import Link from "next/link";
import { notFound } from "next/navigation";
import { prisma } from "@/lib/prisma";
import { Calendar } from "lucide-react";

export const dynamic = "force-dynamic";

type Campaign = {
  id: number;
  name: string;
  image: string;
  startTimestamp: number;
  totalDays: number;
  lockExpired: string;
  enabled: string;
};

type Reward = {
  id: number;
  campaignId: number;
  productName: string;
  customImage: string;
  credits: number;
  pixels: number;
  points: number;
  pointsType: number;
  badge: string;
  itemId: number;
  subscriptionType: string | null;
  subscriptionDays: number;
};

function fmtDate(ts: number): string {
  if (!ts) return "—";
  return new Date(ts * 1000).toISOString().slice(0, 10);
}

export default async function AdminCalendarCampaign({
  params,
}: {
  params: Promise<{ id: string }>;
}) {
  const { id } = await params;
  const campaignId = Number(id);
  if (!Number.isInteger(campaignId)) notFound();

  let campaign: Campaign | null = null;
  try {
    campaign = await prisma.calendarCampaigns.findUnique({
      where: { id: campaignId },
      select: {
        id: true,
        name: true,
        image: true,
        startTimestamp: true,
        totalDays: true,
        lockExpired: true,
        enabled: true,
      },
    });
  } catch {
    campaign = null;
  }
  if (!campaign) notFound();

  let rewards: Reward[] = [];
  try {
    rewards = await prisma.calendarRewards.findMany({
      where: { campaignId },
      select: {
        id: true,
        campaignId: true,
        productName: true,
        customImage: true,
        credits: true,
        pixels: true,
        points: true,
        pointsType: true,
        badge: true,
        itemId: true,
        subscriptionType: true,
        subscriptionDays: true,
      },
      orderBy: { id: "asc" },
      take: 500,
    });
  } catch {
    rewards = [];
  }

  const disabled = campaign.enabled !== "1";

  return (
    <main>
      <p className="text-xs text-gray-500 dark:text-gray-400 mb-4">
        <Link href="/admin/calendar">← Calendar campaigns</Link>
      </p>

      <div className="admin-card flex items-center gap-5 mb-6">
        {campaign.image ? (
          // eslint-disable-next-line @next/next/no-img-element
          <img
            className="w-24 h-24 object-cover"
            src={campaign.image}
            alt={campaign.name}
          />
        ) : null}
        <div>
          <h1 className="m-0 mb-1">{campaign.name || `Campaign #${campaign.id}`}</h1>
          <p className="text-xs text-gray-500 dark:text-gray-400 m-0">
            #{campaign.id} · {campaign.totalDays} day{campaign.totalDays === 1 ? "" : "s"} · starts{" "}
            {fmtDate(campaign.startTimestamp)}
            {disabled ? " · Disabled" : " · Enabled"}
            {campaign.lockExpired === "1" ? " · Locks expired days" : ""}
          </p>
        </div>
      </div>

      <h2 className="admin-section-title">Rewards</h2>
      {rewards.length === 0 ? (
        <div className="admin-empty">No rewards configured for this campaign.</div>
      ) : (
        <table className="w-full">
          <thead>
            <tr className="text-left text-[var(--muted)]">
              <th>ID</th>
              <th>Product</th>
              <th>Item</th>
              <th>Credits</th>
              <th>Pixels</th>
              <th>Points</th>
              <th>Badge</th>
              <th>Subscription</th>
            </tr>
          </thead>
          <tbody>
            {rewards.map((r) => (
              <tr key={r.id} className="border-t border-[var(--border)]">
                <td>{r.id}</td>
                <td>{r.productName || <span className="text-sm text-gray-500 dark:text-gray-400">—</span>}</td>
                <td className="text-sm text-gray-500 dark:text-gray-400 whitespace-nowrap">{r.itemId > 0 ? r.itemId : "—"}</td>
                <td>{r.credits > 0 ? r.credits : <span className="text-sm text-gray-500 dark:text-gray-400">—</span>}</td>
                <td>{r.pixels > 0 ? r.pixels : <span className="text-sm text-gray-500 dark:text-gray-400">—</span>}</td>
                <td>
                  {r.points > 0 ? (
                    `${r.points} (type ${r.pointsType})`
                  ) : (
                    <span className="text-sm text-gray-500 dark:text-gray-400">—</span>
                  )}
                </td>
                <td className="text-sm text-gray-500 dark:text-gray-400 whitespace-nowrap">{r.badge || "—"}</td>
                <td className="text-sm text-gray-500 dark:text-gray-400 whitespace-nowrap">
                  {r.subscriptionType
                    ? `${r.subscriptionType} · ${r.subscriptionDays}d`
                    : "—"}
                </td>
              </tr>
            ))}
          </tbody>
        </table>
      )}

      <p className="text-xs text-gray-500 dark:text-gray-400 mt-4">
        {rewards.length} reward{rewards.length === 1 ? "" : "s"}
      </p>
    </main>
  );
}