// Replay Snapshot Health
// Purpose: Defines the Replay Snapshot Health module and the local helpers/components used in this file.
// Scope: Keeps behavior unchanged while isolating this concern into a clear, single-responsibility unit.
import { roverNameChromeStyle } from '../../lib/roverColor.js';

export default function ReplaySnapshotHealth({ health, roster = [] }) {
  if (!health) return null;
  const replay = health.replay || { sources: [], readyCount: 0, totalCount: 0 };
  const snapshots = health.snapshots || { rovers: [], rooms: [] };
  const roverColorFor = (id) => roster.find((entry) => String(entry.id) === String(id))?.color || null;
  const replaySummary = `${replay.readyCount}/${replay.totalCount} sources ready`;
  const roverStale = snapshots.rovers.filter((entry) => entry.stale).length;
  const roomStale = snapshots.rooms.filter((entry) => entry.stale).length;
  return (
    <div className="space-y-0.5">
      <div className="panel-muted text-xs uppercase">Health</div>
      <div className="surface space-y-0.5 text-xs text-slate-200">
        <div className="flex items-center justify-between">
          <span>Replay segments</span>
          <span className="text-slate-400">{replaySummary}</span>
        </div>
        <div className="flex items-center justify-between">
          <span>Rover snapshots</span>
          <span className={roverStale ? 'text-amber-300' : 'text-emerald-300'}>
            {snapshots.rovers.length - roverStale}/{snapshots.rovers.length} ok
          </span>
        </div>
        <div className="flex items-center justify-between">
          <span>Room cameras</span>
          <span className={roomStale ? 'text-amber-300' : 'text-emerald-300'}>
            {snapshots.rooms.length - roomStale}/{snapshots.rooms.length} ok
          </span>
        </div>
      </div>
      <div className="space-y-0.5 text-xs text-slate-300">
        {replay.sources.map((source) => (
          <div key={`${source.type}:${source.id}`} className="flex items-center justify-between">
            <span
              className={`${source.type === 'rover' ? 'rounded px-1 py-[1px] border border-transparent' : ''}`}
              style={source.type === 'rover' ? roverNameChromeStyle(roverColorFor(source.id), 0.16) : undefined}
            >
              {source.label}
            </span>
            <span className={source.ready ? 'text-emerald-300' : 'text-amber-300'}>
              {source.recentCount}/{source.neededCount}
            </span>
          </div>
        ))}
      </div>
      <div className="space-y-0.5 text-xs text-slate-300">
        {snapshots.rovers.map((entry) => (
          <div key={`rover:${entry.id}`} className="flex items-center justify-between">
            <span
              className="rounded px-1 py-[1px] border border-transparent"
              style={roverNameChromeStyle(roverColorFor(entry.id), 0.16)}
            >
              {entry.name}
            </span>
            <span className={entry.stale ? 'text-amber-300' : 'text-emerald-300'}>{entry.stale ? 'stale' : 'ok'}</span>
          </div>
        ))}
      </div>
      <div className="space-y-0.5 text-xs text-slate-300">
        {snapshots.rooms.map((entry) => (
          <div key={`room:${entry.id}`} className="flex items-center justify-between">
            <span>{entry.name}</span>
            <span className={entry.stale ? 'text-amber-300' : 'text-emerald-300'}>
              {entry.error ? 'error' : entry.stale ? 'stale' : 'ok'}
            </span>
          </div>
        ))}
      </div>
    </div>
  );
}