using UnityEngine;
using UnityEditor;
using System.Reflection;
using System;

[CustomEditor(typeof(MonoBehaviour), true)]
public class DynamicIDGeneratorEditor : Editor
{
    public override void OnInspectorGUI()
    {
        base.OnInspectorGUI();

        MonoBehaviour targetScript = (MonoBehaviour)target;

        if (HasUniqueIDField(targetScript) && GUILayout.Button("Generate Unique ID"))
        {
            bool confirmed = true;

            // Check if the uniqueID field is not empty
            if (!string.IsNullOrEmpty(GetUniqueID(targetScript)))
            {
                // Display confirmation dialog before generating a new ID
                confirmed = EditorUtility.DisplayDialog("Confirmation", "Generating a new Unique ID will override the previous one. Are you sure?", "Yes", "No");
            }

            if (confirmed)
            {
                GenerateUniqueID(targetScript);
                EditorUtility.SetDirty(targetScript);
            }
        }
    }

    void OnEnable()
    {
        MonoBehaviour targetScript = (MonoBehaviour)target;

        // Automatically generate a unique ID if the script has a uniqueID field and the uniqueID is empty
        if (HasUniqueIDField(targetScript) && string.IsNullOrEmpty(GetUniqueID(targetScript)))
        {
            GenerateUniqueID(targetScript);
            EditorUtility.SetDirty(targetScript);
        }
    }

    private bool HasUniqueIDField(MonoBehaviour script)
    {
        // Check if the script has a field named "uniqueID"
        return script.GetType().GetField("uniqueID") != null;
    }

    private string GetUniqueID(MonoBehaviour script)
    {
        // Get the value of the uniqueID field using reflection
        FieldInfo uniqueIDField = script.GetType().GetField("uniqueID");
        return uniqueIDField != null ? (string)uniqueIDField.GetValue(script) : null;
    }

    private void GenerateUniqueID(MonoBehaviour script)
    {
        Type scriptType = script.GetType();
        string uniqueID = $"{scriptType.Name}_{Guid.NewGuid().ToString()}";

        // Set the value of the uniqueID field using reflection
        FieldInfo uniqueIDField = scriptType.GetField("uniqueID");
        if (uniqueIDField != null)
        {
            uniqueIDField.SetValue(script, uniqueID);
            Debug.Log($"Generated Unique ID: {uniqueID}");
        }
        else
        {
            Debug.LogError($"The script {scriptType.Name} does not have a 'uniqueID' field.");
        }
    }
}