using System;
using System.Reflection;
using Xylem.Common.CommonCore.Configuration;

namespace Xylem.Common.Logic.SoftwareAccessHelper
{
    /// <summary>
    /// Access right and permission handling for software assemblies. The production data base contains the assembly names and
    /// validation dates. This avoids usage of not permitted software. New software releases can invalid older versions.
    /// </summary>
    public static class Access
    {
        /// <summary>
        /// Check this assembly access rights/permissions.
        /// </summary>
        /// <returns></returns>
        public static Boolean HasAccess()
        {
            return HasAccess(Assembly.GetExecutingAssembly().GetName());
        }
        /// <summary>
        /// Check the assembly name and version.
        /// </summary>
        /// <param name="assemblyName"></param>
        /// <returns></returns>
        public static Boolean HasAccess(AssemblyName assemblyName)
        {
            return HasAccess(assemblyName.Name, assemblyName.Version.Major, assemblyName.Version.Minor,
                assemblyName.Version.Build);
        }
        /// <summary>
        /// check the program name and version.
        /// </summary>
        /// <param name="program"></param>
        /// <param name="major"></param>
        /// <param name="minor"></param>
        /// <param name="build"></param>
        /// <returns></returns>
        private static Boolean HasAccess(String program, Int32 major, Int32 minor, Int32 build)
        {
            if (System.Diagnostics.Debugger.IsAttached)
            {
                return true;
            }

            var url = $"{ServiceUrls.GetSoftwareStartUpAccessUrl()}?Program={program}&Major={major}&Minor={minor}&Build={build}";
            var requestResponse = LocalWebRequest.GetRequest(url, 8000);

            var ret = bool.Parse(requestResponse.Trim('"'));
            return ret;
        }


    }

    public static class Updater
    {
        public static void CheckAndUpdate()
        {
            //todo implement

            //
        }

    }
}