using UnityEngine;
using UnityEditor;

[CustomEditor(typeof(SpecularLighting))]
public class SpecularLightingEditor : Editor
{
    private SerializedObject serObj;
    private SerializedProperty specularLight;

	public void OnEnable () {
		serObj = new SerializedObject (target);
		specularLight = serObj.FindProperty("specularLight");
	}

    public override void OnInspectorGUI ()
    {
    	serObj.Update();

    	GameObject go = ((SpecularLighting)serObj.targetObject).gameObject;
    	WaterBase wb = (WaterBase)go.GetComponent(typeof(WaterBase));

    	if(!wb.sharedMaterial)
    		return;

    	if(wb.sharedMaterial.HasProperty("_WorldLightDir")) {
    		GUILayout.Label ("Transform casting specular highlights", EditorStyles.miniBoldLabel);
    		EditorGUILayout.PropertyField(specularLight, new GUIContent("Specular light"));

  			if(wb.sharedMaterial.HasProperty("_SpecularColor"))
				WaterEditorUtility.SetMaterialColor(
					"_SpecularColor",
					EditorGUILayout.ColorField("Specular",
					WaterEditorUtility.GetMaterialColor("_SpecularColor", wb.sharedMaterial)),
					wb.sharedMaterial);
			if(wb.sharedMaterial.HasProperty("_Shininess"))
				WaterEditorUtility.SetMaterialFloat("_Shininess", EditorGUILayout.Slider(
					"Specular power",
					WaterEditorUtility.GetMaterialFloat("_Shininess", wb.sharedMaterial),
					0.0F, 500.0F), wb.sharedMaterial);
    	}
    	else
    		GUILayout.Label ("The shader doesn't have the needed _WorldLightDir property.", EditorStyles.miniBoldLabel);

    	serObj.ApplyModifiedProperties();
    }

}