/***************************************
 *
 * Based on
 * https://medium.com/@tanzimhossain2/implementing-multiple-middleware-in-next-js-combining-nextauth-and-internationalization-28d5435d3187
 *
 **************************************/
import {NextMiddlewareResult} from 'next/dist/server/web/types'
import {NextResponse} from 'next/server'
import type {NextFetchEvent, NextRequest} from 'next/server'

export type CustomMiddleware = (
	request: NextRequest,
	event: NextFetchEvent,
	response: NextResponse
) => NextMiddlewareResult | Promise<NextMiddlewareResult>

type MiddlewareFactory = (middleware: CustomMiddleware) => CustomMiddleware
export function chain(
	functions: MiddlewareFactory[],
	index = 0
): CustomMiddleware {
	const current = functions[index]

	if (current) {
		const next = chain(functions, index + 1)
		return current(next)
	}

	return (
		request: NextRequest,
		event: NextFetchEvent,
		response: NextResponse
	) => {
		return response
	}
}