import discord
from discord.ext import commands
from chorus_bot.modality_map import modality_for_channel, direction_for_modality
from chorus_bot.ping import build_ping_embed


class ManualShareCog(commands.Cog):
    """Watches per-modality channels; forwards any new message as a ping in #inbox."""

    def __init__(self, bot: commands.Bot, config):
        self.bot = bot
        self.config = config

    @commands.Cog.listener()
    async def on_message(self, message: discord.Message):
        if message.author.bot:
            return
        if message.channel.id == self.config.inbox_channel_id:
            return  # inbox itself is not a source channel

        modality = modality_for_channel(message.channel.name)
        if modality is None:
            return

        attachment_urls = [attachment.url for attachment in message.attachments]

        raw_content = message.content
        if attachment_urls:
            attachments_block = "Attachments:\n" + "\n".join(attachment_urls)
            raw_content = f"{raw_content}\n\n{attachments_block}" if raw_content else attachments_block

        display_content = message.content or "(attachment only - see original message)"
        snippet = display_content if len(display_content) <= 120 else display_content[:117] + "..."

        embed = build_ping_embed(
            modality=modality,
            sender_id=None,
            snippet=snippet,
            raw_content=raw_content,
            captured_at=message.created_at,
            direction=direction_for_modality(modality),
            image_url=attachment_urls[0] if attachment_urls else None,
        )

        inbox = self.bot.get_channel(self.config.inbox_channel_id)
        role_mention = f"<@&{self.config.triage_role_id}>"
        await inbox.send(content=role_mention, embed=embed)


async def setup(bot: commands.Bot, config):
    await bot.add_cog(ManualShareCog(bot, config))