import dungeonCatalog from "../src/game/generated/dungeonLeaderboardCatalog.generated.json" with { type: "json" };

const knownIds = new Set(dungeonCatalog.dungeons.map((dungeon) => dungeon.id));
const modes = ["regular", "biteSized", "randomizedBiteSized"];

export const DEFAULT_DUNGEON_QUEUE_POLICY = Object.freeze({
  schemaVersion: 1,
  disabled: { regular: [], biteSized: [], randomizedBiteSized: [] },
});

function modeForId(id) {
  if (id.startsWith("randomized-bite-sized-")) return "randomizedBiteSized";
  if (id.startsWith("bite-sized-")) return "biteSized";
  return "regular";
}

export function normalizeDungeonQueuePolicy(value) {
  if (!value || typeof value !== "object" || Array.isArray(value) || value.schemaVersion !== 1
    || !value.disabled || typeof value.disabled !== "object" || Array.isArray(value.disabled)) {
    throw new Error("A version 1 dungeon queue policy is required.");
  }
  if (Object.keys(value.disabled).some((mode) => !modes.includes(mode))) {
    throw new Error("Unknown dungeon queue mode.");
  }
  const disabled = {};
  for (const mode of modes) {
    const ids = value.disabled[mode];
    if (!Array.isArray(ids) || ids.some((id) => typeof id !== "string" || !knownIds.has(id) || modeForId(id) !== mode)
      || new Set(ids).size !== ids.length) {
      throw new Error(`Invalid disabled dungeon IDs for ${mode}.`);
    }
    disabled[mode] = [...ids].sort();
  }
  return { schemaVersion: 1, disabled };
}