"""Netmiko driver for OneAccess ONEOS"""
from typing import Any

from netmiko.cisco_base_connection import CiscoBaseConnection


class OneaccessOneOSBase(CiscoBaseConnection):
    def __init__(self, *args: Any, **kwargs: Any) -> None:
        """Init connection - similar as Cisco"""
        default_enter = kwargs.get("default_enter")
        kwargs["default_enter"] = "\r\n" if default_enter is None else default_enter
        super().__init__(*args, **kwargs)

    def session_preparation(self) -> None:
        """Prepare connection - disable paging"""

        self._test_channel_read(pattern=r"[>#]")
        self.disable_paging(command="term len 0")

        # try ONEOS6 command first - fallback to ONEOS5 if it fails
        self.set_terminal_width(command="screen-width 512", cmd_verify=True)
        output = self._test_channel_read(pattern=r"[>#]")
        if "error" in output.lower():
            self.set_terminal_width(command="stty columns 255", cmd_verify=True)
        else:
            # ONEOS6 uses different enter
            self.RETURN = "\n"

        self._test_channel_read(pattern=r"[>#]")
        self.set_base_prompt()

    def save_config(
        self, cmd: str = "write mem", confirm: bool = False, confirm_response: str = ""
    ) -> str:
        """Save config: write mem"""
        return super().save_config(
            cmd=cmd, confirm=confirm, confirm_response=confirm_response
        )


class OneaccessOneOSSSH(OneaccessOneOSBase):
    pass


class OneaccessOneOSTelnet(OneaccessOneOSBase):
    pass