Files
GseTDDUebungKCLR/src/main/java/hhn/temp/project/UserCommands.java

445 lines
15 KiB
Java

package hhn.temp.project;
import java.util.Scanner;
import java.util.concurrent.atomic.AtomicBoolean;
public class UserCommands implements Runnable {
private Scanner scanner;
private AssignmentManager manager;
private Integer selectedTaskId = null;
private Integer selectedWorkerId = null;
private AtomicBoolean running = new AtomicBoolean(false);
private Thread cliThread;
private enum InputState {
MAIN_MENU,
TASK_SELECTED,
WORKER_SELECTED,
AWAITING_EDIT_INPUT,
AWAITING_CREATE_TASK_WORKER,
AWAITING_CREATE_TASK_NAME,
AWAITING_CREATE_TASK_DESC,
AWAITING_CREATE_WORKER_NAME,
AWAITING_TASK_SELECTION
}
private InputState currentState = InputState.MAIN_MENU;
private Integer tempWorkerId = null;
private String tempTaskName = null;
public UserCommands(AssignmentManager manager) {
this.manager = manager;
}
@Override
public void run() {
scanner = new Scanner(System.in);
running.set(true);
while (running.get()) {
printPrompt();
String input = scanner.nextLine().trim();
if ("exit".equalsIgnoreCase(input)) {
stop();
continue;
}
handleInput(input);
}
scanner.close();
}
public void start() {
if (cliThread == null || !cliThread.isAlive()) {
cliThread = new Thread(this, "CLI-Thread");
cliThread.start();
}
}
public void stop() {
running.set(false);
if (cliThread != null) {
cliThread.interrupt();
}
}
private void printPrompt() {
if (!running.get()) return;
switch (currentState) {
case MAIN_MENU:
System.out.println("Type '?' or 'help' for a list of commands");
break;
case TASK_SELECTED:
System.out.println("Task " + selectedTaskId + " selected. Commands: finish, unfinish, remove, edit, back");
break;
case WORKER_SELECTED:
if (selectedWorkerId != null) {
System.out.println("Worker " + selectedWorkerId + " selected. Commands: remove, back");
} else {
System.out.println("Enter worker ID to select (or 'back'):");
}
break;
case AWAITING_EDIT_INPUT:
System.out.println("Enter new name;description:");
break;
case AWAITING_CREATE_WORKER_NAME:
System.out.println("Enter worker name:");
break;
case AWAITING_CREATE_TASK_WORKER:
System.out.println("Enter worker ID:");
break;
case AWAITING_CREATE_TASK_NAME:
System.out.println("Enter task name:");
break;
case AWAITING_CREATE_TASK_DESC:
System.out.println("Enter task description:");
break;
}
System.out.print("> ");
}
public void handleInput(String input) {
if (input == null || input.isEmpty()) {
return;
}
if ("?".equals(input) || "help".equalsIgnoreCase(input)) {
showHelp();
return;
}
try {
switch (currentState) {
case MAIN_MENU:
handleMainMenuInput(input);
break;
case TASK_SELECTED:
handleTaskSelectionInput(input);
break;
case WORKER_SELECTED:
handleWorkerSelectionInput(input);
break;
case AWAITING_EDIT_INPUT:
handleEditInput(input);
break;
case AWAITING_CREATE_TASK_WORKER:
handleCreateTaskWorkerInput(input);
break;
case AWAITING_CREATE_TASK_NAME:
handleCreateTaskNameInput(input);
break;
case AWAITING_CREATE_TASK_DESC:
handleCreateTaskDescInput(input);
break;
case AWAITING_CREATE_WORKER_NAME:
handleCreateWorkerNameInput(input);
break;
case AWAITING_TASK_SELECTION:
handleTaskIdInput(input);
break;
}
} catch (Exception e) {
System.out.println("Error: " + e.getMessage());
resetToMainMenu();
}
}
private void showHelp() {
System.out.println("=== Available Commands ===");
System.out.println("General:");
System.out.println(" help, ? - Show this help");
System.out.println(" exit - Exit the program");
System.out.println(" createworker - Create a new worker");
System.out.println(" createtask - Create a new task");
System.out.println(" selecttask - Select a task to work with");
System.out.println(" listworkers - List all workers");
System.out.println(" listtasks - List all tasks with status");
System.out.println(" listfinished - List only finished tasks");
System.out.println(" listunfinished - List only unfinished tasks");
System.out.println("\nWhen a task is selected:");
System.out.println(" finish - Mark task as finished");
System.out.println(" unfinish - Mark task as unfinished");
System.out.println(" remove - Remove the task");
System.out.println(" edit - Edit task name and description");
System.out.println(" back - Return to main menu");
System.out.println("\nWhen a worker is selected:");
System.out.println(" remove - Remove the worker");
System.out.println(" back - Return to main menu");
}
private void handleMainMenuInput(String input) {
switch (input.toLowerCase()) {
case "createworker":
System.out.println("Enter worker name:");
currentState = InputState.AWAITING_CREATE_WORKER_NAME;
break;
case "createtask":
System.out.println("Enter worker ID:");
currentState = InputState.AWAITING_CREATE_TASK_WORKER;
break;
case "selecttask":
System.out.println("Enter task ID:");
currentState = InputState.AWAITING_TASK_SELECTION;
break;
case "listworkers":
listWorkers();
break;
case "listtasks":
listAllTasks();
break;
case "listfinished":
listTasksByStatus(TaskState.FINISHED);
break;
case "listunfinished":
listTasksByStatus(TaskState.IN_PROGRESS);
break;
default:
System.out.println("Unknown command. Type 'help' for available commands.");
}
}
private void listWorkers() {
System.out.println("\nAvailable workers:");
if (manager.getWorkerMap().isEmpty()) {
System.out.println(" No workers found.");
} else {
for (Worker w : manager.getWorkerMap().values()) {
System.out.println(" " + w.getId() + ": " + w.getName());
}
}
System.out.println();
}
private void listAllTasks() {
System.out.println("\nAll tasks:");
if (manager.getTaskMap().isEmpty()) {
System.out.println(" No tasks found.");
} else {
for (Task task : manager.getTaskMap().values()) {
Worker worker = manager.getWorker(task.getWorkerId());
String status = task.getTaskState() == TaskState.FINISHED ? "[FINISHED]" : "[IN PROGRESS]";
System.out.println(String.format(" %d: %s - %s (Worker: %d - %s)",
task.getTaskId(), status, task.getName(),
worker.getId(), worker.getName()));
}
}
System.out.println();
}
private void listTasksByStatus(TaskState status) {
System.out.println("\nTasks with status: " + status);
boolean found = false;
for (Task task : manager.getTaskMap().values()) {
if (task.getTaskState() == status) {
Worker worker = manager.getWorker(task.getWorkerId());
System.out.println(String.format(" %d: %s (Worker: %d - %s)",
task.getTaskId(), task.getName(),
worker.getId(), worker.getName()));
found = true;
}
}
if (!found) {
System.out.println(" No tasks found with this status.");
}
System.out.println();
}
private void handleWorkerSelectionInput(String input) {
if ("back".equalsIgnoreCase(input)) {
resetToMainMenu();
return;
}
try {
int workerId = Integer.parseInt(input.trim());
Worker worker = manager.getWorker(workerId);
if (worker != null) {
selectedWorkerId = workerId;
System.out.println("Worker " + workerId + " (" + worker.getName() + ") selected");
System.out.println("Commands: remove, back");
} else {
System.out.println("Worker not found. Please enter a valid worker ID:");
}
} catch (NumberFormatException e) {
if (selectedWorkerId != null) {
handleWorkerCommand(input);
} else {
System.out.println("Invalid input. Please enter a worker ID or 'back':");
}
}
}
private void handleWorkerCommand(String input) {
switch (input.toLowerCase()) {
case "remove":
manager.removeWorker(selectedWorkerId);
System.out.println("Worker removed");
resetToMainMenu();
break;
case "back":
resetToMainMenu();
break;
default:
System.out.println("Unknown command. Available commands: remove, back");
}
}
private void handleCreateWorkerNameInput(String input) {
int workerId = manager.createWorker(input.trim());
System.out.println("Created worker with ID: " + workerId);
resetToMainMenu();
}
private void handleTaskIdInput(String input) {
if ("back".equalsIgnoreCase(input)) {
resetToMainMenu();
return;
}
try {
int taskId = Integer.parseInt(input.trim());
Task task = manager.getTask(taskId);
if (task != null) {
selectedTaskId = taskId;
currentState = InputState.TASK_SELECTED;
System.out.println("Task " + taskId + " (" + task.getName() + ") selected");
System.out.println("Commands: finish, unfinish, remove, edit, back");
} else {
System.out.println("Task not found. Please enter a valid task ID:");
}
} catch (NumberFormatException e) {
System.out.println("Invalid input. Please enter a task ID or 'back':");
}
}
private void handleCreateTaskWorkerInput(String input) {
try {
tempWorkerId = Integer.parseInt(input.trim());
System.out.println("Enter task name:");
currentState = InputState.AWAITING_CREATE_TASK_NAME;
} catch (NumberFormatException e) {
System.out.println("Invalid worker ID. Please enter a number:");
}
}
private void handleCreateTaskNameInput(String input) {
tempTaskName = input.trim();
System.out.println("Enter task description:");
currentState = InputState.AWAITING_CREATE_TASK_DESC;
}
private void handleCreateTaskDescInput(String input) {
int taskId = manager.addTask(tempWorkerId, tempTaskName, input.trim());
System.out.println("Created task with ID: " + taskId);
resetToMainMenu();
}
private void resetToMainMenu() {
currentState = InputState.MAIN_MENU;
selectedTaskId = null;
selectedWorkerId = null;
tempWorkerId = null;
tempTaskName = null;
}
private void handleTaskSelectionInput(String input) {
if ("back".equalsIgnoreCase(input)) {
resetToMainMenu();
return;
}
try {
int taskId = Integer.parseInt(input.trim());
Task task = manager.getTask(taskId);
if (task != null) {
selectedTaskId = taskId;
currentState = InputState.TASK_SELECTED;
System.out.println("Task " + taskId + " (" + task.getName() + ") selected");
System.out.println("Commands: finish, unfinish, remove, edit, back");
} else {
System.out.println("Task not found. Please enter a valid task ID:");
}
} catch (NumberFormatException e) {
if (selectedTaskId != null) {
handleTaskCommand(input);
} else {
System.out.println("Invalid input. Please enter a task ID or 'back':");
}
}
}
private void handleTaskCommand(String input) {
switch (input.toLowerCase()) {
case "finish":
manager.finishTask(manager.getTask(selectedTaskId).getWorkerId(),selectedTaskId);
System.out.println("Task marked as finished");
break;
case "unfinish":
manager.unfinishTask(manager.getTask(selectedTaskId).getWorkerId(),selectedTaskId);
System.out.println("Task marked as unfinished");
break;
case "remove":
manager.removeTask(selectedTaskId);
System.out.println("Task removed");
resetToMainMenu();
break;
case "edit":
System.out.println("Enter new name;description:");
currentState = InputState.AWAITING_EDIT_INPUT;
break;
case "back":
resetToMainMenu();
break;
default:
System.out.println("Unknown command. Type 'help' for available commands.");
}
}
private void handleEditInput(String input) {
String[] parts = input.split(";", 2);
if (parts.length == 2) {
manager.editTask(manager.getTask(selectedTaskId).getWorkerId(), selectedTaskId, parts[0], parts[1]);
System.out.println("Task edited");
} else {
System.out.println("Invalid format. Use: name;description");
System.out.println("Please try again:");
return;
}
currentState = InputState.TASK_SELECTED;
}
public Scanner getScanner() {
return scanner;
}
//only for testing
public void setScanner(Scanner scanner) {
this.scanner = scanner;
}
//only for testing
public boolean isRunning() {
return running.get();
}
}