1 files changed, 68 insertions, 0 deletions
diff --git a/agents/todo-js/tools.js b/agents/todo-js/tools.js
new file mode 100644
index 0000000..cef4c8f
--- /dev/null
+++ b/agents/todo-js/tools.js
@@ -0,0 +1,68 @@
+const fs = require('fs');
+const path = require('path');
+
+/**
+ * Add a new todo item
+ * @typedef {Object} AddTodoArgs
+ * @property {string} desc - The task description
+ * @param {AddTodoArgs} args
+ */
+exports.add_todo = function addTodo(args) {
+  const todosFile = _getTodosFile();
+  if (fs.existsSync(todosFile)) {
+    const num = JSON.parse(fs.readFileSync(todosFile)).reduce((max, item) => Math.max(max, item.id), 0) + 1;
+    const data = fs.readFileSync(todosFile);
+    fs.writeFileSync(todosFile, JSON.stringify([...JSON.parse(data), { id: num, desc: args.desc }]));
+    console.log(`Successfully added todo id=${num}`);
+  } else {
+    fs.writeFileSync(todosFile, JSON.stringify([{ id: 1, desc: args.desc }]));
+    console.log('Successfully added todo id=1');
+  }
+}
+
+/**
+ * Delete an existing todo item
+ * @typedef {Object} DelTodoArgs
+ * @property {number} id - The task id
+ * @param {DelTodoArgs} args
+ */
+exports.del_todo = function delTodo(args) {
+  const todosFile = _getTodosFile();
+  if (fs.existsSync(todosFile)) {
+    const data = fs.readFileSync(todosFile);
+    const newData = JSON.parse(data).filter(item => item.id !== args.id);
+    fs.writeFileSync(todosFile, JSON.stringify(newData));
+    console.log(`Successfully deleted todo id=${args.id}`);
+  } else {
+    console.log('Empty todo list');
+  }
+}
+
+/**
+ * Display the current todo list in json format.
+ */
+exports.list_todos = function listTodos() {
+  const todosFile = _getTodosFile();
+  if (fs.existsSync(todosFile)) {
+    console.log(fs.readFileSync(todosFile, "utf8"));
+  } else {
+    console.log("[]");
+  }
+}
+
+/**
+ * Delete the entire todo list.
+ */
+exports.clear_todos = function clearTodos() {
+  const todosFile = _getTodosFile();
+  fs.unlinkSync(todosFile)
+  console.log("Successfully deleted entry todo list");
+}
+
+function _getTodosFile() {
+  const cacheDir = process.env.LLM_AGENT_CACHE_DIR || '/tmp';
+  if (!fs.existsSync(cacheDir)) {
+    fs.mkdirSync(cacheDir, { recursive: true });
+  }
+  return path.join(cacheDir, 'todos.json');
+}