#!/usr/bin/env python3
"""
mate-screensaver-configure - Configure screensaver command-line arguments

Usage:
  mate-screensaver-configure <screensaver-name> [arguments...]
  mate-screensaver-configure --list
  mate-screensaver-configure --help

Examples:
  mate-screensaver-configure starfield --count 500 --speed 10
  mate-screensaver-configure slideshow --location ~/Pictures
  mate-screensaver-configure starfield ""  # Remove arguments
  mate-screensaver-configure --list        # Show current configuration

Also works for XScreenSaver:
  mate-screensaver-configure fuzzyflakes --speed 25 --random-colors

To manually view or edit configuration:
  gsettings get org.mate.screensaver screensaver-arguments
  dconf-editor /org/mate/screensaver/screensaver-arguments
"""

import sys
import gi
gi.require_version('Gio', '2.0')
from gi.repository import Gio, GLib

SCHEMA = "org.mate.screensaver"
KEY = "screensaver-arguments"


def get_config(settings):
    """Load current screensaver arguments as a Python dict"""
    current = settings.get_value(KEY)
    return {key: current[key] for key in current.keys()}


def set_config(settings, config):
    """Save screensaver arguments dict to GSettings"""
    settings.set_value(KEY, GLib.Variant('a{ss}', config))


def show_config(settings):
    """Display current screensaver configuration"""
    config = get_config(settings)
    if config:
        print("Current configuration:")
        for name in sorted(config.keys()):
            print(f"  {name}: {config[name]}")
    else:
        print("No screensaver arguments configured")


def main():
    if len(sys.argv) < 2 or sys.argv[1] in ('-h', '--help'):
        print(__doc__)
        sys.exit(0 if len(sys.argv) > 1 else 1)

    settings = Gio.Settings.new(SCHEMA)

    # Handle --list option
    if sys.argv[1] == '--list':
        show_config(settings)
        return

    # Configure screensaver arguments
    screensaver_name = sys.argv[1]
    args = ' '.join(sys.argv[2:])

    config = get_config(settings)

    if args:
        config[screensaver_name] = args
        print(f"Configured '{screensaver_name}' with arguments: {args}")
    else:
        config.pop(screensaver_name, None)
        print(f"Removed arguments for '{screensaver_name}'")

    set_config(settings, config)
    print()
    show_config(settings)


if __name__ == '__main__':
    main()