import random
import asyncio
import struct

class Greetings:
    def __init__(self, server):
        self.server = server
        self.messages = ["Welcome %s!", "Beware! %s has arrived!", "A wild %s appears", "%s has come and is ready to pwn."]

    async def on_player_join(self, player):
        await self.server.broadcast_message(random.choice(self.messages) % player.name)
        #await Greetings.send_ping(player)

    @staticmethod
    async def send_ping(player):
        while 1:
            for ping in range(0, 999):
                await player.session.send_gamedata(b"\x2f\x02\x00\x00" + struct.pack("<H", ping) + b"\x00",acknow=True)  # acknow=True
            for ping in range(999, 0, -1):
                await player.session.send_gamedata(b"\x2f\x02\x00\x00" + struct.pack("<H", ping) + b"\x00",acknow=True)  # acknow=True

    async def on_map_change(self, newmap):
        await self.server.broadcast_message("You are now playing on "+newmap.mapname)


def setup(server):
    plugin = Greetings(server)
    server.add_plugin(plugin)