use crate::components::context_bar::{context_bar, context_color};
use crate::components::reasoning_bar::{reasoning_bar, reasoning_color};
use crate::workspace_status::WorkspaceStatus;
use acp_utils::config_option_id::ConfigOptionId;
use agent_client_protocol::schema::{
self as acp, SessionConfigKind, SessionConfigOption, SessionConfigOptionCategory, SessionConfigSelectOptions,
};
use tui::{Color, FitOptions, Frame, Line, ViewContext, display_width_text};
use utils::ReasoningEffort;
pub use crate::components::context_bar::ContextUsageDisplay;
#[doc = include_str!("../docs/status_line.md")]
pub struct StatusLine<'a> {
pub workspace_status: &'a WorkspaceStatus,
pub agent_name: &'a str,
pub config_options: &'a [SessionConfigOption],
pub context_usage: Option<ContextUsageDisplay>,
pub waiting_for_response: bool,
pub unhealthy_server_count: usize,
pub content_padding: usize,
pub exit_confirmation_active: bool,
}
impl StatusLine<'_> {
#[allow(clippy::similar_names)]
pub fn render(&self, context: &ViewContext) -> Frame {
let mut line = render_left(self.workspace_status, context, self.content_padding);
let right_parts = render_right(self, context);
let width = context.size.width as usize;
let right_len: usize = right_parts.iter().map(|(s, _)| display_width_text(s)).sum();
let left_len = line.display_width();
let padding = width.saturating_sub(left_len + right_len);
line.push_text(" ".repeat(padding));
for (text, color) in right_parts {
line.push_styled(text, color);
}
Frame::new(vec![line]).fit(context.size.width, FitOptions::truncate())
}
}
fn render_left(status: &WorkspaceStatus, context: &ViewContext, content_padding: usize) -> Line {
let mut line = Line::default();
line.push_text(" ".repeat(content_padding));
line.push_styled(status.display_dir.as_str(), context.theme.secondary());
if let Some(ref git_ref) = status.git_ref {
line.push_styled(" · ", context.theme.text_secondary());
line.push_styled(git_ref.as_str(), context.theme.success());
}
line
}
fn render_right(status: &StatusLine<'_>, context: &ViewContext) -> Vec<(String, Color)> {
let sep = context.theme.text_secondary();
let mode_text = extract_mode_display(status.config_options);
let model_summary = extract_model_display(status.config_options);
let reasoning_effort = extract_reasoning_effort(status.config_options);
let mut parts = Vec::new();
if status.exit_confirmation_active {
parts.push(("Ctrl-C again to exit".to_string(), context.theme.warning()));
} else {
parts.push((status.agent_name.to_string(), context.theme.info()));
if let Some(ref mode) = mode_text {
push_separator(&mut parts, sep);
parts.push((mode.clone(), context.theme.secondary()));
}
if let Some(ref model) = model_summary {
push_separator(&mut parts, sep);
parts.push((model.clone(), context.theme.success()));
}
}
let reasoning_levels = extract_reasoning_levels(status.config_options);
if model_summary.is_some() && !reasoning_levels.is_empty() {
push_separator(&mut parts, sep);
parts.push((
reasoning_bar(reasoning_effort, reasoning_levels.len()),
reasoning_color(reasoning_effort, reasoning_levels.len(), &context.theme),
));
}
if let Some(usage) = status.context_usage {
push_separator(&mut parts, sep);
parts.push((context_bar(usage), context_color(usage, &context.theme)));
}
if !status.waiting_for_response && status.unhealthy_server_count > 0 {
let count = status.unhealthy_server_count;
let msg = if count == 1 { "1 server needs auth".to_string() } else { format!("{count} servers unhealthy") };
push_separator(&mut parts, sep);
parts.push((msg, context.theme.warning()));
}
parts
}
fn push_separator(parts: &mut Vec<(String, Color)>, color: Color) {
if !parts.is_empty() {
parts.push((" · ".to_string(), color));
}
}
pub(crate) fn extract_reasoning_levels(config_options: &[SessionConfigOption]) -> Vec<ReasoningEffort> {
let Some(option) = config_options.iter().find(|o| o.id.0.as_ref() == ConfigOptionId::ReasoningEffort.as_str())
else {
return Vec::new();
};
let SessionConfigKind::Select(ref select) = option.kind else {
return Vec::new();
};
let SessionConfigSelectOptions::Ungrouped(ref options) = select.options else {
return Vec::new();
};
options.iter().filter_map(|o| o.value.0.as_ref().parse().ok()).collect()
}
pub(crate) fn is_cycleable_mode_option(option: &SessionConfigOption) -> bool {
matches!(option.kind, SessionConfigKind::Select(_)) && option.category == Some(SessionConfigOptionCategory::Mode)
}
pub(crate) fn option_display_name(
options: &SessionConfigSelectOptions,
current_value: &acp::SessionConfigValueId,
) -> Option<String> {
match options {
SessionConfigSelectOptions::Ungrouped(options) => {
options.iter().find(|option| &option.value == current_value).map(|option| option.name.clone())
}
SessionConfigSelectOptions::Grouped(groups) => groups
.iter()
.flat_map(|group| group.options.iter())
.find(|option| &option.value == current_value)
.map(|option| option.name.clone()),
_ => None,
}
}
pub(crate) fn extract_select_display(config_options: &[SessionConfigOption], id: ConfigOptionId) -> Option<String> {
let option = config_options.iter().find(|option| option.id.0.as_ref() == id.as_str())?;
let SessionConfigKind::Select(ref select) = option.kind else {
return None;
};
option_display_name(&select.options, &select.current_value)
}
pub(crate) fn extract_mode_display(config_options: &[SessionConfigOption]) -> Option<String> {
extract_select_display(config_options, ConfigOptionId::Mode)
}
pub(crate) fn extract_model_display(config_options: &[SessionConfigOption]) -> Option<String> {
let option = config_options.iter().find(|option| option.id.0.as_ref() == ConfigOptionId::Model.as_str())?;
let SessionConfigKind::Select(ref select) = option.kind else {
return None;
};
let options = match &select.options {
SessionConfigSelectOptions::Ungrouped(options) => options,
SessionConfigSelectOptions::Grouped(_) => {
return extract_select_display(config_options, ConfigOptionId::Model);
}
_ => return None,
};
let current = select.current_value.0.as_ref();
if current.contains(',') {
let names: Vec<&str> = current
.split(',')
.filter_map(|part| {
let trimmed = part.trim();
options.iter().find(|option| option.value.0.as_ref() == trimmed).map(|option| option.name.as_str())
})
.collect();
if names.is_empty() { None } else { Some(names.join(" + ")) }
} else {
extract_select_display(config_options, ConfigOptionId::Model)
}
}
pub(crate) fn extract_reasoning_effort(config_options: &[SessionConfigOption]) -> Option<ReasoningEffort> {
let option =
config_options.iter().find(|option| option.id.0.as_ref() == ConfigOptionId::ReasoningEffort.as_str())?;
let SessionConfigKind::Select(ref select) = option.kind else {
return None;
};
ReasoningEffort::parse(&select.current_value.0).unwrap_or(None)
}
#[cfg(test)]
mod tests {
use super::*;
use crate::settings::DEFAULT_CONTENT_PADDING;
use crate::workspace_status::WorkspaceStatus;
fn test_workspace_status() -> WorkspaceStatus {
WorkspaceStatus::new("~/code/aether-2", Some("main".to_string()))
}
fn model_option() -> SessionConfigOption {
acp::SessionConfigOption::select(
"model",
"Model",
"claude-sonnet",
vec![acp::SessionConfigSelectOption::new("claude-sonnet", "Claude Sonnet")],
)
}
fn reasoning_option() -> SessionConfigOption {
acp::SessionConfigOption::select(
"reasoning_effort",
"Reasoning",
"medium",
vec![
acp::SessionConfigSelectOption::new("low", "Low"),
acp::SessionConfigSelectOption::new("medium", "Medium"),
acp::SessionConfigSelectOption::new("high", "High"),
],
)
}
#[test]
fn reasoning_bar_hidden_without_reasoning_option() {
let options = vec![model_option()];
let workspace_status = test_workspace_status();
let status = StatusLine {
workspace_status: &workspace_status,
agent_name: "test-agent",
config_options: &options,
context_usage: None,
waiting_for_response: false,
unhealthy_server_count: 0,
content_padding: DEFAULT_CONTENT_PADDING,
exit_confirmation_active: false,
};
let context = ViewContext::new((120, 40));
let frame = status.render(&context);
let text = frame.lines()[0].plain_text();
assert!(
!text.contains("reasoning"),
"reasoning bar should be hidden when no reasoning_effort option exists, got: {text}"
);
}
#[test]
fn reasoning_bar_shown_with_reasoning_option() {
let options = vec![model_option(), reasoning_option()];
let workspace_status = test_workspace_status();
let status = StatusLine {
workspace_status: &workspace_status,
agent_name: "test-agent",
config_options: &options,
context_usage: None,
waiting_for_response: false,
unhealthy_server_count: 0,
content_padding: DEFAULT_CONTENT_PADDING,
exit_confirmation_active: false,
};
let context = ViewContext::new((120, 40));
let frame = status.render(&context);
let text = frame.lines()[0].plain_text();
assert!(text.contains("medium"), "reasoning bar should use current reasoning effort as its label, got: {text}");
assert!(!text.contains("reasoning"), "reasoning bar should not use a generic reasoning label, got: {text}");
}
#[test]
fn extract_reasoning_levels_empty_without_option() {
let options = vec![model_option()];
assert!(extract_reasoning_levels(&options).is_empty());
}
#[test]
fn extract_reasoning_levels_nonempty_with_option() {
let options = vec![model_option(), reasoning_option()];
assert!(!extract_reasoning_levels(&options).is_empty());
}
}