Files
euchre_camp/src/app/api/matches/route.ts
T

377 lines
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TypeScript

import { NextResponse } from "next/server";
import { prisma } from "@/lib/prisma";
import { getSession } from "@/lib/auth-simple";
import { hasRole, canManageMatch } from "@/lib/permissions";
import { calculateTeamElo, calculateTeamEloChange } from "@/lib/elo-utils";
import { calculateOpenSkillRatings, fromOpenSkillRating } from "@/lib/openskill-utils";
import { calculateGlicko2Ratings } from "@/lib/glicko2-utils";
const K_FACTOR = 32; // Standard K-factor for Elo calculations
/**
* GET /api/matches
*
* Get matches (admin only)
* Requires: club_admin, site_admin, or tournament_admin role
*/
export async function GET() {
try {
const session = await getSession();
if (!session) {
return NextResponse.json(
{ error: "Not authenticated" },
{ status: 403 }
);
}
const userId = session.user?.id;
if (!userId) {
return NextResponse.json(
{ error: "User ID not found in session" },
{ status: 403 }
);
}
// Fetch user from database to get current role
const user = await prisma.user.findUnique({
where: { id: userId },
select: { role: true }
});
if (!user) {
return NextResponse.json(
{ error: "User not found" },
{ status: 403 }
);
}
const userRole = user.role as 'player' | 'tournament_admin' | 'club_admin' | 'site_admin';
let matches;
if (userRole === 'club_admin' || userRole === 'site_admin') {
// Club admins and site admins can see all matches
matches = await prisma.match.findMany({
include: {
event: {
select: {
id: true,
name: true,
},
},
player1P1: { select: { id: true, name: true } },
player1P2: { select: { id: true, name: true } },
player2P1: { select: { id: true, name: true } },
player2P2: { select: { id: true, name: true } },
},
orderBy: { playedAt: 'desc' },
});
} else {
// Regular players cannot view matches via this API (should not happen if UI is protected)
return NextResponse.json(
{ error: "Insufficient permissions to view matches" },
{ status: 403 }
);
}
return NextResponse.json(matches);
} catch (error: unknown) {
console.error("Error fetching matches:", error);
const message = error instanceof Error ? error.message : "Failed to fetch matches";
return NextResponse.json(
{ error: message },
{ status: 500 }
);
}
}
/**
* POST /api/matches
*
* Create a casual match (not associated with a tournament)
* Requires: player role or higher
*/
export async function POST(request: Request) {
try {
const body = await request.json();
const {
team1P1Id,
team1P2Id,
team2P1Id,
team2P2Id,
team1Score,
team2Score,
playedAt,
eventId,
isCasual: isCasualFromRequest,
} = body;
// Determine if match is casual
// If eventId is provided, it's a tournament match (not casual by default)
// If eventId is null, it's a casual match (casual by default)
const isCasual = isCasualFromRequest !== undefined ? isCasualFromRequest : (eventId ? false : true);
// Validate required fields
if (!team1P1Id || !team1P2Id || !team2P1Id || !team2P2Id) {
return NextResponse.json(
{ error: "All four player IDs are required" },
{ status: 400 }
);
}
if (team1Score === undefined || team2Score === undefined) {
return NextResponse.json(
{ error: "Both team scores are required" },
{ status: 400 }
);
}
// Check permissions - need at least player role
const session = await getSession();
if (!session) {
return NextResponse.json(
{ error: "Not authenticated" },
{ status: 403 }
);
}
const userId = session.user?.id || null;
// Fetch player data
const [player1, player2, player3, player4] = await Promise.all([
prisma.player.findUnique({ where: { id: parseInt(team1P1Id) } }),
prisma.player.findUnique({ where: { id: parseInt(team1P2Id) } }),
prisma.player.findUnique({ where: { id: parseInt(team2P1Id) } }),
prisma.player.findUnique({ where: { id: parseInt(team2P2Id) } }),
]);
// Check all players exist
const missingPlayers: number[] = [];
if (!player1) missingPlayers.push(parseInt(team1P1Id));
if (!player2) missingPlayers.push(parseInt(team1P2Id));
if (!player3) missingPlayers.push(parseInt(team2P1Id));
if (!player4) missingPlayers.push(parseInt(team2P2Id));
if (missingPlayers.length > 0) {
return NextResponse.json(
{ error: `Players not found: ${missingPlayers.join(", ")}` },
{ status: 400 }
);
}
// Calculate match outcome
const team1Won = team1Score > team2Score;
const team2Won = team2Score > team1Score;
const isTie = team1Score === team2Score;
const team1ScoreActual = isTie ? 0.5 : (team1Won ? 1 : 0);
const team2ScoreActual = isTie ? 0.5 : (team2Won ? 1 : 0);
// Calculate Elo changes
const team1Rating = calculateTeamElo(player1!.currentElo, player2!.currentElo);
const team2Rating = calculateTeamElo(player3!.currentElo, player4!.currentElo);
const team1EloChange = calculateTeamEloChange(team1Rating, team2Rating, team1ScoreActual, K_FACTOR);
const team2EloChange = calculateTeamEloChange(team2Rating, team1Rating, team2ScoreActual, K_FACTOR);
const player1EloChange = team1EloChange / 2;
const player2EloChange = team1EloChange / 2;
const player3EloChange = team2EloChange / 2;
const player4EloChange = team2EloChange / 2;
// Calculate OpenSkill ratings
const player1OpenSkill = { mu: player1!.currentElo, sigma: 8.33 };
const player2OpenSkill = { mu: player2!.currentElo, sigma: 8.33 };
const player3OpenSkill = { mu: player3!.currentElo, sigma: 8.33 };
const player4OpenSkill = { mu: player4!.currentElo, sigma: 8.33 };
const rankings = isTie ? [0, 0] : team1Won ? [0, 1] : [1, 0];
const openSkillTeams = [[player1OpenSkill, player2OpenSkill], [player3OpenSkill, player4OpenSkill]];
const newOpenSkillRatings = calculateOpenSkillRatings(openSkillTeams, rankings);
// Calculate Glicko2 ratings
const Glicko2 = require('glicko2').Glicko2;
const glicko = new Glicko2();
const glicko1 = glicko.makePlayer(player1!.currentElo, 350, 0.06);
const glicko2 = glicko.makePlayer(player2!.currentElo, 350, 0.06);
const glicko3 = glicko.makePlayer(player3!.currentElo, 350, 0.06);
const glicko4 = glicko.makePlayer(player4!.currentElo, 350, 0.06);
const glickoMatches: [any, any, number][] = [];
const outcome = isTie ? 0.5 : team1Won ? 1 : 0;
[glicko1, glicko2].forEach(p1 => {
[glicko3, glicko4].forEach(p2 => {
glickoMatches.push([p1, p2, outcome]);
});
});
glicko.updateRatings(glickoMatches);
// Create match
const match = await prisma.match.create({
data: {
eventId: eventId ? parseInt(eventId) : null,
isCasual: isCasual,
playedAt: playedAt ? new Date(playedAt) : new Date(),
player1P1Id: parseInt(team1P1Id),
player1P2Id: parseInt(team1P2Id),
player2P1Id: parseInt(team2P1Id),
player2P2Id: parseInt(team2P2Id),
team1Score,
team2Score,
status: "completed",
createdById: userId,
},
});
// Update player stats (Elo)
await updatePlayerStats(parseInt(team1P1Id), team1Won, player1EloChange, isTie);
await updatePlayerStats(parseInt(team1P2Id), team1Won, player2EloChange, isTie);
await updatePlayerStats(parseInt(team2P1Id), team2Won, player3EloChange, isTie);
await updatePlayerStats(parseInt(team2P2Id), team2Won, player4EloChange, isTie);
// Update OpenSkill ratings
await updateOpenSkillRating(parseInt(team1P1Id), fromOpenSkillRating(newOpenSkillRatings[0][0]), team1Won, isTie);
await updateOpenSkillRating(parseInt(team1P2Id), fromOpenSkillRating(newOpenSkillRatings[0][1]), team1Won, isTie);
await updateOpenSkillRating(parseInt(team2P1Id), fromOpenSkillRating(newOpenSkillRatings[1][0]), team2Won, isTie);
await updateOpenSkillRating(parseInt(team2P2Id), fromOpenSkillRating(newOpenSkillRatings[1][1]), team2Won, isTie);
// Update Glicko2 ratings
await updateGlicko2Rating(parseInt(team1P1Id), glicko1.getRating(), glicko1.getRd(), glicko1.getVol(), team1Won, isTie);
await updateGlicko2Rating(parseInt(team1P2Id), glicko2.getRating(), glicko2.getRd(), glicko2.getVol(), team1Won, isTie);
await updateGlicko2Rating(parseInt(team2P1Id), glicko3.getRating(), glicko3.getRd(), glicko3.getVol(), team2Won, isTie);
await updateGlicko2Rating(parseInt(team2P2Id), glicko4.getRating(), glicko4.getRd(), glicko4.getVol(), team2Won, isTie);
// Update partnership stats
await updatePartnershipStats(parseInt(team1P1Id), parseInt(team1P2Id), team1Won, player1EloChange, isTie);
await updatePartnershipStats(parseInt(team2P1Id), parseInt(team2P2Id), team2Won, player3EloChange, isTie);
return NextResponse.json({
success: true,
match,
});
} catch (error: unknown) {
console.error("Error creating casual match:", error);
const message = error instanceof Error ? error.message : "Failed to create match";
return NextResponse.json(
{ error: message },
{ status: 500 }
);
}
}
async function updatePlayerStats(playerId: number, won: boolean, eloChange: number, isTie: boolean = false) {
const player = await prisma.player.findUnique({
where: { id: playerId },
});
if (!player) {
throw new Error(`Player ${playerId} not found`);
}
await prisma.player.update({
where: { id: playerId },
data: {
currentElo: player.currentElo + Math.round(eloChange),
gamesPlayed: player.gamesPlayed + 1,
wins: isTie ? player.wins : (won ? player.wins + 1 : player.wins),
losses: isTie ? player.losses : (won ? player.losses : player.losses + 1),
},
});
}
async function updatePartnershipStats(player1Id: number, player2Id: number, won: boolean, eloChange: number, isTie: boolean = false) {
const [smallId, largeId] = player1Id < player2Id ? [player1Id, player2Id] : [player2Id, player1Id];
const existing = await prisma.partnershipStat.findFirst({
where: {
player1Id: smallId,
player2Id: largeId,
},
});
const updateData = isTie
? {
gamesPlayed: { increment: 1 },
totalEloChange: { increment: eloChange },
lastPlayed: new Date(),
}
: {
gamesPlayed: { increment: 1 },
wins: won ? { increment: 1 } : undefined,
losses: won ? undefined : { increment: 1 },
totalEloChange: { increment: eloChange },
lastPlayed: new Date(),
};
if (existing) {
await prisma.partnershipStat.update({
where: { id: existing.id },
data: updateData,
});
} else {
await prisma.partnershipStat.create({
data: {
player1Id: smallId,
player2Id: largeId,
gamesPlayed: 1,
wins: isTie ? 0 : (won ? 1 : 0),
losses: isTie ? 0 : (won ? 0 : 1),
totalEloChange: eloChange,
lastPlayed: new Date(),
},
});
}
}
async function updateOpenSkillRating(playerId: number, rating: number, won: boolean, isTie: boolean = false) {
await prisma.openSkillRating.upsert({
where: { playerId },
update: {
rating,
gamesPlayed: { increment: 1 },
wins: won ? { increment: 1 } : undefined,
losses: !won && !isTie ? { increment: 1 } : undefined,
draws: isTie ? { increment: 1 } : undefined,
lastUpdated: new Date(),
},
create: {
playerId,
rating,
gamesPlayed: 1,
wins: won ? 1 : 0,
losses: !won && !isTie ? 1 : 0,
draws: isTie ? 1 : 0,
lastUpdated: new Date(),
},
});
}
async function updateGlicko2Rating(playerId: number, rating: number, deviation: number, volatility: number, won: boolean, isTie: boolean = false) {
await prisma.glicko2Rating.upsert({
where: { playerId },
update: {
rating,
deviation,
volatility,
gamesPlayed: { increment: 1 },
wins: won ? { increment: 1 } : undefined,
losses: !won && !isTie ? { increment: 1 } : undefined,
draws: isTie ? { increment: 1 } : undefined,
lastUpdated: new Date(),
},
create: {
playerId,
rating,
deviation,
volatility,
gamesPlayed: 1,
wins: won ? 1 : 0,
losses: !won && !isTie ? 1 : 0,
draws: isTie ? 1 : 0,
lastUpdated: new Date(),
},
});
}