From 867785422ca4ae568abc2101aebdb327ce232dd6 Mon Sep 17 00:00:00 2001
From: Igor Katson <igor.katson@gmail.com>
Date: Mon, 29 Apr 2024 17:40:44 +0100
Subject: [PATCH] update a cuople error messages

---
 crates/librqbit/src/torrent_state/mod.rs       | 10 ++++++++++
 crates/librqbit/src/torrent_state/streaming.rs |  6 +++---
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/crates/librqbit/src/torrent_state/mod.rs b/crates/librqbit/src/torrent_state/mod.rs
index 752beb4..95259fe 100644
--- a/crates/librqbit/src/torrent_state/mod.rs
+++ b/crates/librqbit/src/torrent_state/mod.rs
@@ -55,6 +55,16 @@ pub enum ManagedTorrentState {
 }
 
 impl ManagedTorrentState {
+    pub fn name(&self) -> &'static str {
+        match self {
+            ManagedTorrentState::Initializing(_) => "initializing",
+            ManagedTorrentState::Paused(_) => "paused",
+            ManagedTorrentState::Live(_) => "live",
+            ManagedTorrentState::Error(_) => "error",
+            ManagedTorrentState::None => "<invalid: none>",
+        }
+    }
+
     fn assert_paused(self) -> TorrentStatePaused {
         match self {
             Self::Paused(paused) => paused,
diff --git a/crates/librqbit/src/torrent_state/streaming.rs b/crates/librqbit/src/torrent_state/streaming.rs
index ec98835..f53d288 100644
--- a/crates/librqbit/src/torrent_state/streaming.rs
+++ b/crates/librqbit/src/torrent_state/streaming.rs
@@ -300,9 +300,9 @@ impl ManagedTorrent {
             let files = match s {
                 crate::ManagedTorrentState::Paused(p) => &p.files,
                 crate::ManagedTorrentState::Live(l) => &l.files,
-                _ => anyhow::bail!("invalid state"),
+                s => anyhow::bail!("with_opened_file: invalid state {}", s.name()),
             };
-            let fd = files.get(file_id).context("invalid file")?;
+            let fd = files.get(file_id).context("invalid file id")?;
             Ok(f(fd))
         })
     }
@@ -311,7 +311,7 @@ impl ManagedTorrent {
         self.with_state(|s| match s {
             crate::ManagedTorrentState::Paused(p) => Ok(p.streams.clone()),
             crate::ManagedTorrentState::Live(l) => Ok(l.streams.clone()),
-            _ => anyhow::bail!("invalid state"),
+            s => anyhow::bail!("streams: invalid state {}", s.name()),
         })
     }