package whoisthis

import (
	"context"
	"net/http"
)

type CtxKey string

const ContextUserId CtxKey = "userid"

func (wis WhoIsThis) Authed(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		// Our middleware logic goes here...

		user, err := wis.LookupReqFn(r)
		if err != nil {
			http.Error(w, "please sign-in", http.StatusUnauthorized)
			return
		}
		ctxWithUser := context.WithValue(r.Context(), ContextUserId, user)
		rWithUser := r.WithContext(ctxWithUser)
		next.ServeHTTP(w, rWithUser)
	})
}