#
# (c) 2016 Red Hat Inc.
#
# This file is part of Ansible
#
# Ansible is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Ansible is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Ansible.  If not, see <http://www.gnu.org/licenses/>.
#

from __future__ import absolute_import, division, print_function


__metaclass__ = type

import re

from ansible.errors import AnsibleConnectionFailure
from ansible.module_utils.common.text.converters import to_bytes
from ansible.utils.display import Display
from ansible_collections.ansible.netcommon.plugins.plugin_utils.terminal_base import TerminalBase


display = Display()


class TerminalModule(TerminalBase):

    terminal_stdout_re = [
        re.compile(
            to_bytes(r"({primary:node\d+})?[\r\n]?[\w@+\-\.:\/\[\]]+[>#%] ?$"),
        ),
    ]

    terminal_stderr_re = [
        re.compile(to_bytes(r"unknown command")),
        re.compile(to_bytes(r"syntax error")),
        re.compile(to_bytes(r"[\r\n]error:")),
    ]

    terminal_config_prompt = re.compile(r"^.+#$")

    def on_open_shell(self):
        try:
            prompt = self._get_prompt()
            if prompt.strip().endswith(b"%"):
                display.vvv(
                    "starting cli",
                    self._connection._play_context.remote_addr,
                )
                self._exec_cli_command(b"cli")
            for c in (
                b"set cli timestamp disable",
                b"set cli screen-length 0",
                b"set cli screen-width 1024",
            ):
                self._exec_cli_command(c)
        except AnsibleConnectionFailure:
            raise AnsibleConnectionFailure("unable to set terminal parameters")