task.js

export class Task {
  constructor(name, description, isCompleted = false, id = Date.now()) {
    this.id = id; // allow for loading existing tasks with specific IDs
    this.name = name;
    this.description = description;
    this.isCompleted = isCompleted;
  }

  toggle() {
    this.isCompleted = !this.isCompleted;
  }

  update(name, desc) {
    if (!name && !desc) {
      console.log("Enter name or description");
      return;
    }
    if (name) {
      this.name = name;
    }
    if (desc) {
      this.description = desc;
    }
  }
}

export class TaskManager {
  constructor() {
    // Load tasks from localStorage (or set to an empty array if none exists)
    const storedTasks = JSON.parse(localStorage.getItem("tasks")) || [];
    this.tasks = storedTasks.map(
      (task) => new Task(task.name, task.description, task.isCompleted, task.id)
    );
  }

  addTask(name, description, isCompleted = false) {
    let newTask = new Task(name, description, isCompleted);
    this.tasks.push(newTask);
    this.saveTasks(); // Save tasks to local storage
  }

  deleteTask(id) {
    this.tasks = this.tasks.filter((task) => task.id !== id);
    this.saveTasks(); // Save updated tasks to local storage
  }

  updateTask(id, name, desc) {
    let task = this.tasks.find((task) => task.id === id);
    if (task) {
      task.update(name, desc);
      this.saveTasks(); // Save updated tasks to local storage
    }
  }

  toggleTaskCompletion(id) {
    const task = this.tasks.find((task) => task.id === id);
    if (task) {
      task.toggle();
      this.saveTasks(); // Save updated tasks to local storage
    }
  }

  getAllTask() {
    return this.tasks;
  }

  getTaskById(id) {
    return this.tasks.find((task) => task.id === id);
  }

  saveTasks() {
    // Save the tasks to local storage
    localStorage.setItem("tasks", JSON.stringify(this.tasks));
  }
}