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<!DOCTYPE html>
<html>
<head>
  <title>To-Do List</title>

body {
  font-family: Arial, sans-serif;
  background-color: #f4f4f4;
  margin: 0;
  padding: 0;
}

h1 {
  text-align: center;
  margin-top: 30px;
}

#todo-container {
  display: flex;
  justify-content: center;
  margin: 30px 0;
}

#todo-input {
  padding: 8px;
  font-size: 16px;
  border-radius: 4px;
  border: 1px solid #ccc;
  width: 300px;
  margin-right: 10px;
}

#add-button {
  padding: 8px 12px;
  font-size: 16px;
  border-radius: 4px;
  border: none;
  background-color: #4CAF50;
  color: white;
  cursor: pointer;
}

#add-button:hover {
  background-color: #45a049;
}

#todo-list {
  list-style-type: none;
  margin: 0;
  padding: 0;
}

.todo-item {
  display: flex;
  align-items: center;
  background-color: white;
  padding: 10px;
  margin-bottom: 10px;
  border-radius: 4px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.todo-item span {
  flex-grow: 1;
  margin-right: 10px;
}

.todo-item button {
  padding: 4px 8px;
  font-size: 14px;
  border-radius: 4px;
  border: none;
  background-color: #f44336;
  color: white;
  cursor: pointer;
}

.todo-item button:hover {
  background-color: #e53935;
}

.todo-item.done {
  text-decoration: line-through;
  background-color: #e0e0e0;
  color: #999999;
}


// Get HTML elements
const todoInput = document.getElementById('todo-input');
const addButton = document.getElementById('add-button');
const todoList = document.getElementById('todo-list');
const searchInput = document.getElementById('search-input');

// Add event listener to add button
addButton.addEventListener('click', addTodo);

// Add event listener to handle 'Enter' key press on input field
todoInput.addEventListener('keyup', function(event) {
  if (event.key === 'Enter') {
    addTodo();
  }
});

// Add event listener to search input
searchInput.addEventListener('input', filterTasks);

// Array to store all tasks
let tasks = [];

// Function to add a new todo item
function addTodo() {
  const todoText = todoInput.value.trim();
  if (todoText !== '') {
    const todoItem = createTodoItem(todoText);
    tasks.push(todoItem);
    todoList.appendChild(todoItem);
    todoInput.value = '';
  }
}

// Function to create a new todo item
function createTodoItem(text) {
  const todoItem = document.createElement('li');
  todoItem.classList.add('todo-item');

  const todoText = document.createElement('span');
  todoText.innerText = text;

  const dropdown = createDropdown();

  const deleteButton = document.createElement('button');
  deleteButton.innerText = 'Delete';
  deleteButton.classList.add('delete-button');
  deleteButton.addEventListener('click', deleteTodo);

  todoItem.appendChild(todoText);
  todoItem.appendChild(dropdown);
  todoItem.appendChild(deleteButton);

  return todoItem;
}

// Function to create a dropdown for the todo item
function createDropdown() {
  const dropdown = document.createElement('select');

  const option1 = document.createElement('option');
  option1.value = 'not-started';
  option1.innerText = 'Not Started';

  const option2 = document.createElement('option');
  option2.value = 'in-progress';
  option2.innerText = 'In Progress';

  const option3 = document.createElement('option');
  option3.value = 'completed';
  option3.innerText = 'Completed';

  dropdown.appendChild(option1);
  dropdown.appendChild(option2);
  dropdown.appendChild(option3);

  return dropdown;
}

// Function to delete a todo item
function deleteTodo() {
  const todoItem = this.parentNode;
  tasks = tasks.filter(item => item !== todoItem);
  todoList.removeChild(todoItem);
}

// Function to filter tasks based on the search input
function filterTasks() {
  const searchTerm = searchInput.value.trim().toLowerCase();

  tasks.forEach(task => {
    const assignedPerson = task.querySelector('span').innerText.toLowerCase();
    if (assignedPerson.includes(searchTerm)) {
      task.style.display = 'flex';
    } else {
      task.style.display = 'none';
    }
  });
}

</head>
<body>
  <h1>To-Do List</h1>
  <div id="todo-container">
    <input type="text" id="todo-input" placeholder="Enter a task">
    <button id="add-button">Add</button>
<input type="text" id="search-input" placeholder="Search by assigned person">
  </div>
  <ul id="todo-list"></ul>
  <script>
// Get HTML elements
const todoInput = document.getElementById('todo-input');
const addButton = document.getElementById('add-button');
const todoList = document.getElementById('todo-list');
const searchInput = document.getElementById('search-input');

// Add event listener to add button
addButton.addEventListener('click', addTodo);

// Add event listener to handle 'Enter' key press on input field
todoInput.addEventListener('keyup', function(event) {
  if (event.key === 'Enter') {
    addTodo();
  }
});

// Add event listener to search input
searchInput.addEventListener('input', filterTasks);

// Array to store all tasks
let tasks = [];

// Function to add a new todo item
function addTodo() {
  const todoText = todoInput.value.trim();
  if (todoText !== '') {
    const todoItem = createTodoItem(todoText);
    tasks.push(todoItem);
    todoList.appendChild(todoItem);
    todoInput.value = '';
  }
}

// Function to create a new todo item
function createTodoItem(text) {
  const todoItem = document.createElement('li');
  todoItem.classList.add('todo-item');

  const todoText = document.createElement('span');
  todoText.innerText = text;

  const dropdown = createDropdown();

  const deleteButton = document.createElement('button');
  deleteButton.innerText = 'Delete';
  deleteButton.classList.add('delete-button');
  deleteButton.addEventListener('click', deleteTodo);

  todoItem.appendChild(todoText);
  todoItem.appendChild(dropdown);
  todoItem.appendChild(deleteButton);

  return todoItem;
}

// Function to create a dropdown for the todo item
function createDropdown() {
  const dropdown = document.createElement('select');

  const option1 = document.createElement('option');
  option1.value = 'not-started';
  option1.innerText = 'Not Started';

  const option2 = document.createElement('option');
  option2.value = 'in-progress';
  option2.innerText = 'In Progress';

  const option3 = document.createElement('option');
  option3.value = 'completed';
  option3.innerText = 'Completed';

  dropdown.appendChild(option1);
  dropdown.appendChild(option2);
  dropdown.appendChild(option3);

  return dropdown;
}

// Function to delete a todo item
function deleteTodo() {
  const todoItem = this.parentNode;
  tasks = tasks.filter(item => item !== todoItem);
  todoList.removeChild(todoItem);
}

// Function to filter tasks based on the search input
function filterTasks() {
  const searchTerm = searchInput.value.trim().toLowerCase();

  tasks.forEach(task => {
    const assignedPerson = task.querySelector('span').innerText.toLowerCase();
    if (assignedPerson.includes(searchTerm)) {
      task.style.display = 'flex';
    } else {
      task.style.display = 'none';
    }
  });
}

</script>
</body>
</html>