using System;
using System.Linq;
using AlicizaX.Editor;
using AlicizaX.Localization.Runtime;
using UnityEditor;

namespace AlicizaX.Localization.Editor
{
    [CustomEditor(typeof(LocalizationComponent))]
    internal sealed class LocalizationComponentInspector : GameFrameworkInspector
    {
        private string[] _languageNames = new[] { "None" };
        private SerializedProperty _language;
        private int languageIndex = -1;

        private void OnEnable()
        {
            _language = serializedObject.FindProperty("_language");
            _languageNames = LocalizationConfiguration.Instance.LanguageTypeNames.ToArray();
            var languageName = EditorPrefs.GetString(LocalizationComponent.PrefsKey, "None");
            _language.stringValue = languageName;
            serializedObject.ApplyModifiedProperties();
            languageIndex = _languageNames.ToList().FindIndex(t => t.Equals(languageName));
        }

        public override void OnInspectorGUI()
        {
            base.OnInspectorGUI();
            serializedObject.Update();
            LocalizationComponent t = (LocalizationComponent)target;
            EditorGUI.BeginDisabledGroup(EditorApplication.isPlayingOrWillChangePlaymode);
            {
                if (EditorApplication.isPlaying && IsPrefabInHierarchy(t.gameObject))
                {
                    int index = UnityEditor.EditorPrefs.GetInt(LocalizationComponent.PrefsKey, 0);
                    int selectedIndex = EditorGUILayout.Popup("Language", index, _languageNames);
                }
                else
                {
                    int selectedIndex = EditorGUILayout.Popup("Language", languageIndex, _languageNames);
                    if (selectedIndex != languageIndex)
                    {
                        languageIndex = selectedIndex;
                        _language.stringValue = _languageNames[languageIndex];
                        EditorPrefs.SetString(LocalizationComponent.PrefsKey, _language.stringValue);
                    }
                }
            }
            serializedObject.ApplyModifiedProperties();
        }
    }
}