import re
import logging

from naff import (
    Extension,
    slash_command,
    slash_option,
    InteractionContext,
    OptionTypes,
    Client,
)
from naff.models.discord.enums import ButtonStyles, Permissions
from naff.models.discord.embed import Embed, EmbedAuthor, EmbedField
from naff.models.discord.components import ActionRow, Button


class QuoteExtension(Extension):
    def __init__(self, client: Client):
        self.client = client

    @slash_command(name="quote", description="Quote a message", dm_permission=False)
    @slash_option(
        name="url",
        description="Message URL",
        required=True,
        opt_type=OptionTypes.STRING,
    )
    async def quote_command(self, ctx: InteractionContext, url: str):

        url_match = re.match(
            r"https?://discord(?:app)?\.com/channels/(\d+)/(\d+)/(\d+)", url
        )
        if url_match is None:
            ctx.ephemeral = True
            await ctx.send("Invalid URL")
            return

        _, channel_id, message_id = url_match.groups()

        chan = await self.client.fetch_channel(channel_id)
        msg = await chan.fetch_message(message_id)

        if chan is None or msg is None:
            await ctx.send("Failed to get message", ephemeral=True)
            print(chan)
            print(msg)
            return

        if not (
            ctx.author.channel_permissions(chan)
            & (Permissions.VIEW_CHANNEL | Permissions.READ_MESSAGE_HISTORY)
        ) == (Permissions.VIEW_CHANNEL | Permissions.READ_MESSAGE_HISTORY):

            ctx.ephemeral = True
            await ctx.send(
                "You don't have permission to view this message", ephemeral=True
            )
            return

        author_embed = EmbedAuthor(
            name=msg.author.display_name, icon_url=msg.author.display_avatar.as_url()
        )
        embed = Embed(
            # title=msg.author.display_name,
            author=author_embed,
            description=msg.content,
            color=0x00FF00,
            timestamp=msg.created_at,
            url=url,
        )
        if len(msg.attachments) == 1 and msg.attachments[0].width is not None:
            embed.set_image(url=msg.attachments[0].url)
        elif len(msg.attachments) > 1:
            field = EmbedField(
                name="**Attachments**",
                value="\n".join(
                    [f"• [{a.filename}]({a.url})" for a in msg.attachments]
                ),
            )
            embed.fields.append(field)  # pylint: disable=E1101

        # pylint: disable=E1123
        components: list[ActionRow] = [
            ActionRow(
                Button(
                    style=ButtonStyles.LINK,
                    emoji="🔗",
                    url=url,
                )
            )
        ]

        await ctx.send(embed=embed, components=components)


def setup(bot):
    QuoteExtension(bot)
    logging.info("Quote extension loaded")