import os
import socket
from ..utils import BasicSegment


class Segment(BasicSegment):
    def add_to_powerline(self):
        powerline = self.powerline
        term = os.getenv('TERM')
        if not (('xterm' in term) or ('rxvt' in term)):
            return
        if powerline.args.shell == 'bash':
            set_title = '\\[\\e]0;\\u@\\h: \\w\\a\\]'
        elif powerline.args.shell == 'zsh':
            set_title = '%{\033]0;%n@%m: %~\007%}'
        else:
            set_title = '\033]0;%s@%s: %s\007' % (
                os.getenv('USER'),
                socket.gethostname().split('.')[0],
                powerline.cwd,
            )
        powerline.append(set_title, None, None, '')