using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DTS.DASLib.Service.StateMachine
{
    public class DownloadStart : DASStateSelector
    {
        private void Start()
        {
            OnEnterState();
            Status.DownloadStatusInfo.Download();
        }

        private bool CanTransitToPrepare()
        {
            return Status.DownloadParams.ProceedWhenDone && (Status.DownloadStatusInfo.AllDASFinished || !Status.DownloadParams.RequireAllDASFinish);
        }

        public override IDASState StateSelector()
        {
            if (CanTransitToPrepare())
            {
                return States.Instance.Prepare;
            }
            return States.Instance.Download;
        }

        public override Action OnEntry
        {
            get => Start;
        }

        public override State State => State.DownloadStart;

    }
}