using DG.Tweening;
using UnityEngine;

namespace AibisDream
{
    public class CoolingMachineViewer : MonoBehaviour, ICoolingMachine
    {
        [Header("引用")] public GameObject bottleSlot;
        public CoolingBottle bottle;
        public LockSlider lockSlider;
        public Transform pumpHead;

        private SpriteButton _button;

        [Header("参数")] public float pumpDuration = 3f;
        public float resetDuration = 0.5f;
        public float pumpHeadUpY;
        public float pumpHeadDownY;

        #region 状态

        [Header("状态")] public bool isMachineEmpty;
        public bool isLocked;
        public bool inLiquidChange;

        #endregion

        #region 对外暴露

        public void LinkRobot()
        {
            // TODO 这里是应该ta来控制吗？存疑
            isMachineEmpty = true;
        }

        /// <summary>
        /// 泵出冷却液
        /// </summary>
        public void PumpCooling()
        {
            inLiquidChange = true;
            // 液面上升
            bottle.LiquidUp(pumpDuration);
            // 泵头下降
            var sq = GenePumpHeadAnime();
            sq.OnComplete(() =>
            {
                inLiquidChange = false;
                isMachineEmpty = false;
            });
        }

        public void UnlockBottle()
        {
            // 动画效果拉杆处理了
            // 触发锁定逻辑
            isMachineEmpty = false;
            isLocked = false;
            bottle?.Unlock();
            lockSlider.DisableHook();
        }

        public void MoveOutBottle()
        {
            if (bottle == null) return;
            // 瓶子置空
            bottle.transform.parent = null;
            // 停止吸附
            bottle?.Unsnap();
        }

        public void InsertBottle(CoolingBottle newBottle)
        {
            // 改变瓶子归属
            newBottle.transform.parent = bottleSlot.transform;
            bottle = newBottle;
            // 插入瓶子
            bottle.Snap(bottleSlot.transform.position);
        }

        public void LockBottle()
        {
            // 动画效果在拉杆的地方就处理了
            // 触发锁定逻辑
            isMachineEmpty = !bottle || bottle.isEmpty;
            isLocked = true;
            bottle?.Lock();
            // 如果当前没有瓶子，就打开卡扣碰撞
            if (!bottle) lockSlider.EnableHook();
        }

        public void InjectCool()
        {
            inLiquidChange = true;
            // 泵头下降
            var sq = GenePumpHeadAnime();
            sq.OnComplete(() =>
            {
                inLiquidChange = false;
                isMachineEmpty = true;
            });
            // 液面上升
            bottle.LiquidDown(pumpDuration);
        }

        public void UnlinkRobot()
        {
            throw new System.NotImplementedException();
        }

        public bool CanPump()
        {
            if (inLiquidChange)
            {
                Debug.Log("泵机正在工作");
                return false;
            }

            if (!isLocked)
            {
                Debug.Log("卡扣尚未锁定");
                return false;
            }

            if (!bottle)
            {
                Debug.Log("没有瓶子");
                return false;
            }

            return true;
        }

        #endregion

        private Sequence GenePumpHeadAnime()
        {
            var sequence = DOTween.Sequence();
            // 下降动画
            var pumpDownPos = new Vector3(pumpHead.position.x, pumpHeadDownY + transform.position.y,
                pumpHead.position.z);
            sequence.Append(pumpHead.DOMove(pumpDownPos, pumpDuration));
            // 上升动画
            var pumpUpPos = new Vector3(pumpHead.position.x, pumpHeadUpY + transform.position.y, pumpHead.position.z);
            sequence.Append(pumpHead.DOMove(pumpUpPos, resetDuration));

            return sequence;
        }
    }

    /// <summary>
    /// 冷却系统有什么样的行为？
    /// </summary>
    public interface ICoolingMachine
    {
        void LinkRobot();
        void PumpCooling();
        void UnlockBottle();
        void MoveOutBottle();
        void InsertBottle(CoolingBottle bottle);
        void LockBottle();
        void InjectCool();
        void UnlinkRobot();
    }
}