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use std::collections::HashMap;
use crate::detect::AgentState;
use crate::layout::PaneId;
use crate::terminal::{TerminalId, TerminalState};
use super::{Tab, Workspace};
/// Detail info for a single pane, used by the agent detail panel.
pub struct PaneDetail {
pub pane_id: PaneId,
pub tab_idx: usize,
pub agent_kind_label: Option<String>,
pub state: AgentState,
pub seen: bool,
pub last_agent_state_change_seq: Option<u64>,
pub tokens: HashMap<String, String>,
}
impl Tab {
fn pane_details(
&self,
terminals: &HashMap<TerminalId, TerminalState>,
tab_idx: usize,
) -> Vec<PaneDetail> {
self.layout
.pane_ids()
.iter()
.filter_map(|id| {
let pane = self.panes.get(id)?;
let terminal = terminals.get(&pane.attached_terminal_id)?;
let agent_kind_label = terminal.effective_agent_label().map(str::to_string);
if terminal.agent_name.is_none() && agent_kind_label.is_none() {
return None;
}
Some(PaneDetail {
pane_id: *id,
tab_idx,
agent_kind_label,
state: terminal.state,
seen: pane.seen,
last_agent_state_change_seq: terminal.last_agent_state_change_seq,
tokens: terminal.metadata_tokens.values(),
})
})
.collect()
}
}
fn pane_attention_priority(state: AgentState, seen: bool) -> u8 {
match (state, seen) {
(AgentState::Blocked, _) => 4,
(AgentState::Idle, false) => 3,
(AgentState::Working, _) => 2,
(AgentState::Idle, true) => 1,
(AgentState::Unknown, _) => 0,
}
}
impl Workspace {
pub fn aggregate_state(
&self,
terminals: &HashMap<TerminalId, TerminalState>,
) -> (AgentState, bool) {
self.tabs
.iter()
.flat_map(|tab| tab.panes.values())
.filter_map(|pane| {
terminals
.get(&pane.attached_terminal_id)
.map(|terminal| (terminal.state, pane.seen))
})
.max_by_key(|(state, seen)| pane_attention_priority(*state, *seen))
.unwrap_or((AgentState::Unknown, true))
}
pub fn pane_details(&self, terminals: &HashMap<TerminalId, TerminalState>) -> Vec<PaneDetail> {
self.tabs
.iter()
.enumerate()
.flat_map(|(tab_idx, tab)| tab.pane_details(terminals, tab_idx))
.collect()
}
}
#[cfg(test)]
mod tests {
use ratatui::layout::Direction;
use super::*;
use crate::detect::Agent;
fn terminal_for_pane(ws: &Workspace, pane_id: PaneId) -> TerminalState {
TerminalState::new(ws.terminal_id(pane_id).unwrap().clone(), "/tmp".into())
}
#[test]
fn aggregate_state_all_unknown() {
let ws = Workspace::test_new("test");
let mut terminals = HashMap::new();
let root = ws.tabs[0].root_pane;
let terminal = terminal_for_pane(&ws, root);
terminals.insert(terminal.id.clone(), terminal);
let (state, seen) = ws.aggregate_state(&terminals);
assert_eq!(state, AgentState::Unknown);
assert!(seen);
}
#[test]
fn aggregate_state_priority() {
let mut ws = Workspace::test_new("test");
let id2 = ws.test_split(Direction::Horizontal);
let root_id = ws.tabs[0]
.panes
.keys()
.find(|id| **id != id2)
.copied()
.unwrap();
let mut terminals = HashMap::new();
let mut root_terminal = terminal_for_pane(&ws, root_id);
root_terminal.state = AgentState::Idle;
terminals.insert(root_terminal.id.clone(), root_terminal);
let mut second_terminal = terminal_for_pane(&ws, id2);
second_terminal.state = AgentState::Working;
terminals.insert(second_terminal.id.clone(), second_terminal);
let (state, seen) = ws.aggregate_state(&terminals);
assert_eq!(state, AgentState::Working);
assert!(seen);
}
#[test]
fn aggregate_state_done_unseen_beats_working() {
let mut ws = Workspace::test_new("test");
let id2 = ws.test_split(Direction::Horizontal);
let root_id = ws.tabs[0]
.panes
.keys()
.find(|id| **id != id2)
.copied()
.unwrap();
let mut terminals = HashMap::new();
let mut root_terminal = terminal_for_pane(&ws, root_id);
root_terminal.state = AgentState::Idle;
terminals.insert(root_terminal.id.clone(), root_terminal);
let mut second_terminal = terminal_for_pane(&ws, id2);
second_terminal.state = AgentState::Working;
terminals.insert(second_terminal.id.clone(), second_terminal);
let root = ws.tabs[0].panes.get_mut(&root_id).unwrap();
root.seen = false;
let (state, seen) = ws.aggregate_state(&terminals);
assert_eq!(state, AgentState::Idle);
assert!(!seen);
}
#[test]
fn pane_details_use_tab_vector_index_not_stable_public_tab_number() {
let mut ws = Workspace::test_new("test");
let removed_tab = ws.test_add_tab(Some("removed"));
let survivor_tab = ws.test_add_tab(Some("survivor"));
let survivor_pane = ws.tabs[survivor_tab].root_pane;
assert!(ws.close_tab(removed_tab));
let mut terminals = HashMap::new();
let mut terminal = terminal_for_pane(&ws, survivor_pane);
terminal.detected_agent = Some(Agent::Codex);
terminals.insert(terminal.id.clone(), terminal);
let details = ws.pane_details(&terminals);
let survivor = details
.iter()
.find(|detail| detail.pane_id == survivor_pane)
.expect("surviving tab agent should be listed");
assert_eq!(ws.tabs[1].number, 3);
assert_eq!(survivor.tab_idx, 1);
}
}
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