#!/usr/bin/env python3
                                                                                                                                                                
# Fenrir TTY screen reader
# By Chrys, Storm Dragon, and contributers.

import os
import configparser
import dialog

# Make sure dialog is accessible
os.environ['DIALOGOPTS'] = '--no-lines --visit-items'
# Initialize the dialog
tui = dialog.Dialog(dialog="dialog")

# Define the path to the settings file
settings_file = '/etc/fenrirscreenreader/settings/settings.conf'

# Check write permissions for the settings file
if not os.access(settings_file, os.W_OK):
    tui.msgbox("Error: Insufficient permissions to modify the settings file. Please run as root or with sudo.")
    exit()

while True:
    # Load the settings file
    config = configparser.ConfigParser()
    config.read(settings_file)

    # Get a list of sections in the settings file
    sections = config.sections()

    # Select a section.
    code, section = tui.menu("Select a section:", choices=[(s, "") for s in sections] + [("Exit", " ")])

    # Exit if the "Exit" option is chosen
    if section == "Exit":
        break

    while True:
        # Get the options in the selected section
        options = config.options(section)

        # Select a value to edit using dialog
        code, option = tui.menu(f"Select a value to edit in '{section}':", choices=[(o, "") for o in options] + [("Go Back", " ")])

        # Go back to the section menu if the "Go Back" option is chosen
        if option == "Go Back":
            break

        # If something is selected, prompt for a new value.
        if code == tui.OK:
            value = config.get(section, option)
            code, new_value = tui.inputbox(f"Enter a new value for '{option}':", init=value)

            # If a new setting is provided, update the configuration
            if code == tui.OK:
                config.set(section, option, new_value)

                # Save changes.
                with open(settings_file, 'w') as configfile:
                    config.write(configfile)

                tui.msgbox("Fenrir settings saved.")
            else:
                tui.msgbox("Changes discarded. Your Fenrir configuration has not been modified.")
        else:
            tui.msgbox("Canceled.")