from .customtkinter_button import CTkButton
from .customtkinter_slider import CTkSlider
from .customtkinter_frame import CTkFrame
from .customtkinter_progressbar import CTkProgressBar
from .customtkinter_label import CTkLabel
from .customtkinter_entry import CTkEntry

from .appearance_mode_tracker import AppearanceModeTracker, SystemAppearanceModeListenerNoThread
from .customtkinter_color_manager import CTkColorManager

from distutils.version import StrictVersion as Version
import tkinter
import os
import sys


def enable_macos_darkmode():
    if sys.platform == "darwin":  # macOS
        if Version(tkinter.Tcl().call("info", "patchlevel")) >= Version("8.6.9"):  # Tcl/Tk >= 8.6.9
            os.system("defaults write -g NSRequiresAquaSystemAppearance -bool No")

            sys.stderr.write("WARNING (customtkinter.enable_macos_darkmode): " +
                             "This command forces macOS dark-mode on all programs." +
                             "This can cause bugs on some other programs.\n" +
                             "Disable it by calling customtkinter.disable_macos_darkmode at the end of the program.\n")
        else:
            sys.stderr.write("WARNING (customtkinter.enable_macos_darkmode): " +
                             "Currently this works only with anaconda python version (Tcl/Tk >= 8.6.9).\n" +
                             "(python.org Tcl/Tk version is only 8.6.8)\n")
    else:
        sys.stderr.write("WARNING (customtkinter.enable_macos_darkmode): " +
                         "System is not macOS, but the following: {}\n".format(sys.platform))


def disable_macos_darkmode():
    if sys.platform == "darwin":  # macOS
        if Version(tkinter.Tcl().call("info", "patchlevel")) >= Version("8.6.9"):  # Tcl/Tk >= 8.6.9
            os.system("defaults delete -g NSRequiresAquaSystemAppearance")
            # This command reverts the dark-mode setting for all programs.


def set_appearance_mode(mode_string):
    AppearanceModeTracker.set_appearance_mode(mode_string)


def get_appearance_mode():
    if AppearanceModeTracker.appearance_mode == 0:
        return "Light"
    elif AppearanceModeTracker.appearance_mode == 1:
        return "Dark"


def set_theme(main_color):
    CTkColorManager.set_theme(main_color)


def deactivate_threading():
    AppearanceModeTracker.init_listener_function(no_thread=True)
    sys.stderr.write("WARNING (customtkinter.deactivate_threading): Automatic threaded search for a change of the " +
                     "system appearance mode is deativated now.\nYou have to update the appearance mode manually " +
                     "in your mainloop by calling customtkinter.update_theme() every time.\n")


def activate_threading():
    AppearanceModeTracker.init_listener_function()


def update_theme():
    if isinstance(AppearanceModeTracker.system_mode_listener, SystemAppearanceModeListenerNoThread):
        AppearanceModeTracker.system_mode_listener.update()
    else:
        sys.stderr.write("WARNING (customtkinter.update_theme): no need to call update_theme, because " +
                         "customtkinter is constantly searching for a mode change in a background thread.\n")