"use server";

import { revalidatePath } from "next/cache";
import { requireStaff } from "@/lib/admin/guard";
import { formPositiveBigInt } from "@/lib/form-data";
import { prisma } from "@/lib/prisma";

export async function createEmailTemplate(formData: FormData): Promise<void> {
	await requireStaff();
	const name = String(formData.get("name") ?? "")
		.normalize("NFC")
		.trim()
		.slice(0, 255);
	const subject = String(formData.get("subject") ?? "")
		.normalize("NFC")
		.trim()
		.slice(0, 255);
	const body = String(formData.get("body") ?? "").normalize("NFC");
	const variablesRaw = String(formData.get("variables") ?? "")
		.normalize("NFC")
		.trim();
	const isActive = formData.get("isActive") != null;
	if (!name || !subject || !body) return;

	await prisma.emailTemplates.create({
		data: {
			name,
			subject,
			body,
			variables: variablesRaw || null,
			isActive,
		},
	});
	revalidatePath("/admin/email-templates");
}

export async function updateEmailTemplate(formData: FormData): Promise<void> {
	await requireStaff();
	const raw = String(formData.get("id") ?? "").normalize("NFC");
	if (!raw) return;
	let id: bigint;
	try {
		id = BigInt(raw);
	} catch {
		return;
	}
	const subject = String(formData.get("subject") ?? "")
		.normalize("NFC")
		.trim()
		.slice(0, 255);
	const body = String(formData.get("body") ?? "").normalize("NFC");
	const variablesRaw = String(formData.get("variables") ?? "")
		.normalize("NFC")
		.trim();
	const isActive = formData.get("isActive") != null;
	if (!subject || !body) return;

	await prisma.emailTemplates.update({
		where: { id },
		data: {
			subject,
			body,
			variables: variablesRaw || null,
			isActive,
		},
	});
	revalidatePath("/admin/email-templates");
}

export async function deleteEmailTemplate(formData: FormData): Promise<void> {
	await requireStaff();
	const id = formPositiveBigInt(formData, "id");
	if (!id) return;
	await prisma.emailTemplates.delete({ where: { id } });
	revalidatePath("/admin/email-templates");
}