#   _____                         _
#  / ____|                       (_)
# | (___   ___  __ _ _____      ___ _ __ ___  _ __ ___   ___ _ __
#  \___ \ / _ \/ _` / __\ \ /\ / / | '_ ` _ \| '_ ` _ \ / _ \ '__|
#  ____) |  __/ (_| \__ \\ V  V /| | | | | | | | | | | |  __/ |
# |_____/ \___|\__,_|___/ \_/\_/ |_|_| |_| |_|_| |_| |_|\___|_|

import re

import discord
from redbot.core import app_commands, checks, commands

from .config import config, register_config


class Art(commands.Cog):
    """TODO."""

    __author__ = "SeaswimmerTheFsh"
    __version__ = "0.1.0"

    def __init__(self, bot):
        self.bot = bot
        register_config(config)

    async def cog_load(self) -> None:
        self.add_dynamic_items(ApproveButton)
        self.add_dynamic_items(DenyButton)

    @app_commands.command()
    async def art(self, interaction: discord.Interaction, art: discord.Attachment):
        """Submit art.

        Parameters
        -----------
        art: discord.Attachment
            Upload your art submission here.
        """
        await interaction.response.defer(ephemeral=True)
        art_submission_channel = interaction.guild.get_channel(await config.guild(interaction.guild).art_submission_channel())
        if art_submission_channel is None:
            await interaction.followup.send("Art submission channel not set. Report this error to the server administrators.", ephemeral=True)
            return
        msg = await art_submission_channel.send(f"Art submission from {interaction.user.mention} ({interaction.user.id}):", file=await art.to_file())
        view = discord.ui.View(timeout=None)
        view.add_item(ApproveButton(interaction.id, msg, self.bot))
        view.add_item(DenyButton(interaction.id, msg, self.bot))
        msg.edit(view=view)
        await interaction.followup.send("Art submitted.", ephemeral=True)

    @commands.group()
    @checks.admin_or_permissions(manage_guild=True)
    async def artset(self, ctx: commands.Context):
        """Art submission settings."""

    @artset.command()
    async def submission(self, ctx: commands.Context, channel: discord.TextChannel):
        """Set the art submission channel."""
        await config.guild(ctx.guild).art_submission_channel.set(channel.id)
        await ctx.send(f"Art submission channel set to {channel.mention}.")

    @artset.command()
    async def result(self, ctx: commands.Context, channel: discord.TextChannel):
        """Set the art channel."""
        await config.guild(ctx.guild).art_channel.set(channel.id)
        await ctx.send(f"Art channel set to {channel.mention}.")

    @artset.command()
    async def list(self, ctx: commands.Context):
        """List all settings."""
        art_channel = ctx.guild.get_channel(await config.guild(ctx.guild).art_channel())
        art_submission_channel = ctx.guild.get_channel(await config.guild(ctx.guild).art_submission_channel())
        if art_channel:
            response_str = f"Art channel: {art_channel.mention}\n"
        else:
            response_str = "Art channel not set.\n"
        if art_submission_channel:
            response_str += f"Art submission channel: {art_submission_channel.mention}"
        else:
            response_str += "Art submission channel not set."
        await ctx.send(response_str)

class ApproveButton(discord.ui.DynamicItem([discord.ui.Button]), template=r'button:interaction:(?P<id>[0-9]+)'):
    def __init__(self, interaction_id: int, msg: discord.Message, bot) -> None:
        super().__init__(
            discord.ui.Button(
                label='Approve',
                style=discord.ButtonStyle.green,
                custom_id=f'art:approve:interaction:{interaction_id}',
                emoji='\N{THUMBS UP SIGN}',
            )
        )
        self.interaction_id: int = interaction_id
        self.msg = msg
        self.bot = bot

    @classmethod
    async def from_custom_id(cls, interaction: discord.Interaction, item: discord.ui.Button, match: re.Match[str], /):
        interaction_id = int(match['id'])
        return cls(interaction_id)

    async def interaction_check(self, interaction: discord.Interaction) -> bool:
        return self.bot.is_mod(interaction.user)

    async def callback(self, interaction: discord.Interaction):
        art_channel = interaction.guild.get_channel(await config.guild(interaction.guild).art_channel())
        if art_channel is None:
            await interaction.followup.send("Art channel not set. Report this error to the server administrators.", ephemeral=True)
            return
        content = self.msg.content
        await self.msg.edit(content=content + f"\n\n*This art submission was approved by {interaction.user.mention} ({interaction.user.id}).*")
        msg: discord.Message = await art_channel.send(f"Art submission from {interaction.user.mention} ({interaction.user.id}):", file=self.msg.attachments[0])
        await msg.add_reaction('\N{THUMBS UP SIGN}')
        await msg.add_reaction('\N{THUMBS DOWN SIGN}')


class DenyButton(discord.ui.DynamicItem[discord.ui.Button], template=r'button:interaction:(?P<id>[0-9]+)'):
    def __init__(self, interaction_id: int, msg: discord.Message, bot) -> None:
        super().__init__(
            discord.ui.Button(
                label='Deny',
                style=discord.ButtonStyle.red,
                custom_id=f'art:deny:interaction:{interaction_id}',
                emoji='\N{THUMBS DOWN SIGN}',
            )
        )
        self.interaction_id: int = interaction_id
        self.msg = msg
        self.bot = bot

    @classmethod
    async def from_custom_id(cls, interaction: discord.Interaction, item: discord.ui.Button, match: re.Match[str], /):
        interaction_id = int(match['id'])
        return cls(interaction_id)

    async def interaction_check(self, interaction: discord.Interaction) -> bool:
        return self.bot.is_mod(interaction.user)

    async def callback(self, interaction: discord.Interaction):
        content = self.msg.content
        await self.msg.edit(content=content + f"\n\n*This art submission was denied by {interaction.user.mention} ({interaction.user.id}).*")