"use server";

import { revalidatePath } from "next/cache";
import { requireStaff, requireStaffRateLimited } from "@/lib/admin/guard";
import { prisma } from "@/lib/prisma";
import { rcon } from "@/lib/services/rcon";
import { type CurrencyName, sendCurrency } from "@/lib/services/send-currency";
import { logStaffActivity } from "@/lib/services/staff-activity";

const CURRENCIES: ReadonlySet<string> = new Set(["credits", "duckets", "diamonds", "points"]);

export async function giveCurrency(formData: FormData): Promise<void> {
  const staff = await requireStaffRateLimited();
  const userId = Number(formData.get("userId"));
  const type = String(formData.get("type"));
  const amount = Number(formData.get("amount"));
  if (userId > 0 && amount > 0 && CURRENCIES.has(type)) {
    await sendCurrency({ rcon, db: prisma }, userId, type as CurrencyName, amount);
    await logStaffActivity({
      staffId: staff.id,
      action: "give_currency",
      description: `Gave ${amount} ${type} to user #${userId}`,
      targetType: "user",
      targetId: userId,
    });
  }
  revalidatePath(`/admin/users/${userId}`);
}

export async function setMotto(formData: FormData): Promise<void> {
  await requireStaff();
  const userId = Number(formData.get("userId"));
  const motto = String(formData.get("motto") ?? "").slice(0, 127);
  if (userId > 0) {
    await prisma.user.update({ where: { id: userId }, data: { motto } });
    await rcon.setMotto(userId, motto);
  }
  revalidatePath(`/admin/users/${userId}`);
}

export async function setRank(formData: FormData): Promise<void> {
  const staff = await requireStaffRateLimited();
  const userId = Number(formData.get("userId"));
  const rank = Number(formData.get("rank"));
  if (userId > 0 && rank > 0) {
    await prisma.user.update({ where: { id: userId }, data: { rank } });
    await rcon.setRank(userId, rank);
    await logStaffActivity({
      staffId: staff.id,
      action: "rank_change",
      description: `Set rank of user #${userId} to ${rank}`,
      targetType: "user",
      targetId: userId,
    });
  }
  revalidatePath(`/admin/users/${userId}`);
}

export async function alertUser(formData: FormData): Promise<void> {
  await requireStaff();
  const userId = Number(formData.get("userId"));
  const message = String(formData.get("message") ?? "").trim();
  if (userId > 0 && message) await rcon.alertUser(userId, message);
}

export async function disconnectUser(formData: FormData): Promise<void> {
  await requireStaff();
  const userId = Number(formData.get("userId"));
  const username = String(formData.get("username") ?? "");
  if (userId > 0) await rcon.disconnectUser(userId, username);
}