class Dropdown(discord.ui.Select):
    def __init__(self, bot):
        self.bot = bot
        super().__init__(
            placeholder="Pick command category",
            min_values=0,
            max_values=1,
            options = [
                discord.SelectOption(label="Moderation", description="Moderation Commands", emoji="<:moderation:1040617929718378496>"),
                discord.SelectOption(label="Utility", description="Utility Commands", emoji="<:link:1033650348700733450> "),
                discord.SelectOption(label="Economy", description="Economy Commands", emoji="<:silvercoin:1025748669166784542>"),
                discord.SelectOption(label="Setup", description="Setup Commands", emoji="<:correct:1033650358158897183>")
            ]
        )
    async def interaction_check(self, interaction: discord.Interaction):
            if interaction.user != self.ctx.author:
                await interaction.response.send_message("Only the author can use this dropdown!", ephemeral=True)
                return False
            else:
                return True

    @staticmethod
    def chunks(lst: list, n):
            for i in range(0, len(lst), n):
                yield lst[i:i + n]
    async def callback(self, interaction: discord.Interaction):
            cogs = self.bot.cogs
            cogs = list(cogs.values())
            await interaction.response.defer()
            def find(cog):
                for x in cogs:
                    if x.__class__.__name__ == cog:
                        return x
            value = self.values[0]
            if value == "Moderation":
                j = find(cog="Mod")
                if j:
                    no = 0
                    _pages = []
                    buttons = [
                        PaginatorButton("first", label="<<-", style=discord.ButtonStyle.blurple),
                        PaginatorButton("prev", label="<-", style=discord.ButtonStyle.green),
                        PaginatorButton("page_indicator", style=discord.ButtonStyle.gray, disabled=True),
                        PaginatorButton("next", label="->", style=discord.ButtonStyle.green),
                        PaginatorButton("last", label="->>", style=discord.ButtonStyle.blurple),
                        ]
                    for p in self.chunks(list(j.walk_commands()), 5):
                        embed = discord.Embed(title="Commands", colour=discord.Color.random())
                        for k in p:
                            no += 1
                            embed.add_field(name=f"{no}.",
                                value=f"Command : {k.qualified_name}",
                                inline=False
                            )
                            _pages.append(embed)
                    if len(_pages) > 1:
                        paginator = Paginator(_pages, author_check=True, disable_on_timeout=True, use_default_buttons=False, custom_buttons=buttons)
                        await paginator.respond(interaction, ephemeral=True)
                    else:
                        await interaction.followup.send(embed=_pages[0], ephemeral=True)