import type { MetadataRoute } from "next";
import { prisma } from "@/lib/prisma";

export default async function sitemap(): Promise<MetadataRoute.Sitemap> {
	const appUrl = process.env.APP_URL ?? "http://localhost:3000";

	// Static pages
	const staticPages = [
		{
			url: appUrl,
			lastModified: new Date(),
			changeFrequency: "hourly" as const,
			priority: 1,
		},
		{
			url: `${appUrl}/news`,
			lastModified: new Date(),
			changeFrequency: "hourly" as const,
			priority: 0.9,
		},
		{
			url: `${appUrl}/community`,
			lastModified: new Date(),
			changeFrequency: "daily" as const,
			priority: 0.7,
		},
		{
			url: `${appUrl}/shop`,
			lastModified: new Date(),
			changeFrequency: "daily" as const,
			priority: 0.8,
		},
		{
			url: `${appUrl}/leaderboard`,
			lastModified: new Date(),
			changeFrequency: "daily" as const,
			priority: 0.6,
		},
		{
			url: `${appUrl}/rankings`,
			lastModified: new Date(),
			changeFrequency: "daily" as const,
			priority: 0.6,
		},
		{
			url: `${appUrl}/staff`,
			lastModified: new Date(),
			changeFrequency: "weekly" as const,
			priority: 0.5,
		},
		{
			url: `${appUrl}/help`,
			lastModified: new Date(),
			changeFrequency: "weekly" as const,
			priority: 0.5,
		},
		{
			url: `${appUrl}/badges`,
			lastModified: new Date(),
			changeFrequency: "weekly" as const,
			priority: 0.4,
		},
		{
			url: `${appUrl}/radio`,
			lastModified: new Date(),
			changeFrequency: "daily" as const,
			priority: 0.7,
		},
	];

	// News articles
	let articles: { slug: string; updatedAt: Date | null }[] = [];
	try {
		articles = await prisma.websiteArticles.findMany({
			select: { slug: true, updatedAt: true },
			orderBy: { createdAt: "desc" },
			take: 200,
		});
	} catch {
		/* empty */
	}

	const articlePages = articles.map((a) => ({
		url: `${appUrl}/news/${a.slug}`,
		lastModified: a.updatedAt ?? new Date(),
		changeFrequency: "monthly" as const,
		priority: 0.6,
	}));

	// Guilds
	let guildIds: number[] = [];
	try {
		const rows = await prisma.guilds.findMany({
			select: { id: true },
			take: 200,
		});
		guildIds = rows.map((r) => Number(r.id));
	} catch {
		/* empty */
	}

	const guildPages = guildIds.map((id) => ({
		url: `${appUrl}/guilds/${id}`,
		lastModified: new Date(),
		changeFrequency: "daily" as const,
		priority: 0.5,
	}));

	return [...staticPages, ...articlePages, ...guildPages];
}