# <============================================== IMPORTS =========================================================>
from telethon import events

from Mikobot import tbot


# <============================================== FUNCTIONS =========================================================>
def register(**args):
    """Registers a new message."""
    pattern = args.get("pattern")

    r_pattern = r"^[/!]"

    if pattern is not None and not pattern.startswith("(?i)"):
        args["pattern"] = f"(?i){pattern}"

    args["pattern"] = pattern.replace("^/", r_pattern, 1)

    def decorator(func):
        tbot.add_event_handler(func, events.NewMessage(**args))
        return func

    return decorator


def chataction(**args):
    """Registers chat actions."""

    def decorator(func):
        tbot.add_event_handler(func, events.ChatAction(**args))
        return func

    return decorator


def userupdate(**args):
    """Registers user updates."""

    def decorator(func):
        tbot.add_event_handler(func, events.UserUpdate(**args))
        return func

    return decorator


def inlinequery(**args):
    """Registers inline query."""
    pattern = args.get("pattern")

    if pattern is not None and not pattern.startswith("(?i)"):
        args["pattern"] = f"(?i){pattern}"

    def decorator(func):
        tbot.add_event_handler(func, events.InlineQuery(**args))
        return func

    return decorator


def callbackquery(**args):
    """Registers inline query."""

    def decorator(func):
        tbot.add_event_handler(func, events.CallbackQuery(**args))
        return func

    return decorator


# <==================================================== END ===================================================>