package org.metricshub.winrm.wql;
   
   /*-
    * ╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲╱╲
    * WinRM Java Client
    * ჻჻჻჻჻჻
    * Copyright 2023 - 2024 Metricshub
    * ჻჻჻჻჻჻
    * 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 java.nio.file.Path;
  import java.util.List;
  import java.util.Map;
  import java.util.concurrent.TimeoutException;
  import java.util.stream.Collectors;
  import org.metricshub.winrm.Utils;
  import org.metricshub.winrm.WinRMHttpProtocolEnum;
  import org.metricshub.winrm.WmiHelper;
  import org.metricshub.winrm.exceptions.WinRMException;
  import org.metricshub.winrm.exceptions.WqlQuerySyntaxException;
  import org.metricshub.winrm.service.WinRMEndpoint;
  import org.metricshub.winrm.service.WinRMService;
  import org.metricshub.winrm.service.client.auth.AuthenticationEnum;
  
  public class WinRMWqlExecutor {
  
  	private final long executionTime;
  	private final List<String> headers;
  	private final List<List<String>> rows;
  
  	/**
  	 * The WinRMWqlExecutor constructor
  	 *
  	 * @param executionTime The execution time in milliseconds
  	 * @param headers The headers list
  	 * @param rows The value rows list
  	 */
  	public WinRMWqlExecutor(final long executionTime, final List<String> headers, final List<List<String>> rows) {
  		this.executionTime = executionTime;
  		this.headers = headers;
  		this.rows = rows;
  	}
  
  	/**
  	 * Get the execution time of the query.
  	 * @return
  	 */
  	public long getExecutionTime() {
  		return executionTime;
  	}
  
  	/**
  	 * Get the headers of the query.
  	 * @return
  	 */
  	public List<String> getHeaders() {
  		return headers;
  	}
  
  	/**
  	 * Get the result rows of the query.
  	 * @return
  	 */
  	public List<List<String>> getRows() {
  		return rows;
  	}
  
  	/**
  	 * Execute a WQL query and process its result.
  	 *
  	 * @param protocol The HTTP protocol (HTTP by default)
  	 * @param hostname Host to connect to. (Mandatory)
  	 * @param port The port (5985 for HTPP or 5986 for HTTPS by default)
  	 * @param username The username name. (Mandatory)
  	 * @param password The password
  	 * @param namespace The namespace default value: {@value WmiHelper#DEFAULT_NAMESPACE}
  	 * @param wqlQuery The WQL query (Mandatory)
  	 * @param timeout The timeout in milliseconds (throws an IllegalArgumentException if negative or zero)
  	 * @param ticketCache The Ticket Cache path
  	 * @param authentications List of authentications. only NTLM if absent
  	 *
  	 * @return WinRMWqlExecutor result instance with header, rows and execution time.
  	 *
  	 * @throws WinRMException For any problem encountered on remote
  	 * @throws WqlQuerySyntaxException On WQL syntax errors
  	 * @throws TimeoutException To notify userName of timeout
  	 */
 	public static WinRMWqlExecutor executeWql(
 		final WinRMHttpProtocolEnum protocol,
 		final String hostname,
 		final Integer port,
 		final String username,
 		final char[] password,
 		final String namespace,
 		final String wqlQuery,
 		final long timeout,
 		final Path ticketCache,
 		final List<AuthenticationEnum> authentications
 	) throws WinRMException, WqlQuerySyntaxException, TimeoutException {
 		Utils.checkNonNull(wqlQuery, "wqlQuery");
 		Utils.checkArgumentNotZeroOrNegative(timeout, "timeout");
 
 		final long start = Utils.getCurrentTimeMillis();
 
 		final WinRMEndpoint winRMEndpoint = new WinRMEndpoint(protocol, hostname, port, username, password, namespace);
 
 		try (
 			final WinRMService winRMService = WinRMService.createInstance(
 				winRMEndpoint,
 				timeout,
 				ticketCache,
 				authentications
 			)
 		) {
 			final List<Map<String, Object>> result = winRMService.executeWql(wqlQuery, timeout);
 
 			// Extract the list of properties from the result, with same order as in the WQL query
 			final List<String> headers = WmiHelper.extractPropertiesFromResult(result, wqlQuery);
 
 			final List<List<String>> rows = result
 				.stream()
 				.map(row -> headers.stream().map(header -> (String) row.get(header)).collect(Collectors.toList()))
 				.collect(Collectors.toList());
 
 			return new WinRMWqlExecutor(Utils.getCurrentTimeMillis() - start, headers, rows);
 		}
 	}
 }