#!/usr/bin/env python
# vim:fileencoding=utf-8:noet

'''Script used to obtain powerline configuration'''

from __future__ import (unicode_literals, division, absolute_import, print_function)

import argparse

try:
	import powerline.bindings.config as config
except ImportError:
	import sys
	import os
	sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(os.path.realpath(__file__)))))
	import powerline.bindings.config as config


TMUX_ACTIONS = {
	'source': config.source_tmux_files,
}


SHELL_ACTIONS = {
	'command': config.shell_command,
	'uses': config.uses,
}


if __name__ == '__main__':
	parser = argparse.ArgumentParser(description=__doc__)
	subparsers = parser.add_subparsers()
	tmux_parser = subparsers.add_parser('tmux', help='Tmux-specific commands')
	tmux_parser.add_argument(
		'function',
		choices=tuple(TMUX_ACTIONS.values()),
		metavar='action',
		type=(lambda v: TMUX_ACTIONS.get(v)),
		help='If action is "source" then version-specific tmux configuration files are sourced.'
	)

	shell_parser = subparsers.add_parser('shell', help='Shell-specific commands')
	shell_parser.add_argument(
		'function',
		choices=tuple(SHELL_ACTIONS.values()),
		type=(lambda v: SHELL_ACTIONS.get(v)),
		metavar='action',
		help='If action is "command" then preferred powerline command is output, if it is “uses” then powerline-config script will exit with 1 if specified component is disabled and 0 otherwise.',
	)
	shell_parser.add_argument(
		'component',
		nargs='?',
		choices=('tmux', 'prompt'),
		metavar='component',
	)
	shell_parser.add_argument(
		'-s', '--shell',
		nargs='?',
		help='Shell for which query is run',
	)

	args = parser.parse_args()

	pl = config.create_powerline_logger(args)

	args.function(pl, args)