import io
import random
import asyncio
import logging
import traceback
from typing import Optional, TYPE_CHECKING
import discord
import requests
from discord.ext import bridge, commands
from disc_havoc import Havoc
import util

if TYPE_CHECKING:
    from cogs.message_logger import MessageLogger


class Owner(commands.Cog):
    """Owner Cog for Havoc"""

    def __init__(self, bot: Havoc) -> None:
        self.bot: Havoc = bot
        self.former_roles_store: dict[int, list[discord.Role]] = {}
        self._temperature: int = random.randrange(20, 30)

    @bridge.bridge_command(guild_ids=[1145182936002482196])
    async def temperature(self, ctx, temp: Optional[int | str] = None) -> None:
        """
        Set Temperature
        """
        if not temp:
            return await ctx.respond(
                f"The current temperature is: {self._temperature} °C"
            )

        if not self.bot.is_owner(ctx.author):
            return await ctx.respond("I am afraid I can't let you do that.")
        try:
            _temperature: int = int(temp)
        except Exception as e:
            logging.debug("Exception: %s", str(e))
            return await ctx.respond("Invalid input")
        if _temperature < -15:
            return await ctx.respond("Too cold! (-15°C minimum)")
        elif _temperature > 35:
            return await ctx.respond("Too hot! (35°C maximum)")
        self._temperature = _temperature
        return await ctx.respond(
            f"As per your request, I have adjusted the temperature to {_temperature} °C."
        )

    @bridge.bridge_command()
    @commands.is_owner()
    async def editmsg(self, ctx, msgid: str, *, newcontent: str) -> None:
        """
        Edit a message previously sent by the bot
        """

        try:
            message: Optional[discord.Message] = self.bot.get_message(int(msgid))
            if not message:
                await ctx.respond(
                    f"**Failed:** Message {msgid} not found.", ephemeral=True
                )
                return None
            await message.edit(content=newcontent)
            await ctx.respond("**Done!**", ephemeral=True)
        except Exception as e:
            await ctx.respond(f"**Failed:** {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def reload(self, ctx) -> None:
        """
        Reload Cogs
        """

        self.bot.load_exts(False)
        await ctx.respond("Reloaded!", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def say(self, ctx, *, parameters: str) -> None:
        """
        Make me say something in a channel
        """
        _parameters: list[str] = parameters.split(" ")

        if not len(_parameters) > 1:
            return await ctx.respond(
                "**Error**: Incorrect command usage; required: <chan> <msg>",
                ephemeral=True,
            )

        channel: str = _parameters[0]
        channel_mentions: list[int] = discord.utils.raw_channel_mentions(channel)
        if channel_mentions:
            channel = str(channel_mentions[0])
        msg: str = " ".join(_parameters[1:])
        await util.discord_helpers.send_message(self.bot, channel=channel, message=msg)
        return await ctx.respond("**Done.**", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def chgstatus(self, ctx, *, status: Optional[str] = None) -> None:
        """
        Change bots status
        """
        if not status:
            return await ctx.respond(
                "ERR: No status provided to change to!", ephemeral=True
            )

        await self.bot.change_presence(
            status=discord.Status.online,
            activity=discord.CustomActivity(name=status.strip()),
        )
        await ctx.respond("Done!", ephemeral=True)

    @commands.message_command(name="Remove Messages Starting Here")
    @commands.is_owner()
    async def purge(self, ctx, message: discord.Message) -> None:
        """
        Purge Messages

        Args:
            ctx (Any): Discord context
            message (discord.Message): Discord message
        Returns:
            None
        """
        try:
            await ctx.channel.purge(
                after=message,
                bulk=True,
                limit=900000,
                reason=f"Purge initiated by {ctx.author.display_name}",
            )
            await message.delete(reason=f"Purge initiated by {ctx.author.display_name}")
            await ctx.respond("**Done!**")
            # Wait 3 seconds, then delete interaction
            await asyncio.sleep(3)
            interaction = await ctx.interaction.original_response()
            await interaction.delete()
        except Exception as e:
            traceback.print_exc()
            return await ctx.respond(f"**ERR: {str(e)}**")

    @commands.message_command(name="Move to Memes")
    @commands.is_owner()
    async def movememe(self, ctx, message: discord.Message) -> None:
        """
        Move to Memes

        Args:
            ctx (Any): Discord context
            message (discord.Message): Discord message
        Returns:
            None
        """
        try:
            if not isinstance(message.channel, discord.TextChannel):
                return
            memes_channel: discord.TextChannel = ctx.guild.get_channel(
                1147229098544988261
            )
            message_content: str = message.content
            message_author: str = message.author.display_name
            message_channel: str = message.channel.name
            _file: Optional[discord.File] = None
            if message.attachments:
                for item in message.attachments:
                    if item.url and len(item.url) >= 20:
                        response = requests.get(item.url, stream=True, timeout=20)
                        image_data: bytes = response.raw.read() or b''
                        image: io.BytesIO = io.BytesIO(image_data)
                        ext: str = item.url.split(".")[-1].split("?")[0].split("&")[0]
                        _file = discord.File(image, filename=f"img.{ext}")
            if not _file:
                return  # No file to move
            await memes_channel.send(
                f"*Performing bureaucratic duties (this didn't belong in #{message_channel})...*\n**{message_author}:** {message_content}",
                file=_file,
            )
            await message.delete()
            await ctx.respond("OK!", ephemeral=True)
        except Exception as e:
            logging.debug("Exception: %s", str(e))
            traceback.print_exc()
            return await ctx.respond("Failed! :(", ephemeral=True)

    @commands.message_command(name="Move to Drugs")
    @commands.is_owner()
    async def movedrugs(self, ctx, message: discord.Message) -> None:
        """
        Move to Drugs

        Args:
            ctx (Any): Discord context
            message (discord.Message): Discord message
        Returns:
            None
        """
        try:
            if not isinstance(message.channel, discord.TextChannel):
                return
            drugs_channel: discord.TextChannel = ctx.guild.get_channel(
                1172247451047034910
            )
            message_content: str = message.content
            message_author: str = message.author.display_name
            message_channel: str = message.channel.name
            _file: Optional[discord.File] = None
            if message.attachments:
                for item in message.attachments:
                    if item.url and len(item.url) >= 20:
                        response = requests.get(item.url, stream=True, timeout=20)
                        image_data: bytes = response.raw.read() or b''
                        image: io.BytesIO = io.BytesIO(image_data)
                        ext: str = item.url.split(".")[-1].split("?")[0].split("&")[0]
                        _file = discord.File(image, filename=f"img.{ext}")
            if not _file:
                return  # No file to move
            await drugs_channel.send(
                f"*Performing bureaucratic duties (this didn't belong in #{message_channel})...\
                *\n**{message_author}:** {message_content}",
                file=_file,
            )
            await message.delete()
            await ctx.respond("OK!", ephemeral=True)
        except Exception as e:
            logging.debug("Exception: %s", str(e))
            traceback.print_exc()
            return await ctx.respond("Failed! :(", ephemeral=True)

    @commands.message_command(name="Move to fun-house")
    @commands.is_owner()
    async def movefunhouse(self, ctx, message: discord.Message) -> None:
        """
        Move to fun-house

        Args:
            ctx (Any): Discord context
            message (discord.Message): Discord message
        Returns:
            None
        """
        try:
            if not isinstance(message.channel, discord.TextChannel):
                return
            funhouse_channel: discord.TextChannel = ctx.guild.get_channel(
                1213160512364478607
            )
            message_content: str = message.content
            message_author: str = message.author.display_name
            message_channel: str = message.channel.name
            _file: Optional[discord.File] = None
            if message.attachments:
                for item in message.attachments:
                    if item.url and len(item.url) >= 20:
                        response = requests.get(item.url, stream=True, timeout=20)
                        image_data: bytes = response.raw.read() or b''
                        image: io.BytesIO = io.BytesIO(image_data)
                        ext: str = item.url.split(".")[-1].split("?")[0].split("&")[0]
                        _file = discord.File(image, filename=f"img.{ext}")
            await funhouse_channel.send(
                f"*Performing bureaucratic duties (this didn't belong in #{message_channel})\
                ...*\n**{message_author}:** {message_content}"
            )
            await message.delete()
            await ctx.respond("OK!", ephemeral=True)
        except Exception as e:
            logging.debug("Exception: %s", str(e))
            traceback.print_exc()
            return await ctx.respond("Failed! :(", ephemeral=True)

    @commands.user_command(name="Einsperren!", guild_ids=[145182936002482196])
    @commands.is_owner()
    async def einsperren(self, ctx, member: discord.Member) -> None:
        """
        Einsperren!

        Args:
            ctx (Any): Discord context
            member (discord.Member): Discord member
        Returns:
            None
        """
        try:
            if not ctx.guild.id == 1145182936002482196:
                return  # Not home server!
            if not member.roles:
                return  # No roles
            audit_reason: str = f"Einsperren von {ctx.user.display_name}"
            member = ctx.guild.get_member(member.id)
            member_display: str = member.display_name
            einsperren_role: discord.Role = (
                ctx.guild.get_role(1235415059300093973)
                if ctx.guild.id != 1145182936002482196
                else ctx.guild.get_role(1235406301614309386)
            )
            member_roles: list = [
                role for role in member.roles if not role.name == "@everyone"
            ]
            member_role_names: list[str] = [
                str(role.name).lower() for role in member_roles
            ]
            opers_chan: discord.TextChannel = ctx.guild.get_channel(1181416083287187546)
            if "einsperren" not in member_role_names:
                try:
                    if member.id in self.former_roles_store:
                        self.former_roles_store.pop(member.id)
                    self.former_roles_store[member.id] = member.roles
                except:  # noqa
                    """Safe to ignore"""
                    pass
                try:
                    await member.edit(roles=[einsperren_role], reason=audit_reason)
                    await ctx.respond(
                        f"Gesendet {member_display} an einsperren.", ephemeral=True
                    )
                    await opers_chan.send(
                        f"@everyone: {ctx.user.display_name} gesendet {member_display} an einsperren."
                    )
                except Exception as e:
                    logging.debug("Exception: %s", str(e))
                    traceback.print_exc()
                    return await ctx.respond("GOTTVERDAMMT!!", ephemeral=True)
                self.former_roles_store[member.id] = member.roles

            if member.id not in self.former_roles_store:
                await member.edit(roles=[])  # No roles
            else:
                former_roles: list = self.former_roles_store.get(member.id, [0])
                await member.edit(roles=former_roles, reason=f"De-{audit_reason}")

            await ctx.respond(
                f"{member_display} wurde von der Einsperre befreit.", ephemeral=True
            )
            await opers_chan.send(
                f"{member_display} wurde von {ctx.user.display_name} aus der Einsperre befreit."
            )
        except Exception as e:
            traceback.print_exc()
            return await ctx.respond(f"ERR: {str(e)}", ephemeral=True)

    def _get_message_logger(self) -> Optional["MessageLogger"]:
        """Get the MessageLogger cog with proper typing."""
        cog = self.bot.get_cog('MessageLogger')
        if cog is None:
            return None
        return cog  # type: ignore[return-value]

    @bridge.bridge_command()
    @commands.is_owner()
    async def db_stats(self, ctx) -> None:
        """Get database statistics including image cache info."""
        try:
            # Get the message logger cog to access the database
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db:
                return await ctx.respond("Database not available.", ephemeral=True)
            
            stats = await logger_cog.db.get_stats()
            uncached = await logger_cog.db.get_uncached_counts()
            
            embed = discord.Embed(title="Database Statistics", color=discord.Color.blue())
            embed.add_field(name="Messages", value=f"{stats.get('total_messages', 0):,}", inline=True)
            embed.add_field(name="Users", value=f"{stats.get('total_users', 0):,}", inline=True)
            embed.add_field(name="Guilds", value=f"{stats.get('total_guilds', 0):,}", inline=True)
            embed.add_field(name="Channels", value=f"{stats.get('total_channels', 0):,}", inline=True)
            embed.add_field(name="Attachments", value=f"{stats.get('total_attachments', 0):,}", inline=True)
            embed.add_field(name="Reactions", value=f"{stats.get('total_reactions', 0):,}", inline=True)
            embed.add_field(name="Cached Images", value=f"{stats.get('cached_images', 0):,}", inline=True)
            embed.add_field(name="Cache Size", value=f"{stats.get('cached_images_size_mb', 0):.2f} MB", inline=True)
            embed.add_field(name="Deleted Messages", value=f"{stats.get('deleted_messages', 0):,}", inline=True)
            
            # Uncached counts
            uncached_text = (
                f"Avatars: {uncached.get('users_missing_avatars', 0):,}\n"
                f"Banners: {uncached.get('users_missing_banners', 0):,}\n"
                f"Guild Avatars: {uncached.get('members_missing_guild_avatars', 0):,}\n"
                f"Attachments: {uncached.get('attachments_missing_cache', 0):,}"
            )
            embed.add_field(name="Uncached Images", value=uncached_text, inline=False)
            
            # Cache breakdown by type
            if stats.get('cached_by_type'):
                breakdown = "\n".join(f"{k}: {v:,}" for k, v in stats['cached_by_type'].items())
                embed.add_field(name="Cache by Type", value=breakdown or "None", inline=False)
            
            await ctx.respond(embed=embed)
        except Exception as e:
            logging.error(f"Error getting db stats: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def backfill_avatars(self, ctx, batch_size: int = 50, max_batches: int = 10) -> None:
        """Backfill missing avatar images into the cache."""
        try:
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db:
                return await ctx.respond("Database not available.", ephemeral=True)
            
            await ctx.respond(f"Starting avatar backfill (batch_size={batch_size}, max_batches={max_batches})...")
            
            stats = await logger_cog.db.backfill_missing_avatars(batch_size, max_batches)
            
            embed = discord.Embed(title="Avatar Backfill Complete", color=discord.Color.green())
            embed.add_field(name="Avatars", value=f"{stats['avatars_cached']}/{stats['avatars_processed']} cached", inline=True)
            embed.add_field(name="Banners", value=f"{stats['banners_cached']}/{stats['banners_processed']} cached", inline=True)
            embed.add_field(name="Guild Avatars", value=f"{stats['guild_avatars_cached']}/{stats['guild_avatars_processed']} cached", inline=True)
            
            await ctx.respond(embed=embed)
        except Exception as e:
            logging.error(f"Error in backfill_avatars: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def backfill_attachments(self, ctx, batch_size: int = 50, max_batches: int = 10) -> None:
        """Backfill missing attachment images into the cache."""
        try:
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db:
                return await ctx.respond("Database not available.", ephemeral=True)
            
            await ctx.respond(f"Starting attachment backfill (batch_size={batch_size}, max_batches={max_batches})...")
            
            stats = await logger_cog.db.backfill_missing_attachments(batch_size, max_batches)
            
            embed = discord.Embed(title="Attachment Backfill Complete", color=discord.Color.green())
            embed.add_field(name="Attachments", value=f"{stats['attachments_cached']}/{stats['attachments_processed']} cached", inline=True)
            
            await ctx.respond(embed=embed)
        except Exception as e:
            logging.error(f"Error in backfill_attachments: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def reset_history(self, ctx, guild_id: Optional[str] = None) -> None:
        """Reset history fetch progress to re-fetch messages (and reactions)."""
        try:
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db or not logger_cog.db.pool:
                return await ctx.respond("Database not available.", ephemeral=True)
            
            pool = logger_cog.db.pool
            assert pool is not None  # Already checked above
            async with pool.acquire() as conn:
                if guild_id:
                    # Reset for specific guild
                    gid = int(guild_id)
                    await conn.execute("""
                        UPDATE history_fetch_progress SET is_complete = FALSE, messages_fetched = 0
                        WHERE channel_id IN (SELECT channel_id FROM channels WHERE guild_id = $1)
                    """, gid)
                    await ctx.respond(f"Reset history progress for guild {guild_id}. Re-queueing channels...")
                    
                    # Re-queue channels for this guild
                    guild = self.bot.get_guild(gid)
                    if guild:
                        for channel in guild.channels:
                            if isinstance(channel, (discord.TextChannel, discord.Thread)):
                                await logger_cog.history_fetch_queue.put(channel)
                        await ctx.respond(f"Queued {len([c for c in guild.channels if isinstance(c, (discord.TextChannel, discord.Thread))])} channels for re-fetch.")
                else:
                    # Reset all
                    await conn.execute("UPDATE history_fetch_progress SET is_complete = FALSE, messages_fetched = 0")
                    await ctx.respond("Reset all history progress. Re-queueing all channels...")
                    
                    # Re-queue all channels
                    await logger_cog._queue_all_channels_for_history()
                    await ctx.respond(f"Queued {logger_cog.history_fetch_queue.qsize()} channels for re-fetch.")
                    
        except Exception as e:
            logging.error(f"Error in reset_history: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def history_status(self, ctx) -> None:
        """Check the status of history fetching."""
        try:
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db or not logger_cog.db.pool:
                return await ctx.respond("Database not available.", ephemeral=True)
            
            queue_size = logger_cog.history_fetch_queue.qsize()
            is_fetching = logger_cog.is_fetching_history
            
            pool = logger_cog.db.pool
            assert pool is not None  # Already checked above
            async with pool.acquire() as conn:
                total_channels = await conn.fetchval("SELECT COUNT(*) FROM history_fetch_progress")
                complete = await conn.fetchval("SELECT COUNT(*) FROM history_fetch_progress WHERE is_complete = TRUE")
                incomplete = await conn.fetchval("SELECT COUNT(*) FROM history_fetch_progress WHERE is_complete = FALSE")
                total_fetched = await conn.fetchval("SELECT SUM(messages_fetched) FROM history_fetch_progress")
            
            embed = discord.Embed(title="History Fetch Status", color=discord.Color.blue())
            embed.add_field(name="Queue Size", value=f"{queue_size} channels", inline=True)
            embed.add_field(name="Is Fetching", value="Yes" if is_fetching else "No", inline=True)
            embed.add_field(name="Channels Tracked", value=f"{total_channels or 0}", inline=True)
            embed.add_field(name="Complete", value=f"{complete or 0}", inline=True)
            embed.add_field(name="Incomplete", value=f"{incomplete or 0}", inline=True)
            embed.add_field(name="Messages Fetched", value=f"{total_fetched or 0:,}", inline=True)
            
            await ctx.respond(embed=embed)
        except Exception as e:
            logging.error(f"Error in history_status: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def video_status(self, ctx) -> None:
        """Check video caching status and failures."""
        try:
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db or not logger_cog.db.pool:
                return await ctx.respond("Database not available.", ephemeral=True)
            
            counts = await logger_cog.db.get_uncached_video_counts()
            
            embed = discord.Embed(title="Video Cache Status", color=discord.Color.blue())
            embed.add_field(name="Cached Videos", value=f"{counts.get('total_cached_videos', 0):,}", inline=True)
            embed.add_field(name="Total Size", value=f"{counts.get('total_cached_videos_size_gb', 0):.2f} GB", inline=True)
            embed.add_field(name="Failed Downloads", value=f"{counts.get('failed_video_downloads', 0):,}", inline=True)
            embed.add_field(name="Attachments Pending", value=f"{counts.get('attachments_missing_video_cache', 0):,}", inline=True)
            embed.add_field(name="Embeds Pending", value=f"{counts.get('embeds_missing_video_cache', 0):,}", inline=True)
            
            await ctx.respond(embed=embed)
        except Exception as e:
            logging.error(f"Error in video_status: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def video_failures(self, ctx, limit: int = 10) -> None:
        """Show recent video download failures."""
        try:
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db or not logger_cog.db.pool:
                return await ctx.respond("Database not available.", ephemeral=True)
            
            failures = await logger_cog.db.get_video_download_failures(limit)
            
            if not failures:
                return await ctx.respond("No video download failures recorded.", ephemeral=True)
            
            lines = []
            for f in failures:
                url = f['source_url'][:60] + "..." if len(f['source_url']) > 60 else f['source_url']
                error = f['error_message'][:80] + "..." if f['error_message'] and len(f['error_message']) > 80 else f['error_message']
                lines.append(f"**{f['source_type']}** (x{f['error_count']}): `{url}`\n  └ {error}")
            
            content = "\n".join(lines[:10])  # Limit to avoid message too long
            embed = discord.Embed(title=f"Video Failures (showing {len(failures)})", description=content, color=discord.Color.red())
            await ctx.respond(embed=embed)
        except Exception as e:
            logging.error(f"Error in video_failures: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def video_retry(self, ctx, older_than_days: int = 7) -> None:
        """Clear old video failures to allow retrying downloads."""
        try:
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db or not logger_cog.db.pool:
                return await ctx.respond("Database not available.", ephemeral=True)
            
            deleted = await logger_cog.db.clear_video_failures(older_than_days)
            await ctx.respond(f"Cleared {deleted} video failures older than {older_than_days} days. They will be retried on next backfill cycle.", ephemeral=True)
        except Exception as e:
            logging.error(f"Error in video_retry: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def video_retry_all(self, ctx) -> None:
        """Clear ALL video failures to retry everything."""
        try:
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db or not logger_cog.db.pool:
                return await ctx.respond("Database not available.", ephemeral=True)
            
            pool = logger_cog.db.pool
            async with pool.acquire() as conn:
                result = await conn.execute("DELETE FROM video_download_failures")
                try:
                    deleted = int(result.split()[-1])
                except Exception:
                    deleted = 0
            
            await ctx.respond(f"Cleared {deleted} video failures. All will be retried on next backfill cycle.", ephemeral=True)
        except Exception as e:
            logging.error(f"Error in video_retry_all: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def video_retry_fetch(self, ctx, limit: int = 20) -> None:
        """Attempt to refresh attachment URLs for recent failed attachment downloads.

        This will look up failures for source_type='attachment', find the related message
        and attachment by filename, update the URL in the DB, and remove the failure
        so the next backfill cycle retries it.
        """
        try:
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db or not logger_cog.db.pool:
                return await ctx.respond("Database not available.", ephemeral=True)

            pool = logger_cog.db.pool
            async with pool.acquire() as conn:
                failures = await conn.fetch("SELECT source_url, source_type FROM video_download_failures WHERE source_type = 'attachment' ORDER BY last_failure DESC LIMIT $1", limit)

            if not failures:
                return await ctx.respond("No recent attachment download failures found.", ephemeral=True)

            found = 0
            updated = 0
            not_found = []

            for f in failures:
                found += 1
                src_url = f['source_url']
                # Find attachment row matching this url
                async with pool.acquire() as conn:
                    row = await conn.fetchrow("SELECT attachment_id, message_id, filename FROM attachments WHERE url = $1 LIMIT 1", src_url)

                if not row:
                    not_found.append(src_url)
                    continue

                attachment_id = row['attachment_id']
                message_id = row['message_id']
                filename = row['filename']

                # Lookup message channel
                async with pool.acquire() as conn:
                    ch_row = await conn.fetchrow("SELECT channel_id FROM messages WHERE message_id = $1 LIMIT 1", message_id)

                if not ch_row or not ch_row.get('channel_id'):
                    not_found.append(src_url)
                    continue

                channel_id = ch_row['channel_id']
                channel = self.bot.get_channel(channel_id)
                if not channel:
                    not_found.append(src_url)
                    continue

                try:
                    # channel might be a cached object without fetch_message; try to fetch if necessary
                    if not hasattr(channel, 'fetch_message'):
                        try:
                            channel = await self.bot.fetch_channel(channel_id)
                        except Exception:
                            raise

                    # Use getattr and hasattr so static analyzers don't complain
                    if hasattr(channel, 'fetch_message'):
                        fetch = getattr(channel, 'fetch_message')
                        message = await fetch(message_id)
                    else:
                        raise RuntimeError("channel doesn't support fetch_message")
                except Exception:
                    not_found.append(src_url)
                    continue

                # Find updated attachment by filename
                new_url = None
                for att in message.attachments:
                    if att.filename == filename:
                        new_url = att.url
                        break

                if not new_url:
                    not_found.append(src_url)
                    continue

                # Update DB with new URL and remove failure
                async with pool.acquire() as conn:
                    await conn.execute("UPDATE attachments SET url = $1 WHERE attachment_id = $2", new_url, attachment_id)
                    await conn.execute("DELETE FROM video_download_failures WHERE source_url = $1", src_url)
                    updated += 1

            resp = f"Scanned {found} failures; updated {updated} attachment URLs; {len(not_found)} not updated."
            if not_found:
                resp += "\nNot updated examples: " + ", ".join(not_found[:3])

            await ctx.respond(resp, ephemeral=True)

        except Exception as e:
            logging.error(f"Error in video_retry_fetch: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)

    @bridge.bridge_command()
    @commands.is_owner()
    async def video_backfill(self, ctx, batch_size: int = 10, max_batches: int = 0) -> None:
        """Trigger a video backfill run. Set max_batches=0 (default) for unlimited.
        
        Usage: 
          .video_backfill              (unlimited with batch_size=10)
          .video_backfill 25           (unlimited with batch_size=25)
          .video_backfill 10 100       (batch_size=10, max_batches=100)
        """
        try:
            logger_cog = self._get_message_logger()
            if not logger_cog or not logger_cog.db or not logger_cog.db.pool:
                return await ctx.respond("Database not available.", ephemeral=True)

            # Check counts first
            counts = await logger_cog.db.get_uncached_video_counts()
            msg_pending = counts.get('messages_with_uncached_videos', 0)
            att_pending = counts.get('attachments_missing_video_cache', 0)
            emb_pending = counts.get('embeds_missing_video_cache', 0)
            
            if msg_pending == 0:
                return await ctx.respond(f"No videos need caching. (Cached: {counts.get('total_cached_videos', 0)}, Failed: {counts.get('failed_video_downloads', 0)})", ephemeral=True)

            # If max_batches=0, pass None to mean unlimited batches
            cap = None if max_batches == 0 else max_batches

            await ctx.respond(f"Starting video backfill (batch_size={batch_size}, max_batches={'unlimited' if cap is None else max_batches})...\nMessages with uncached videos: {msg_pending} ({att_pending} attachments, {emb_pending} embeds)", ephemeral=True)

            stats = await logger_cog.db.backfill_missing_videos(batch_size=batch_size, max_batches=cap)

            embed = discord.Embed(title="Video Backfill Complete", color=discord.Color.green())
            embed.add_field(name="Attachments Processed", value=str(stats.get('attachments_processed', 0)), inline=True)
            embed.add_field(name="Attachments Cached", value=str(stats.get('attachments_cached', 0)), inline=True)
            embed.add_field(name="Embeds Processed", value=str(stats.get('embeds_processed', 0)), inline=True)
            embed.add_field(name="Embeds Cached", value=str(stats.get('embeds_cached', 0)), inline=True)
            await ctx.respond(embed=embed, ephemeral=True)
        except Exception as e:
            logging.error(f"Error in video_backfill: {e}")
            traceback.print_exc()
            await ctx.respond(f"Error: {str(e)}", ephemeral=True)


def setup(bot) -> None:
    """Run on Cog Load"""
    bot.add_cog(Owner(bot))