#!/usr/bin/env python3
"""
This plugin is used to test the `rpc_command` hook.
"""
from lightning import Plugin

plugin = Plugin(dynamic=False)


@plugin.hook("rpc_command")
def on_rpc_command(plugin, rpc_command, **kwargs):
    request = rpc_command["rpc_command"]
    if request["method"] == "invoice":
        # Replace part of this command
        request["params"]["description"] = "A plugin modified this description"
        return {"replace": request}
    elif request["method"] == "listfunds":
        # Return a custom result to the command
        return {"return": {"result": ["Custom result"]}}
    elif request["method"] == "sendpay":
        # Don't allow this command to be executed
        return {"return": {"error": {"code": -1,
                                     "message": "You cannot do this"}}}
    return {"continue": True}


plugin.run()