20, ge=1, le=200),
    include_cookie: bool = Query(True),
    db: Session = Depends(get_db),
    current: User = Depends(get_current_user),
):
    """查看登录成功的 Cookie 列表。"""
    if not user_has_permission(current, "cookie:view"):
        raise HTTPException(status_code=403, detail="无权限: cookie:view")
    if not include_cookie:
        query = _visible_cookie_tasks_query(db, current).options(
            defer(LoginTask.cookie)
        )
    else:
        query = _visible_cookie_tasks_query(db, current).options(
            joinedload(LoginTask.account).joinedload(Account.assigned_user),
        )
    search_text = (search or "").strip()
    tag_value = (tag or "").strip()
    selected_names = _parse_account_names(account_names)
    can_view_all = user_has_permission(current, "login:view_all")
    account_joined = not can_view_all
    if selected_names:
        if not account_joined:
            query = query.join(Account, LoginTask.account_id == Account.id)
            account_joined = True
        query = query.filter(Account.username.in_(selected_names))
    if tag_value:
        if not account_joined:
            query = query.join(Account, LoginTask.account_id == Account.id)
            account_joined = True
        query = query.filter(Account.tag == tag_value)
    if search_text:
        pattern = f"%{search_text}%"
        if not account_joined:
            query = query.join(Account, LoginTask.account_id == Account.id)
            account_joined = True
        query = query.outerjoin(User, Account.assigned_to == User.id).filter(
            or_(
                Account.username.ilike(pattern),
                Account.tag.ilike(pattern),
                User.username.ilike(pattern),
            )
        )

    total = None
    if page is not None:
        total = (
            query.order_by(None).with_entities(func.count(LoginTask.id)).scalar() or 0
        )
    query = _order_cookie_tasks(query, selected_names)
    if page is not None:
        query = query.offset((page - 1) * page_size).limit(page_size)

    tasks = query.all()

    # 批量查账号，避免 N+1 查询
    account_ids = [t.account_id for t in tasks]
    accounts_map = {}
    if account_ids:
        account_query = db.query(Account).filter(Account.id.in_(account_ids))
        if not include_cookie:
            account_query = account_query.options(
                joinedload(Account.assigned_user),
                defer(Account.password),
                defer(Account.email),
                defer(Account.email_password),
            )
        accs = account_query.all()
        accounts_map = {a.id: a for a in accs}

    result = []
    for t in tasks:
        acc = accounts_map.get(t.account_id)
        item = {
            "id": t.id,
            "batch_id": t.batch_id,
            "account_id": t.account_id,
            "account_username": acc.username if acc else "",
            "assigned_to": acc.assigned_to if acc else None,
            "assigned_username": acc.assigned_user.username
            if acc and acc.assigned_user
            else None,
            "created_at": _fmt_dt(t.finished_at),
            "ck_check_status": t.ck_check_status or "",
            "ck_check_result": t.ck_check_result,
            "ck_checked_at": _fmt_dt(t.ck_checked_at),
        }
        # 分页列表默认只返回预览，复制/导出时再获取完整敏感字段。
        if include_cookie and user_has_permission(current, "cookie:view"):
            cookie = t.cookie or ""
            item["cookie"] = cookie
            item["cookie_preview"] = cookie[:50] + "..." if len(cookie) > 50 else cookie
            item["account_password"] = acc.password if acc else ""
        else:
            item["cookie"] = ""
            item["cookie_preview"] = "***"
            item["account_password"] = ""
        result.append(item)
    if page is not None:
        return {
            "items": result,
            "total": total or 0,
            "page": page,
            "page_size": page_size,
        }
    return result


@router.get("/summary")
def cookies_summary(
    db: Session = Depends(get_db),
    current: User = Depends(get_current_user),
):
    """Cookie 管理统计，避免前端为了卡片统计拉全量 Cookie。"""
    if not user_has_permission(current, "cookie:view"):
        raise HTTPException(status_code=403, detail="无权限: cookie:view")
    query = _visible_cookie_tasks_query(db, current)
    if user_has_permission(current, "login:view_all"):
        query = query.join(Account, LoginTask.account_id == Account.id)
    total = query.with_entities(func.count(LoginTask.id)).scalar() or 0
    assigned_count = (
        query.filter(Account.assigned_to.isnot(None))
        .with_entities(func.count(LoginTask.id))
        .scalar()
        or 0
    )
    return {
        "total": total,
        "assigned_count": assigned_count,
        "unassigned_count": max(0, total - assigned_count),
    }


@router.get("/operations")
def list_cookie_operations(
    search: str = Query(""),
    tag: str = Query(""),
    page: int = Query(1, ge=1),
    page_size: int = Query(20, ge=1, le=200),
    db: Session = Depends(get_db),
    current: User = Depends(get_current_user),
):
    """脱敏的 CK 操作列表，只用于检测与重登。"""
    _require_cookie_operation_perm(current)
    query = _visible_cookie_operation_tasks_query(db, current)
    if user_has_permission(current, "login:view_all"):
        query = query.join(Account, LoginTask.account_id == Account.id)
    search_text = (search or "").strip()
    tag_value = (tag or "").strip()
    if tag_value:
        query = query.filter(Account.tag == tag_value)
    if search_text:
        query = query.filter(
            or_(
                Account.username.ilike(f"%{search_text}%"),
                Account.tag.ilike(f"%{search_text}%"),
            )
        )

    total = query.order_by(None).with_entities(func.count(LoginTask.id)).scalar() or 0
    tasks = (
        query.order_by(LoginTask.finished_at.desc(), LoginTask.id.desc())
        .offset((page - 1) * page_size)
        .limit(page_size)
        .all()
    )
    return {
        "items": [
            {
                "id": task.id,
                "account_username": task.account.username if task.account else "",
                "tag": task.account.tag if task.account else "",
                "ck_check_status": task.ck_check_status or "",
                "ck_checked_at": _fmt_dt(task.ck_checked_at),
                "created_at": _fmt_dt(task.finished_at),
                "relogin_status": task.status if task.status != "success" else "",
                "relogin_message": task.message or "",
                "relogin_batch_id": task.batch_id
                if task.status in {"relogin_pending", "relogin_running"}
                else "",
            }
            for task in tasks
        ],
        "total": total,
        "page": page,
        "page_size": page_size,
    }


@router.get("/operations/tags")
def list_cookie_operation_tags(
    db: Session = Depends(get_db),
    current: User = Depends(get_current_user),
):
    """返回当前用户可操作 CK 记录对应的标签，不跨越账号分配范围。"""
    _require_cookie_operation_perm(current)
    query = _visible_cookie_operation_tasks_query(db, current)
    if user_has_permission(current, "login:view_all"):
        query = query.join(Account, LoginTask.account_id == Account.id)
    rows = (
        query.filter(Account.tag != "", Account.tag.isnot(None))
        .with_entities(Account.tag)
        .distinct()
        .order_by(Account.tag.asc())
        .all()
    )
    return [tag for (tag,) in rows if tag]


@router.get("/duplicates")
def find_duplicate_cookies(
    db: Session = Depends(get_db),
    current: User = Depends(require_permission("cookie:view")),
):
    """检测 CK 管理中同一账号出现多次的记录，不返回 Cookie 敏感字段。"""
    query = (
        db.query(
            LoginTask.id.label("cookie_id"),
            LoginTask.account_id.label("account_id"),
            LoginTask.batch_id.label("batch_id"),
            LoginTask.finished_at.label("finished_at"),
            Account.username.label("username"),
        )
        .join(Account, LoginTask.account_id == Account.id)
        .filter(LoginTask.status == "success")
    )

    # 与 CK 列表保持相同的数据可见范围，客服只能检测自己被分配的账号。
    if not user_has_permission(current, "login:view_all"):
        query = query.filter(Account.assigned_to == current.id)

    rows = query.order_by(
        Account.username.asc(), LoginTask.finished_at.desc(), LoginTask.id.desc()
    ).all()
    grouped: dict[str, dict] = {}
    for row in rows:
        username = (row.username or "").strip()
        if not username:
            continue
        account_key = username.casefold()
        group = grouped.setdefault(
            account_key,
            {
                "account_key": account_key,
                "account_names": set(),
                "account_ids": set(),
                "cookie_ids": [],
                "records": [],
            },
        )
        group["account_names"].add(username)
        group["account_ids"].add(row.account_id)
        group["cookie_ids"].append(row.cookie_id)
        group["records"].append(
            {
                "id": row.cookie_id,
                "account_id": row.account_id,
                "batch_id": row.batch_id,
                "finished_at": _fmt_dt(row.finished_at),
            }
        )

    duplicate_groups = []
    for group in grouped.values():
        if len(group["cookie_ids"]) < 2:
            continue
        duplicate_groups.append(
            {
                "account_key": group["account_key"],
                "account_names": sorted(group["account_names"]),
                "cookie_count": len(group["cookie_ids"]),
                "account_count": len(group["account_ids"]),
                "cookie_ids": group["cookie_ids"],
                "account_ids": sorted(group["account_ids"]),
                "records": group["records"],
            }
        )
    duplicate_groups.sort(key=lambda item: (-item["cookie_count"], item["account_key"]))

    return {
        "success": True,
        "duplicate_groups": len(duplicate_groups),
        "duplicate_rows": sum(item["cookie_count"] for item in duplicate_groups),
        "groups": duplicate_groups,
    }


@router.get("/export")
def export_cookies(
    format: str = "csv",
    account_names: str = Query(""),
    db: Session = Depends(get_db),
    current: User = Depends(require_permission("cookie:export")),
):
    """导出 Cookie，支持 csv 和 custom 格式。
    csv: 账号, Cookie, 时间
    custom: 账号----密码----ck
    """
    query = _visible_cookie_tasks_query(db, current)
    selected_names = _parse_account_names(account_names)
    if selected_names:
        if user_has_permission(current, "login:view_all"):
            query = query.join(Account, LoginTask.account_id == Account.id)
        query = query.filter(Account.username.in_(selected_names))
    tasks = _order_cookie_tasks(query, selected_names).all()

    # 批量查账号，避免 N+1
    account_ids = [t.account_id for t in tasks]
    accounts_map = {}
    if account_ids:
        accs = db.query(Account).filter(Account.id.in_(account_ids)).all()
        accounts_map = {a.id: a for a in accs}

    if format == "custom":
        # 账号----密码----ck
        lines = []
        for t in tasks:
            acc = accounts_map.get(t.account_id)
            username = acc.username if acc else ""
            password = acc.password if acc else ""
            ck = t.cookie or ""
            lines.append(f"{username}----{password}----{ck}")
        content = "\r\n".join(lines)
        filename = "cookies_custom.txt"
        media = "text/plain"
    else:
        # CSV: 账号, Cookie, 时间
        output = io.StringIO()
        writer = csv.writer(output)
        writer.writerow(["账号", "Cookie", "时间"])
        for t in tasks:
            acc = accounts_map.get(t.account_id)
            username = acc.username if acc else ""
            writer.writerow([username, t.cookie or "", _fmt_dt(t.finished_at) or ""])
        content = output.getvalue()
        filename = "cookies.csv"
        media = "text/csv"

    return StreamingResponse(
        iter([content]),
        media_type=media,
        headers={"Content-Disposition": f"attachment; filename={filename}"},
    )


def _check_cookies(ids: str, db: Session, current: User, *, detailed: bool) -> dict:
    """执行 CK 检测；客服操作页仅返回状态，不返回账号衍生信息。"""
    if not ids:
        raise HTTPException(status_code=400, detail="请指定记录ID")
    id_list = [int(x) for x in ids.split(",") if x.strip().isdigit()]
    if not id_list:
        raise HTTPException(status_code=400, detail="无效的ID")
    base_query = (
        _visible_cookie_tasks_query(db, current)
        if detailed
        else _visible_cookie_operation_tasks_query(db, current)
    )
    tasks = (
        base_query.filter(LoginTask.id.in_(id_list))
        .filter(LoginTask.status.in_(("success", "relogin_failed")))
        .all()
    )
    if not tasks:
        raise HTTPException(status_code=404, detail="记录不存在")

    results: list[dict] = []
    with ThreadPoolExecutor(max_workers=8) as pool:
        futures = {pool.submit(_check_one_cookie, task): task for task in tasks}
        for future in as_completed(futures):
            try:
                results.append(future.result())
            except Exception as exc:  # noqa: BLE001 外部接口与任务边界需要保留宽泛异常兜底
                task = futures[future]
                results.append(
                    {
                        "id": task.id,
                        "valid": False,
                        "message": f"检测异常: {exc}",
                        "fish_ball": None,
                        "nickname": None,
                        "level": None,
                        "checked_at": datetime.now(UTC).isoformat(),
                    }
                )
    results.sort(key=lambda item: item["id"])

    # 持久化检测结果，刷新/翻页不丢失
    tasks_by_id = {task.id: task for task in tasks}
    for item in results:
        task = tasks_by_id.get(item["id"])
        if not task:
            continue
        task.ck_check_status = "valid" if item["valid"] else "invalid"
        task.ck_check_result = {
            "fish_ball": item.get("fish_ball"),
            "nickname": item.get("nickname"),
            "level": item.get("level"),
            "message": item.get("message", ""),
        }
        task.ck_checked_at = datetime.now(UTC)
    db.add(
        AuditLog(
            user_id=current.id,
            username=current.username,
            action="cookie:check",
            target=f"检测 {len(results)} 条已分配账号 CK",
        )
    )
    db.commit()
    if not detailed:
        results = [
            {"id": item["id"], "valid": item["valid"], "checked_at": item["checked_at"]}
            for item in results
        ]
    return {"results": results, "success": True}


@router.post("/check")
def check_cookies(
    ids: str = "",
    db: Session = Depends(get_db),
    current: User = Depends(get_current_user),
):
    """批量检测斗鱼 Cookie 有效性，供 Cookie 管理页查看详细结果。"""
    if not user_has_permission(current, "cookie:view"):
        raise HTTPException(status_code=403, detail="无权限: cookie:view")
    return _check_cookies(ids, db, current, detailed=True)


@router.post("/operations/check")
def check_cookie_operations(
    ids: str = "",
    db: Session = Depends(get_db),
    current: User = Depends(get_current_user),
):
    """脱敏 CK 检测，只返回有效性与检测时间。"""
    _require_cookie_operation_perm(current)
    return _check_cookies(ids, db, current, detailed=False)


def _start_relogin_tasks(
    tasks: list[LoginTask],
    db: Session,
    current: User,
    *,
    action: str = "cookie:relogin",
):
    """启动重登批次：旧 Cookie 保留到新登录成功后才替换。"""
    if not tasks:
        raise HTTPException(status_code=404, detail="记录不存在")

    task_ids: list[int] = []
    skipped: list[int] = []
    for task in tasks:
        acc = db.query(Account).filter(Account.id == task.account_id).first()
        if not acc:
            skipped.append(task.id)
            continue
        if not acc.password or not acc.email:
            task.status = "relogin_failed"
            task.message = "重新登录失败: 账号缺少密码或邮箱，旧 Cookie 已保留"
            task.finished_at = datetime.now(UTC)
            skipped.append(task.id)
            continue
        if task.status in {"relogin_pending", "relogin_running"}:
            skipped.append(task.id)
            continue
        task.status = "relogin_pending"
        task.message = "等待重新登录，旧 Cookie 已保留"
        task.finished_at = None
        task_ids.append(task.id)

    if not task_ids:
        db.commit()
        raise HTTPException(
            status_code=400, detail="没有可重登的账号，请检查账号凭据或当前重登状态"
        )

    proxy = db.query(ProxyConfigModel).first()
    thread_db = SessionLocal()
    max_login_retries, max_total_time = get_relogin_limits()
    runner = LoginBatchRunner(
        db=thread_db,
        account_ids=[],
        created_by=current.id,
        creator_permissions=get_user_permissions(current),
        max_login_retries=max_login_retries,
        max_total_time=max_total_time,
        proxy_config=proxy,
        log_queue=None,
        loop=None,
        concurrency=3,
        mode="relogin",
        relogin_task_ids=task_ids,
    )
    batch_id = runner.batch_id
    db.add(
        AuditLog(
            user_id=current.id,
            username=current.username,
            action=action,
            target=f"重登 {len(task_ids)} 条账号 CK",
            detail="旧 Cookie 将在新登录成功后替换",
        )
    )
    db.commit()
    cookie_relogin_registry.register(batch_id, None, None, runner, owner_id=current.id)

    def run_relogin_batch():
        try:
            runner.run()
        except Exception as exc:  # noqa: BLE001 外部接口与任务边界需要保留宽泛异常兜底
            runner._push_log("error", f"批量重新登录异常: {exc}")
            message = f"重新登录异常: {exc}（旧 Cookie 已保留）"
            for task_id in task_ids:
                runner._mark_relogin_stopped(task_id, message)
            runner.db.close()
        finally:
            cookie_relogin_registry.pop(batch_id)

    threading.Thread(target=run_relogin_batch, daemon=True).start()
    return {
        "batch_id": batch_id,
        "count": len(task_ids),
        "skipped": len(skipped),
        "success": True,
    }


@router.post("/operations/relogin/{batch_id}/stop")
def stop_cookie_relogin(
    batch_id: str,
    db: Session = Depends(get_db),
    current: User = Depends(get_current_user),
):
    """停止当前用户发起的 CK 重登批次。"""
    _require_cookie_operation_perm(current)
    batch = cookie_relogin_registry.get(batch_id)
    if not batch:
        raise HTTPException(
            status_code=404, detail="重登批次不存在、已结束或服务已重启"
        )
    if batch.get("owner_id") != current.id and not user_has_permission(
        current, "login:view_all"
    ):
        raise HTTPException(status_code=403, detail="无权限停止该重登批次")

    batch["runner"].stop()
    db.add(
        AuditLog(
            user_id=current.id,
            username=current.username,
            action="cookie:relogin_stop",
            target=f"停止 CK 重登批次 {batch_id}",
        )
    )
    db.commit()
    return {
        "message": "已发送停止信号，正在登录的账号会在当前请求结束后停止",
        "success": True,
    }


def _start_relogin(req: CookieReloginRequest, db: Session, current: User):
    """按选中的 Cookie 记录启动重新登录。"""
    if not req.ids:
        raise HTTPException(status_code=400, detail="请选择要重新登录的 Cookie")
    tasks = (
        _visible_cookie_operation_tasks_query(db, current)
        .filter(LoginTask.id.in_(req.ids))
        .filter(LoginTask.status.in_(("success", "relogin_failed")))
        .all()
    )
    return _start_relogin_tasks(tasks, db, current)


@router.post("/relogin")
def relogin_cookies(
    req: CookieReloginRequest,
    db: Session = Depends(get_db),
    current: User = Depends(require_permission("login:batch")),
):
    """Cookie 管理页的重登入口，保留既有 login:batch 权限。"""
    return _start_relogin(req, db, current)


@router.post("/operations/relogin")
def relogin_cookie_operations(
    req: CookieReloginRequest,
    db: Session = Depends(get_db),
    current: User = Depends(get_current_user),
):
    """脱敏 CK 操作页的重登入口。"""
    _require_cookie_operation_perm(current)
    return _start_relogin(req, db, current)


@router.post("/operations/relogin-invalid")
def relogin_invalid_cookie_operations(
    search: str = Query(""),
    tag: str = Query(""),
    db: Session = Depends(get_db),
    current: User = Depends(get_current_user),
):
    """批量重新登录当前用户可见且最近检测为无效的账号。"""
    _require_cookie_operation_perm(current)
    query = _visible_cookie_operation_tasks_query(db, current).filter(
        LoginTask.ck_check_status == "invalid",
        LoginTask.status.in_(("success", "relogin_failed")),
    )
    if user_has_permission(current, "login:view_all"):
        query = query.join(Account, LoginTask.account_id == Account.id)
    if tag.strip():
        query = query.filter(Account.tag == tag.strip())
    if search.strip():
        pattern = f"%{search.strip()}%"
        query = query.filter(
            or_(Account.username.ilike(pattern), Account.tag.ilike(pattern))
        )
    tasks = query.order_by(LoginTask.id.asc()).all()
    return _start_relogin_tasks(tasks, db, current, action="cookie:relogin_invalid")


@router.get("/{task_id}")
def get_cookie(
    task_id: int,
    db: Session = Depends(get_db),
    current: User = Depends(get_current_user),
):
    """获取单条 Cookie 详情，供复制操作按需读取完整敏感字段。"""
    if not user_has_permission(current, "cookie:view"):
        raise HTTPException(status_code=403, detail="无权限: cookie:view")
    task = (
        _visible_cookie_tasks_query(db, current).filter(LoginTask.id == task_id).first()
    )
    if not task:
        raise HTTPException(status_code=404, detail="记录不存在")
    acc = db.query(Account).filter(Account.id == task.account_id).first()
    item = {
        "id": task.id,
        "batch_id": task.batch_id,
        "account_id": task.account_id,
        "account_username": acc.username if acc else "",
        "assigned_to": acc.assigned_to if acc else None,
        "assigned_username": acc.assigned_user.username
        if acc and acc.assigned_user
        else None,
        "created_at": _fmt_dt(task.finished_at),
        "ck_check_status": task.ck_check_status or "",
        "ck_check_result": task.ck_check_result,
        "ck_checked_at": _fmt_dt(task.ck_checked_at),
        "cookie": "",
        "cookie_preview": "***",
        "account_password": "",
    }
    if user_has_permission(current, "cookie:view"):
        cookie = task.cookie or ""
        item["cookie"] = cookie
        item["cookie_preview"] = cookie[:50] + "..." if len(cookie) > 50 else cookie
        item["account_password"] = acc.password if acc else ""
    return item


@router.delete("/batch")
def delete_cookies_batch(
    task_ids: str = "",
    db: Session = Depends(get_db),
    current: User = Depends(require_permission("cookie:export")),
):
    """批量删除 Cookie 记录。"""
    if not task_ids:
        raise HTTPException(status_code=400, detail="请指定记录ID")
    ids = [int(x) for x in task_ids.split(",") if x.strip().isdigit()]
    if not ids:
        raise HTTPException(status_code=400, detail="无效的ID")
    tasks = _visible_cookie_tasks_query(db, current).filter(LoginTask.id.in_(ids)).all()
    for t in tasks:
        t.cookie = ""
        t.status = "failed"
        t.message = "Cookie已清除"
    db.commit()
    return {
        "message": f"已删除 {len(tasks)} 条",
        "deleted": len(tasks),
        "success": True,
    }


@router.delete("/{task_id}")
def delete_cookie(
    task_id: int,
    db: Session = Depends(get_db),
    current: User = Depends(require_permission("cookie:export")),
):
    """删除一条 Cookie 记录。"""
    task = (
        _visible_cookie_tasks_query(db, current).filter(LoginTask.id == task_id).first()
    )
    if not task:
        raise HTTPException(status_code=404, detail="记录不存在")
    task.cookie = ""
    task.status = "failed"
    task.message = "Cookie已清除"
    db.commit()
    return {"message": "已删除", "success": True}