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use synaps_cli::protocol::{ClientMessage, ServerMessage, HistoryEntry};
use futures::{SinkExt, StreamExt};
use tokio_tungstenite::{connect_async, tungstenite::Message};
use tokio::io::{AsyncBufReadExt, BufReader};
#[allow(unused_assignments)]
pub async fn run(url: String) -> anyhow::Result<()> {
let _log_guard = synaps_cli::logging::init_logging();
eprintln!("Connecting to {}...", url);
let (ws_stream, _) = connect_async(&url).await?;
let (mut ws_tx, mut ws_rx) = ws_stream.split();
eprintln!("Connected. Type a message and press Enter. Commands start with /\n");
let history_msg = serde_json::to_string(&ClientMessage::History)?;
ws_tx.send(Message::Text(history_msg)).await?;
let status_msg = serde_json::to_string(&ClientMessage::Status)?;
ws_tx.send(Message::Text(status_msg)).await?;
let stdin = tokio::io::stdin();
let mut reader = BufReader::new(stdin).lines();
let mut streaming = false;
let mut needs_newline = false;
loop {
tokio::select! {
line = reader.next_line() => {
match line {
Ok(Some(input)) => {
let input = input.trim().to_string();
if input.is_empty() { continue; }
let msg = if let Some(rest) = input.strip_prefix('/') {
let parts: Vec<&str> = rest.splitn(2, ' ').collect();
let cmd = parts[0];
let args = parts.get(1).map(|s| s.trim()).unwrap_or("");
match cmd {
"quit" | "exit" | "q" => { eprintln!("\nbye."); return Ok(()); }
"cancel" | "c" => ClientMessage::Cancel,
"status" | "s" => ClientMessage::Status,
"history" | "h" => ClientMessage::History,
_ => ClientMessage::Command { name: cmd.to_string(), args: args.to_string() },
}
} else {
ClientMessage::Message { content: input }
};
let json = serde_json::to_string(&msg)?;
ws_tx.send(Message::Text(json)).await?;
}
Ok(None) => break,
Err(e) => { eprintln!("stdin error: {}", e); break; }
}
}
msg = ws_rx.next() => {
match msg {
Some(Ok(Message::Text(text))) => {
if let Ok(server_msg) = serde_json::from_str::<ServerMessage>(&text) {
match server_msg {
ServerMessage::Thinking { content } => {
if !streaming { streaming = true; eprint!("\x1b[2m"); }
eprint!("{}", content);
needs_newline = true;
}
ServerMessage::Text { content } => {
if streaming {
eprint!("\x1b[0m");
if needs_newline { eprintln!(); }
needs_newline = false;
streaming = false;
eprint!("\n\x1b[38;2;80;200;160m◈ agent\x1b[0m\n");
}
print!("{}", content);
needs_newline = !content.ends_with('\n');
}
ServerMessage::ToolUseStart { tool_name } => {
if needs_newline { println!(); needs_newline = false; }
let icon = match tool_name.as_str() {
"bash" => "❯", "read" => "▸", "write" => "◂",
"edit" => "Δ", "grep" => "⌕", "find" => "○",
"ls" => "≡", _ => "→",
};
eprint!("\x1b[38;2;100;180;220m {} {}\x1b[0m ", icon, tool_name);
synaps_cli::flush_stderr();
}
ServerMessage::ToolUseDelta(delta) => {
eprint!("\x1b[38;2;80;110;140m{}\x1b[0m", delta);
synaps_cli::flush_stderr();
}
ServerMessage::ToolUse { tool_name, input, .. } => {
eprint!(" \r");
if needs_newline { println!(); needs_newline = false; }
let icon = match tool_name.as_str() {
"bash" => "❯", "read" => "▸", "write" => "◂",
"edit" => "Δ", "grep" => "⌕", "find" => "○",
"ls" => "≡", _ => "→",
};
eprintln!("\x1b[38;2;100;180;220m {} {}\x1b[0m", icon, tool_name);
if let Some(obj) = input.as_object() {
for (k, v) in obj {
let val = match v.as_str() {
Some(s) if s.len() > 100 => {
let end = s.char_indices().nth(100).map(|(i, _)| i).unwrap_or(s.len());
format!("{}…", &s[..end])
}
Some(s) => s.to_string(),
None => v.to_string(),
};
eprintln!("\x1b[38;2;80;110;140m {}: {}\x1b[0m", k, val);
}
}
}
ServerMessage::ToolResultDelta { delta, .. } => {
eprint!("\x1b[38;2;140;180;150m{}\x1b[0m", delta);
}
ServerMessage::ToolResult { result, .. } => {
let lines: Vec<&str> = result.lines().collect();
let is_error = result.starts_with("Tool execution failed");
if is_error {
eprintln!("\x1b[38;2;220;80;80m ✗ {}\x1b[0m", result.lines().next().unwrap_or(""));
} else {
eprintln!("\x1b[38;2;60;160;110m └─ ok ({} lines)\x1b[0m", lines.len());
for line in lines.iter().take(8) {
eprintln!("\x1b[38;2;65;130;100m {}\x1b[0m", line);
}
if lines.len() > 8 {
eprintln!("\x1b[38;2;55;62;75m +{} more\x1b[0m", lines.len() - 8);
}
}
}
ServerMessage::Usage { input_tokens, output_tokens } => {
let _ = (input_tokens, output_tokens);
}
ServerMessage::Done => {
if needs_newline { println!(); needs_newline = false; }
streaming = false;
eprintln!();
}
ServerMessage::Error { message } => {
if needs_newline { eprintln!(); needs_newline = false; }
streaming = false;
eprintln!("\x1b[38;2;220;80;80m✗ {}\x1b[0m", message);
}
ServerMessage::System { message } => {
eprintln!("\x1b[2m {}\x1b[0m", message);
}
ServerMessage::StatusResponse {
model, thinking, streaming: is_streaming,
session_id, total_input_tokens, total_output_tokens,
session_cost, connected_clients,
} => {
eprintln!("\x1b[38;2;80;200;160m┌─ Status ─────────────────────┐\x1b[0m");
eprintln!("\x1b[38;2;80;200;160m│\x1b[0m Model: {}", model);
eprintln!("\x1b[38;2;80;200;160m│\x1b[0m Thinking: {}", thinking);
eprintln!("\x1b[38;2;80;200;160m│\x1b[0m Session: {}", session_id);
eprintln!("\x1b[38;2;80;200;160m│\x1b[0m Tokens: {}in / {}out", total_input_tokens, total_output_tokens);
eprintln!("\x1b[38;2;80;200;160m│\x1b[0m Cost: ${:.4}", session_cost);
eprintln!("\x1b[38;2;80;200;160m│\x1b[0m Clients: {}", connected_clients);
eprintln!("\x1b[38;2;80;200;160m│\x1b[0m Streaming: {}", if is_streaming { "yes" } else { "no" });
eprintln!("\x1b[38;2;80;200;160m└─────────────────────────────-┘\x1b[0m");
}
ServerMessage::HistoryResponse { messages } => {
if messages.is_empty() {
eprintln!("\x1b[2m (empty session)\x1b[0m");
} else {
eprintln!("\x1b[2m ── history ({} entries) ──\x1b[0m", messages.len());
for entry in &messages {
match entry {
HistoryEntry::User { content, .. } => {
let preview: String = content.chars().take(80).collect();
eprintln!("\x1b[38;2;190;200;220m ❯ {}\x1b[0m", preview);
}
HistoryEntry::Text { content, .. } => {
let preview: String = content.chars().take(120).collect();
eprintln!("\x1b[38;2;195;200;210m ◈ {}\x1b[0m", preview);
}
HistoryEntry::ToolUse { tool_name, .. } => {
eprintln!("\x1b[38;2;100;180;220m → {}\x1b[0m", tool_name);
}
_ => {}
}
}
eprintln!("\x1b[2m ── end history ──\x1b[0m\n");
}
}
}
}
}
Some(Ok(Message::Close(_))) | None => {
eprintln!("\nServer disconnected.");
break;
}
Some(Err(e)) => {
eprintln!("\nWebSocket error: {}", e);
break;
}
_ => {}
}
}
}
}
Ok(())
}