using System.IO;
using System.Linq;
using JD.Reflection.Attributes;
using JD.TeaBoxAddinSystem.Bootstrap;
using JD.Timeline.Document;
using JD.Timeline.Model;
using JD.Timeline.Plugin;
using JD.Timeline.View.Actions.Refactor;
using TeaBox;
using TeaBox.Actions;
using TeaBox.Bootstrap;

namespace JD.Timeline.View.Actions
{
    [Export(typeof(IBootstrapCommand))]
    public class NewTapeHandler : IBootstrapCommand
    {
        public void Execute()
        {
            ((SimpleAction)TeaBox.ObjectModel.Application.Main.Actions[TeaBox.ApplicationActions.NewFile]).DefaultHandler = new Handler();
            ((SimpleAction)TeaBox.ObjectModel.Application.Main.Actions[TeaBox.ApplicationActions.NewFile]).Text = "New tape";
            ((SimpleAction)TeaBox.ObjectModel.Application.Main.Actions[TeaBox.ApplicationActions.NewFile]).Description = "Adds a tape to the current Tape Case";
        }

        private class Handler : ActionHandler
        {
            public override bool Update(ActionContext context, ActionInfo info)
            {
                return TimelinePlugin.Instance != null;
            }

            public override void Execute(ActionExecutionContext context)
            {
                TimelinePlugin.TapeLabelResponse response;
                if (TimelinePlugin.Instance.GetTapeCaseLabels().Join(out response))
                {
                    if (response.InvalidQuery)
                    {
                        MessageService.MessageService.ShowError("You can only add a tape to an existing TapeCaseComponent. Open a tape case in the engine (Right click->Edit Tapes) on an actor with a tape case component.", "Invalid Operation");
                        return;
                    }
                }
                else
                {
                    return;
                }

                string relativePath;
                if (TapeCreator.CreateTapeFile(out relativePath) != null)
                {
                    string labelName = Path.GetFileNameWithoutExtension(relativePath);
                    labelName = MessageService.MessageService.ShowInputBox("Enter label name", "Enter label name", labelName);

                    if (!string.IsNullOrEmpty(labelName))
                    {
                        // Add the new tape in a new group
                        uint group = response.Labels.Select(label => label.Group + 1).DefaultIfEmpty().Max();
                        TimelinePlugin.Instance.SendAddTapeLabel(new TapeLabel { Label = labelName, Path = relativePath, Group = group });

                        // Save the current tape case.
                        TimelinePlugin.Instance.SendSaveTape(string.Empty);

                        TimelinePlugin.Instance.SendGetTape(relativePath);
                        TimelinePlugin.Instance.Tapes.GetOrCreate(relativePath).OpenDocument();
                    }
                }
            }
        }
    }
}