540 lines
22 KiB
TypeScript
540 lines
22 KiB
TypeScript
import { Card, CardContent, CardHeader, CardTitle } from "~/components/ui/card";
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import {
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Table,
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TableBody,
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TableCell,
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TableHead,
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TableHeader,
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TableRow,
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} from "~/components/ui/table";
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import { Trophy, Star } from "lucide-react";
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import { TeamOwnerBadge } from "~/components/ui/team-owner-badge";
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import {
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BracketTreeView,
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BracketTreePaginated,
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type BracketMatch,
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type BracketOwnership,
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} from "./BracketTreeView";
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import { getBracketTemplate } from "~/lib/bracket-templates";
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import { NbaBracketLayout } from "./NbaBracketLayout";
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import { TabbedBracketLayout } from "./TabbedBracketLayout";
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interface Participant {
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id: string;
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name: string;
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}
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export interface Match {
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id: string;
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round: string;
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matchNumber: number;
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participant1Id: string | null;
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participant2Id: string | null;
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winnerId: string | null;
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loserId: string | null;
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isComplete: boolean;
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participant1Score: string | null;
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participant2Score: string | null;
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isScoring?: boolean;
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participant1?: Participant | null;
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participant2?: Participant | null;
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winner?: Participant | null;
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loser?: Participant | null;
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}
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export interface TeamOwnership {
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participantId: string;
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teamName: string;
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teamId: string;
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ownerName?: string;
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}
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interface PlayoffBracketProps {
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matches: Match[];
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rounds: string[]; // Ordered list of round names (earliest first)
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bracketTemplateId?: string | null;
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preEliminatedParticipants?: { id: string; name: string }[];
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participantPoints?: { participantId: string; points: number }[];
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partialScoreParticipantIds?: string[];
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teamOwnerships?: TeamOwnership[];
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userParticipantIds?: string[];
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showOwnership?: boolean;
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title?: string;
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description?: string;
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}
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/** Group matches by round, sorted by matchNumber, in one pass. */
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export function groupMatchesByRound(matches: Match[]): Map<string, Match[]> {
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const byRound = new Map<string, Match[]>();
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for (const match of matches) {
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if (!byRound.has(match.round)) byRound.set(match.round, []);
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byRound.get(match.round)?.push(match);
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}
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for (const group of byRound.values()) {
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group.sort((a, b) => a.matchNumber - b.matchNumber);
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}
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return byRound;
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}
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/**
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* For a standard single-elimination bracket, slot p1 of match N in round R
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* comes from match (2N-1) in the previous round, and slot p2 from match 2N.
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*/
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export function buildFeederMap(
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matchesByRound: Map<string, Match[]>,
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orderedRounds: string[]
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): Map<string, { round: string; matchNumber: number }> {
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const feederMap = new Map<string, { round: string; matchNumber: number }>();
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for (let ri = 1; ri < orderedRounds.length; ri++) {
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const currentRound = orderedRounds[ri];
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const prevRound = orderedRounds[ri - 1];
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const prevMatchNums = new Set(
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(matchesByRound.get(prevRound) || []).map((m) => m.matchNumber)
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);
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for (const match of matchesByRound.get(currentRound) || []) {
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const p1Src = 2 * (match.matchNumber - 1) + 1;
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const p2Src = 2 * (match.matchNumber - 1) + 2;
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if (prevMatchNums.has(p1Src)) {
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feederMap.set(`${currentRound}:${match.matchNumber}:p1`, {
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round: prevRound,
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matchNumber: p1Src,
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});
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}
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if (prevMatchNums.has(p2Src)) {
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feederMap.set(`${currentRound}:${match.matchNumber}:p2`, {
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round: prevRound,
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matchNumber: p2Src,
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});
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}
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}
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}
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return feederMap;
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}
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interface EliminatedEntry {
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participant: Participant;
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score: string | null;
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rankLabel: string;
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ownership: TeamOwnership | null;
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}
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/**
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* For each complete match, determine which losers should be shown as eliminated
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* in that round. In double-chance brackets (e.g. AFL), a participant who lost
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* round X but then won a later round Y is NOT eliminated at round X — only their
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* final loss counts.
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*
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* Returns a map of round name → array of eliminated participant IDs.
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* Exported for unit testing.
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*/
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export function computeEliminatedByRound(
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matches: Array<{
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round: string;
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isComplete: boolean;
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winnerId: string | null;
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loser?: { id: string; name: string } | null;
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participant1Id?: string | null;
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participant2Id?: string | null;
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}>,
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rounds: string[]
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): Map<string, string[]> {
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const roundIndex = new Map(rounds.map((r, i) => [r, i]));
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// Track the latest round (by index) each participant has APPEARED IN.
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// We track winnerId/loserId for completed matches AND participant1Id/participant2Id
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// for ALL matches (even incomplete ones). This correctly handles:
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// - AFL double-chance: a QF loser who appears in a later Semi-Finals match
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// - NBA play-in: a 7v8 loser placed into a PIR2 slot (match not yet complete)
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// If a participant appears in a later round slot, they are not yet eliminated.
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const participantLatestRound = new Map<string, number>();
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const updateLatest = (id: string, ri: number) => {
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const prev = participantLatestRound.get(id) ?? -1;
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if (ri > prev) participantLatestRound.set(id, ri);
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};
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for (const match of matches) {
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const ri = roundIndex.get(match.round) ?? -1;
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if (match.winnerId) updateLatest(match.winnerId, ri);
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if (match.loser?.id) updateLatest(match.loser.id, ri);
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if (match.participant1Id) updateLatest(match.participant1Id, ri);
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if (match.participant2Id) updateLatest(match.participant2Id, ri);
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}
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const result = new Map<string, string[]>();
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for (const match of matches) {
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if (!match.isComplete || !match.loser) continue;
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const lossRoundIndex = roundIndex.get(match.round) ?? -1;
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const loserLatestAppear = participantLatestRound.get(match.loser.id) ?? -1;
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// Double-chance survivor: participant appeared in a LATER round — not yet eliminated here.
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if (loserLatestAppear > lossRoundIndex) continue;
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if (!result.has(match.round)) result.set(match.round, []);
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result.get(match.round)?.push(match.loser.id);
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}
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return result;
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}
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/** Find the index of the first round that has scoring matches. */
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function firstScoringRoundIdx(matchesByRound: Map<string, Match[]>, rounds: string[]): number {
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for (let i = 0; i < rounds.length; i++) {
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if (matchesByRound.get(rounds[i])?.some((m) => m.isScoring)) return i;
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}
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return 0;
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}
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export function PlayoffBracket({
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matches,
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rounds,
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bracketTemplateId = null,
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preEliminatedParticipants = [],
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participantPoints = [],
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partialScoreParticipantIds: _partialScoreParticipantIds = [],
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teamOwnerships = [],
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userParticipantIds = [],
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showOwnership = true,
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title = "Playoff Bracket",
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description,
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}: PlayoffBracketProps) {
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const userParticipantSet = new Set(userParticipantIds);
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const ownershipMap = new Map<string, TeamOwnership>();
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teamOwnerships.forEach((o) => ownershipMap.set(o.participantId, o));
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const pointsMap = new Map(participantPoints.map((p) => [p.participantId, p.points]));
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const matchesByRound = groupMatchesByRound(matches);
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const scoringRoundIdx = firstScoringRoundIdx(matchesByRound, rounds);
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const template = bracketTemplateId ? getBracketTemplate(bracketTemplateId) : undefined;
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// Build elimination rankings
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const losersByRound = new Map<string, Array<{ participant: Participant; score: string | null; ownership: TeamOwnership | null }>>();
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let bracketWinner: Participant | null = null;
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const lastRound = rounds[rounds.length - 1];
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const finalMatch = lastRound
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? (matchesByRound.get(lastRound) || []).find((m) => m.matchNumber === 1)
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: null;
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if (finalMatch?.winner) bracketWinner = finalMatch.winner;
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const eliminatedByRound = computeEliminatedByRound(matches, rounds);
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for (const match of matches) {
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if (!match.isComplete || !match.loser) continue;
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const eliminatedInRound = eliminatedByRound.get(match.round);
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if (!eliminatedInRound?.includes(match.loser.id)) continue;
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const loserScore =
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match.loserId === match.participant1Id
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? match.participant1Score
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: match.participant2Score;
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if (!losersByRound.has(match.round)) losersByRound.set(match.round, []);
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losersByRound.get(match.round)?.push({
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participant: match.loser,
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score: loserScore,
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ownership: ownershipMap.get(match.loser.id) || null,
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});
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}
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const allBracketParticipantIds = new Set<string>();
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for (const match of matches) {
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if (match.participant1Id) allBracketParticipantIds.add(match.participant1Id);
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if (match.participant2Id) allBracketParticipantIds.add(match.participant2Id);
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}
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const rankedEntries: EliminatedEntry[] = [];
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let nextRank = 2;
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for (let ri = rounds.length - 1; ri >= 0; ri--) {
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const roundName = rounds[ri];
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const roundLosers = losersByRound.get(roundName) || [];
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const totalMatchesInRound = matchesByRound.get(roundName)?.length ?? 0;
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if (roundLosers.length > 0) {
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const rankLabel = `T${nextRank}`;
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for (const loser of roundLosers) {
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rankedEntries.push({ ...loser, rankLabel });
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}
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}
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nextRank += totalMatchesInRound;
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}
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const rankedParticipantIds = new Set(rankedEntries.map((e) => e.participant.id));
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if (bracketWinner) rankedParticipantIds.add(bracketWinner.id);
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const filteredPreEliminated = preEliminatedParticipants.filter(
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(p) => !rankedParticipantIds.has(p.id)
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);
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const showRankings = rankedEntries.length > 0 || bracketWinner !== null || filteredPreEliminated.length > 0;
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const participantMap = new Map<string, Participant>();
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for (const match of matches) {
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if (match.participant1) participantMap.set(match.participant1.id, match.participant1);
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if (match.participant2) participantMap.set(match.participant2.id, match.participant2);
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}
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const activeParticipants = [...allBracketParticipantIds]
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.filter((id) => !rankedParticipantIds.has(id))
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.map((id) => participantMap.get(id))
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.filter((p): p is Participant => p !== undefined);
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const isDraftedOrScoring = (participantId: string) =>
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ownershipMap.has(participantId) || (pointsMap.get(participantId) ?? 0) > 0;
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const winnerIsOwned = bracketWinner ? userParticipantSet.has(bracketWinner.id) : false;
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const winnerOwnership = bracketWinner ? ownershipMap.get(bracketWinner.id) : undefined;
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const winnerPts = bracketWinner ? pointsMap.get(bracketWinner.id) : undefined;
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return (
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<div className="space-y-6">
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{/* Header */}
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<div>
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<h2 className="text-xl font-semibold">{title}</h2>
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{description && (
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<p className="text-sm text-muted-foreground mt-1">{description}</p>
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)}
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</div>
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{matches.length === 0 ? (
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<div className="text-center py-8 text-muted-foreground">
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<p className="text-sm">No bracket matches available yet.</p>
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<p className="text-xs mt-1">
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Matches will appear here once the bracket is set up.
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</p>
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</div>
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) : (
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<div className="space-y-8">
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{template?.phases ? (
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<TabbedBracketLayout
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rounds={rounds}
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matchesByRound={matchesByRound as Map<string, BracketMatch[]>}
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ownershipMap={ownershipMap as Map<string, BracketOwnership>}
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userParticipantIds={userParticipantSet}
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phases={template.phases}
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scoringRoundIdx={scoringRoundIdx}
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/>
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) : template?.conferenceGroups ? (
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<NbaBracketLayout
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matches={matches}
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rounds={rounds}
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matchesByRound={matchesByRound as Map<string, BracketMatch[]>}
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ownershipMap={ownershipMap as Map<string, BracketOwnership>}
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userParticipantIds={userParticipantSet}
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conferenceGroups={template.conferenceGroups}
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scoringRoundIdx={scoringRoundIdx}
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/>
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) : (
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<>
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{/* ── Desktop ── */}
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<div className="hidden md:block">
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<BracketTreeView
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rounds={rounds}
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matchesByRound={matchesByRound as Map<string, BracketMatch[]>}
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ownershipMap={ownershipMap as Map<string, BracketOwnership>}
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userParticipantIds={userParticipantSet}
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/>
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</div>
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{/* ── Mobile ── */}
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<div className="md:hidden">
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<BracketTreePaginated
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rounds={rounds}
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matchesByRound={matchesByRound as Map<string, BracketMatch[]>}
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ownershipMap={ownershipMap as Map<string, BracketOwnership>}
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userParticipantIds={userParticipantSet}
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firstScoringRoundIdx={scoringRoundIdx}
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/>
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</div>
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</>
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)}
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{/* ── In Contention ── */}
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{activeParticipants.length > 0 && (
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<Card className="border-green-500/30">
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<CardHeader>
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<CardTitle className="text-green-600 dark:text-green-400 flex items-center gap-2">
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<Star className="h-5 w-5" />
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In Contention
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</CardTitle>
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</CardHeader>
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<CardContent>
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<Table>
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<TableHeader>
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<TableRow>
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<TableHead>Participant</TableHead>
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{showOwnership && (
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<TableHead className="w-40 pl-6">Drafted By</TableHead>
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)}
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{pointsMap.size > 0 && (
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<TableHead className="text-right w-16">Pts</TableHead>
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)}
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</TableRow>
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</TableHeader>
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<TableBody>
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{activeParticipants.map((p) => {
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const isOwned = userParticipantSet.has(p.id);
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const ownership = showOwnership ? ownershipMap.get(p.id) || null : null;
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const pts = pointsMap.get(p.id);
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return (
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<TableRow
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key={p.id}
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className={isOwned ? "bg-electric/5 border-l-2 border-l-electric" : ""}
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>
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<TableCell className={isOwned ? "text-electric font-medium" : ""}>
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{p.name}
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{isOwned && (
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<Star className="inline ml-1.5 h-3 w-3 fill-current text-electric" />
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)}
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</TableCell>
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{showOwnership && (
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<TableCell className="pl-6">
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{ownership ? (
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<TeamOwnerBadge teamName={ownership.teamName} ownerName={ownership.ownerName} />
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) : (
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<span className="text-xs text-muted-foreground">-</span>
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)}
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</TableCell>
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)}
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{pointsMap.size > 0 && (
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<TableCell className="text-right font-mono text-sm">
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{pts !== undefined ? pts : "–"}
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</TableCell>
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)}
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</TableRow>
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);
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})}
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</TableBody>
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</Table>
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</CardContent>
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</Card>
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)}
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{/* ── Final Rankings ── */}
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{showRankings && (
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<Card className="border-electric/30">
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<CardHeader>
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<CardTitle className="text-electric flex items-center gap-2">
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<Trophy className="h-5 w-5" />
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{bracketWinner ? "Final Rankings" : "Eliminated Teams"}
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</CardTitle>
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</CardHeader>
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<CardContent>
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<Table>
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<TableHeader>
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<TableRow>
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<TableHead className="w-20">Rank</TableHead>
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<TableHead>Participant</TableHead>
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{showOwnership && (
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<TableHead className="w-40 pl-6">Drafted By</TableHead>
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)}
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{pointsMap.size > 0 && (
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<TableHead className="text-right w-16">Pts</TableHead>
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)}
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</TableRow>
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</TableHeader>
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<TableBody>
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{bracketWinner && (
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<TableRow className={winnerIsOwned ? "bg-electric/8 border-l-2 border-l-electric" : "bg-yellow-50/30 dark:bg-yellow-950/10"}>
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<TableCell className="font-semibold text-yellow-600 dark:text-yellow-400">
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<span className="flex items-center gap-1">
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<Trophy className="h-3 w-3" />
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#1
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</span>
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</TableCell>
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<TableCell className="font-semibold">
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{bracketWinner.name}
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{winnerIsOwned && (
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<Star className="inline ml-1.5 h-3 w-3 fill-current text-electric" />
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)}
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</TableCell>
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{showOwnership && (
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<TableCell className="pl-6">
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{winnerOwnership ? (
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<TeamOwnerBadge teamName={winnerOwnership.teamName} ownerName={winnerOwnership.ownerName} />
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) : (
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<span className="text-xs text-muted-foreground">-</span>
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)}
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</TableCell>
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)}
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{pointsMap.size > 0 && (
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<TableCell className="text-right font-semibold text-electric">
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{winnerPts ?? "—"}
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</TableCell>
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)}
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</TableRow>
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)}
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{rankedEntries.filter((entry) => isDraftedOrScoring(entry.participant.id)).map((entry) => {
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const isOwned = userParticipantSet.has(entry.participant.id);
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const pts = pointsMap.get(entry.participant.id);
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return (
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<TableRow
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key={entry.participant.id}
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className={isOwned ? "bg-electric/5 border-l-2 border-l-electric opacity-80" : "opacity-60"}
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>
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<TableCell className="font-mono text-xs text-muted-foreground">
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{entry.rankLabel}
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</TableCell>
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<TableCell className={isOwned ? "text-electric font-medium" : "text-muted-foreground"}>
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{entry.participant.name}
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{isOwned && (
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<Star className="inline ml-1.5 h-3 w-3 fill-current text-electric" />
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)}
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</TableCell>
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{showOwnership && (
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<TableCell className="pl-6">
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||
{entry.ownership ? (
|
||
<TeamOwnerBadge
|
||
teamName={entry.ownership.teamName}
|
||
ownerName={entry.ownership.ownerName}
|
||
/>
|
||
) : (
|
||
<span className="text-xs text-muted-foreground">-</span>
|
||
)}
|
||
</TableCell>
|
||
)}
|
||
{pointsMap.size > 0 && (
|
||
<TableCell className="text-right tabular-nums text-muted-foreground">
|
||
{pts ?? "—"}
|
||
</TableCell>
|
||
)}
|
||
</TableRow>
|
||
);
|
||
})}
|
||
|
||
{filteredPreEliminated.filter((p) => isDraftedOrScoring(p.id)).map((p) => {
|
||
const isOwned = userParticipantSet.has(p.id);
|
||
const ownership = showOwnership ? ownershipMap.get(p.id) || null : null;
|
||
const pts = pointsMap.get(p.id);
|
||
return (
|
||
<TableRow
|
||
key={p.id}
|
||
className={isOwned ? "bg-electric/5 border-l-2 border-l-electric opacity-60" : "opacity-40"}
|
||
>
|
||
<TableCell className="font-mono text-xs text-muted-foreground">—</TableCell>
|
||
<TableCell className={isOwned ? "text-electric font-medium" : "text-muted-foreground"}>
|
||
{p.name}
|
||
{isOwned && (
|
||
<Star className="inline ml-1.5 h-3 w-3 fill-current text-electric" />
|
||
)}
|
||
</TableCell>
|
||
{showOwnership && (
|
||
<TableCell className="pl-6">
|
||
{ownership ? (
|
||
<TeamOwnerBadge teamName={ownership.teamName} ownerName={ownership.ownerName} />
|
||
) : (
|
||
<span className="text-xs text-muted-foreground">-</span>
|
||
)}
|
||
</TableCell>
|
||
)}
|
||
{pointsMap.size > 0 && (
|
||
<TableCell className="text-right tabular-nums text-muted-foreground">
|
||
{pts ?? "—"}
|
||
</TableCell>
|
||
)}
|
||
</TableRow>
|
||
);
|
||
})}
|
||
</TableBody>
|
||
</Table>
|
||
</CardContent>
|
||
</Card>
|
||
)}
|
||
</div>
|
||
)}
|
||
</div>
|
||
);
|
||
}
|
||
|