use std::sync::Arc;
use zeph_channels::AnyChannel;
use zeph_channels::CliChannel;
use zeph_channels::JsonCliChannel;
#[cfg(feature = "discord")]
use zeph_channels::discord::DiscordChannel;
#[cfg(feature = "slack")]
use zeph_channels::slack::SlackChannel;
use zeph_channels::telegram::TelegramChannel;
use crate::execution_mode::ExecutionMode;
#[cfg(feature = "tui")]
use zeph_core::channel::{
Channel, ChannelError, ChannelMessage, StopHint, ToolOutputEvent, ToolStartEvent,
};
use zeph_core::config::Config;
use zeph_core::json_event_sink::JsonEventSink;
#[cfg(feature = "tui")]
use zeph_tui::TuiChannel;
pub(crate) type CliHistory = (Vec<String>, Box<dyn Fn(&str) + Send>);
#[cfg(feature = "tui")]
#[derive(Debug)]
pub(crate) enum AppChannel {
Standard(AnyChannel),
Tui(TuiChannel),
}
#[cfg(feature = "tui")]
macro_rules! dispatch_app_channel {
($self:expr, $method:ident $(, $arg:expr)*) => {
match $self {
AppChannel::Standard(c) => c.$method($($arg),*).await,
AppChannel::Tui(c) => c.$method($($arg),*).await,
}
};
}
#[cfg(feature = "tui")]
impl Channel for AppChannel {
async fn recv(&mut self) -> Result<Option<ChannelMessage>, ChannelError> {
dispatch_app_channel!(self, recv)
}
async fn send(&mut self, text: &str) -> Result<(), ChannelError> {
dispatch_app_channel!(self, send, text)
}
async fn send_chunk(&mut self, chunk: &str) -> Result<(), ChannelError> {
dispatch_app_channel!(self, send_chunk, chunk)
}
async fn flush_chunks(&mut self) -> Result<(), ChannelError> {
dispatch_app_channel!(self, flush_chunks)
}
async fn send_typing(&mut self) -> Result<(), ChannelError> {
dispatch_app_channel!(self, send_typing)
}
async fn confirm(&mut self, prompt: &str) -> Result<bool, ChannelError> {
dispatch_app_channel!(self, confirm, prompt)
}
fn try_recv(&mut self) -> Option<ChannelMessage> {
match self {
Self::Standard(c) => c.try_recv(),
Self::Tui(c) => c.try_recv(),
}
}
fn supports_exit(&self) -> bool {
match self {
Self::Standard(c) => c.supports_exit(),
Self::Tui(c) => c.supports_exit(),
}
}
async fn send_status(&mut self, text: &str) -> Result<(), ChannelError> {
dispatch_app_channel!(self, send_status, text)
}
async fn send_queue_count(&mut self, count: usize) -> Result<(), ChannelError> {
dispatch_app_channel!(self, send_queue_count, count)
}
async fn send_diff(&mut self, diff: zeph_core::DiffData) -> Result<(), ChannelError> {
dispatch_app_channel!(self, send_diff, diff)
}
async fn send_tool_output(&mut self, event: ToolOutputEvent) -> Result<(), ChannelError> {
dispatch_app_channel!(self, send_tool_output, event)
}
async fn send_thinking_chunk(&mut self, chunk: &str) -> Result<(), ChannelError> {
dispatch_app_channel!(self, send_thinking_chunk, chunk)
}
async fn send_stop_hint(&mut self, hint: StopHint) -> Result<(), ChannelError> {
dispatch_app_channel!(self, send_stop_hint, hint)
}
async fn send_usage(
&mut self,
input_tokens: u64,
output_tokens: u64,
context_window: u64,
) -> Result<(), ChannelError> {
dispatch_app_channel!(
self,
send_usage,
input_tokens,
output_tokens,
context_window
)
}
async fn send_tool_start(&mut self, event: ToolStartEvent) -> Result<(), ChannelError> {
dispatch_app_channel!(self, send_tool_start, event)
}
}
#[cfg(feature = "tui")]
pub(crate) struct TuiHandle {
pub(crate) user_tx: tokio::sync::mpsc::Sender<String>,
pub(crate) agent_tx: tokio::sync::mpsc::Sender<zeph_tui::AgentEvent>,
pub(crate) agent_rx: Option<tokio::sync::mpsc::Receiver<zeph_tui::AgentEvent>>,
pub(crate) command_tx: tokio::sync::mpsc::Sender<zeph_tui::TuiCommand>,
pub(crate) command_rx: tokio::sync::mpsc::Receiver<zeph_tui::TuiCommand>,
}
#[allow(clippy::unused_async)]
pub(crate) async fn create_channel_inner(
config: &Config,
history: Option<CliHistory>,
exec_mode: ExecutionMode,
) -> anyhow::Result<(AnyChannel, Option<Arc<JsonEventSink>>)> {
if exec_mode.json {
let sink = Arc::new(JsonEventSink::new());
let channel = AnyChannel::JsonCli(JsonCliChannel::new(Arc::clone(&sink), exec_mode.auto));
return Ok((channel, Some(sink)));
}
#[cfg(feature = "discord")]
if let Some(dc) = &config.discord
&& let Some(token) = &dc.token
{
let channel = DiscordChannel::new(
token.clone(),
dc.allowed_user_ids.clone(),
dc.allowed_role_ids.clone(),
dc.allowed_channel_ids.clone(),
);
tracing::info!("running in Discord mode");
return Ok((AnyChannel::Discord(channel), None));
}
#[cfg(feature = "slack")]
if let Some(sl) = &config.slack
&& let Some(bot_token) = &sl.bot_token
{
let signing_secret = sl.signing_secret.clone().unwrap_or_default();
let channel = SlackChannel::new(
bot_token.clone(),
signing_secret,
sl.webhook_host.clone(),
sl.port,
sl.allowed_user_ids.clone(),
sl.allowed_channel_ids.clone(),
)
.await
.map_err(|e| anyhow::anyhow!("{e}"))?;
tracing::info!(
"running in Slack mode (events on {}:{})",
sl.webhook_host,
sl.port
);
return Ok((AnyChannel::Slack(channel), None));
}
if let Some(token) = config.telegram.as_ref().and_then(|t| t.token.clone()) {
let allowed = config
.telegram
.as_ref()
.map_or_else(Vec::new, |t| t.allowed_users.clone());
let tg = TelegramChannel::new(token, allowed).start()?;
tracing::info!("running in Telegram mode");
return Ok((AnyChannel::Telegram(tg), None));
}
if let Some((entries, persist_fn)) = history {
let cli = CliChannel::with_history(entries, persist_fn);
return Ok((AnyChannel::Cli(cli), None));
}
Ok((AnyChannel::Cli(CliChannel::new()), None))
}
#[cfg(feature = "tui")]
pub(crate) async fn create_channel_with_tui(
config: &Config,
tui_active: bool,
history: Option<CliHistory>,
exec_mode: ExecutionMode,
) -> anyhow::Result<(AppChannel, Option<TuiHandle>, Option<Arc<JsonEventSink>>)> {
if tui_active {
let (user_tx, user_rx) = tokio::sync::mpsc::channel(32);
let (agent_tx, agent_rx) = tokio::sync::mpsc::channel(256);
let agent_tx_clone = agent_tx.clone();
let (command_tx, command_rx) = tokio::sync::mpsc::channel::<zeph_tui::TuiCommand>(16);
let channel = TuiChannel::new(user_rx, agent_tx);
let handle = TuiHandle {
user_tx,
agent_tx: agent_tx_clone,
agent_rx: Some(agent_rx),
command_tx,
command_rx,
};
return Ok((AppChannel::Tui(channel), Some(handle), None));
}
let (channel, sink) = create_channel_inner(config, history, exec_mode).await?;
Ok((AppChannel::Standard(channel), None, sink))
}
#[cfg(test)]
pub(crate) async fn create_channel(config: &Config) -> anyhow::Result<AnyChannel> {
let (ch, _sink) = create_channel_inner(config, None, ExecutionMode::default()).await?;
Ok(ch)
}
#[cfg(all(test, feature = "tui"))]
mod tests {
use super::*;
use zeph_channels::AnyChannel;
use zeph_channels::CliChannel;
use zeph_common::ToolName;
use zeph_core::channel::{Channel, StopHint, ToolStartEvent};
fn make_app_channel() -> AppChannel {
AppChannel::Standard(AnyChannel::Cli(CliChannel::new()))
}
#[tokio::test]
async fn app_channel_sends_thinking_chunk() {
let mut ch = make_app_channel();
assert!(ch.send_thinking_chunk("reasoning...").await.is_ok());
}
#[tokio::test]
async fn app_channel_sends_stop_hint() {
let mut ch = make_app_channel();
assert!(ch.send_stop_hint(StopHint::MaxTokens).await.is_ok());
}
#[tokio::test]
async fn app_channel_sends_usage() {
let mut ch = make_app_channel();
assert!(ch.send_usage(100, 50, 200_000).await.is_ok());
}
#[tokio::test]
async fn app_channel_sends_tool_start() {
let mut ch = make_app_channel();
assert!(
ch.send_tool_start(ToolStartEvent {
tool_name: ToolName::from("shell"),
tool_call_id: "tc-001".to_string(),
params: None,
parent_tool_use_id: None,
started_at: std::time::Instant::now(),
speculative: false,
sandbox_profile: None,
})
.await
.is_ok()
);
}
#[tokio::test]
#[cfg(not(target_os = "windows"))]
async fn app_channel_forwards_all_channel_methods() {
use zeph_core::channel::ToolOutputEvent;
let mut ch = make_app_channel();
let _ = ch.try_recv();
let _ = ch.supports_exit();
ch.send("test").await.unwrap();
ch.send_chunk("chunk").await.unwrap();
ch.flush_chunks().await.unwrap();
ch.send_typing().await.unwrap();
ch.send_status("working").await.unwrap();
ch.send_thinking_chunk("...").await.unwrap();
ch.send_queue_count(3).await.unwrap();
ch.send_usage(10, 5, 8192).await.unwrap();
ch.send_diff(zeph_core::DiffData {
file_path: String::new(),
old_content: String::new(),
new_content: String::new(),
})
.await
.unwrap();
ch.send_tool_start(ToolStartEvent {
tool_name: ToolName::from("bash"),
tool_call_id: "x".to_string(),
params: None,
parent_tool_use_id: None,
started_at: std::time::Instant::now(),
speculative: false,
sandbox_profile: None,
})
.await
.unwrap();
ch.send_tool_output(ToolOutputEvent {
tool_name: ToolName::from("bash"),
display: "ok".to_string(),
diff: None,
filter_stats: None,
kept_lines: None,
locations: None,
tool_call_id: "x".to_string(),
is_error: false,
terminal_id: None,
parent_tool_use_id: None,
raw_response: None,
started_at: None,
})
.await
.unwrap();
ch.send_stop_hint(StopHint::MaxTurnRequests).await.unwrap();
}
}
pub(crate) async fn build_cli_history(
memory: &zeph_memory::semantic::SemanticMemory,
) -> Option<CliHistory> {
let entries = memory
.sqlite()
.load_input_history(1000)
.await
.unwrap_or_default();
let store = memory.sqlite().clone();
let persist: Box<dyn Fn(&str) + Send> = Box::new(move |text: &str| {
let store = store.clone();
let text = text.to_owned();
if let Ok(handle) = tokio::runtime::Handle::try_current() {
handle.spawn(async move {
if let Err(e) = store.save_input_entry(&text).await {
tracing::warn!("failed to persist input history entry: {e}");
}
});
}
});
Some((entries, persist))
}