using System;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading.Tasks;
using System.Windows.Input;
using JD.Interfaces.Remoting;
using JD.Remoting.Services;
using Plume.Icons;
using Plume.Interfaces.WPF.Actions;
using Plume.Interfaces.WPF.Dialogs;
using Action = Plume.Interfaces.WPF.Actions.Action;

namespace JD.Remoting.WPF.Actions
{
    public class ConnectToAction : Action
    {
        public ConnectToAction()
        :base("Connect To...", "Connect the application to a specific endpoint", StandardIcon.Wifi)
        {
            
        }

        /// <inheritdoc />
        public override void TryExecute()
        {
            var dialogService = Context.DialogManager;
            var pluginService = Context.ServiceManager.GetPluginService();
            var notificationService = Context.NotificationManager;
            var result = dialogService.ShowInputBox("Endpoint", "Please select an endpoint (ip:port, e.g. 168.0.1.24:801)", out var endPointString);
            if (result.StandardButton == StandardButton.Ok)
            {
                try
                {
                    if (!Regex.IsMatch(endPointString, @"\b(\d{1,3}\.){3}\d{1,3}\:\d{1,8}\b", RegexOptions.IgnoreCase))
                    {
                        throw new ArgumentException("Please provide an endpoint in the valid format ip:port, e.g. 168.0.1.24:801");
                    }
                    var elements = endPointString.Split(':');
                    var endPoint = new EndPointId(elements[0], int.Parse(elements[1]));
                    pluginService.Start(endPoint);

                    Task.Delay(500).ContinueWith(task =>
                    {
                        foreach (IPlugin plugin in pluginService)
                        {
                            if (!plugin.IsConnected)
                            {
                                notificationService.ShowError($"Unable to connect the plugin ({plugin.Name}) to the engine; target: {pluginService.EndPointId}");
                            }
                        }
                    });
                }
                catch (Exception exception)
                {
                    Context.Application.Logger.Error($"Unable to connect to {endPointString}. {exception}", exception);
                    notificationService.ShowError($"Unable to connect to {endPointString}. Details: {exception.Message}");
                }
            }
        }

        /// <inheritdoc />
        public override bool CanExecute()
        {
            IPluginService pluginService = Context.ServiceManager.GetPluginService();
            return pluginService.Any() && !pluginService.All(p => p.IsConnected);
        }
    }
}