/* Coaching screens — coach dashboard + client view + client-side invite handling */
const { useState: useStateC, useEffect: useEffectC, useRef: useRefC, useMemo: useMemoC } = React;
// ─── Helpers ──────────────────────────────────────────────────────────────────
function fmtDate(iso) {
if (!iso) return '—';
const d = new Date(iso);
return d.toLocaleDateString('de-DE', { day: '2-digit', month: '2-digit', year: '2-digit' });
}
function fmtRelative(iso) {
if (!iso) return '';
const diff = Date.now() - new Date(iso).getTime();
const mins = Math.floor(diff / 60000);
if (mins < 1) return 'just now';
if (mins < 60) return `${mins}m ago`;
const hrs = Math.floor(mins / 60);
if (hrs < 24) return `${hrs}h ago`;
return `${Math.floor(hrs / 24)}d ago`;
}
function isImprovement(curr, prev) {
if (!prev || !curr || !curr.done || curr.skipped || curr.kg == null || prev.kg == null) return false;
const rA = LB.effReps(curr); const rB = LB.effReps(prev);
if (rA == null || rB == null) return false;
return (curr.kg > prev.kg && rA >= rB - 2) || (curr.kg >= prev.kg && rA > rB);
}
function isDecline(curr, prev) {
if (!prev || !curr || curr.skipped) return false;
if (prev.skipped) return false;
if (!curr.done || curr.kg == null || prev.kg == null) return false;
const rA = LB.effReps(curr); const rB = LB.effReps(prev);
if (rA == null || rB == null) return false;
return (curr.kg < prev.kg && rA <= rB) || (curr.kg === prev.kg && rA < rB);
}
// ─── CoachingPendingBanner ────────────────────────────────────────────────────
// Shown on app boot when the user has a pending coaching invite.
function CoachingPendingBanner({ store, setStore, userId }) {
const pending = store.coaching?.asClient?.status === 'pending' ? store.coaching.asClient : null;
const [loading, setLoading] = useStateC(false);
if (!pending) return null;
const respond = async (accept) => {
setLoading(true);
try {
await LB.respondToCoachingInvite(pending.id, accept);
const fresh = await LB.loadFromSupabase(userId);
setStore(s => ({ ...s, ...fresh }));
} catch (e) {
alert('Error: ' + e.message);
} finally {
setLoading(false);
}
};
return (
COACHING REQUEST
{pending.coachName}
wants to coach you. They will be able to view your training data,
sessions and plans, and make adjustments on your behalf.
);
}
// ─── CoachingUnreadBanner ─────────────────────────────────────────────────────
// Small banner on home screen when there are unread coach notes.
function CoachingUnreadBanner({ store, userId, onOpen }) {
const notes = store.coaching?.unreadNotes || [];
if (!notes.length) return null;
// Determine direction: are these messages from a client (user is coach) or from a coach (user is client)?
const clientIds = new Set((store.coaching?.asCoach || []).map(c => c.clientId));
const fromClient = notes.some(n => clientIds.has(n.authorId));
const label = fromClient ? 'NEW MESSAGE FROM CLIENT' : 'NEW MESSAGE FROM COACH';
const labelPlural = fromClient ? 'NEW MESSAGES FROM CLIENTS' : 'NEW MESSAGES FROM COACH';
return (