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;
using Studio.UVC.UI;

namespace Studio
{
    [Serializable]
    public class LanguageConfig
    {
        public string defaultLanguage;
        public Dictionary<string, string> languages;
    }
    public class Panel_MultilingualSettingModal : PanelBase
    {
        public UVCDropDown 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()
        {
            Dropdown_Languages = GetComponentInChildren<UVCDropDown>();
            Dropdown_Languages.Init();
            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];
                if(string.IsNullOrEmpty(item.Name))
                {
                    //TODO 팝업창 or 그냥 닫음
                    Debug.Log("취소");
                    return;
                }
                using (var reader = new StreamReader(item.OpenStream(), Encoding.UTF8))
                {
                    json = reader.ReadToEnd();
                }
            }
            else
            {
                Debug.LogWarning("파일을 선택하지 않았습니다.");
            }

            var data = JsonConvert.DeserializeObject<LanguageConfig>(json);
            if (data == null || data.languages == null)
            {
                Debug.LogError("데이터가 존재하지 않습니다.");
                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.SetOptions(options);
            Dropdown_Languages.OnValueChange+=OnLanguageDropdownValueChanged;

            var languageKey = Dropdown_Languages.GetSelectOptionName();
            selectedLanguage = languages[languageKey];
        }

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