import { useContext, useEffect, useRef, useState } from "react";
import { useTranslation } from "react-i18next";
import { userContext } from "../../contexts/userContext";
import { deleteFileLib, readFileLibDatabase } from "../../controllers/API";
import { captureAndAlertRequestErrorHoc } from "../../controllers/request";
import { useTable } from "../../util/hook";
import {DropdownMenu, DropdownMenuTrigger, DropdownMenuContent, DropdownMenuItem} from "../../components/ui/dropdown-menu";
import CreateModal from "./components/createModel"
import RenameModal from "./components/renameModel"
import MoveModal from "./components/moveModel";
import addIcon from "../../assets/knowledge/add-icon.png";
import folderIcon from "../../assets/knowledge/folder-icon.png";
import knowledgeIcon from "../../assets/knowledge/knowledge-icon.png";
import duihuaGengduo from "../../assets/chat/duihua-gengduo.png";
import writeIcon from "../../assets/knowledge/write-icon.png";
import moveIcon from "../../assets/knowledge/move-icon.png";
import exportIcon from "../../assets/knowledge/export-icon.png";
import deleteIcon from "../../assets/knowledge/delete-icon.png";
import noFolderIcon from "../../assets/knowledge/no-folder-icon.png";
import { useNavigate } from "react-router-dom";
export default function FileLibPage() {
    const [open, setOpen] = useState(false);
    const [renameOpen, setRenameOpen] = useState(false);
    const [moveOpen, setMoveOpen] = useState(false);
    const { user } = useContext(userContext);
    const [parentId, setParentId] = useState('0')
    const [titleArray, setTitleArray] = useState([]);
    const [folderShow, setFolderShow] = useState(false)
    const [type, setType] = useState(1)
    const [data, setData] = useState({})
    const navigate = useNavigate()

    const { page, pageSize, data: datalist, total, loading, setPage, search, reload } = useTable({},(param) =>
        readFileLibDatabase(param.page, 10000, param.keyword, parentId)
    )

    useEffect(() => {
        reload()
    }, [])

    // Delete
    const { delShow, idRef, close, delConfirm } = useDelete();

    const handleDelete = () => {
        captureAndAlertRequestErrorHoc(deleteFileLib(idRef.current.id).then(res => {
            reload();
            close();
        }));
    }

    const handleDetail = (el) => {
        if(el.type == 1){
            reload();
            titleArray.push(el)
            setTitleArray(titleArray)
            setParentId(el.id)
        }else  if(el.type == 2){
            // @ts-ignore
            window.libname = el.name
            navigate("/filelib/" + el.id);
        }else if(el.type == 3){

        }
    }

    const backFolder = (parentId, index) => {
        setParentId(parentId)
        reload();
        if(index == -1){
            setTitleArray([])
        }else if(index == (titleArray.length - 1)){
            return;
        }else{
            titleArray.splice(index+1)
        }
    }

    // 进详情页前缓存 page, 临时方案
    const handleCachePage = () => {
        // @ts-ignore
        window.LibPage = page
    }
    useEffect(() => {
        // @ts-ignore
        const _page = window.LibPage
        if (_page) {
            setPage(_page);
            // @ts-ignore
            delete window.LibPage
        } else {
            setPage(1);
        }
    }, [])


    const { t } = useTranslation();

    return (
        <div className="w-full h-screen p-6 overflow-y-auto">
            {loading && <div className="absolute w-full h-full top-0 left-0 flex justify-center items-center z-10 bg-[rgba(255,255,255,0.6)] dark:bg-blur-shared">
                <span className="loading loading-infinity loading-lg"></span>
            </div>}

            <div className="w-full">
                <div className={'knowledge-header'}>
                    <div className={'knowledge-title'}>
                        {titleArray.length > 0?
                            <div className={"title-list"}>
                                <div className={"title-item"}>
                                    <label onClick={()=>backFolder('0', -1)}>{t("lib.rootDirectory")}</label>
                                </div>
                                {
                                    titleArray.map((title, index) => (
                                        <div className={"title-item"} key={title}>
                                            <span>{index <= (titleArray.length - 1)? ">" : ""}</span>
                                            <label onClick={()=>backFolder(title.id, index)}>{title.name}</label>
                                        </div>
                                    ))
                                }
                            </div>
                            :
                            t('lib.myKnowledge')
                        }
                    </div>
                    <div className={'knowledge-create-box'}>
                        <DropdownMenu>
                            <DropdownMenuTrigger>
                                <div className={'knowledge-create'} onClick={() => setOpen(true)}>
                                    <img src={addIcon} className={'create-icon'}/>
                                    <label>{t('lib.createNew')}</label>
                                </div>
                            </DropdownMenuTrigger>
                            <DropdownMenuContent>
                                <DropdownMenuItem onClick={()=>{
                                    setType(1)
                                    setOpen(true)
                                }}><img src={folderIcon} style={{width:'13px',height:'13px',marginRight:'8px'}}/>文件夹</DropdownMenuItem>
                                <DropdownMenuItem onClick={()=>{
                                    setType(2)
                                    setOpen(true)
                                }}><img src={knowledgeIcon} style={{width:'13px',height:'13px',marginRight:'8px'}}/>知识库</DropdownMenuItem>
                            </DropdownMenuContent>
                        </DropdownMenu>
                    </div>
                </div>
                {
                    datalist.length > 0 ?
                        <div className={"folder-list"}>
                            {datalist.map((el) => (
                                <div className={"folder-item"} key={el.id}>
                                    <div className={"folder-content-item"} onClick={() =>handleDetail(el)}>
                                        <div className={"folder-header"}>
                                            {
                                                el.type == 1?
                                                    <span className={"knowledge-img-bg"}>
                                                        <img src={el.type == 1? folderIcon :(el.img_url?el.img_url: knowledgeIcon )}/>
                                                    </span>
                                                : (
                                                    el.img_url?
                                                        <img src={knowledgeIcon} className={"knowledge-img"}/>
                                                    :
                                                    <span className={"knowledge-img-bg"}>
                                                        <img src={knowledgeIcon}/>
                                                    </span>
                                                )
                                            }
                                            <label>{el.name}</label>
                                            <DropdownMenu>
                                                <DropdownMenuTrigger>
                                                    <img src={duihuaGengduo} className={'more-button'}/>
                                                </DropdownMenuTrigger>
                                                <DropdownMenuContent>
                                                    <DropdownMenuItem onClick={(event)=>{
                                                        event.stopPropagation();
                                                        setData(el)
                                                        setRenameOpen(true)
                                                    }}><img src={writeIcon} style={{width:'13px',height:'13px',marginRight:'8px'}}/>{t("lib.rename")}</DropdownMenuItem>
                                                    <DropdownMenuItem onClick={(event)=>{
                                                        event.stopPropagation();
                                                        setData(el)
                                                        setMoveOpen(true)
                                                    }}><img src={moveIcon} style={{width:'13px',height:'13px',marginRight:'8px'}}/>{t("lib.move")}</DropdownMenuItem>
                                                    <DropdownMenuItem><img src={exportIcon} style={{width:'13px',height:'13px',marginRight:'8px'}}/>{t("code.export")}</DropdownMenuItem>

                                                    {user.role === 'admin' || user.user_id === el.user_id ?
                                                        <DropdownMenuItem  onClick={(event) => {
                                                            event.stopPropagation();
                                                            delConfirm(el)
                                                        }}>
                                                            <img src={deleteIcon} style={{width:'13px',height:'13px',marginRight:'8px'}}/>{t('delete')}
                                                        </DropdownMenuItem> :
                                                        ''
                                                    }

                                                </DropdownMenuContent>
                                            </DropdownMenu>
                                        </div>
                                        <div className={"folder-description"}>
                                            {el.type == 1 ? t("lib.foldDesc") :el.description}
                                        </div>
                                        <div className={"folder-type"}>{el.type == 1?t('lib.folder'):el.type == 2?t('lib.universalKnowledgeBase'):t('lib.webSite')}</div>
                                    </div>
                                </div>
                            ))}
                        </div>
                    :
                        <div  className={"no-folder"}>
                            <img src={noFolderIcon}/>
                            <p>{t('lib.noKnowledgeBase')}</p>
                        </div>
                }

            </div>

            <CreateModal reload={reload} createType={type} parentId={parentId} datalist={datalist} open={open} setOpen={setOpen}></CreateModal>
            <RenameModal  reload={reload} data={data} open={renameOpen} setOpen={setRenameOpen}></RenameModal>
            <MoveModal  reload={reload} data={data} open={moveOpen} setOpen={setMoveOpen} ></MoveModal>

            <dialog className={`modal ${delShow && 'modal-open'}`}>
                <form method="dialog" className="modal-box w-[360px] bg-[#fff] shadow-lg dialog-box">
                    <h3 className="tip-title">{t('prompt')}</h3>
                    <p className="tip-message">{t('lib.confirmDeleteLibrary')}</p>
                    <div className={"button-box"}>
                        <button className={"cancel-button tip-button"} onClick={close}>{t("cancel")}</button>
                        <button className={"confirm-button delete-button tip-button-margin"} onClick={handleDelete}>{t("lib.confirmDelete")}</button>
                    </div>
                </form>
            </dialog>
        </div>
    );
}



const useDelete = () => {
    const [delShow, setDelShow] = useState(false)
    const idRef = useRef<any>(null)

    return {
        delShow,
        idRef,
        close: () => {
            setDelShow(false)
        },
        delConfirm: (id) => {
            idRef.current = id
            setDelShow(true)
        }
    }
}