autoroles = {}

@client.event
async def on_ready():
  global autoroles
  with open("autorole.json", "r") as f:
      autoroles = json.load(f)

@client.event
async def on_member_join(member):
    global welcome_channel_dict
    global autoroles
    #welcome message
    await client.get_channel(channel_id).send(embed=embed)

    role = discord.utils.get(member.guild.roles, id=autoroles[str(member.guild.id)])

    await member.add_roles(role)

@client.command()
@commands.has_permissions(administrator=True)
async def autorole(ctx, *, role : discord.Role=None):

  embed=discord.Embed(color=0x7289da, description=f"**Set autorole to** {role.mention}**?**")
  embed.set_footer(text="React with the wave reaction to confirm it!")
  msg = await ctx.send(embed=embed)

  def checkifnotbot(reaction, user):
      return user != client.user

  await msg.add_reaction('👋')

  reaction, user = await client.wait_for("reaction_add", timeout=60.0, check=checkifnotbot)

  if str(reaction.emoji) == "👋":

    embedw=discord.Embed(description=f"👋**Autorole set!**\n> Everytime someone joins the server they get the {role.mention} role!", color=0x7289da)
    await msg.edit(embed=embedw)
    await msg.clear_reactions()

    global autoroles
    autoroles[str(ctx.guild.id)] = role.id

    with open("autorole.json", "w") as f:
        json.dump(autoroles, f)