using System.Threading;
using AIK.Common.Language;
using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Threading;

namespace AIK.Views.UIViewModels
{
    /// <summary>
    /// 专用于进度弹窗的 ViewModel，仅管理 UI 状态，不执行业务逻辑。
    /// </summary>
    public partial class ProgressDialogViewModel : ObservableObject
    {
        private readonly CancellationTokenSource _cts = new();

        public CancellationToken CancellationToken => _cts.Token;

        [ObservableProperty]
        private string _title = string.Empty;

        [ObservableProperty]
        private string _message = string.Empty;

        [ObservableProperty]
        private double _progress = 0.0;

        [ObservableProperty]
        private bool _isIndeterminate = false;

        [ObservableProperty]
        private bool _isCancelButtonVisible = true;

        [ObservableProperty]
        private bool _isCompleted;

        [ObservableProperty]
        private double _timeSecond;

        [ObservableProperty]
        private string _timeTotalText = string.Empty;

        public ProgressDialogViewModel(
            string title = "正在烧录",
            string message = "正在烧录...",
            bool showCancel = true)
        {
            title = title == "正在烧录" ? AiKLanguage.LanguageKey.GetValueOrDefault("DialogBurningTitle") ?? string.Empty : title;
            message = message == "正在烧录..." ? AiKLanguage.LanguageKey.GetValueOrDefault("DialogBurningMessage") ?? string.Empty : message;
            Title = title;
            Message = message;
            IsCancelButtonVisible = showCancel;
            Progress = 0.00;
            IsCompleted = false;
        }

        /// <summary>
        /// 由外部（如 ModalDialogService）调用，用于更新进度
        /// </summary>
        public void ReportProgress(double value)
        {
            Progress = value;
            IsIndeterminate = false;

        }

        [RelayCommand]
        private void Cancel()
        {
            _cts.Cancel();
        }
    }
}