using UnityEngine;
using UnityEditor;
using System.Collections;

namespace TMPro.EditorUtilities
{
    [CustomEditor(typeof(TMP_SubMesh)), CanEditMultipleObjects]
    public class TMP_SubMesh_Editor : Editor
    {
        private struct m_foldout
        { // Track Inspector foldout panel states, globally.
            //public static bool textInput = true;
            public static bool fontSettings = true;
            //public static bool extraSettings = false;
            //public static bool shadowSetting = false;
            //public static bool materialEditor = true;
        }
        
        private SerializedProperty fontAsset_prop;
        private SerializedProperty spriteAsset_prop;

        private TMP_SubMesh m_SubMeshComponent;
        private Renderer m_Renderer;

        public void OnEnable()
        {
            fontAsset_prop = serializedObject.FindProperty("m_fontAsset");
            spriteAsset_prop = serializedObject.FindProperty("m_spriteAsset");

            m_SubMeshComponent = target as TMP_SubMesh;

            m_Renderer = m_SubMeshComponent.renderer;
        }


        public override void OnInspectorGUI()
        {
            EditorGUI.indentLevel = 0;
            
            GUI.enabled = false;
            EditorGUILayout.PropertyField(fontAsset_prop);
            EditorGUILayout.PropertyField(spriteAsset_prop);
            GUI.enabled = true;
            
            EditorGUI.BeginChangeCheck();

            // SORTING LAYERS
            var sortingLayerNames = SortingLayerHelper.sortingLayerNames;

            // Look up the layer name using the current layer ID
            string oldName = SortingLayerHelper.GetSortingLayerNameFromID(m_Renderer.sortingLayerID);

            // Use the name to look up our array index into the names list
            int oldLayerIndex = System.Array.IndexOf(sortingLayerNames, oldName);

            // Show the pop-up for the names
            int newLayerIndex = EditorGUILayout.Popup("Sorting Layer", oldLayerIndex, sortingLayerNames);

            // If the index changes, look up the ID for the new index to store as the new ID
            if (newLayerIndex != oldLayerIndex)
            {
                //Undo.RecordObject(renderer, "Edit Sorting Layer");
                m_Renderer.sortingLayerID = SortingLayerHelper.GetSortingLayerIDForIndex(newLayerIndex);
                //EditorUtility.SetDirty(renderer);
            }

            // Expose the manual sorting order
            int newSortingLayerOrder = EditorGUILayout.IntField("Order in Layer", m_Renderer.sortingOrder);
            if (newSortingLayerOrder != m_Renderer.sortingOrder)
            {
                //Undo.RecordObject(renderer, "Edit Sorting Order");
                m_Renderer.sortingOrder = newSortingLayerOrder;
            }
        }
    }
}