using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.PPC.Jobs.Models;

namespace Tango.PPC.Jobs.UndoRedoCommands
{
    public class RemoveSegmentCommand : IUndoRedoCommand
    {
        private JobModel _jobModel;
        private SegmentModel _removedSegment;
        private int _index;

        public RemoveSegmentCommand(JobModel job, SegmentModel segment)
        {
            _jobModel = job;
            _removedSegment = segment;
            _index = _jobModel.GroupingSegments.IndexOf(_removedSegment);
        }

        public void Execute()
        {
            _jobModel.Segments.Remove(_removedSegment);
            _jobModel.GroupingSegments.Remove(_removedSegment);
            _jobModel.ArrangeSegmentsIndixes();
        }

        public void UnExecute()
        {
            _jobModel.Segments.Add(_removedSegment);
            if (_jobModel.GroupingSegments.Count <= _index)
                _jobModel.GroupingSegments.Add(_removedSegment);
            else
            {
                _jobModel.GroupingSegments.Insert(_index, _removedSegment);
            }
            _jobModel.ArrangeSegmentsIndixes();
        }
    }
}