/**
 * @author Martin Karkowski
 * @email m.karkowski@zema.de
 * @create date 2020-03-31 18:06:27
 * @modify date 2020-10-29 17:38:16
 * @desc [description]
 */

import { IHotKeyAction } from '../../layout/layout';

export function defaultHotkeys<D>() {

    function selectElements(data) {
        let selected: string[] = data.network.network.getSelectedNodes();

        if (selected.length === 0) {
            const node = data.network.network.getNodeAt(data.layout.currentMousePosition);
            selected = node ? [node] : [];
        }

        if (selected.length === 0) {
            const node = data.network.network.getEdgeAt(data.layout.currentMousePosition);
            selected = node ? [node] : [];
        }

        return selected;
    }

    const hotkeys: IHotKeyAction<any>[] = [
        {
            key: 'ShiftLeft',
            async onPress(data) {
                try {
                    while (data.layout.pressedKey === 'ShiftLeft') {
                        await data.network.userAddEdge();
                    }
                } catch (error) {
                    data.network.disableEditMode();
                }
            },
            async onRelease(data){
                data.network.disableEditMode();
            }
        },
        {
            key: 'ControlLeft',
            async onPress(data) {
                try {
                    while (data.layout.pressedKey === 'ControlLeft') {
                        await data.network.userAddNode();
                    }
                } catch (error) {
                    data.network.disableEditMode();
                }
            },
            async onRelease(data){
                data.network.disableEditMode();
            }
        },        
        {
            key: 'Delete',
            onPress(data) {
                let selected: string[] = selectElements(data);
                data.network.network.deleteSelected(selected);
            }
        },
        {
            key: 'space',
            onPress(data) {
                let selected: string[] = selectElements(data);
                for (const id of selected) {
                    if (typeof data.network.network.clusters[id] === 'function') {
                        data.network.network.clusters[id]();
                    } else {
                        // clusterNode(id);
                        data.network.network.unselectAll();
                    }
                }
            }
        },
        {
            key: 'Esc',
            onPress(data){
                data.network.network.disableEditMode();
            }
        },
        {
            key: 'KeyR',
            onPress(data){
                data.network.network.redraw();
            }
        },
        {
            key: 'KeyE',
            onPress(data){
                data.network.network.enableEditMode();
            }
        },
        {
            key: 'KeyF',
            onPress(data){
                data.network.fit();
            }
        }        
    ]

    return hotkeys;
 }