"""回收站 API 路由。"""

from fastapi import APIRouter, Depends
from sqlalchemy.orm import Session

from app.api.deps import get_current_user, get_db
from app.models.user import User
from app.services.recycle_bin_service import RecycleBinService

router = APIRouter(prefix="/recycle-bin", tags=["recycle-bin"])


@router.get("")
def list_recycle_bin(
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
) -> dict:
    """回收站内容列表。"""
    return RecycleBinService(db).list_items(user)


@router.post("/documents/{doc_id}/restore", status_code=204)
def restore_document(
    doc_id: str,
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
) -> None:
    RecycleBinService(db).restore_document(doc_id, user)


@router.delete("/documents/{doc_id}", status_code=204)
def purge_document(
    doc_id: str,
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
) -> None:
    """彻底删除单个文档（文件+记录）。"""
    RecycleBinService(db).purge_document(doc_id, user)


@router.post("/categories/{cat_id}/restore", status_code=204)
def restore_category(
    cat_id: str,
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
) -> None:
    """恢复目录（连同同批删除的子目录与文档）。"""
    RecycleBinService(db).restore_category(cat_id, user)


@router.delete("/categories/{cat_id}", status_code=204)
def purge_category(
    cat_id: str,
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
) -> None:
    """彻底删除目录（连同同批内容）。"""
    RecycleBinService(db).purge_category(cat_id, user)


@router.post("/knowledge-bases/{kb_id}/restore", status_code=204)
def restore_kb(
    kb_id: str,
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
) -> None:
    RecycleBinService(db).restore_kb(kb_id, user)


@router.delete("/knowledge-bases/{kb_id}", status_code=204)
def purge_kb(
    kb_id: str,
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
) -> None:
    """彻底删除知识库（全部文件+记录）。"""
    RecycleBinService(db).purge_kb(kb_id, user)


@router.post("/purge-expired")
def purge_expired(
    user: User = Depends(get_current_user),
    db: Session = Depends(get_db),
) -> dict:
    """手动触发：彻底清理所有已过保留期的内容。"""
    count = RecycleBinService(db).purge_expired()
    return {"purged": count}