package view

import (
	"encoding/json"
	"errors"
	"local/dndex/config"
	"local/dndex/storage"
	"net/http"
)

const (
	AuthKey = "DnDex-Auth"
)

func Auth(g storage.Graph, w http.ResponseWriter, r *http.Request) error {
	if !config.New().Auth {
		return nil
	}
	if err := auth(g, w, r); err != nil {
		json.NewEncoder(w).Encode(map[string]interface{}{"error": "error when authorizing: " + err.Error()})
		return err
	}
	return nil
}

func auth(g storage.Graph, w http.ResponseWriter, r *http.Request) error {
	if !hasAuth(r) {
		if err := requestAuth(g, w, r); err != nil {
			return err
		}
		return errors.New("auth requested")
	}
	return checkAuth(g, r)
}

func hasAuth(r *http.Request) bool {
	_, ok := r.Cookie(AuthKey)
	return ok == nil
}

func checkAuth(g storage.Graph, r *http.Request) error {
	panic(nil)
	/*
		token, _ := r.Cookie(AuthKey)
		return errors.New("not impl")
	*/
}

func requestAuth(g storage.Graph, w http.ResponseWriter, r *http.Request) error {
	return errors.New("not impl")
}