تجميع كل الأجزاء معاً

// Task interface and existing code from previous challenges
interface Task {
    id: number;
    title: string;
    status: 'todo' | 'in-progress' | 'done';
}

const firstTask: Task = {
  id: 1,
  title: "Learn TypeScript interfaces",
  status: "todo"
};

const secondTask: Task = {
  id: 2,
  title: "Build task management app",
  status: "in-progress"
};

const thirdTask: Task = {
  id: 3,
  title: "Write unit tests",
  status: "done"
};

function getTaskInfo(task: Task): string {
    return `Task ${task.id}: ${task.title} - ${task.status}`;
}

function addTask(taskList: Task[], title: string): Task[] {
  const newTask: Task = {
    id: taskList.length + 1,
    title: title,
    status: 'todo'
  };
  return [...taskList, newTask];
}

function changeTaskStatus(taskList: Task[], taskId: number, newStatus: 'todo' | 'in-progress' | 'done'): Task[] {
  return taskList.map(task => 
    task.id === taskId ? { ...task, status: newStatus } : task
  );
}

function listTasksByStatus(tasks: Task[], status: 'todo' | 'in-progress' | 'done'): Task[] {
    return tasks.filter(task => task.status === status);
}

const initialTasks: Task[] = [firstTask, secondTask];
const updatedTasks: Task[] = addTask(initialTasks, "Review code changes");
const testTasks: Task[] = [firstTask, secondTask, thirdTask];
const progressTasks = changeTaskStatus(testTasks, 1, 'in-progress');
const completedTasks = changeTaskStatus(progressTasks, 2, 'done');
const mixedTasks: Task[] = [firstTask, secondTask, thirdTask];

const todoTasks = listTasksByStatus(mixedTasks, 'todo');
const inProgressTasks = listTasksByStatus(mixedTasks, 'in-progress');
const doneTasks = listTasksByStatus(mixedTasks, 'done');

function printTaskSummary(task: Task): void {
    console.log(`ID: ${task.id}, Title: ${task.title}, Status: ${task.status}`);
}

function printAllTaskSummaries(taskList: Task[]): void {
    for (let task of taskList) {
        printTaskSummary(task);
    }
}

const sampleTasks: Task[] = [
    { id: 101, title: "Design user interface", status: 'todo' },
    { id: 102, title: "Implement authentication", status: 'in-progress' },
    { id: 103, title: "Deploy to production", status: 'done' }
];

printTaskSummary(firstTask);
printTaskSummary(sampleTasks[1]);
printAllTaskSummaries(sampleTasks);
printTaskSummary(doneTasks[doneTasks.length - 1]);