/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import * as vscode from 'vscode';
import * as fs from 'fs';
import * as path from 'path';

export class DevtoolsProvider implements vscode.WebviewViewProvider {
  private context: vscode.ExtensionContext;
  constructor(context: vscode.ExtensionContext) {
    this.context = context;
  }
  private _view?: vscode.WebviewView;
  resolveWebviewView(
    webviewView: vscode.WebviewView,
    context: vscode.WebviewViewResolveContext,
    token: vscode.CancellationToken,
  ): Thenable<void> | void {
    this._view = webviewView;
    webviewView.webview.options = {
      enableScripts: true,
      localResourceRoots: [this.context.extensionUri],
    };

    const htmlPath = vscode.Uri.joinPath(this.context.extensionUri, 'src', 'devtools.html');
    webviewView.webview.html = fs.readFileSync(htmlPath.fsPath, 'utf8');
  }
  public async showHtmlContent(uri: vscode.Uri) {
    try {
      const content = await fs.promises.readFile(uri.fsPath, 'utf-8');
      this._view!.webview.html = content;
    } catch (error) {
      vscode.window.showErrorMessage(`can not resolve targe file: ${error}`);
    }
  }
}