################################################################################
#                                                                              #
#                 This file is part of the Buildbotics firmware.               #
#                                                                              #
#        Copyright (c) 2015 - 2021, Buildbotics LLC, All rights reserved.      #
#                                                                              #
#         This Source describes Open Hardware and is licensed under the        #
#                                 CERN-OHL-S v2.                               #
#                                                                              #
#         You may redistribute and modify this Source and make products        #
#    using it under the terms of the CERN-OHL-S v2 (https:/cern.ch/cern-ohl).  #
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#                Source location: https://github.com/buildbotics               #
#                                                                              #
#      As per CERN-OHL-S v2 section 4, should You produce hardware based on    #
#    these sources, You must maintain the Source Location clearly visible on   #
#    the external case of the CNC Controller or other product you make using   #
#                                  this Source.                                #
#                                                                              #
#                For more information, email info@buildbotics.com              #
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################################################################################

import subprocess

import bbctrl


class IPLCDPage(bbctrl.LCDPage):
    # From bbctrl.LCDPage
    def activate(self):
        p = subprocess.Popen(['hostname', '-I'], stdout = subprocess.PIPE)
        ips = p.communicate()[0].decode('utf-8').split()

        p = subprocess.Popen(['hostname'], stdout = subprocess.PIPE)
        hostname = p.communicate()[0].decode('utf-8').strip()

        self.clear()

        self.text('Host: %s' % hostname[0:14], 0, 0)

        for i in range(min(3, len(ips))):
            if len(ips[i]) <= 16:
                self.text('IP: %s' % ips[i], 0, i + 1)
