"use client";

import { useQuery } from "@tanstack/react-query";
import { getValidAccessToken } from "@/lib/auth";
import { identityApi } from "@/lib/identity";
import { useTenantId } from "@/hooks/useTenantId";
import { useMe } from "@/hooks/useMe";

export type TenantPerson = { id: string; label: string };

export function useTenantMembers() {
  const { tenantId } = useTenantId();
  const { me } = useMe();

  return useQuery({
    queryKey: ["workspace", tenantId, "identity-members"],
    queryFn: async (): Promise<TenantPerson[]> => {
      const token = await getValidAccessToken();
      if (!token || !tenantId) throw new Error("برای انتخاب اعضا باید وارد شوید.");
      let members: Awaited<ReturnType<typeof identityApi.listMembers>> = [];
      try {
        members = await identityApi.listMembers(token, tenantId);
      } catch {
        members = me?.user_id ? [{ id: me.user_id, tenant_id: tenantId, user_id: me.user_id, role: "tenant_member", is_active: true, joined_at: "" }] : [];
      }
      let users: Awaited<ReturnType<typeof identityApi.listUsers>> = [];
      try {
        users = await identityApi.listUsers(token, { limit: 100 });
      } catch {
        users = [];
      }
      const names = new Map(
        users.map((user) => [
          user.id,
          user.display_name || user.username || user.email || user.mobile || "عضو سازمان",
        ])
      );
      const people = members
        .filter((member) => member.is_active)
        .map((member) => ({
          id: member.user_id,
          label: names.get(member.user_id) || "عضو سازمان",
        }));
      if (me?.user_id && !people.some((person) => person.id === me.user_id)) {
        people.unshift({ id: me.user_id, label: "من" });
      }
      return people;
    },
    enabled: !!tenantId,
    staleTime: 60_000,
  });
}