import discord
import dislash
from discord.ext import commands
from dislash.slash_commands import check

bot = commands.Bot(command_prefix="!")
inter_client = dislash.InteractionClient(bot)


class Greetings(commands.Cog):
    def __init__(self, bot):
        self.bot = bot
        self._last_member = None

    @commands.Cog.listener()
    async def on_member_join(self, member):
        channel = member.guild.system_channel
        if channel is not None:
            await channel.send('Welcome {0.mention}.'.format(member))

    @commands.command()
    async def hello(self, ctx, *, member: discord.Member = None):
        """Says hello"""
        member = member or ctx.author
        if self._last_member is None or self._last_member.id != member.id:
            await ctx.send('Hello {0.name}~'.format(member))
        else:
            await ctx.send('Hello {0.name}... This feels familiar.'.format(member))
        self._last_member = member


bot.add_cog(Greetings(bot))
bot.run("OTQ3OTUzOTAxNzgzNjIxNjYy.GTXbMv.KrztaTO7-ivsPEAVjsyikSQ-GP-ANwULmDraig")