package auth

import (
	"context"
	"errors"
	"fmt"
	"local/dndex/storage"
	"local/dndex/storage/entity"
	"net/http"
)

func Register(g storage.RateLimitedGraph, r *http.Request) error {
	namespaceRequested := readRequestedNamespace(r)
	if namespaceRequested == "" {
		return errors.New("namespace not found")
	}
	keyRequested := readRequestedKey(r)
	_, err := getKeyForNamespace(r.Context(), g, namespaceRequested)
	if err == nil {
		return errors.New("namespace already exists")
	}
	return makeNamespace(r.Context(), g, namespaceRequested, keyRequested)
}

func readRequestedKey(r *http.Request) string {
	return readRequested(r, AuthKey)
}

func toAuthNamespace(namespace string) string {
	return fmt.Sprintf("%s.%s", namespace, AuthKey)
}

func makeNamespace(ctx context.Context, g storage.RateLimitedGraph, namespace, key string) error {
	one := entity.One{
		ID:    UserKey,
		Title: key,
	}
	return g.Insert(ctx, toAuthNamespace(namespace), one)
}