# tk_autocomplete_tkinter_code.py

# tk_autocomplete_tkinter_code.py

from typing import List

def autocomplete(entry: tk.Entry, options: List[str]):
    def complete(event):
        # Get the current text in the entry widget
        text = entry.get()

        # If there is no text, do nothing
        if not text:
            return

        # Get a list of matching options
        matches = [option for option in options if option.startswith(text)]

        # If there is only one match, insert it into the entry
        if len(matches) == 1:
            entry.delete(0, tk.END)
            entry.insert(0, matches[0])
        # If there are multiple matches, show a list of options
        elif len(matches) > 1:
            # Create a listbox to display the options
            listbox = tk.Listbox(entry.master, height=len(matches))
            listbox.pack()

            # Insert the options into the listbox
            for option in matches:
                listbox.insert(tk.END, option)

            # Set the listbox to the current position of the entry widget
            entry_x, entry_y, entry_width, entry_height = entry.bbox(tk.INSERT)
            listbox_x = entry_x
            listbox_y = entry_y + entry_height
            listbox.place(x=listbox_x, y=listbox_y)

            # Select the first item in the list
            listbox.selection_set(0)

            # Bind the listbox to the key and mouse events of the entry widget
            entry.bind('<KeyRelease>', update_list)
            entry.bind('<Button-1>', hide_list)
            listbox.bind('<Double-Button-1>', select_item)

    def update_list(event):
        # Get the current text in the entry widget
        text = entry.get()

        # If there is no text, delete the listbox and do nothing
        if not text:
            try:
                listbox.destroy()
            except:
                pass
            return

        # Update the list of options based on the current text
        matches = [option for option in options if option.startswith(text)]

        # If there are no matches, delete the listbox and do nothing
        if not matches:
            try:
                listbox.destroy()
            except:
                pass
            return

        # Update the listbox with the new matches
        listbox.delete(0, tk.END)
        for option in matches:
            listbox.insert(tk.END, option)

        # Select the first item in the list
        listbox.selection_set(0)

    def hide_list(event):
        # Hide the listbox and delete it
        try:
            listbox.destroy()
        except:
            pass

    def select_item(event):
        # Insert the selected item into the entry widget
        entry.delete(0, tk.END)
        entry.insert(0, listbox.get(tk.ACTIVE))
        # Hide the listbox and delete it
        try:
            listbox.destroy()
        except:
            pass

# Bind the autocomplete function to the key event of the entry widget
entry.bind('<KeyRelease>', complete)