45 lines
1.4 KiB
TypeScript
45 lines
1.4 KiB
TypeScript
import type { GameView } from './engine';
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type TurnView = Pick<
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GameView,
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| 'status'
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| 'active'
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| 'players'
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| 'decision'
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| 'battle'
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| 'response'
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| 'truthtrance'
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| 'phaseOpening'
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| 'automaticContinuationPending'
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>;
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/** The single current decision owner for the table banner and seat highlight.
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* Shared response windows have no single acting seat. Only public view fields
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* participate; this does not decide which gameplay actions are legal. */
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export function tableActionOwner(g: TurnView): string | null {
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if (
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g.status !== 'playing' ||
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g.automaticContinuationPending ||
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g.truthtrance ||
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g.phaseOpening ||
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g.response
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)
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return null;
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const seated = (id: string | null | undefined) =>
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g.players.some((p) => p.id === id) ? id! : null;
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if (g.decision) return seated(g.decision.player);
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const b = g.battle;
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if (!b) return seated(g.active);
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const combatants = [b.attacker, b.defender];
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const sole = (ids: string[]) => (ids.length === 1 ? seated(ids[0]) : null);
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if (b.preLeader && !b.preLeader.closed)
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return sole(combatants.filter((id) => !b.preLeader!.ready.includes(id)));
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if (b.preparation) return seated(b.preparation.owner);
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if (!b.revealed) {
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if (b.fullPlan && !b.submitted.includes(b.fullPlan.target))
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return seated(b.fullPlan.target);
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return sole(combatants.filter((id) => !b.submitted.includes(id)));
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}
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return sole(b.traitorVoters.filter((id) => !b.traitorSubmitted.includes(id)));
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}
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