"""Example plugin demonstrating the derp plugin API."""

from derp.plugin import command, event


@command("echo", help="Echo back text")
async def cmd_echo(bot, message):
    """Repeat everything after the command.

    Usage: !echo <text>
    """
    parts = message.text.split(None, 1)
    if len(parts) > 1:
        await bot.reply(message, parts[1])
    else:
        await bot.reply(message, "Usage: !echo <text>")


@event("JOIN")
async def on_join(bot, message):
    """Greet users joining a channel (skip self)."""
    if message.nick and message.nick != bot.nick:
        await bot.send(message.target, f"Hey {message.nick}")