/*
    This file is part of jellything (https://codeberg.org/metamuffin/jellything)
    which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
    Copyright (C) 2025 metamuffin <metamuffin.org>
*/
use crate::{stream_info, SMediaInfo};
use anyhow::{anyhow, Result};
use jellybase::common::stream::StreamContainer;
use log::warn;
use std::sync::Arc;
use tokio::io::DuplexStream;
use tokio_util::io::SyncIoBridge;

pub async fn fragment_stream(
    mut b: DuplexStream,
    info: Arc<SMediaInfo>,
    track: usize,
    segment: usize,
    index: usize,
    format: usize,
    container: StreamContainer,
) -> Result<()> {
    let (iinfo, info) = stream_info(info).await?;
    let (file_index, track_num) = *iinfo
        .track_to_file
        .get(track)
        .ok_or(anyhow!("track not found"))?;
    let path = iinfo.paths[file_index].clone();

    // if let Some(profile) = None {
    //     perms.assert(&UserPermission::Transcode)?;
    //     let location = transcode(
    //         &format!("{track} {index} {:?}", node), // TODO maybe not use the entire source
    //         CONF.transcoding_profiles
    //             .get(profile)
    //             .ok_or(anyhow!("profile out of range"))?,
    //         move |b| {
    //             tokio::task::spawn_blocking(move || {
    //                 if let Err(err) = jellyremuxer::write_fragment_into(
    //                     SyncIoBridge::new(b),
    //                     &CONF.media_path,
    //                     &node,
    //                     &local_track,
    //                     track as usize,
    //                     false,
    //                     index,
    //                 ) {
    //                     warn!("segment stream error: {err}");
    //                 }
    //             });
    //         },
    //     )
    //     .await?;
    //     let mut output = File::open(location.abs()).await?;
    //     tokio::task::spawn(async move {
    //         if let Err(err) = tokio::io::copy(&mut output, &mut b).await {
    //             warn!("cannot write stream: {err}")
    //         }
    //     });
    // } else {
    let b = SyncIoBridge::new(b);
    tokio::task::spawn_blocking(move || {
        if let Err(err) = jellyremuxer::write_fragment_into(
            b,
            &path,
            track_num,
            container == StreamContainer::WebM,
            &info.name.unwrap_or_default(),
            index,
        ) {
            warn!("segment stream error: {err}");
        }
    });
    // }

    Ok(())
}