import tkinter as tk
from tkinter import DISABLED, NORMAL
from tkinter import ttk
from pynput.mouse import Controller, Button
from pynput.keyboard import Listener, KeyCode
import threading
import time
mouse = Controller()
clicking = False
HOTKEY = KeyCode(char='-')


def click_loop(delay: float) -> None:
    """Continuously click the left mouse button while ``clicking`` is True.

    Args:
        delay: The number of seconds to wait between clicks.
    """
    global clicking
    while clicking:
        mouse.click(Button.left, 1)
        time.sleep(delay)


def toggle_clicking() -> None:
    """Toggle the clicking state and start or stop the click thread as needed."""
    global clicking
    clicking = not clicking
    if clicking:
        try:
            delay_val = float(delay_var.get())
        except ValueError:
            delay_val = 0.5
        thread = threading.Thread(target=click_loop, args=(delay_val,))
        thread.daemon = True
        thread.start()
    root.focus_set()
    switch_buttons()


def switch_buttons() -> None:
    """Update button states based on whether clicking is active."""
    if clicking:
        start_button.config(state=DISABLED)
        stop_button.config(state=NORMAL)
    else:
        start_button.config(state=NORMAL)
        stop_button.config(state=DISABLED)


def on_key_press(key) -> None:
    """Handle keypress events to toggle clicking when the hotkey is pressed."""
    if key == HOTKEY:
        toggle_clicking()


def clear_focus(event) -> None:
    """Clear focus from entry widgets when clicking elsewhere in the window."""
    if event.widget not in (delay_entry, hotkey_entry):
        root.focus_set()


def open_config() -> None:
    """Display the configuration frame and hide the main frame."""
    main_frame.grid_remove()
    config_frame.grid(row=0, column=0, sticky="NSEW")


def close_config() -> None:
    """Hide the configuration frame, update the hotkey, and show the main frame."""
    global HOTKEY
    new_hotkey = hotkey_entry.get().strip()
    if new_hotkey:
        HOTKEY = KeyCode(char=new_hotkey[0])
        start_button.config(text=f"Start ({HOTKEY.char.upper()})")
        stop_button.config(text=f"Stop ({HOTKEY.char.upper()})")
        main_hotkey_label.config(text=f"Press '{HOTKEY.char.upper()}' to Start/Stop")
    config_frame.grid_remove()
    main_frame.grid()


root = tk.Tk()
root.title("Fretux' Autoclicker")
root.geometry("350x250")
root.resizable(False, False)
style = ttk.Style(root)
try:
    style.theme_use('clam')
except tk.TclError:
    style.theme_use(style.theme_names()[0])
style.configure("TButton", padding=6)
style.configure("TEntry", padding=3)
style.configure("TLabel", padding=3)
root.columnconfigure(0, weight=1)
root.rowconfigure(0, weight=1)
main_frame = ttk.Frame(root, padding=10)
main_frame.grid(row=0, column=0, sticky="NSEW")
delay_label = ttk.Label(main_frame, text="Delay between clicks (seconds):")
delay_label.grid(row=0, column=0, sticky="W", padx=(0, 5), pady=(0, 5))
delay_var = tk.StringVar(value="0.5")
delay_entry = ttk.Entry(main_frame, textvariable=delay_var, width=10)
delay_entry.grid(row=0, column=1, sticky="W", pady=(0, 5))
main_hotkey_label = ttk.Label(main_frame, text=f"Press '{HOTKEY.char.upper()}' to Start/Stop")
main_hotkey_label.grid(row=1, column=0, columnspan=2, sticky="W", pady=(0, 10))
buttons_frame = ttk.Frame(main_frame)
buttons_frame.grid(row=2, column=0, columnspan=2, pady=(0, 10))
start_button = ttk.Button(buttons_frame, text=f"Start ({HOTKEY.char.upper()})", command=toggle_clicking)
stop_button = ttk.Button(buttons_frame, text=f"Stop ({HOTKEY.char.upper()})", command=toggle_clicking)
start_button.grid(row=0, column=0, padx=(0, 5))
stop_button.grid(row=0, column=1, padx=(5, 0))
config_button = ttk.Button(main_frame, text="Configure", command=open_config)
config_button.grid(row=3, column=0, columnspan=2)
config_frame = ttk.Frame(root, padding=10)
config_frame.columnconfigure(0, weight=1)
config_label = ttk.Label(config_frame, text="Configure HOTKEY")
config_label.grid(row=0, column=0, sticky="W", pady=(0, 10))
hotkey_entry = ttk.Entry(config_frame, width=10)
hotkey_entry.insert(0, HOTKEY.char)
hotkey_entry.grid(row=1, column=0, sticky="W", pady=(0, 10))
back_button = ttk.Button(config_frame, text="Back", command=close_config)
back_button.grid(row=2, column=0, sticky="W")
root.bind("<Button-1>", clear_focus)
listener = Listener(on_press=on_key_press)
listener.start()
stop_button.config(state=DISABLED)
root.mainloop()