using UnityEditor;
using UnityEngine;

[CustomEditor(typeof(RuntimeEventTool))]
public class RuntimeEventToolEditor : Editor
{
    private RuntimeEventTool tool;
    private string newSetName = "";

    public override void OnInspectorGUI()
    {
        tool = (RuntimeEventTool)target;

        serializedObject.Update();

        EditorGUILayout.Space();
        EditorGUILayout.LabelField("Runtime Event Tool", EditorStyles.boldLabel);

        // Dropdown για Active Set
        var sets = tool.GetEventSets();
        if (sets.Count > 0)
        {
            string[] options = sets.ConvertAll(s => s.setName).ToArray();
            int currentIndex = Mathf.Max(0, System.Array.IndexOf(options, tool.ActiveSetName));
            int newIndex = EditorGUILayout.Popup("Active Set", currentIndex, options);

            if (newIndex != currentIndex)
            {
                Undo.RecordObject(tool, "Change Active Set");
                tool.ActiveSetName = options[newIndex];
                EditorUtility.SetDirty(tool);
            }
        }
        else
        {
            EditorGUILayout.HelpBox("No event sets defined.", MessageType.Info);
        }

        // Button για Invoke
        if (GUILayout.Button("Invoke Active Set"))
        {
            tool.InvokeActiveSet();
        }

        EditorGUILayout.Space();
        EditorGUILayout.LabelField("Add New Event Set", EditorStyles.boldLabel);

        newSetName = EditorGUILayout.TextField("Set Name", newSetName);
        GUI.enabled = !string.IsNullOrEmpty(newSetName.Trim());
        if (GUILayout.Button("Add Set"))
        {
            Undo.RecordObject(tool, "Add New Event Set");
            tool.AddNewSet(newSetName.Trim());
            newSetName = "";
            EditorUtility.SetDirty(tool);
        }
        GUI.enabled = true;

        EditorGUILayout.Space();
        EditorGUILayout.LabelField("Quick Tools", EditorStyles.boldLabel);

        // Single selector για active set
        GUI.enabled = !string.IsNullOrEmpty(tool.ActiveSetName);
        if (GUILayout.Button("Generate RuntimeEventSelector for Active Set"))
        {
            GameObject child = new GameObject($"RuntimeEventSelector: {tool.ActiveSetName}");
            Undo.RegisterCreatedObjectUndo(child, "Create RuntimeEventSelector");

            child.transform.SetParent(tool.transform);
            child.transform.localPosition = Vector3.zero;

            var selector = child.AddComponent<RuntimeEventSelector>();
            selector.targetTool = tool;
            selector.setToActivate = tool.ActiveSetName;

            Selection.activeGameObject = child;
        }
        GUI.enabled = true;

        // Multiple selectors για όλα τα sets (χωρίς duplicates)
        if (GUILayout.Button("Generate RuntimeEventSelectors for All Sets"))
        {
            foreach (var set in tool.GetEventSets())
            {
                string name = set.setName;
                if (string.IsNullOrEmpty(name)) continue;

                bool exists = false;
                foreach (Transform child in tool.transform)
                {
                    var selector = child.GetComponent<RuntimeEventSelector>();
                    if (selector != null && selector.setToActivate == name)
                    {
                        exists = true;
                        break;
                    }
                }

                if (exists) continue;

                GameObject childObj = new GameObject($"RuntimeEventSelector: {name}");
                Undo.RegisterCreatedObjectUndo(childObj, "Create RuntimeEventSelector");

                childObj.transform.SetParent(tool.transform);
                childObj.transform.localPosition = Vector3.zero;

                var selectorComp = childObj.AddComponent<RuntimeEventSelector>();
                selectorComp.targetTool = tool;
                selectorComp.setToActivate = name;
            }

            Selection.activeGameObject = tool.gameObject;
        }

        EditorGUILayout.Space();
        EditorGUILayout.LabelField("Event Sets (UnityEvents)", EditorStyles.boldLabel);

        // Εμφάνιση event sets
        DrawDefaultInspector();

        serializedObject.ApplyModifiedProperties();
    }
}