// The module 'vscode' contains the VS Code extensibility API
// Import the module and reference it with the alias vscode in your code below
const vscode = require('vscode');

// this method is called when your extension is activated
// your extension is activated the very first time the command is executed

/**
 * @param {vscode.ExtensionContext} context
 */
function activate(context) {
	// Use the console to output diagnostic information (console.log) and errors (console.error)
	// This line of code will only be executed once when your extension is activated
	console.log('Congratulations, your extension "helloworld-minimal-sample" is now active!');

	// The command has been defined in the package.json file
	// Now provide the implementation of the command with  registerCommand
	// The commandId parameter must match the command field in package.json
	let disposable = vscode.commands.registerCommand('extension.helloWorld', async () => {
		// The code you place here will be executed every time your command is executed

		const quickpick = vscode.window.createQuickPick();
		quickpick.items = [{ label: 'step 1' }];

		void (await new Promise(resolve => {
				quickpick.onDidAccept(() => {
						console.log(quickpick.selectedItems.map(i => i.label).join(', '));

						if (quickpick.selectedItems.length === 0) return;

						if (quickpick.selectedItems[0].label === 'step 1') {
								quickpick.value = '';
								quickpick.canSelectMany = true;
								quickpick.items = [{ label: 'a' }, { label: 'b' }, { label: 'c' }];
								// If I uncomment this it will fix the bug
								// quickpick.selectedItems = [];
						}
						else {
								resolve();
						}
				});

				quickpick.show();
		}));

		quickpick.hide();
	});

	context.subscriptions.push(disposable);
}

// this method is called when your extension is deactivated
function deactivate() {}

// eslint-disable-next-line no-undef
module.exports = {
	activate,
	deactivate
}