using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq.Expressions;
using System.Reflection;
using UnityEngine;

namespace BehaviorDesigner.Runtime
{
	[AddComponentMenu("Behavior Designer/Variable Synchronizer")]
	public class VariableSynchronizer : MonoBehaviour
	{
		public enum SynchronizationType
		{
			BehaviorDesigner = 0,
			Property = 1,
			Animator = 2,
			PlayMaker = 3,
			uFrame = 4
		}

		public enum AnimatorParameterType
		{
			Bool = 0,
			Float = 1,
			Integer = 2
		}

		[Serializable]
		public class SynchronizedVariable
		{
			public SynchronizationType synchronizationType;

			public bool setVariable;

			public Behavior behavior;

			public string variableName;

			public bool global;

			public Component targetComponent;

			public string targetName;

			public bool targetGlobal;

			public SharedVariable targetSharedVariable;

			public Action<object> setDelegate;

			public Func<object> getDelegate;

			public Animator animator;

			public AnimatorParameterType animatorParameterType;

			public int targetID;

			public Action<SynchronizedVariable> thirdPartyTick;

			public Enum variableType;

			public object thirdPartyVariable;

			public SharedVariable sharedVariable;

			public SynchronizedVariable(SynchronizationType synchronizationType, bool setVariable, Behavior behavior, string variableName, bool global, Component targetComponent, string targetName, bool targetGlobal)
			{
				this.synchronizationType = synchronizationType;
				this.setVariable = setVariable;
				this.behavior = behavior;
				this.variableName = variableName;
				this.global = global;
				this.targetComponent = targetComponent;
				this.targetName = targetName;
				this.targetGlobal = targetGlobal;
			}
		}

		[SerializeField]
		private UpdateIntervalType updateInterval;

		[SerializeField]
		private float updateIntervalSeconds;

		private WaitForSeconds updateWait;

		[SerializeField]
		private List<SynchronizedVariable> synchronizedVariables = new List<SynchronizedVariable>();

		public UpdateIntervalType UpdateInterval
		{
			get
			{
				return updateInterval;
			}
			set
			{
				updateInterval = value;
				UpdateIntervalChanged();
			}
		}

		public float UpdateIntervalSeconds
		{
			get
			{
				return updateIntervalSeconds;
			}
			set
			{
				updateIntervalSeconds = value;
				UpdateIntervalChanged();
			}
		}

		public List<SynchronizedVariable> SynchronizedVariables
		{
			get
			{
				return synchronizedVariables;
			}
			set
			{
				synchronizedVariables = value;
				base.enabled = true;
			}
		}

		private void UpdateIntervalChanged()
		{
			StopCoroutine("CoroutineUpdate");
			if (updateInterval == UpdateIntervalType.EveryFrame)
			{
				base.enabled = true;
			}
			else if (updateInterval == UpdateIntervalType.SpecifySeconds)
			{
				if (Application.isPlaying)
				{
					updateWait = new WaitForSeconds(updateIntervalSeconds);
					StartCoroutine("CoroutineUpdate");
				}
				base.enabled = false;
			}
			else
			{
				base.enabled = false;
			}
		}

		public void Awake()
		{
			for (int num = synchronizedVariables.Count - 1; num > -1; num--)
			{
				SynchronizedVariable synchronizedVariable = synchronizedVariables[num];
				if (synchronizedVariable.global)
				{
					synchronizedVariable.sharedVariable = GlobalVariables.Instance.GetVariable(synchronizedVariable.variableName);
				}
				else
				{
					synchronizedVariable.sharedVariable = synchronizedVariable.behavior.GetVariable(synchronizedVariable.variableName);
				}
				string text = string.Empty;
				if (synchronizedVariable.sharedVariable == null)
				{
					text = "the SharedVariable can't be found";
				}
				else
				{
					switch (synchronizedVariable.synchronizationType)
					{
					case SynchronizationType.BehaviorDesigner:
					{
						Behavior behavior = synchronizedVariable.targetComponent as Behavior;
						if (behavior == null)
						{
							text = "the target component is not of type Behavior Tree";
							break;
						}
						if (synchronizedVariable.targetGlobal)
						{
							synchronizedVariable.targetSharedVariable = GlobalVariables.Instance.GetVariable(synchronizedVariable.targetName);
						}
						else
						{
							synchronizedVariable.targetSharedVariable = behavior.GetVariable(synchronizedVariable.targetName);
						}
						if (synchronizedVariable.targetSharedVariable == null)
						{
							text = "the target SharedVariable cannot be found";
						}
						break;
					}
					case SynchronizationType.Property:
					{
						PropertyInfo property = synchronizedVariable.targetComponent.GetType().GetProperty(synchronizedVariable.targetName);
						if (property == null)
						{
							text = "the property " + synchronizedVariable.targetName + " doesn't exist";
						}
						else if (synchronizedVariable.setVariable)
						{
							MethodInfo getMethod = property.GetGetMethod();
							if (getMethod == null)
							{
								text = "the property has no get method";
							}
							else
							{
								synchronizedVariable.getDelegate = CreateGetDelegate(synchronizedVariable.targetComponent, getMethod);
							}
						}
						else
						{
							MethodInfo setMethod = property.GetSetMethod();
							if (setMethod == null)
							{
								text = "the property has no set method";
							}
							else
							{
								synchronizedVariable.setDelegate = CreateSetDelegate(synchronizedVariable.targetComponent, setMethod);
							}
						}
						break;
					}
					case SynchronizationType.Animator:
					{
						synchronizedVariable.animator = synchronizedVariable.targetComponent as Animator;
						if (synchronizedVariable.animator == null)
						{
							text = "the component is not of type Animator";
							break;
						}
						synchronizedVariable.targetID = Animator.StringToHash(synchronizedVariable.targetName);
						Type propertyType = synchronizedVariable.sharedVariable.GetType().GetProperty("Value").PropertyType;
						if (propertyType.Equals(typeof(bool)))
						{
							synchronizedVariable.animatorParameterType = AnimatorParameterType.Bool;
						}
						else if (propertyType.Equals(typeof(float)))
						{
							synchronizedVariable.animatorParameterType = AnimatorParameterType.Float;
						}
						else if (propertyType.Equals(typeof(int)))
						{
							synchronizedVariable.animatorParameterType = AnimatorParameterType.Integer;
						}
						else
						{
							text = "there is no animator parameter type that can synchronize with " + propertyType;
						}
						break;
					}
					case SynchronizationType.PlayMaker:
					{
						Type typeWithinAssembly2 = TaskUtility.GetTypeWithinAssembly("BehaviorDesigner.Runtime.VariableSynchronizer_PlayMaker");
						if (typeWithinAssembly2 != null)
						{
							MethodInfo method3 = typeWithinAssembly2.GetMethod("Start");
							if (method3 == null)
							{
								break;
							}
							switch ((int)method3.Invoke(null, new object[1] { synchronizedVariable }))
							{
							case 1:
								text = "the PlayMaker NamedVariable cannot be found";
								break;
							case 2:
								text = "the Behavior Designer SharedVariable is not the same type as the PlayMaker NamedVariable";
								break;
							default:
							{
								MethodInfo method4 = typeWithinAssembly2.GetMethod("Tick");
								if (method4 != null)
								{
									synchronizedVariable.thirdPartyTick = (Action<SynchronizedVariable>)Delegate.CreateDelegate(typeof(Action<SynchronizedVariable>), method4);
								}
								break;
							}
							}
						}
						else
						{
							text = "has the PlayMaker classes been imported?";
						}
						break;
					}
					case SynchronizationType.uFrame:
					{
						Type typeWithinAssembly = TaskUtility.GetTypeWithinAssembly("BehaviorDesigner.Runtime.VariableSynchronizer_uFrame");
						if (typeWithinAssembly != null)
						{
							MethodInfo method = typeWithinAssembly.GetMethod("Start");
							if (method == null)
							{
								break;
							}
							switch ((int)method.Invoke(null, new object[1] { synchronizedVariable }))
							{
							case 1:
								text = "the uFrame property cannot be found";
								break;
							case 2:
								text = "the Behavior Designer SharedVariable is not the same type as the uFrame property";
								break;
							default:
							{
								MethodInfo method2 = typeWithinAssembly.GetMethod("Tick");
								if (method2 != null)
								{
									synchronizedVariable.thirdPartyTick = (Action<SynchronizedVariable>)Delegate.CreateDelegate(typeof(Action<SynchronizedVariable>), method2);
								}
								break;
							}
							}
						}
						else
						{
							text = "has the uFrame classes been imported?";
						}
						break;
					}
					}
				}
				if (!string.IsNullOrEmpty(text))
				{
					Debug.LogError(string.Format("Unable to synchronize {0}: {1}", synchronizedVariable.sharedVariable.Name, text));
					synchronizedVariables.RemoveAt(num);
				}
			}
			if (synchronizedVariables.Count == 0)
			{
				base.enabled = false;
			}
			else
			{
				UpdateIntervalChanged();
			}
		}

		public void Update()
		{
			Tick();
		}

		private IEnumerator CoroutineUpdate()
		{
			while (true)
			{
				Tick();
				yield return updateWait;
			}
		}

		public void Tick()
		{
			for (int i = 0; i < synchronizedVariables.Count; i++)
			{
				SynchronizedVariable synchronizedVariable = synchronizedVariables[i];
				switch (synchronizedVariable.synchronizationType)
				{
				case SynchronizationType.BehaviorDesigner:
					if (synchronizedVariable.setVariable)
					{
						synchronizedVariable.sharedVariable.SetValue(synchronizedVariable.targetSharedVariable.GetValue());
					}
					else
					{
						synchronizedVariable.targetSharedVariable.SetValue(synchronizedVariable.sharedVariable.GetValue());
					}
					break;
				case SynchronizationType.Property:
					if (synchronizedVariable.setVariable)
					{
						synchronizedVariable.sharedVariable.SetValue(synchronizedVariable.getDelegate());
					}
					else
					{
						synchronizedVariable.setDelegate(synchronizedVariable.sharedVariable.GetValue());
					}
					break;
				case SynchronizationType.Animator:
					if (synchronizedVariable.setVariable)
					{
						switch (synchronizedVariable.animatorParameterType)
						{
						case AnimatorParameterType.Bool:
							synchronizedVariable.sharedVariable.SetValue(synchronizedVariable.animator.GetBool(synchronizedVariable.targetID));
							break;
						case AnimatorParameterType.Float:
							synchronizedVariable.sharedVariable.SetValue(synchronizedVariable.animator.GetFloat(synchronizedVariable.targetID));
							break;
						case AnimatorParameterType.Integer:
							synchronizedVariable.sharedVariable.SetValue(synchronizedVariable.animator.GetInteger(synchronizedVariable.targetID));
							break;
						}
					}
					else
					{
						switch (synchronizedVariable.animatorParameterType)
						{
						case AnimatorParameterType.Bool:
							synchronizedVariable.animator.SetBool(synchronizedVariable.targetID, (bool)synchronizedVariable.sharedVariable.GetValue());
							break;
						case AnimatorParameterType.Float:
							synchronizedVariable.animator.SetFloat(synchronizedVariable.targetID, (float)synchronizedVariable.sharedVariable.GetValue());
							break;
						case AnimatorParameterType.Integer:
							synchronizedVariable.animator.SetInteger(synchronizedVariable.targetID, (int)synchronizedVariable.sharedVariable.GetValue());
							break;
						}
					}
					break;
				case SynchronizationType.PlayMaker:
				case SynchronizationType.uFrame:
					synchronizedVariable.thirdPartyTick(synchronizedVariable);
					break;
				}
			}
		}

		private static Func<object> CreateGetDelegate(object instance, MethodInfo method)
		{
			ConstantExpression instance2 = Expression.Constant(instance);
			MethodCallExpression expression = Expression.Call(instance2, method);
			return Expression.Lambda<Func<object>>(Expression.TypeAs(expression, typeof(object)), new ParameterExpression[0]).Compile();
		}

		private static Action<object> CreateSetDelegate(object instance, MethodInfo method)
		{
			ConstantExpression instance2 = Expression.Constant(instance);
			ParameterExpression parameterExpression = Expression.Parameter(typeof(object), "p");
			UnaryExpression unaryExpression = Expression.Convert(parameterExpression, method.GetParameters()[0].ParameterType);
			MethodCallExpression body = Expression.Call(instance2, method, unaryExpression);
			return Expression.Lambda<Action<object>>(body, new ParameterExpression[1] { parameterExpression }).Compile();
		}
	}
}