import molecule from '@dtinsight/molecule';
import {
    BuiltInEditorTabDataType,
    FileTypes,
    Float, IEditorTab,
    IFolderTreeNodeProps,
    TreeNodeModel
} from '@dtinsight/molecule/esm/model';
import { transformToEditorTab } from '../../common';

import {cloneDeep, forEach} from 'lodash';
import API from '../../api';
import {LoadingTab, STATUS_BAR_LANGUAGE} from './base';
import {folderTree} from "@dtinsight/molecule/esm/molecule.api";
import {store} from "../../redux/store";
import notification from "../../components/notification";
import {message} from "antd";

const extToLang:{[prop:string]: string} = {
    'html': 'html',
    'js': 'javascript',
    'ts': 'typescript',
    'java': 'java',
    'py': 'python',
    'cpp': 'cpp',
    'json': 'json',
    'xml': 'xml',
    'md': 'markdown'
}

export async function initFolderTree() {
    store.subscribe(async () => {
        if (store.getState().loadProject.isLoading) {
            const groups = molecule.editor.getState().groups
            const hide = message.loading('Please wait, Project is loading...', 0)
            const res = await API.getFolderTree();
            hide()
            groups?.forEach((group) => {
                molecule.editor.closeAll(group.id)
            })
            if (res.id === 'error') {
                message.error(res.data.description)
            }
            else message.success('Loading is Complete')
            if (!store.getState().loadProject.isLoading && store.getState().loadProject.isValid) {
                const folderTreeData = cloneDeep(res);
                molecule.folderTree.reset();
                molecule.folderTree.add(folderTreeData);
            }
        }
    })
}

export function handleSelectFolderTree() {
    molecule.folderTree.onSelectFile((file: IFolderTreeNodeProps) => {
        molecule.editor.open(transformToEditorTab(file))
        updateStatusBarLanguage(file.data.language);
    });
}

export  function handleRenameFile(){
    molecule.folderTree.onUpdateFileName(file => {
        const {name, id, location, data} = file
        const frag = name!.split('.');
        const parentNode = molecule.folderTree.getParentNode(id);
        let count = -1;
        if (parentNode && parentNode.children){
            parentNode.children.forEach(((value) => value.name === name?count++:count+=0))
        }
        if (count>0) frag![0] = frag![0] + `(${count})`;
        const newName = frag.join('.');
        const ext = frag[frag.length-1];
        const newLang = extToLang[ext] || 'file'
        const newLoc = location?.split('/') || [];
        newLoc[newLoc.length - 1] = newName;
        const newLocation = newLoc.join('/');
        const newFile = {
            ...file,
            id,
            name: newName,
            location: newLocation,
            isEditable: false,
            data: {
                ...data,
                language: newLang
            }
        };
        folderTree.update(newFile);
        const groupId = molecule.editor.getGroupIdByTab(id.toString());
        const isValidGroupId = !!groupId || groupId === 0;
        if (isValidGroupId) {
            const prevTab =
                molecule.editor.getTabById<BuiltInEditorTabDataType>(
                    id.toString(),
                    groupId
                );
            const newTab: IEditorTab = { id: id.toString(), name , breadcrumb: transformToEditorTab(newFile).breadcrumb};
            const prevTabData = prevTab?.data;
            newTab.data = { ...prevTabData, language: newLang};
            if (molecule.editor.getState().current?.activeTab === id.toString()) {
                updateStatusBarLanguage(newLang);
            }
            molecule.editor.updateTab(newTab);
        }
    })
}

export function handleNewFile(){
    molecule.folderTree.onCreate((type, nodeId) => {
        if (type == 'Folder'){
            molecule.folderTree.add(
                new TreeNodeModel({
                    id: `${nodeId}_${new Date().getTime()}`,
                    name: '',
                    isLeaf: false,
                    fileType: FileTypes.Folder,
                    isEditable: true,
                    data: {
                    }
                }), nodeId
            );
        }
        else {
            molecule.folderTree.add(
                new TreeNodeModel({
                    id: `${nodeId}_${new Date().getTime()}`,
                    name: '',
                    isLeaf: type === FileTypes.File,
                    fileType: type,
                    isEditable: true,
                    data: {
                    }
                }), nodeId
            );
        }
    })
}
export function updateStatusBarLanguage(language: string) {
    if (!language) return;
    language = language.toUpperCase();
    const languageStatusItem = molecule.statusBar.getStatusBarItem(STATUS_BAR_LANGUAGE.id, Float.right);
    if (languageStatusItem) {
        languageStatusItem.name = language;
        molecule.statusBar.update(languageStatusItem, Float.right);
    } else {
        molecule.statusBar.add(Object.assign({}, STATUS_BAR_LANGUAGE, { name: language } ), Float.right);
    }
}

export function handleStatusBarLanguage() {
    const moleculeEditor = molecule.editor;
    moleculeEditor.onSelectTab((tabId, groupId) => {
        if (!groupId) return;
        const group = moleculeEditor.getGroupById(groupId);
        if (!group) return;
        const tab: any = moleculeEditor.getTabById(tabId, group.id!);
        if (tab) {
            updateStatusBarLanguage(tab.data!.language!);
        }
    })
}