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/*
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) 2026 metamuffin <metamuffin.org>
*/
use super::error::MyResult;
use crate::{request_info::RequestInfo, responders::cache::CacheControlImage};
use anyhow::Context;
use rocket::{get, http::ContentType};
use std::path::PathBuf;
pub const AVIF_QUALITY: u32 = 70;
pub const AVIF_SPEED: u8 = 5;
#[get("/image/<path..>?<size>")]
pub async fn r_image(
ri: RequestInfo<'_>,
path: PathBuf,
size: Option<usize>,
) -> MyResult<(ContentType, CacheControlImage)> {
let size = size.unwrap_or(2048);
let path = path.to_string_lossy().to_string();
// fit the resolution into a finite set so the maximum cache is finite too.
let width = 2usize.pow(size.clamp(128, 2048).ilog2());
let encoded =
jellytranscoder::image::transcode(&ri.state.cache, &path, AVIF_QUALITY, AVIF_SPEED, width)
.context("transcoding asset")?;
Ok((ContentType::AVIF, CacheControlImage(encoded)))
}
// #[get("/n/<id>/image/<slot>?<size>")]
// pub async fn r_item_poster(
// session: A<Session>,
// id: A<NodeID>,
// slot: &str,
// size: Option<usize>,
// ) -> MyResult<Redirect> {
// let slot = PictureSlot::from_str(slot).map_err(|_| anyhow!("slot invalid"))?;
// let node = get_node(&session.0, id.0, false, false, NodeFilterSort::default())?;
// let picture = node
// .node
// .pictures
// .get(&slot)
// .cloned()
// .ok_or(anyhow!("no pic todo"))?;
// Ok(Redirect::permanent(rocket::uri!(r_image(picture, size))))
// }
// #[get("/n/<id>/thumbnail?<t>&<size>")]
// pub async fn r_node_thumbnail(
// session: A<Session>,
// id: A<NodeID>,
// t: f64,
// size: Option<usize>,
// ) -> MyResult<Redirect> {
// let picture = get_node_thumbnail(&session.0, id.0, t).await?;
// Ok(Redirect::permanent(rocket::uri!(r_image(picture, size))))
// }
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