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* Session picker dialog for forwarding messages.
*
* Displays a filterable list of active sessions (excluding the current one)
* so the user can choose a target for a forwarded message.
* Pure presentational component -- no useGrackle().
*/
import { useEffect, useRef, useState, type JSX } from "react";
import { X, Search } from "lucide-react";
import { AnimatePresence, motion } from "motion/react";
import type { Session, Environment, PersonaData } from "../../hooks/types.js";
import { ICON_SM, ICON_MD } from "../../utils/iconSize.js";
import styles from "./SessionPicker.module.scss";
/** A session entry enriched with its environment display name. */
export interface SessionPickerEntry {
/** The session. */
session: Session;
/** Display name of the session's environment. */
environmentName: string;
}
/** Props for the SessionPicker component. */
export interface SessionPickerProps {
/** Whether the picker is visible. */
isOpen: boolean;
/** Active sessions to display (already filtered: active status, not current session). */
sessions: Session[];
/** Environments for name lookup. */
environments: Environment[];
/** Personas for name lookup (optional — persona name is shown when available). */
personas?: PersonaData[];
/** Called when the user selects a target session. */
onSelect: (sessionId: string) => void;
/** Called when the user dismisses the picker without selecting. */
onCancel: () => void;
}
/** Returns a short status badge label for a session. */
function statusLabel(status: string): string {
if (status === "running") {
return "running";
}
if (status === "idle") {
return "idle";
}
return status;
}
/**
* Modal dialog listing active sessions for the forward-message feature.
*
* The list is filterable by environment name or prompt snippet. If there are
* no active sessions the picker is not rendered (parent should keep it closed).
*/
export function SessionPicker({
isOpen,
sessions,
environments,
personas,
onSelect,
onCancel,
}: SessionPickerProps): JSX.Element {
const [filter, setFilter] = useState("");
const dialogRef = useRef<HTMLDivElement>(null);
const closeButtonRef = useRef<HTMLButtonElement>(null);
// Focus the dialog when it opens so Escape is reliably captured
useEffect(() => {
if (isOpen) {
// Filter input has autoFocus when shown; otherwise fall back to close button
if (sessions.length <= 4) {
closeButtonRef.current?.focus();
}
}
}, [isOpen, sessions.length]);
// Build lookup for environment names
const envNameById = new Map<string, string>(environments.map((e) => [e.id, e.displayName]));
// Build lookup for persona names
const personaNameById = new Map<string, string>((personas ?? []).map((p) => [p.id, p.name]));
const entries: SessionPickerEntry[] = sessions.map((s) => ({
session: s,
environmentName: envNameById.get(s.environmentId) ?? s.environmentId,
}));
const showFilter = sessions.length > 4;
const filtered = filter.trim()
? entries.filter(
({ session, environmentName }) =>
environmentName.toLowerCase().includes(filter.toLowerCase()) ||
session.prompt.toLowerCase().includes(filter.toLowerCase()),
)
: entries;
return (
<AnimatePresence>
{isOpen && (
<motion.div
className={styles.overlay}
initial={{ opacity: 0 }}
animate={{ opacity: 1 }}
exit={{ opacity: 0 }}
transition={{ duration: 0.15 }}
onClick={onCancel}
onKeyDown={(e) => {
if (e.key === "Escape") {
onCancel();
}
}}
role="dialog"
aria-modal="true"
aria-label="Forward to session"
data-testid="session-picker-overlay"
>
<motion.div
ref={dialogRef}
className={styles.dialog}
initial={{ opacity: 0, scale: 0.93, y: -10 }}
animate={{ opacity: 1, scale: 1, y: 0 }}
exit={{ opacity: 0, scale: 0.93, y: -10 }}
transition={{ duration: 0.15, ease: [0.16, 1, 0.3, 1] }}
onClick={(e) => {
e.stopPropagation();
}}
data-testid="session-picker-dialog"
>
<div className={styles.header}>
<h3 className={styles.title}>Forward to session</h3>
<button
ref={closeButtonRef}
type="button"
className={styles.closeButton}
onClick={onCancel}
aria-label="Close session picker"
data-testid="session-picker-close"
>
<X size={ICON_SM} aria-hidden="true" />
</button>
</div>
{showFilter && (
<div className={styles.filterRow}>
<Search size={ICON_SM} className={styles.searchIcon} aria-hidden="true" />
<input
type="text"
className={styles.filterInput}
placeholder="Filter sessions..."
value={filter}
onChange={(e) => {
setFilter(e.target.value);
}}
data-testid="session-picker-filter"
autoFocus
/>
</div>
)}
{sessions.length === 0 ? (
<div className={styles.noSessions} data-testid="session-picker-no-sessions">
<Search size={ICON_MD} aria-hidden="true" />
<p>No active sessions to forward to.</p>
</div>
) : (
<ul className={styles.list} data-testid="session-picker-list">
{filtered.length === 0 ? (
<li className={styles.emptyItem} data-testid="session-picker-empty">
No matching sessions
</li>
) : (
filtered.map(({ session, environmentName }) => {
const personaName = session.personaId
? (personaNameById.get(session.personaId) ?? undefined)
: undefined;
return (
<li key={session.id}>
<button
type="button"
className={styles.sessionRow}
onClick={() => {
onSelect(session.id);
}}
data-testid={`session-picker-item-${session.id}`}
>
<div className={styles.sessionMain}>
<span className={styles.envName}>{environmentName}</span>
{personaName !== undefined && (
<span
className={styles.personaName}
data-testid={`session-picker-persona-${session.id}`}
>
{personaName}
</span>
)}
<span
className={`${styles.statusBadge} ${styles[`status_${session.status}`] ?? styles.status_other}`}
data-testid={`session-picker-status-${session.id}`}
>
{statusLabel(session.status)}
</span>
</div>
<div className={styles.sessionPrompt}>
{session.prompt.length > 80
? `${session.prompt.slice(0, 80)}...`
: session.prompt}
</div>
</button>
</li>
);
})
)}
</ul>
)}
</motion.div>
</motion.div>
)}
</AnimatePresence>
);
}
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