"use server";

import { revalidatePath } from "next/cache";
import { redirect } from "next/navigation";
import { requirePermission } from "@/lib/admin/guard";
import { PERMS } from "@/lib/permissions";
import { formPositiveBigInt } from "@/lib/form-data";
import { prisma } from "@/lib/prisma";
import { logStaffActivity } from "@/lib/services/staff-activity";

// CRUD for website advertisements (website_ads). Emulator does not own this
// table; it only stores an image URL rendered in the site layout/widgets.

export async function createAd(formData: FormData): Promise<void> {
	const staff = await requirePermission(PERMS.PAGES_EDIT);
	const image = String(formData.get("image") ?? "")
		.normalize("NFC")
		.trim()
		.slice(0, 255);
	if (!image) return;

	const now = new Date();
	try {
		const ad = await prisma.websiteAds.create({
			data: { image, createdAt: now, updatedAt: now },
		});
		await logStaffActivity({
			staffId: staff.id,
			action: "ad_create",
			description: `Created advertisement #${ad.id} (${image})`,
			targetType: "website_ad",
			targetId: Number(ad.id),
		});
	} catch {
		// DB error — page re-renders unchanged.
		revalidatePath("/admin/ads");
		return;
	}
	redirect("/admin/ads");
}

export async function updateAd(formData: FormData): Promise<void> {
	const staff = await requirePermission(PERMS.PAGES_EDIT);
	const raw = String(formData.get("id") ?? "").normalize("NFC");
	if (!/^\d+$/.test(raw)) return;
	const id = BigInt(raw);
	const image = String(formData.get("image") ?? "")
		.normalize("NFC")
		.trim()
		.slice(0, 255);
	if (!image) return;

	try {
		await prisma.websiteAds.update({
			where: { id },
			data: { image, updatedAt: new Date() },
		});
		await logStaffActivity({
			staffId: staff.id,
			action: "ad_update",
			description: `Updated advertisement #${id} (${image})`,
			targetType: "website_ad",
			targetId: Number(id),
		});
	} catch {
		// Not found or DB error — ignore.
		revalidatePath(`/admin/ads/${id}`);
		return;
	}
	redirect("/admin/ads");
}

export async function deleteAd(formData: FormData): Promise<void> {
	const staff = await requirePermission(PERMS.PAGES_EDIT);
	const id = formPositiveBigInt(formData, "id");
	if (!id) return;

	try {
		await prisma.websiteAds.delete({ where: { id } });
		await logStaffActivity({
			staffId: staff.id,
			action: "ad_delete",
			description: `Deleted advertisement #${id}`,
			targetType: "website_ad",
			targetId: Number(id),
		});
	} catch {
		// Not found or DB error — ignore.
	}
	redirect("/admin/ads");
}