using System;
using System.Collections.Generic;
using System.IO;
using UnityEngine;
using XRLib.UI;
using TMPro;
using UnityEngine.UI;
using Newtonsoft.Json;
using TriLibCore.SFB;
using System.Text;

namespace XED
{
    [Serializable]
    public class LanguageConfig
    {
        public string defaultLanguage;
        public Dictionary<string, string> languages;
    }
    public class Panel_MultilingualSettingModal : PanelBase
    {
        public TMP_Dropdown Dropdown_Languages;
        public Button Button_OpenFile;
        public Button Button_Save;

        private string selectedLanguage;
        private Dictionary<string, string> languages = new Dictionary<string, string>();
        private string json;
        public string saveLanguage;

        public override void AfterAwake()
        {
            Button_OpenFile.onClick.AddListener(OnClickOpenFileButton);
            Button_Save.onClick.AddListener(OnClickSaveButton);
        }
        void OnClickOpenFileButton()
        {
            StandaloneFileBrowser.OpenFilePanelAsync("Open File", "", "json", false, LoadJson);
        }
        void OnClickSaveButton()
        {
            saveLanguage = selectedLanguage;
        }
        
        void LoadJson(IList<ItemWithStream> items)
        {
            if (items != null && items.Count > 0)
            {
                var item = items[0];
                using (var reader = new StreamReader(item.OpenStream(), Encoding.UTF8))
                {
                    json = reader.ReadToEnd();
                }
            }
            else
            {
                Debug.LogWarning("ÆÄÀÏÀ» ¼±ÅÃÇÏÁö ¾Ê¾Ò½À´Ï´Ù.");
            }

            var data = JsonConvert.DeserializeObject<LanguageConfig>(json);
            if (data == null || data.languages == null)
            {
                Debug.LogError("µ¥ÀÌÅÍ°¡ Á¸ÀçÇÏÁö ¾Ê½À´Ï´Ù.");
                return;
            }

            languages = data.languages;
            SetLanguageDropdown();
        }
        private void SetLanguageDropdown()
        {
            Dropdown_Languages.ClearOptions();
            List<string> options = new List<string>();

            foreach (var language in languages.Keys)
            {
                options.Add(language);
            }
            Dropdown_Languages.AddOptions(options);
            Dropdown_Languages.onValueChanged.AddListener(OnLanguageDropdownValueChanged);

            var languageKey = Dropdown_Languages.options[0].text;
            selectedLanguage = languages[languageKey];
        }

        private void OnLanguageDropdownValueChanged(int index)
        {
            var languageKey = Dropdown_Languages.options[index].text;
            selectedLanguage = languages[languageKey];
        }
    }
}