import { db } from '$lib/server/db';
import { blogArticles } from '$lib/server/db/schema';
import { isAdmin, requireAdmin } from '$lib/server/auth';
import { updateArticleSchema } from '$lib/validation/blog';
import { eq } from 'drizzle-orm';
import { error, fail, redirect } from '@sveltejs/kit';

import type { PageServerLoad } from './$types.js';

export const load: PageServerLoad = async (event) => {
	if (!isAdmin(event)) {
		return redirect(303, `/blog/${event.params.slug}`);
	}

	const [article] = await db
		.select()
		.from(blogArticles)
		.where(eq(blogArticles.slug, event.params.slug));

	if (!article) {
		return error(404, { message: 'Article not found' });
	}

	return {
		blogArticle: article
	};
};

export const actions = {
	save: async (event) => {
		requireAdmin(event);

		const formData = await event.request.formData();
		const parsed = updateArticleSchema.safeParse({
			title: formData.get('title')?.toString(),
			content: formData.get('content')?.toString()
		});

		if (!parsed.success) {
			return fail(400, { message: 'Title and content are required' });
		}

		const [updated] = await db
			.update(blogArticles)
			.set({
				title: parsed.data.title,
				content: parsed.data.content,
				updatedAt: new Date()
			})
			.where(eq(blogArticles.slug, event.params.slug))
			.returning();

		if (!updated) {
			return error(404, { message: 'Article not found' });
		}

		return { saved: true };
	},

	publish: async (event) => {
		requireAdmin(event);

		const formData = await event.request.formData();
		const parsed = updateArticleSchema.safeParse({
			title: formData.get('title')?.toString(),
			content: formData.get('content')?.toString()
		});

		if (!parsed.success) {
			return fail(400, { message: 'Title and content are required' });
		}

		const [updated] = await db
			.update(blogArticles)
			.set({
				title: parsed.data.title,
				content: parsed.data.content,
				status: 'published',
				updatedAt: new Date()
			})
			.where(eq(blogArticles.slug, event.params.slug))
			.returning();

		if (!updated) {
			return error(404, { message: 'Article not found' });
		}

		return redirect(303, `/blog/${updated.slug}`);
	}
};