from ezslack import App

# Running over HTTP
app = App(token=SLACK_BOT_TOKEN, signing_secret=SLACK_SIGNING_SECRET)
app.start(PORT)

# Running in Socket Mode
app = App(token=SLACK_BOT_TOKEN)
app.start_socket_mode(SLACK_APP_TOKEN)

from ezslack import Handler, message

class MyHandler(Handler):
    @message("hello", "hi")
    def greet(self):
        self.ack()
        self.say(
            f"Nice to meet you <@{self.user_id}>",
            thread_ts=self.thread_ts,
        )

    @message(r"(?P<first>\w+)(?P<op>[+*])(?P<second>\w+)")
    def calculate(self, first, second, op):
        if op == "+":
            result = int(first) + int(second)
        else:
            result = int(first) * int(second)
        self.say(f"Result: {result}", thread_ts=self.thread_ts)