using System;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using UnityEngine.EventSystems;

namespace QFramework
{
    public class ObjClickLongCondition : ICondition
    {

        private static SimpleObjectPool<ObjClickLongCondition> mSimpleObjectPool =
            new SimpleObjectPool<ObjClickLongCondition>(() => new ObjClickLongCondition(), null, 10);

        private ObjClickLongCondition() { }
        public GameObject obj = null;
        string path;
        string deviceName;
        float time;
        float curTime;
        bool isDown = false;
        public static ObjClickLongCondition Allocate(string path, Dictionary<string, string> datas)
        {
            var conditionAction = mSimpleObjectPool.Allocate();
            conditionAction.ActionID = ActionKit.ID_GENERATOR++;
            conditionAction.Deinited = false;
            conditionAction.Reset();
            conditionAction.path = path;
            conditionAction.deviceName = datas.ContainsKey("deviceName") ? datas["deviceName"] : null;
            if (datas.ContainsKey("time"))
            {
                float.TryParse(datas["time"], out conditionAction.time);
            }
            return conditionAction;
        }
        public bool Check()
        {
            if (obj == null)
            {
                if (string.IsNullOrEmpty(deviceName))
                {
                    obj = Utility.FindObj(path);
                }
                else
                {
                    obj = DeviceController.Instance.GetDeviceObj(deviceName);
                    if (obj == null)
                    {
                        Debug.LogError($"没有找到 path:{path} deviceName:{deviceName}");
                    }
                }
            }

            // 检测鼠标左键按下
            if (Input.GetMouseButtonDown(0))
            {
                OnMouseDown();
            }

            // 检测鼠标左键松开
            if (Input.GetMouseButtonUp(0))
            {
                OnMouseUp();
            }

            if (isDown && EventSystem.current.IsPointerOverGameObject() == false)
            {
                Vector3 mousePos = Input.mousePosition;
                Ray ray = Camera.main.ScreenPointToRay(mousePos);
                RaycastHit hit;
                if (Physics.Raycast(ray, out hit))
                {
                    if (obj == hit.collider.gameObject)
                    {
                        curTime -= Time.deltaTime;
                        if (curTime <= 0)
                        {
                            return true;
                        }
                    }

                }
            }

            return false;
        }

        public void OnMouseDown()
        {
            curTime = this.time;
            isDown = true;
        }

        public void OnMouseUp()
        {
            isDown = false;
        }


        public bool Paused { get; set; }
        public bool Deinited { get; set; }
        public ulong ActionID { get; set; }
        public ActionStatus Status { get; set; }
        public void OnStart()
        {
        }

        public void OnExecute(float dt)
        {
            if (Check())
            {
                this.Finish();
            }
        }

        public void OnFinish()
        {
        }

        public void Deinit()
        {
            if (!Deinited)
            {
                Deinited = true;
                obj = null;
                path = null;
                mSimpleObjectPool.Recycle(this);
            }
        }

        public void Reset()
        {
            curTime = 0;
            Paused = false;
            Status = ActionStatus.NotStart;
        }
    }

    //public static class ObjClickLongConditionExtension
    //{
    //    public static ISequence ObjClickLongCondition(this ISequence self, string uipath)
    //    {
    //        return self.Append(QFramework.ObjClickLongCondition.Allocate(uipath));
    //    }
    //}
}