import { eq, and, asc } from "drizzle-orm";
import { database } from "~/database/context";
import * as schema from "~/database/schema";

export type TournamentResult = typeof schema.tournamentResults.$inferSelect;
export type NewTournamentResult = typeof schema.tournamentResults.$inferInsert;

export async function upsertTournamentResult(
  data: NewTournamentResult
): Promise<TournamentResult> {
  if (!data.tournamentId || !data.participantId) {
    throw new Error("tournamentId and participantId are required");
  }

  const db = database();
  const [result] = await db
    .insert(schema.tournamentResults)
    .values(data)
    .onConflictDoUpdate({
      target: [
        schema.tournamentResults.tournamentId,
        schema.tournamentResults.participantId,
      ],
      set: {
        placement: data.placement,
        rawScore: data.rawScore,
        updatedAt: new Date(),
      },
    })
    .returning();
  return result;
}

export async function getTournamentResults(
  tournamentId: string
): Promise<TournamentResult[]> {
  const db = database();
  return await db
    .select()
    .from(schema.tournamentResults)
    .where(eq(schema.tournamentResults.tournamentId, tournamentId))
    .orderBy(asc(schema.tournamentResults.placement));
}

export async function getTournamentResultByParticipant(
  tournamentId: string,
  participantId: string
): Promise<TournamentResult | null> {
  const db = database();
  const results = await db
    .select()
    .from(schema.tournamentResults)
    .where(
      and(
        eq(schema.tournamentResults.tournamentId, tournamentId),
        eq(schema.tournamentResults.participantId, participantId)
      )
    )
    .limit(1);
  return results[0] ?? null;
}