import { json, error } from '@sveltejs/kit';
import type { RequestHandler } from './$types.js';
import { withTenant } from '$lib/server/rls.js';
import { requireBoardEditor } from '$lib/server/guards.js';

export const PATCH: RequestHandler = async ({ params, request, locals }) => {
	const tenant = locals.tenant;
	if (!tenant) throw error(400, 'Unknown tenant');

	const body = await request.json();

	const field = await withTenant(tenant.id, async (tx) => {
		await requireBoardEditor(tx, locals.user, params.boardId, tenant.id);

		const existing = await tx.customFieldDef.findFirst({
			where: { id: params.fieldId, boardId: params.boardId }
		});
		if (!existing) throw error(404, 'Field not found');

		const data: Record<string, any> = {};
		if (body.name !== undefined) data.name = body.name;
		if (body.options !== undefined) data.options = body.options;
		if (body.position !== undefined) data.position = body.position;

		return tx.customFieldDef.update({
			where: { id: params.fieldId },
			data
		});
	});

	return json({ field });
};

export const DELETE: RequestHandler = async ({ params, locals }) => {
	const tenant = locals.tenant;
	if (!tenant) throw error(400, 'Unknown tenant');

	await withTenant(tenant.id, async (tx) => {
		await requireBoardEditor(tx, locals.user, params.boardId, tenant.id);

		const existing = await tx.customFieldDef.findFirst({
			where: { id: params.fieldId, boardId: params.boardId }
		});
		if (!existing) throw error(404, 'Field not found');

		await tx.customFieldDef.delete({ where: { id: params.fieldId } });
	});

	return json({ ok: true });
};