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
{
    class DuplicateSegmentCommand : IUndoRedoCommand
    {
        private JobModel _jobModel;
        private SegmentModel _copySegment;
        private int _index;
        
        public DuplicateSegmentCommand(JobModel job, SegmentModel segment)
        {
            _jobModel = job;
            _copySegment = segment.Clone();
            _copySegment.SegmentIndex = segment.SegmentIndex + 1;
            _copySegment.RaiseSegmentBrushChanged();
            _index = _jobModel.GroupingSegments.IndexOf(segment);
        }

        public void Execute()
        {
            if (_index == _jobModel.GroupingSegments.Count -1)
                _jobModel.GroupingSegments.Add(_copySegment);
            else
            {
                _jobModel.GroupingSegments.Insert(_index, _copySegment);
            }
            _jobModel.Segments.Add(_copySegment);
            _jobModel.ArrangeSegmentsIndixes();
        }

        public void UnExecute()
        {
            _jobModel.Segments.Remove(_copySegment);
            _jobModel.GroupingSegments.Remove(_copySegment);
            _jobModel.ArrangeSegmentsIndixes();
        }
    }
}