using UnityEngine;
using System.Collections;

public class AnimatorParameter : ScriptableObject
{
	[SerializeField]
	RuntimeAnimatorController animatorController;

	public AnimatorParameterInfo[] parameterInfos;

	[System.Serializable]
	public struct AnimatorParameterInfo
	{
		public ParameterType type;
		public int hashName;
		public string name;
		public enum ParameterType
		{
			NONE,
			BOOL,
			FLOAT,
			INT,
			TRIGGER
		}
	}
	#if UNITY_EDITOR
	[ContextMenu("Setup")]
	void Setup()
	{
		var controller = animatorController as UnityEditorInternal.AnimatorController;
		parameterInfos = new AnimatorParameterInfo[controller.parameterCount];


		UnityEditor.AssetDatabase.RenameAsset(UnityEditor.AssetDatabase.GetAssetPath(this), animatorController.name);
		name = animatorController.name;

		for (int i=0; i<controller.parameterCount; i++) {
			var param = controller.GetParameter (i);
			parameterInfos [i].hashName = Animator.StringToHash (param.name);
			parameterInfos[i].name = param.name;
			if (param.type == UnityEditorInternal.AnimatorControllerParameterType.Bool) {
				parameterInfos [i].type = AnimatorParameterInfo.ParameterType.BOOL;
			} else if (param.type == UnityEditorInternal.AnimatorControllerParameterType.Float) {
				parameterInfos [i].type = AnimatorParameterInfo.ParameterType.FLOAT;
			} else if (param.type == UnityEditorInternal.AnimatorControllerParameterType.Int) {
				parameterInfos [i].type = AnimatorParameterInfo.ParameterType.INT;
			} else if (param.type == UnityEditorInternal.AnimatorControllerParameterType.Trigger) {
				parameterInfos [i].type = AnimatorParameterInfo.ParameterType.TRIGGER;
			}
		}

		UnityEditor.EditorUtility.SetDirty(this);
	}

	[UnityEditor.CustomEditor(typeof(AnimatorParameter)), UnityEditor.CanEditMultipleObjects]
	class AnimatorParameterEditor : UnityEditor.Editor
	{
		public override void OnInspectorGUI ()
		{
			base.OnInspectorGUI ();


			UnityEditor.EditorGUILayout.Space();
			if( GUILayout.Button("Setup") ){
				foreach( var obj in targets  )
				{
					var animparameter = obj as AnimatorParameter;
					animparameter.Setup();
				}
			}
		}
	}

	#endif
}