Todo CLI Application

This is a simple Todo Command Line Interface (CLI) application written in Go. It allows users to manage their tasks efficiently by adding, editing, toggling, deleting, and listing todos directly from the terminal.

Features

• Add a Todo: Add a new todo with a title.
• Edit a Todo: Edit an existing todo by specifying its index and the new title.
• Delete a Todo: Remove a todo by its index.
• Toggle Completion: Mark a todo as completed or incomplete by toggling its status.
• List Todos: Display a formatted list of all todos with details like title, completion status, creation date, and completion date.

Prerequisites

• Go (version 1.16 or higher)

Installation

1. Clone the repository:

   git clone
   cd todo

2. Build the application:

   go build -o todo

Usage

Run the application using the go run command or the compiled binary. Below are the supported commands:

List Todos

./todo --list

Displays all todos in a formatted table.

Add a Todo

./todo -add "<title>"

Adds a new todo with the specified title.

Example:

./todo -add "Go for a walk"

Edit a Todo

./todo -edit <index>:<new_title>

Edits the todo at the specified index and updates the title.

Example:

./todo -edit 0:"Read a book"

Toggle a Todo

./todo -toggle <index>

Toggles the completion status of the todo at the specified index.

Example:

./todo -toggle 0

Delete a Todo

./todo -del <index>

Deletes the todo at the specified index.

Example:

./todo -del 0

Example Usage

Adding a todo:

./todo -add "Go for a walk"

Listing todos:

./todo --list
┌───┬───────────────┬───────────┬───────────────────────────────┬──────────────┐
│ # │     Title     │ Completed │          Created At           │ Completed At │
├───┼───────────────┼───────────┼───────────────────────────────┼──────────────┤
│ 0 │ Go for a walk │ ❌        │ Mon, 27 Jan 2025 21:05:03 PKT │              │
└───┴───────────────┴───────────┴───────────────────────────────┴──────────────┘

Toggling a todo:

./todo -toggle 0

Deleting a todo:

./todo -del 0

Error Handling

• Invalid commands or arguments will display an appropriate error message.
• For editing, the format must be index:new_title, e.g., 0:New Title. An error will be shown if the format is incorrect.