using UnityEngine;
using UnityEditor;
using System.Collections;
using System.Collections.Generic;

[CustomEditor(typeof(AdvancedPhysicsMaterial))]
[CanEditMultipleObjects]
public class AdvancedPhysicsMaterialEditor : Editor {
	public override void OnInspectorGUI(){
		AdvancedPhysicsMaterial mat = (AdvancedPhysicsMaterial)target;
		serializedObject.Update();
		EditorGUIUtility.LookLikeInspector();
		if (mat != null) {

			EditorGUILayout.LabelField("Selection name: " + mat.name.ToString());

			var mt = typeof(AdvancedPhysics.Matters);
			var matters = mt.GetFields();

			int selectedMatter = 0;
			List<string> matterNames = new List<string>();
			for(int i = 0; i < matters.Length; ++i){
				var m = matters[i];
				if(m.FieldType == typeof(AdvancedPhysics.Matter)){
					matterNames.Add(m.Name);
				}
				if(mat.matter != null && (mat.matter == m.GetValue(null))){
					//Debug.Log("LOL " + i);
					selectedMatter = i;
				}
			}
			EditorGUILayout.LabelField("Matter:");
			selectedMatter = EditorGUILayout.Popup(selectedMatter, matterNames.ToArray());
			mat.matter = (AdvancedPhysics.Matter)matters[selectedMatter].GetValue(null);

			EditorGUILayout.LabelField("Volume (m^3): " + mat.Volume);
			EditorGUILayout.LabelField("Mass (kg): " + mat.Mass);
			mat.UpdateParameters();
		}

	}

}