import { NextResponse, NextRequest } from 'next/server';
import { cookies } from 'next/headers'
import { decrypt } from '@/app/actions/session';
import createIntlMiddleware from 'next-intl/middleware'
import { routing } from '@/i18n/routing'

const protectedRoutes = ['/pages'];
const publicRoutes = ['/login', '/register', '/'];
const intlMiddleware = createIntlMiddleware(routing);

export default async function proxy(request: NextRequest) {
	const path = request.nextUrl.pathname;

	if (
		path.startsWith('/_next') ||
		path.includes('/api/') ||
		path.includes('.')
	) {
		return NextResponse.next()
	}

	const intlResponse = intlMiddleware(request);

	if (intlResponse) {
		const localizedPath = intlResponse.headers.get('x-middleware-request') ||
			intlResponse.headers.get('x-middleware-next') ||
			path

		const isProtectedRoute = protectedRoutes.some(route =>
			localizedPath.includes(route) ||
			path.includes(route)
		)

		const isPublicRoute = publicRoutes.some(route =>
			localizedPath === `/${request.nextUrl.locale}${route}` ||
			localizedPath === route
		)


		const cookie = (await cookies()).get('session_nc_db')?.value;
		const session = await decrypt(cookie);

		if (isProtectedRoute && !session?.token) {
			const loginUrl = new URL('/login', request.nextUrl)
			loginUrl.searchParams.set('locale', request.nextUrl.locale || 'ru')
			return NextResponse.redirect(loginUrl)
		}

		if (path === '/en' || path === '/ru' || localizedPath === `/${request.nextUrl.locale}`) {
			const dashboardUrl = new URL('/pages/dashboard', request.nextUrl)
			dashboardUrl.searchParams.set('locale', request.nextUrl.locale || 'ru')
			return NextResponse.redirect(dashboardUrl)
		}

		return intlResponse
	}

	return NextResponse.next();
}

export const config = {
	matcher: ['/((?!api|_next/static|_next/image|.*\\.png$).*)']
};