using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;
using LocalizationTool.Services;
using LocalizationTool.ViewModels;

namespace LocalizationTool.Views
{
    /// <summary>翻译设置窗口：绑定 TranslationSettingsViewModel，PasswordBox 的密文输入在此转发。</summary>
    public partial class TranslationSettingsWindow : Window
    {
        public TranslationSettingsViewModel ViewModel { get; }

        public TranslationSettingsWindow(Config.ConfigRoot config)
        {
            InitializeComponent();
            Icon = App.AppIcon;
            ViewModel = new TranslationSettingsViewModel(config);
            DataContext = ViewModel;

            // VM 恢复默认/初始化时刷新 PasswordBox 显示（PasswordBox 无法绑定）
            ViewModel.PropertyChanged += OnViewModelPropertyChanged;
            // 初始掩码回显（构造期间的 PropertyChanged 已错过）
            TxtOpenAIKey.Password = ViewModel.OpenAiKeyInput;
            TxtBaiduSecret.Password = ViewModel.BaiduSecretInput;

            ViewModel.Initialize(LanguageCatalog.Find("en-US") ?? LanguageCatalog.All[0]);
            ViewModel.RequestClose += ok =>
            {
                DialogResult = ok;
                Close();
            };
        }

        private void OnViewModelPropertyChanged(object sender, PropertyChangedEventArgs e)
        {
            if (e.PropertyName == nameof(ViewModel.OpenAiKeyInput))
                TxtOpenAIKey.Password = ViewModel.OpenAiKeyInput ?? "";
            else if (e.PropertyName == nameof(ViewModel.BaiduSecretInput))
                TxtBaiduSecret.Password = ViewModel.BaiduSecretInput ?? "";
        }

        /// <summary>PasswordBox 不能直接绑定，把输入值转发给 VM（掩码/空 = 未修改）。</summary>
        private void OpenAiKey_PasswordChanged(object sender, RoutedEventArgs e)
        {
            ViewModel.OpenAiKeyInput = ((PasswordBox)sender).Password ?? "";
        }

        private void BaiduSecret_PasswordChanged(object sender, RoutedEventArgs e)
        {
            ViewModel.BaiduSecretInput = ((PasswordBox)sender).Password ?? "";
        }
    }
}