use std::path::PathBuf;
 
 use crate::preview_pane::PreviewPane;
 
 // ── Data ────────────────────────────────────────────────────────────
 
 #[derive(Debug, Clone)]
 pub enum PreviewMessage {
     SetPath { path: PathBuf },
     Clear,
     /// `generation` is the request's (`FsRequest::ReadPreview`); the app
     /// drops any but the newest before it gets here.
     PreviewLoaded { path: PathBuf, generation: u64, data: crate::services::fs::PreviewData },
 }
 
 // ── Update ──────────────────────────────────────────────────────────
 
 pub fn update(state: &mut PreviewPane, msg: PreviewMessage) {
     match msg {
         PreviewMessage::Clear => {
             // Free the texture BEFORE the wholesale replace — a plain
             // Default::default() swap would leak the uploaded id.
             state.set_image(None);
             *state = PreviewPane::default();
         }
         PreviewMessage::SetPath { path: _ } => {
             // Deprecated direct SetPath, as we now load previews via the FsService.
         }
         PreviewMessage::PreviewLoaded { path, data, .. } => {
             state.path_display = path.to_string_lossy().to_string();
             state.path = Some(path);
             state.name = data.name;
             state.is_dir = data.is_dir;
             state.size = data.size;
             state.permissions = data.permissions;
             state.modified = data.modified;
             state.file_type = data.file_type;
             state.target = data.target;
             state.content_preview = data.content_preview;
             state.set_image(data.image_preview.map(|img| (img.pixels, img.width, img.height)));
             state.reset_scroll();
         }
     }
 }