#!/usr/bin/env python
from i3ipc import Connection
import sys

try:
    mark=sys.argv[1]
except IndexError:
    mark=None

c = Connection()
c.command('workspace 1')

# Focus on widest window
windows = c.get_tree().find_focused().workspace().descendants()
w = sorted(windows, key=lambda w: w.window_rect.width)[-1]
w.command('focus')

if mark:
    w.command(f'swap container with mark {mark}')