/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the Source EULA. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/

'use strict';

import 'mocha';
import * as vscode from 'vscode';
import * as azdata from 'azdata';
import * as mssql from '../../mssql';
import * as utils from './utils';
import * as uuid from 'uuid';
import { context } from './testContext';
import assert = require('assert');
import { getStandaloneServer, TestServerProfile, getBdcServer } from './testConfig';

let cmsService: mssql.ICmsService;
let server: TestServerProfile;
let connectionId: string;
let ownerUri: string;
const SERVER_CONNECTION_TIMEOUT: number = 3000;
const TEST_CMS_NAME = `adsTestCms_${uuid.v4()}`;
const TEST_CMS_GROUP = `adsTestCmsGroup_${uuid.v4()}`;
const TEST_CMS_SERVER = `adsTestCmsServer_${uuid.v4()}`;
const TEST_CMS_REG_SERVER = `adsTestCmsRegisteredServer_${uuid.v4()}`;

if (context.RunTest) {
	suite('CMS integration test suite', () => {

		setup(async function () {
			// Set up CMS provider
			if (!cmsService) {
				cmsService = ((await vscode.extensions.getExtension(mssql.extension.name).activate() as mssql.IExtension)).cmsService;
				assert(cmsService !== undefined);
			}

			// Set up connection
			if (!server) {
				server = await getStandaloneServer();
				connectionId = await utils.connectToServer(server, SERVER_CONNECTION_TIMEOUT);
				ownerUri = await azdata.connection.getConnectionString(connectionId, true);
				console.log('Start CMS tests');
			}
			if (!ownerUri) {
				ownerUri = await azdata.connection.getConnectionString(connectionId, true);
			}
		});

		test('Create CMS Server', async function () {
			// Should fail
			await utils.assertThrowsAsync(
				async () => await cmsService.createCmsServer(undefined, 'test_description', undefined, ownerUri),
				'Cannot add a CMS server without a name or connection');
			let connection = {
				serverName: server.serverName,
				userName: server.userName,
				password: server.password,
				authenticationType: server.authenticationTypeName,
				database: server.database,
				provider: server.provider,
				version: server.version,
				engineType: server.engineType,
				options: {}
			};

			// Should create a CMS Server without an error
			await cmsService.createCmsServer(TEST_CMS_NAME, 'test_description', connection, ownerUri);
		});

		test('Add and delete registered group to/from CMS server', async function () {
			await utils.assertThrowsAsync(
				async () => await cmsService.addServerGroup(ownerUri, '', undefined, 'test_description'),
				'Cannot add a server group without a name');

			// Should create a server group
			let result = await cmsService.addServerGroup(ownerUri, '', TEST_CMS_GROUP, 'test_description');
			assert(result === true, `Server group ${TEST_CMS_GROUP} was not added to CMS server successfully`);

			let existingRegisteredServerGroupCount = (await cmsService.getRegisteredServers(ownerUri, '')).registeredServerGroups.length;

			// Shouldn't be able to create a new server group with same name
			await utils.assertThrowsAsync(
				async () => await cmsService.addServerGroup(ownerUri, '', TEST_CMS_GROUP, 'test_description'),
				'Cannot add a server group with existing name');

			let cmsResources = await cmsService.getRegisteredServers(ownerUri, '');
			assert(cmsResources.registeredServerGroups.length === existingRegisteredServerGroupCount,
				`Unexpected number of Registered Server Groups after attempting to add group that already exists. Groups : [${cmsResources.registeredServerGroups.map(g => g.name).join(', ')}]`);

			// Should remove the server group we added above
			let deleteResult = await cmsService.removeServerGroup(ownerUri, '', TEST_CMS_GROUP);
			assert(deleteResult === true, `Server group ${TEST_CMS_GROUP} was not removed successfully`);

			cmsResources = await cmsService.getRegisteredServers(ownerUri, '');
			assert(cmsResources.registeredServerGroups.find(g => g.name === TEST_CMS_GROUP) === undefined,
				`The server group ${TEST_CMS_GROUP} was not removed successfully. Groups : [${cmsResources.registeredServerGroups.map(g => g.name).join(', ')}]`);
		});

		test('Add and delete registered server to/from CMS server', async function () {

			await utils.assertThrowsAsync(
				async () => cmsService.addRegisteredServer(ownerUri, '', undefined, 'test_description', undefined),
				'Cannot add a registered without a name or connection');

			let bdcServer = await getBdcServer();
			let bdcConnection = {
				serverName: bdcServer.serverName,
				userName: bdcServer.userName,
				password: bdcServer.password,
				authenticationType: bdcServer.authenticationTypeName,
				database: bdcServer.database,
				provider: bdcServer.provider,
				version: bdcServer.version,
				engineType: bdcServer.engineType,
				options: {}
			};

			// Should create a registered server
			let result = await cmsService.addRegisteredServer(ownerUri, '', TEST_CMS_SERVER, 'test_description', bdcConnection);
			assert(result === true, `Registered server ${TEST_CMS_SERVER} was not added to CMS server successfully`);

			// Shouldn't be able to create a new registered server with same name
			await utils.assertThrowsAsync(
				async () => await cmsService.addRegisteredServer(ownerUri, '', TEST_CMS_SERVER, 'test_description', bdcConnection),
				'Cannot add a registered server with existing name');

			// Should remove the registered server we added above
			let deleteResult = await cmsService.removeRegisteredServer(ownerUri, '', TEST_CMS_SERVER);
			assert(deleteResult === true, `Registered server ${TEST_CMS_SERVER} was not removed correctly`);
		});

		test('Add and delete registered server to/from server group', async function () {

			// Should create a server group
			let result = await cmsService.addServerGroup(ownerUri, '', TEST_CMS_GROUP, 'test_description');
			assert(result === true, `Server group ${TEST_CMS_GROUP} was not created successfully`);

			// Make sure server group is created
			let cmsResources = await cmsService.getRegisteredServers(ownerUri, '');
			assert(cmsResources.registeredServerGroups.find(g => g.name === TEST_CMS_GROUP),
				`Registered Server Group ${TEST_CMS_GROUP} was not found after being added. Groups : [${cmsResources.registeredServerGroups.map(g => g.name).join(', ')}]`);

			// Should create a registered server under the group
			let bdcServer = await getBdcServer();
			let bdcConnection = {
				serverName: bdcServer.serverName,
				userName: bdcServer.userName,
				password: bdcServer.password,
				authenticationType: bdcServer.authenticationTypeName,
				database: bdcServer.database,
				provider: bdcServer.provider,
				version: bdcServer.version,
				engineType: bdcServer.engineType,
				options: {}
			};
			let relativePath = cmsResources.registeredServerGroups[0].relativePath;

			result = await cmsService.addRegisteredServer(ownerUri, relativePath, TEST_CMS_REG_SERVER, 'test_description', bdcConnection);
			assert(result === true, `Registered server ${TEST_CMS_REG_SERVER} was not added to server group successfully`);

			// Should remove the server group we added above
			let deleteResult = await cmsService.removeServerGroup(ownerUri, '', TEST_CMS_GROUP);
			assert(deleteResult === true, `Server group ${TEST_CMS_GROUP} was not deleted from CMS server successfully`);
		});
	});
}