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 UnGroupSegmentsCommand : IUndoRedoCommand
    {
        private JobModel _jobModel;
        private SegmentsGroupModel _segmentsGroupModel;
        private int _index;

        public UnGroupSegmentsCommand(JobModel jobModel, SegmentsGroupModel segmentsGroup)
        {
            _jobModel = jobModel;
            _segmentsGroupModel = segmentsGroup;
            _index = _jobModel.GroupingSegments.IndexOf(_segmentsGroupModel);
        }
        public void Execute()
        {
            int index = _index;
            foreach( var segment in _segmentsGroupModel.Segments)
            {
                segment.SegmentsGroupModel = null;
                 _jobModel.GroupingSegments.Insert(index++, segment);
            }
            _jobModel.SegmentsGroups.Remove(_segmentsGroupModel);
            _jobModel.GroupingSegments.Remove(_segmentsGroupModel);
            _jobModel.ArrangeSegmentsIndixes();
        }

        public void UnExecute()
        {
            _jobModel.SegmentsGroups.Add(_segmentsGroupModel);
            foreach (var segment in _segmentsGroupModel.Segments)
            {
                segment.SegmentsGroupModel = _segmentsGroupModel;
                _jobModel.GroupingSegments.Remove(segment);
            }

            if (_jobModel.GroupingSegments.Count <= _index)
                _jobModel.GroupingSegments.Add(_segmentsGroupModel);
            else
            {
                _jobModel.GroupingSegments.Insert(_index, _segmentsGroupModel);
            }
           
            _jobModel.ArrangeSegmentsIndixes();
        }
    }
}