using System;
using UnityEngine;
using UnityEngine.Playables;

namespace Thousandto.Launcher.ExternalLibs
{
    [Serializable]
    public class ScriptActivationBehaviour : PlayableBehaviour
    {

        //当前设置的是否激活
        private bool _isActived = false;
        //当前对象的骄傲本
        private MonoBehaviour _script;        
        //当前关联的对象
        private GameObject _go;
        //脚本名字
        private string _scriptName;

        private object[] _msgData = new object[4];


        //脚本名字
        public string ScriptName
        {
            set
            {
                if (_scriptName != value)
                {
                    _scriptName = value;
                    _script = null;
                    _go = null;
                }
            }
        }

        //发送消息
        public bool NeedSendMessage { get; set; }
        //消息ID
        public int IntParam { get; set; }
        //消息内容
        public string StrParam { get; set; }



        //设置当前脚本是否激活
        public void SetActive(GameObject go, bool value)
        {
            if (_script == null) InitScript(go);
            if (_isActived != value)
            {
                _isActived = value;
                if (_script != null)
                {
                    _script.enabled = _isActived;
                }
            }
        }

        //发送消息
        public void SendMessage(double duration, double current)
        {
            if (NeedSendMessage)
            {
                if (_script != null)
                {
                    _msgData[0] = IntParam;
                    _msgData[1] = StrParam;
                    _msgData[2] = current;
                    _msgData[3] = duration;                  
                    _script.SendMessage("OnTimelineProcessFrame", _msgData, SendMessageOptions.DontRequireReceiver);
                }
            }
        }

        //初始化脚本
        private void InitScript(GameObject go)
        {
            if (go != _go)
            {
                _go = go;
                _script = null;
            }

            if (_script == null && !string.IsNullOrEmpty(_scriptName) && _go != null)
            {
                var mbs = _go.GetComponents<MonoBehaviour>();
                for (int i = 0; i < mbs.Length; i++)
                {
                    if (mbs[i] != null && mbs[i].GetType().Name == _scriptName)
                    {
                        _script = mbs[i];
                        break;
                    }
                }
                if (_script != null)
                {
                    _script.enabled = _isActived;
                }
            }
        }

    }
}