#!/usr/bin/env python3
# -*- coding: utf-8 -*-
                                                                                                                                                                
# 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()

# 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])

# If a section is selected, modify its values
if code == tui.OK:
    # 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])

    # 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.")
else:
    tui.msgbox("Canceled.")