From 25115ac447e5356ca865e625515eb7c1f55b39bc Mon Sep 17 00:00:00 2001
From: salmonik <salmonik@tuta.io>
Date: Wed, 9 Sep 2026 13:42:38 +0200
Subject: first draft

---
 src/commands/record.rs | 102 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 src/commands/record.rs

(limited to 'src/commands/record.rs')

diff --git a/src/commands/record.rs b/src/commands/record.rs
new file mode 100644
index 0000000..6f2cfcd
--- /dev/null
+++ b/src/commands/record.rs
@@ -0,0 +1,102 @@
+use tracing::warn;
+
+use crate::error::Result;
+use crate::lang;
+use crate::recording;
+
+type Context<'a> = poise::Context<'a, crate::Data, crate::error::Error>;
+
+/// Dump the last (up to 15 min) of voice activity as an mp3 to Copyparty.
+///
+/// The bot continuously records (into a rolling in-memory ring) while it is
+/// connected to a voice channel, if `RECORDING_ENABLED=true`. This command is a
+/// read-only snapshot — the buffer keeps recording afterwards. Only callable by
+/// someone in the same voice channel as the bot.
+#[poise::command(slash_command)]
+pub async fn record(ctx: Context<'_>) -> Result<()> {
+    ctx.defer().await?;
+    let data = ctx.data();
+
+    if !data.voice_manager.recording_enabled() {
+        ctx.say(lang::L_RECORD_DISABLED).await?;
+        return Ok(());
+    }
+
+    let guild_id = ctx.guild_id().ok_or_else(|| lang::err_not_in_guild())?;
+
+    // ── Same-VC gate (mirrors /join's voice-state check) ───────────────
+    let caller_channel = ctx.serenity_context().cache.guild(guild_id).and_then(|g| {
+        g.voice_states
+            .get(&ctx.author().id)
+            .and_then(|vs| vs.channel_id)
+    });
+    let caller_channel = match caller_channel {
+        Some(c) => c,
+        None => {
+            ctx.say(lang::L_RECORD_NOT_IN_VOICE).await?;
+            return Ok(());
+        }
+    };
+
+    let bot_channel = match data.voice_manager.get_call(guild_id) {
+        Some(call) => call.lock().await.current_channel(),
+        None => None,
+    };
+
+    match bot_channel {
+        None => {
+            ctx.say(lang::L_RECORD_NOT_RECORDING).await?;
+            Ok(())
+        }
+        Some(bc) if bc.0.get() != caller_channel.get() => {
+            ctx.say(lang::L_RECORD_NOT_SAME_VC).await?;
+            Ok(())
+        }
+        Some(_) => record_impl(ctx).await,
+    }
+}
+
+async fn record_impl(ctx: Context<'_>) -> Result<()> {
+    let data = ctx.data();
+
+    let Some(rec) = data.voice_manager.get_recorder().await else {
+        ctx.say(lang::L_RECORD_NOT_RECORDING).await?;
+        return Ok(());
+    };
+
+    let pcm = rec.flush();
+    let sample_rate = rec.sample_rate();
+    if pcm.is_empty() {
+        ctx.say(lang::L_RECORD_NOTHING).await?;
+        return Ok(());
+    }
+
+    let mp3 = match recording::encode_mp3(&pcm, sample_rate).await {
+        Ok(b) => b,
+        Err(e) => {
+            warn!("recording mp3 encode failed: {e}");
+            ctx.say(lang::L_RECORD_ENCODE_FAILED).await?;
+            return Ok(());
+        }
+    };
+
+    let filename = format!(
+        "nagranie-{}.mp3",
+        chrono::Local::now().format("%Y-%m-%d_%H-%M-%S")
+    );
+
+    match data.copyparty.upload(&filename, mp3).await {
+        Ok(url) => {
+            ctx.say(lang::fmt_record_uploaded(&url)).await?;
+        }
+        Err(e) => {
+            warn!("recording upload failed: {e}");
+            ctx.say(lang::L_RECORD_UPLOAD_FAILED).await?;
+        }
+    }
+    Ok(())
+}
+
+pub fn commands() -> Vec<poise::Command<crate::Data, crate::error::Error>> {
+    vec![record()]
+}
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