import "server-only";
import { admin, required } from "./supabase";
import type {
  LeaderboardData,
  LeaderboardDifficulty,
} from "@/shared/leaderboard";

export async function leaderboard({
  difficulty = "all",
  search = "",
  page = 1,
  limit = 25,
}: {
  difficulty?: LeaderboardDifficulty;
  search?: string;
  page?: number;
  limit?: number;
} = {}): Promise<LeaderboardData | null> {
  try {
    const data = required(
      await admin().rpc("player_leaderboard", {
        p_difficulty: difficulty,
        p_search: search,
        p_page: page,
        p_limit: limit,
      }),
    ) as unknown as LeaderboardData;
    const ids = [
      ...new Set(
        [...data.entries, ...data.leaders].map((entry) => entry.player_id),
      ),
    ];
    const profiles = ids.length
      ? required(
          await admin()
            .from("profiles")
            .select(
              "id,avatar_path,profile_effect,name_glow,glow_color,role,bug_finder,custom_prefix,custom_prefix_icon",
            )
            .in("id", ids),
        )
      : [];
    const addGlow = (entry: LeaderboardData["entries"][number]) => ({
      ...entry,
      ...profiles.find((profile) => profile.id === entry.player_id),
    });
    return {
      ...data,
      entries: data.entries.map(addGlow),
      leaders: data.leaders.map(addGlow),
    };
  } catch (error) {
    // A leaderboard outage must not take the map catalog or homepage offline.
    console.error(
      "Leaderboard query failed",
      error instanceof Error ? error.message : "Unknown error",
    );
    return null;
  }
}