import { json, error } from '@sveltejs/kit';
import type { RequestHandler } from './$types.js';
import { prisma } from '$lib/server/db.js';
import { boardSchema } from '$lib/server/validation.js';

// List boards for current tenant
export const GET: RequestHandler = async ({ locals }) => {
	const tenant = locals.tenant;
	if (!tenant) throw error(400, 'Unknown tenant');

	const where: Record<string, unknown> = { tenantId: tenant.id, archived: false };

	// If not logged in, only show public boards
	if (!locals.user) {
		where.visibility = 'PUBLIC';
	} else {
		// Show boards user is a member of + public boards
		where.OR = [
			{ visibility: 'PUBLIC' },
			{ members: { some: { userId: locals.user.id } } }
		];
		delete where.visibility;
	}

	const boards = await prisma.board.findMany({
		where,
		include: {
			members: {
				include: { user: { select: { id: true, name: true, avatarUrl: true } } }
			},
			_count: { select: { columns: true } }
		},
		orderBy: { updatedAt: 'desc' }
	});

	return json({ boards });
};

// Create a new board
export const POST: RequestHandler = async ({ request, locals }) => {
	const tenant = locals.tenant;
	if (!tenant) throw error(400, 'Unknown tenant');
	if (!locals.user) throw error(401, 'Not authenticated');

	const body = await request.json();
	const result = boardSchema.safeParse(body);
	if (!result.success) {
		return json({ error: result.error.issues[0].message }, { status: 400 });
	}

	const { title, description, visibility } = result.data;

	const board = await prisma.board.create({
		data: {
			tenantId: tenant.id,
			title,
			description,
			visibility,
			members: {
				create: {
					userId: locals.user.id,
					role: 'OWNER'
				}
			}
		},
		include: {
			members: {
				include: { user: { select: { id: true, name: true, avatarUrl: true } } }
			}
		}
	});

	return json({ board }, { status: 201 });
};