"""
Bot command to post the highscores
"""

from nextcord.ext import commands
import nextcord

from cogs.submission.submission_views import SubmissionCreateButton  # pylint: disable=import-error
from highscores import highscores_data  # pylint: disable=import-error
from utilities.utils import send_highscore_message  # pylint: disable=import-error


class PostHighscores(commands.Cog, name="Post Highscores"):
    """Posts Highscores."""

    def __init__(self, bot: commands.Bot) -> None:
        """
        Default constructor for PostHighscores class

        Args:
            bot (commands.Bot): Bot object. Required to register submission button view.
        """
        self.bot = bot

    @nextcord.slash_command(
        description="Triggers post/update of highscores to registered highscore channel.",
        default_member_permissions=nextcord.Permissions(administrator=True),
    )
    async def post_highscore_tables(self, interaction: nextcord.Interaction) -> None:
        """
        A command which posts the highscore in the registered channel.
        Sends warning if no channel has been registered.
        """
        guild = highscores_data.get_guild(interaction.guild_id)
        print(f"Printing out highscores information in channel {guild.highscore_channel}")
        channel = interaction.guild.get_channel(guild.highscore_channel)

        # Error checking for registered highscore channel
        error_response = "Registered Highscores channel does not exist or was never registered. "
        error_response += 'Use "/register" to register channels.'
        assert channel is not None, await interaction.response(error_response, ephemeral=True)

        # Error checking for tables existing
        # TODO fill out response string once functionality created.
        error_response = "No tables have been created for this guild. Please create some tables."
        assert (
            len(highscores_data.get_guild(interaction.guild_id).tables) > 0
        ), await interaction.response(error_response, ephemeral=True)

        # awaiting response because posting scores takes a while
        await interaction.response.defer(ephemeral=True)

        for table in highscores_data.get_guild(interaction.guild_id).tables:
            message: nextcord.Message = await send_highscore_message(channel, guild, table)
            await message.edit(view=SubmissionCreateButton(self.bot))

        # have to save data here in case message id was changed. rather save here after all
        # messages have been sent.
        highscores_data.save_guild_data(guild)

        await interaction.followup.send(f"Posted all tables to <#{channel.id}>.", ephemeral=True)


# This function will be called when this extension is loaded.
# It is necessary to add these functions to the bot.
def setup(bot: commands.Bot):
    """Adds function to bot"""
    bot.add_cog(PostHighscores(bot))