// *****************************************************************************
// Copyright (C) 2019 Ericsson and others.
//
// This program and the accompanying materials are made available under the
// terms of the Eclipse Public License v. 2.0 which is available at
// http://www.eclipse.org/legal/epl-2.0.
//
// This Source Code may also be made available under the following Secondary
// Licenses when the conditions for such availability set forth in the Eclipse
// Public License v. 2.0 are satisfied: GNU General Public License, version 2
// with the GNU Classpath Exception which is available at
// https://www.gnu.org/software/classpath/license.html.
//
// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
// *****************************************************************************

import { inject, injectable } from '@theia/core/shared/inversify';
import URI from '@theia/core/lib/common/uri';
import { SingleTextInputDialog, SingleTextInputDialogProps, LabelProvider, codiconArray } from '@theia/core/lib/browser';

@injectable()
export class WorkspaceInputDialogProps extends SingleTextInputDialogProps {
    /**
     * The parent `URI` for the selection present in the explorer.
     * Used to display the path in which the file/folder is created at.
     */
    parentUri: URI;
}

export class WorkspaceInputDialog extends SingleTextInputDialog {

    constructor(
        @inject(WorkspaceInputDialogProps) protected override readonly props: WorkspaceInputDialogProps,
        @inject(LabelProvider) protected readonly labelProvider: LabelProvider,
    ) {
        super(props);
        this.appendParentPath();
    }

    /**
     * Append the human-readable parent `path` to the dialog.
     * When possible, display the relative path, else display the full path (ex: workspace root).
     */
    protected appendParentPath(): void {
        // Compute the label for the parent URI.
        const label = this.labelProvider.getLongName(this.props.parentUri);
        const element = document.createElement('div');
        // Create the `folder` icon.
        const icon = document.createElement('i');
        icon.classList.add(...codiconArray('folder'));
        icon.style.marginRight = '0.5em';
        icon.style.verticalAlign = 'middle';
        element.style.verticalAlign = 'middle';
        element.style.paddingBottom = '1em';
        element.title = this.props.parentUri.path.fsPath();
        element.appendChild(icon);
        element.appendChild(document.createTextNode(label));
        // Add the path and icon div before the `inputField`.
        this.contentNode.insertBefore(element, this.inputField);
    }
}