'use strict';

import * as child_process from "child_process";
import * as path from 'path';
import * as lsclient from 'vscode-languageclient/node';

suite('Client integration', () => {

	const serverModule = path.join(__dirname, './servers/testServer.js');
	const documentSelector: lsclient.DocumentSelector = [{ scheme: 'lsptests', language: 'bat' }];
	const middleware = {};
	const clientOptions: lsclient.LanguageClientOptions = {
		documentSelector,
		synchronize: {},
		initializationOptions: {},
		middleware
	};

	test.only('Can dispose and re-create language server', async () => {
		while (true) {
			const process = child_process.spawn(`node`, [serverModule, '--stdio']);
			process.stderr.on("data", (data) => console.error(data.toString()));
			process.on("exit", () => console.log(`LSP Server quit!`));

			console.log(`Creating server`);
			const client = new lsclient.LanguageClient(
				'test svr',
				'Test Language Server',
				() => Promise.resolve({ reader: process.stdout, writer: process.stdin }),
				clientOptions,
			);

			console.log(`Starting server`);
			const disp = client.start();

			console.log(`Waiting for server to be ready`);
			await client.onReady();

			console.log(`Waiting a little while before disposing...`);
			await new Promise((resolve) => setTimeout(resolve, 1000));

			console.log(`Disposing server`);
			disp.dispose();

			await new Promise((resolve) => setTimeout(resolve, 1000));
			console.log(`...`);
		}
	}).timeout(99999);
});