package qbit

import (
	"context"
	"crypto/subtle"
	"github.com/go-chi/chi/v5"
	"net/http"
	"strings"
)

func (q *QBit) authMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		user, pass, ok := r.BasicAuth()
		if !ok {
			http.Error(w, "Unauthorized", http.StatusUnauthorized)
			return
		}
		if subtle.ConstantTimeCompare([]byte(user), []byte(q.Username)) != 1 || subtle.ConstantTimeCompare([]byte(pass), []byte(q.Password)) != 1 {
			http.Error(w, "Unauthorized", http.StatusUnauthorized)
			return
		}
		next.ServeHTTP(w, r)
	})
}

func HashesCtx(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		_hashes := chi.URLParam(r, "hashes")
		var hashes []string
		if _hashes != "" {
			hashes = strings.Split(_hashes, "|")
		}
		if hashes == nil {
			// Get hashes from form
			_ = r.ParseForm()
			hashes = r.Form["hashes"]
		}
		ctx := context.WithValue(r.Context(), "hashes", hashes)
		next.ServeHTTP(w, r.WithContext(ctx))
	})
}