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 DeleteSegmentsGroupCommand : IUndoRedoCommand
    {
        private JobModel _jobModel;
        private SegmentsGroupModel _segmentsGroup;
        private int _index;

        public DeleteSegmentsGroupCommand(JobModel job, SegmentsGroupModel segmentsGroup)
        {
            _jobModel = job;
            _segmentsGroup = segmentsGroup;
            _index = _jobModel.GroupingSegments.IndexOf(_segmentsGroup);
        }

        public void Execute()
        {
            _jobModel.SegmentsGroups.Remove(_segmentsGroup);
            foreach (var obj in _segmentsGroup.Segments)
            {
                _jobModel.Segments.Remove(obj);
            }
            _jobModel.GroupingSegments.Remove(_segmentsGroup);
            _jobModel.ArrangeSegmentsIndixes();
        }

        public void UnExecute()
        {
            if (_jobModel.GroupingSegments.Count <= _index)
                _jobModel.GroupingSegments.Add(_segmentsGroup);
            else
            {
                _jobModel.GroupingSegments.Insert(_index, _segmentsGroup);
            }
            _jobModel.SegmentsGroups.Add(_segmentsGroup);
            foreach (var obj in _segmentsGroup.Segments)
            {
                _jobModel.Segments.Add(obj);
            }
            _jobModel.ArrangeSegmentsIndixes();
        }
    }
}