using System;
using Vinno.IUS.Common.Log;
using Vinno.IUS.Common.Network.Leaf;
using Vinno.IUS.Common.Network.Tcp;
using Vinno.vCloud.Protocol.Infrastructures;
using Vinno.vCloud.Protocol.Messages.Login;

namespace Vinno.vCloud.Common.FIS.Test
{
    public class vCloudTerminalTester
    {
        /// <summary>
        /// Test the connection by given parameters.
        /// </summary>
        /// <param name="host">The host of the server.</param>
        /// <param name="port">The port of the server.</param>
        /// <param name="account">The account of the terminal.</param>
        /// <param name="password">The password of the terminal.</param>
        /// <returns></returns>
        public static DeviceTestResult Test(string host, int port, string account, string password)
        {
            ClientLeaf leaf = null;
            try
            {
                var url = $"{host}:{port}";
                leaf = new ClientLeaf(new LeafIdContext(), LeafMode.Dual, new TcpCreator(url));
                if (!leaf.Online)
                {
                    leaf.Close();
                    leaf = null;
                    return DeviceTestResult.CanNotConnect;
                }
                var request = new AuthenticateAccountRequest
                {
                    Name = account,
                    Password = password,
                    Type = LoginType.Terminal
                };
                var result = leaf.Send(request, 5000);
                var authenticateAccountResult = AuthenticateAccountResult.Convert(result);
                if (authenticateAccountResult != null)
                {
                    switch (authenticateAccountResult.Status)
                    {
                        case AuthenticateStatus.Success:
                            return DeviceTestResult.Success;

                        case AuthenticateStatus.WrongAccount:
                        case AuthenticateStatus.WrongPassword:
                            return DeviceTestResult.ErrorAccountOrPassword;
                    }
                }
            }
            catch (Exception ex)
            {
                Logger.WriteLineError($"Terminal connection test error:{ex}");
            }
            finally
            {
                leaf?.Close();
            }
            return DeviceTestResult.CanNotConnect;
        }
    }
}