using Aurora.Api;
using Aurora.Framework.Seq;
using Aurora.View;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ILSOS_PrismaticGun.Sequences
{
    public class SequenceObject
    {
        private readonly ISequence _sequence;
        private Queue<ISequence> _chaineSequence;
        private ISequence _currentSequence;
        public SequenceObject(ISequence sequence)
        {
            _sequence = sequence;
            _sequence.RunStateChanged += StateChange;
        }

        private void StateChange(object sender, (string sequenceId, SequenceRunState state) e)
        {
            switch(e.state) {
                case SequenceRunState.StopHandling:
                case SequenceRunState.Finish:
                    MessageUtil.ShowSuccessToast($"{e.sequenceId} Completed");

                    // 다음 시퀀스가 있다면 실행
                    if (_chaineSequence.Count > 0) {
                        _currentSequence = _chaineSequence.Dequeue();
                        _currentSequence.RunStateChanged += StateChange;

                        // 다음 시퀀스 실행 전 RunState 확인
                        if (_currentSequence.RunState != SequenceRunState.Running) {
                            _sequence.RunStateChanged -= StateChange;
                            _sequence.RunStateChanged += StateChange;
                            _currentSequence.Start();
                        }
                    }
                    break;
            }

        }

        public bool Run()
        {
            if (_sequence == null || _sequence.RunState == SequenceRunState.Running)
                return false;

            _currentSequence = _sequence;
            _currentSequence.Start();
            return true;
        }

        public bool RegistChaine(ISequence chaineSeq)
        {
            _chaineSequence.Enqueue(chaineSeq);
            return true;
        }
    }
}