using AibisDream.Framework;
using UnityEngine;

namespace AibisDream
{
    public class LockSlider : MonoBehaviour, IMoveable
    {
        private Transform _drawBar;
        private Transform _hook;
        private CoolingMachineViewer _coolingMachine;
        private bool _isLocked;

        private float Value
        {
            set
            {
                var sliderY = value * (offPos.position.y - onPos.position.y) + onPos.position.y;
                transform.position = new Vector3(_drawBar.position.x, sliderY, _drawBar.position.z);
                var hookY = value * (lockOffPos.position.y - lockOnPos.position.y) + lockOnPos.position.y;
                _hook.position = new Vector3(_hook.position.x, hookY, _hook.position.z);
            }
        }

        public Transform onPos;
        public Transform offPos;

        public Transform lockOnPos;
        public Transform lockOffPos;

        public bool IsBlock => _coolingMachine.inLiquidChange;

        private void Awake()
        {
            _coolingMachine = GetComponentInParent<CoolingMachineViewer>();
            _drawBar = transform;
            _hook = transform.parent.Find("活动卡扣");
            _isLocked = true;
        }

        public void StartMove()
        {
        }

        public void Move(Vector2 mousePos)
        {
            var curY = Mathf.Clamp(mousePos.y, onPos.position.y, offPos.position.y);

            Value = (curY - onPos.position.y) / (offPos.position.y - onPos.position.y);
        }

        public void StopMove()
        {
            var curValue = (_drawBar.position.y - onPos.position.y) / (offPos.position.y - onPos.position.y);
            // 大于0.8或者小于0.2则切换状态，否则弹回去
            _isLocked = curValue switch
            {
                // 移动停止时尝试吸附
                >= 0.8f => false,
                <= 0.2f => true,
                _ => _isLocked
            };

            Value = _isLocked ? 0 : 1;
            // 判定开闭锁
            if (_isLocked)
            {
                _coolingMachine.LockBottle();
            }
            else
            {
                _coolingMachine.UnlockBottle();
            }
        }

        /// <summary>
        /// 打开卡扣碰撞
        /// </summary>
        public void EnableHook()
        {
            _hook.GetComponent<Collider2D>().enabled = true;
        }

        /// <summary>
        /// 关闭卡扣碰撞
        /// </summary>
        public void DisableHook()
        {
            _hook.GetComponent<Collider2D>().enabled = false;
        }
    }
}