package server

import (
	"fmt"
	"net/http"
	"strings"

	"github.com/sirupsen/logrus"
	"gitlab.com/mstarongitlab/linstrom/server/middlewares"
	"gitlab.com/mstarongitlab/linstrom/storage"
)

// Mount under /.well-known/webfinger
func webfingerHandler(w http.ResponseWriter, r *http.Request) {
	logEntry, ok := r.Context().Value(middlewares.CONTEXT_KEY_LOGRUS).(*logrus.Entry)
	if !ok {
		http.Error(w, "couldn't get logging entry from context", http.StatusInternalServerError)
		return
	}
	store := storage.Storage{}

	requestedResource := r.FormValue("resource")
	if requestedResource == "" {
		http.Error(w, "bad request. Include \"resource\" parameter", http.StatusBadRequest)
		logEntry.Infoln("No resource parameter. Cancelling")
		return
	}
	accName := strings.TrimPrefix(requestedResource, "acc:")
	acc, err := store.FindLocalAccount(accName)
	if err != nil {
		http.Error(w, err.Error(), http.StatusInternalServerError)
		logEntry.WithError(err).Warningln("couldn't find account")
		return
	}
	fmt.Fprint(w, acc)
}