From c816eebbe593c9fd835f7d88700a6cbc7be02285 Mon Sep 17 00:00:00 2001
From: Jason Zhu <jason.zhu@xero.com>
Date: Wed, 1 Mar 2023 15:47:24 +1100
Subject: [PATCH] Modified stock app to Todolist app

---
 src/App.tsx  | 78 ++++++++++++++++++++++++++++++++++++++++------------
 src/Todo.tsx | 31 +++++++++++++++++++++
 2 files changed, 91 insertions(+), 18 deletions(-)
 create mode 100644 src/Todo.tsx

diff --git a/src/App.tsx b/src/App.tsx
index a53698a..8ac292b 100644
--- a/src/App.tsx
+++ b/src/App.tsx
@@ -1,25 +1,67 @@
-import React from 'react';
-import logo from './logo.svg';
+import React, {useState} from 'react';
 import './App.css';
+import Todo from "./Todo";
+
+interface TodoItem {
+  id: number;
+  text: string;
+  completed: boolean;
+}
 
 function App() {
+  const [todos, setTodos] = useState<TodoItem[]>([]);
+  const [text, setText] = useState("");
+
+  const handleAddTodo = () => {
+    if (text.trim() === "") return;
+    const newTodo: TodoItem = {
+      id: todos.length + 1,
+      text: text,
+      completed: false,
+    };
+
+    setTodos([...todos, newTodo]);
+    setText("");
+  }
+
+  const handleToggleTodo = (id: number) => {
+    const updatedTodos = todos.map((todo) => {
+      if (todo.id === id) {
+        return { ...todo, completed: !todo.completed };
+      }
+      return todo;
+    });
+
+    setTodos(updatedTodos);
+  }
+
+  const handleDeleteTodo = (id: number) => {
+    const updatedTodos = todos.filter((todo) => todo.id !== id);
+    setTodos(updatedTodos);
+  }
+
   return (
-    <div className="App">
-      <header className="App-header">
-        <img src={logo} className="App-logo" alt="logo" />
-        <p>
-          Edit <code>src/App.tsx</code> and save to reload.
-        </p>
-        <a
-          className="App-link"
-          href="https://reactjs.org"
-          target="_blank"
-          rel="noopener noreferrer"
-        >
-          Learn React
-        </a>
-      </header>
-    </div>
+      <div>
+        <h1>Todo List</h1>
+        <input
+          type="text"
+          value={text}
+          onChange={(e) => setText(e.target.value)}
+        />
+        <button onClick={handleAddTodo}>Add Todo</button>
+        <ul>
+          {todos.map((todo) => (
+              <Todo
+                  key={todo.id}
+                  id={todo.id}
+                  text={todo.text}
+                  completed={todo.completed}
+                  onToggle={handleToggleTodo}
+                  onDelete={handleDeleteTodo}
+              />
+          ))}
+        </ul>
+      </div>
   );
 }
 
diff --git a/src/Todo.tsx b/src/Todo.tsx
new file mode 100644
index 0000000..757976d
--- /dev/null
+++ b/src/Todo.tsx
@@ -0,0 +1,31 @@
+import React from "react";
+
+interface TodoProps {
+    id: number;
+    text: string;
+    completed: boolean;
+    onToggle: (id: number) => void;
+    onDelete: (id: number) => void;
+}
+
+const Todo = ( { id, text, completed, onToggle, onDelete }: TodoProps) => {
+    const handleToggle = () => {
+        onToggle(id);
+    };
+
+    const handleDelete = () => {
+        onDelete(id);
+    };
+
+    return (
+        <li>
+            <input type="checkbox" checked={completed} onChange={handleToggle} />
+            <span style={{ textDecoration: completed ? "line-through" : "none"}}>
+                {text}
+            </span>
+            <button onClick={handleDelete}>Delete</button>
+        </li>
+    );
+};
+
+export default Todo;