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commander-ai-lab/frontend/src/components/NarrationPanel.tsx
T

69 lines
1.9 KiB
TypeScript

import { useRef, useEffect, useState } from 'react';
import type { NarrationLine } from '../types/game';
import { SEAT_COLOURS } from '../constants';
interface NarrationPanelProps {
lines: NarrationLine[];
thinkingSeats: Set<number>;
}
export default function NarrationPanel({ lines, thinkingSeats }: NarrationPanelProps) {
const containerRef = useRef<HTMLDivElement>(null);
const [dots, setDots] = useState('.');
// Auto-scroll on new lines
useEffect(() => {
const el = containerRef.current;
if (el) el.scrollTop = el.scrollHeight;
}, [lines.length]);
// Cycling dots for thinking animation
useEffect(() => {
if (thinkingSeats.size === 0) return;
const interval = setInterval(() => {
setDots((prev) => (prev.length >= 3 ? '.' : prev + '.'));
}, 500);
return () => clearInterval(interval);
}, [thinkingSeats.size]);
const displayed = lines.slice(-120);
return (
<div
ref={containerRef}
className="w-[260px] bg-bg-panel border-l border-[#2a2e48] overflow-y-auto p-2 flex flex-col"
>
{displayed.map((line, i) => {
let colorClass = 'text-[#e8e8e8]';
let style: React.CSSProperties | undefined;
if (line.isSystem) {
colorClass = 'text-[#556]';
} else if (line.seat !== undefined) {
colorClass = '';
style = { color: SEAT_COLOURS[line.seat] };
}
return (
<div
key={i}
className={`text-[11px] leading-[1.4] break-words ${colorClass}`}
style={style}
>
{line.text}
</div>
);
})}
{thinkingSeats.size > 0 &&
Array.from(thinkingSeats).map((seat) => (
<div
key={`thinking-${seat}`}
className="text-[11px] leading-[1.4] break-words text-accent-think italic"
>
P{seat} thinking{dots}
</div>
))}
</div>
);
}