Allow group admission with compatible commitments

components/coalition-nexus.tsx

@@ -15,6 +15,10 @@ export type CoalitionNexusView = {
   /** Until group admission can reconcile a live bribe commitment, only
    * departure remains available in this Nexus. */
   admissionBlocked?: boolean;
+  /** Invitation choices that this actor cannot make while commitments apply. */
+  blockedInvitations?: readonly { groupId: string; entrant: string }[];
+  /** Whether this actor is unable to accept the pending invitation. */
+  acceptBlocked?: boolean;
 };
 
 export type CoalitionNexusIntent =
@@ -35,7 +39,9 @@ export function coalitionNexusOptions(view: CoalitionNexusView): {
   const invitations = !seated || view.proposal || view.admissionBlocked ? [] : view.groups.flatMap(group =>
     (group.members.length < 2 || group.members.length >= (view.variant === 'unlimited' ? 6 : 3)) ? [] : view.players
       .filter(player => !occupied.has(player.id) &&
-        (player.id === view.me || group.members.includes(view.me)))
+        (player.id === view.me || group.members.includes(view.me)) &&
+        !view.blockedInvitations?.some(blocked =>
+          blocked.groupId === group.id && blocked.entrant === player.id))
       .map(player => ({ groupId: group.id, entrant: player.id, members: group.members })));
   const participants = view.proposal
     ? [...view.proposal.original.members, view.proposal.entrant] : [];
@@ -43,7 +49,8 @@ export function coalitionNexusOptions(view: CoalitionNexusView): {
   return {
     invitations,
     mayLeave: seated && !!ownGroup && !view.proposal,
-    mayAccept: mayDecline && !view.admissionBlocked && !view.proposal!.approvals.includes(view.me),
+    mayAccept: mayDecline && !view.admissionBlocked && !view.acceptBlocked &&
+      !view.proposal!.approvals.includes(view.me),
     mayDecline,
   };
 }
@@ -70,6 +77,7 @@ export function CoalitionNexus({ view, disabled = false, onIntent }: {
       <li key={group.id}>{names(group.members)}</li>)}</ul> : <p>There are no alliances yet.</p>}
     {proposal ? <div aria-live="polite">
       {view.admissionBlocked && <p>Acceptance is unavailable while a bribe commitment remains unresolved. You may decline this invitation.</p>}
+      {!view.admissionBlocked && view.acceptBlocked && <p>Acceptance is unavailable while it would conflict with your commitments. You may decline this invitation.</p>}
       <p>{name(proposal.proposer)} proposes adding {name(proposal.entrant)} to {names(proposal.original.members)}.</p>
       <p>Approved: {names(proposal.approvals)}. Waiting for: {names(
         [...proposal.original.members, proposal.entrant].filter(id => !proposal.approvals.includes(id)),
@@ -87,6 +95,7 @@ export function CoalitionNexus({ view, disabled = false, onIntent }: {
     </div> : <div>
       {view.admissionBlocked && <p>Invitations are unavailable while a bribe commitment remains unresolved.
         Finish the commitment or wait until its binding period ends.</p>}
+      {!view.admissionBlocked && !!view.blockedInvitations?.length && <p>Some invitations are unavailable while they would conflict with your commitments.</p>}
       {options.invitations.length > 0 && <p>{view.variant === 'unlimited'
         ? 'Invite an unallied player to an existing alliance, or ask to join one.'
         : 'Invite an unallied player to an existing pair, or ask to join a pair.'}</p>}