import type { OpenClawPluginApi } from "openclaw/plugin-sdk";
import { initTurnOrder } from "../turn-manager.js";
import { fetchVisibleChannelBotAccountIds } from "./channel-members.js";

const channelSeenAccounts = new Map<string, Set<string>>();
const channelBootstrapTried = new Set<string>();

function getAllBotAccountIds(api: OpenClawPluginApi): string[] {
  const root = (api.config as Record<string, unknown>) || {};
  const bindings = root.bindings as Array<Record<string, unknown>> | undefined;
  if (!Array.isArray(bindings)) return [];
  const ids: string[] = [];
  for (const b of bindings) {
    const match = b.match as Record<string, unknown> | undefined;
    if (match?.channel === "discord" && typeof match.accountId === "string") {
      ids.push(match.accountId);
    }
  }
  return ids;
}

function getChannelBotAccountIds(api: OpenClawPluginApi, channelId: string): string[] {
  const allBots = new Set(getAllBotAccountIds(api));
  const seen = channelSeenAccounts.get(channelId);
  if (!seen) return [];
  return [...seen].filter((id) => allBots.has(id));
}

export function recordChannelAccount(channelId: string, accountId: string): boolean {
  let seen = channelSeenAccounts.get(channelId);
  if (!seen) {
    seen = new Set();
    channelSeenAccounts.set(channelId, seen);
  }
  if (seen.has(accountId)) return false;
  seen.add(accountId);
  return true;
}

export async function ensureTurnOrder(api: OpenClawPluginApi, channelId: string): Promise<void> {
  let botAccounts = getChannelBotAccountIds(api, channelId);

  if (botAccounts.length === 0 && !channelBootstrapTried.has(channelId)) {
    channelBootstrapTried.add(channelId);
    const discovered = await fetchVisibleChannelBotAccountIds(api, channelId).catch(() => [] as string[]);
    for (const aid of discovered) recordChannelAccount(channelId, aid);
    botAccounts = getChannelBotAccountIds(api, channelId);
  }

  if (botAccounts.length > 0) {
    initTurnOrder(channelId, botAccounts);
  }
}