using UnityEngine;
using UnityEditor;
using System.Linq;
using SimpleJSON;
using System.IO;

namespace dlu
{

[CustomEditor(typeof(SceneController))]
public class SceneControllerEditor : Editor
{
    private bool showLabels = false;

    public override void OnInspectorGUI()
    {
        SceneController sc = (SceneController) target;
        JSONHandler.instance.RefreshSemanticLabels();

        EditorGUILayout.Space();
        base.DrawDefaultInspector();

        EditorGUILayout.Space();
        ExportContext(sc);

        EditorGUILayout.Space();
        ShowSemanticLabels(sc);

    }

    private void ShowSemanticLabels(SceneController sc)
    {
        showLabels = EditorGUILayout.BeginFoldoutHeaderGroup(showLabels, "Semantic labels");
        if (showLabels)
        {
            foreach (SemanticBehaviour sb in JSONHandler.instance.semanticBehaviours)
            {
                string label = sb.GetComponent<InstanceIdentifier>().name;
                // Fill dict
                if (sb.is_a.Count() > 0)
                {
                    label += $" a {sb.is_a.Split('#')[1]}";
                }
                EditorGUILayout.ObjectField(label, sb.gameObject, typeof(GameObject), true);
            }
        }

        EditorGUILayout.EndFoldoutHeaderGroup();
    }

    private void ExportContext(SceneController sc)
    {
        string exportFile = EditorGUILayout.TextField("Export Context File", "Assets/DLU/Resources/context.json");
        JSONNode sceneJson = JSONHandler.instance.GenerateContextJSON();
        if (GUILayout.Button("Export to file"))
        {
            File.WriteAllText(exportFile, sceneJson.ToString());
        }
        EditorGUILayout.TextArea(sceneJson == null ? "" : sceneJson.ToString());
    }
}

}