using Cowain.Bake.Common.Enums;
using Cowain.Bake.Model;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using Unity;

namespace Cowain.Bake.BLL
{
    public class RgvActionService : ServiceBase
    {
        private readonly List<TRgvAction> _actions;
        public RgvActionService(IUnityContainer unityContainer) : base(unityContainer)
        {
            using (var Context = new BakingEntities())
            {
                _actions = Context.Set<TRgvAction>().ToList();
            }        
        }
        public List<TRgvAction> GetAll()
        {
            return _actions;
        }

        public int GetNext(int cmd)
        {
            var action = _actions.Find(x => x.StepId == cmd);
            var next = _actions.Find(x => x.Id == action.Id + 1);
            if (null == next)
            {
                return 0;
            }
            return next.StepId;
        }

        public int GetPrevious(int cmd)
        {
            var action = _actions.Find(x => x.StepId == cmd);
            var next = _actions.Find(x => x.Id == action.Id - 1);
            if (null == next)
            {
                return (int)ETaskStep.MoveFrom;
            }
            return next.StepId;
        }

        public TRgvAction GetAction(int cmd)
        {
            var action = _actions.Find(x => x.StepId == cmd);
            if (null == action)
            {
                return _actions.Find(x => x.Id == 1);
            }
            return action;
        }
        
        public List<TRgvAction> GetPreviousActions(int cmd)
        {
            var firstAction = _actions.Find(x => x.StepId == (int)ETaskStep.Unexecuted);
            var cmdAction = _actions.Find(x => x.StepId == cmd);
            return _actions.Where(x => x.Id <= cmdAction.Id && x.Id >= firstAction.Id).OrderBy(x => x.Id).ToList(); //= cmdAction.Id
        }


        public List<TRgvAction> GetNextActions(int cmd)
        {
            return _actions.Where(x => x.StepId >= cmd).OrderBy(x=>x.Id).ToList();
        }
    }
}