utils.py

import tkinter as tk


def format_item(task: str, status: str) -> str:
    """Standard display format for listbox items."""
    return f"{task} - Status: {status}"


def add_task(entry_task: tk.Entry, entry_status: tk.Entry, listbox: tk.Listbox) -> None:
    """Add a task with status to the listbox and clear the entry fields."""
    task = entry_task.get()
    status = entry_status.get()

    if task and status:
        listbox.insert(tk.END, format_item(task, status))
        entry_task.delete(0, tk.END)
        entry_status.delete(0, tk.END)


def remove_task(listbox: tk.Listbox) -> None:
    """Remove the selected task from the listbox."""
    selected_task = listbox.curselection()
    if selected_task:
        listbox.delete(selected_task)


def update_task(entry_status: tk.Entry, listbox: tk.Listbox) -> None:
    """Update only the status for the selected task."""
    selected_task = listbox.curselection()
    new_status = entry_status.get()

    if selected_task and new_status:
        current_text = listbox.get(selected_task)
        if " - Status: " in current_text:
            task_name = current_text.split(" - Status: ", 1)[0]
        else:
            task_name = current_text

        listbox.delete(selected_task)
        listbox.insert(selected_task, format_item(task_name, new_status))
        listbox.selection_set(selected_task)