# ========================================================================== #
#                                                                            #
#    KVMD - The main Pi-KVM daemon.                                          #
#                                                                            #
#    Copyright (C) 2018  Maxim Devaev <mdevaev@gmail.com>                    #
#                                                                            #
#    This program 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.                                     #
#                                                                            #
#    This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.  #
#                                                                            #
# ========================================================================== #


from typing import Any

from . import check_in_list
from . import check_re_match

from .basic import valid_number


# =====
def valid_tty_speed(arg: Any) -> int:
    name = "TTY speed"
    arg = int(valid_number(arg, name=name))
    return check_in_list(arg, name, [1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200])


def valid_gpio_pin(arg: Any) -> int:
    return int(valid_number(arg, min=0, name="GPIO pin"))


def valid_gpio_pin_optional(arg: Any) -> int:
    return int(valid_number(arg, min=-1, name="optional GPIO pin"))


def valid_otg_gadget(arg: Any) -> str:
    return check_re_match(arg, "OTG gadget name", r"^[a-z_][a-z0-9_-]*$")[:255]


def valid_otg_id(arg: Any) -> int:
    return int(valid_number(arg, min=0, max=65535, name="OTG ID"))