from maubot import Plugin, MessageEvent
from maubot.handlers import command


class Bot(Plugin):
    """Hello world bot for USERNAME"""

    @command.new("hello")
    async def hello_command(self, evt: MessageEvent) -> None:
        """Respond to !hello command"""
        await evt.reply(f"Hello from USERNAME's bot!")

    @command.new("ping")
    async def ping_command(self, evt: MessageEvent) -> None:
        """Respond to !ping command"""
        await evt.reply("Pong!")

    @command.new("whoami")
    async def whoami_command(self, evt: MessageEvent) -> None:
        """Tell the user who they are"""
        await evt.reply(f"You are {evt.sender}")