"""门户进入文档库。"""
from fastapi import APIRouter, Depends, File, Form, Query, UploadFile
from sqlalchemy.orm import Session

from app.core.database import get_db
from app.core.doclib_upload_route import DoclibRoute
from app.schemas.doclib import DeleteFilesBody, FolderCreateBody, FolderUpdateBody, ShareBody
from app.services.doclib_service import DoclibService
from app.services.doclib_storage import download_document, upload_document

from app.core.auth import get_current_user
from app.core.response import error_response, success_response
from app.services.doclib_sso import consume_ticket, open_session

router = APIRouter(tags=["文档库"], route_class=DoclibRoute)


@router.post("/web/doclib/sso")
def doclib_sso(user: dict = Depends(get_current_user)):
    """当前门户用户换取文档库一次性进入地址。所有已登录角色都可调用。"""
    try:
        data = open_session(user["user_id"], user.get("real_name") or user.get("username") or "")
    except Exception as exc:
        return error_response(502, str(exc) or "无法连接文档库")
    return success_response(data)


@router.get("/public/doclib/exchange")
def doclib_exchange(code: str = ""):
    """文档库页面用一次性票据换登录会话。票据 60 秒内只能用一次。"""
    login = consume_ticket(code)
    if not login:
        return error_response(400, "进入票据无效或已过期")
    return success_response(login)


# 门户内文档库复用此路由；上面的旧 SSO 接口保留用于迁移期间兼容。
def service(db: Session = Depends(get_db), user: dict = Depends(get_current_user)):
    return DoclibService(db, user)


@router.get('/web/doclib/tree')
def document_tree(svc: DoclibService = Depends(service)):
    return success_response(svc.tree())


@router.get('/web/doclib/users')
def document_users(keyword: str = Query('', max_length=100), svc: DoclibService = Depends(service)):
    return success_response(svc.users(keyword))


@router.get('/web/doclib/files')
def document_list(scope: str = 'mine', folderId: str = Query('', max_length=64),
                  keyword: str = Query('', max_length=255), page: int = Query(1, ge=1),
                  pageSize: int = Query(20, ge=1, le=100), svc: DoclibService = Depends(service)):
    return success_response(svc.list_files(scope, folderId, keyword, page, pageSize))


@router.post('/web/doclib/folders')
def create_document_folder(body: FolderCreateBody, svc: DoclibService = Depends(service)):
    return success_response(svc.create_folder(body.name, body.parentId))


@router.put('/web/doclib/folders/{folder_id}')
def rename_document_folder(folder_id: str, body: FolderUpdateBody, svc: DoclibService = Depends(service)):
    return success_response(svc.rename_folder(folder_id, body.name))


@router.delete('/web/doclib/folders/{folder_id}')
def delete_document_folder(folder_id: str, svc: DoclibService = Depends(service)):
    svc.delete_folder(folder_id)
    return success_response()


@router.post('/web/doclib/upload')
def upload_document_file(file: UploadFile = File(...), folderId: str = Form(''),
                         svc: DoclibService = Depends(service)):
    try:
        return success_response(upload_document(svc, file, folderId))
    finally:
        file.file.close()


@router.post('/web/doclib/files/batch-delete')
def delete_document_files(body: DeleteFilesBody, svc: DoclibService = Depends(service)):
    svc.delete_files(body.ids)
    return success_response()


@router.get('/web/doclib/files/{file_id}')
def document_detail(file_id: str, svc: DoclibService = Depends(service)):
    return success_response(svc.get_file(file_id))


@router.put('/web/doclib/files/{file_id}/shares')
def share_document(file_id: str, body: ShareBody, svc: DoclibService = Depends(service)):
    return success_response(svc.set_shares(file_id, body.userIds))


@router.get('/web/doclib/files/{file_id}/download')
def download_document_file(file_id: str, svc: DoclibService = Depends(service)):
    return download_document(svc, file_id)