using CommunityToolkit.Mvvm.ComponentModel;
using CommunityToolkit.Mvvm.Input;
using MaterialDesignColors;
using MaterialDesignColors.ColorManipulation;
using MaterialDesignThemes.Wpf;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls;
using System.Windows.Media;

namespace WPFWCSDemo.ViewModels.Settings
{
    public partial class SkinViewModel:ObservableObject
    {
        [ObservableProperty]
        static Frame frame;

        public IEnumerable<ISwatch> Swatches { get; } = SwatchHelper.Swatches;


        //深浅色切换
        private bool _isDarkTheme;
        public bool IsDarkTheme
        {
            get => _isDarkTheme;
            set
            {
                if (SetProperty(ref _isDarkTheme, value))
                {
                    ModifyTheme(theme => theme.SetBaseTheme(value ? Theme.Dark : Theme.Light));
                }
            }
        }
        //切换主题
        private static void ModifyTheme(Action<ITheme> modificationAction)
        {
            var paletteHelper = new PaletteHelper();
            ITheme theme = paletteHelper.GetTheme();

            modificationAction?.Invoke(theme);

            paletteHelper.SetTheme(theme);
        }



        private readonly PaletteHelper paletteHelper = new PaletteHelper();

        /// <summary>
        /// 改变颜色
        /// </summary>
        /// <param name="obj"></param>
        [RelayCommand]
        public void ChangeHue(object? obj)
        {
            var hue = (Color)obj!;

            ITheme theme = paletteHelper.GetTheme();

            theme.PrimaryLight = new ColorPair(hue.Lighten());
            theme.PrimaryMid = new ColorPair(hue);
            theme.PrimaryDark = new ColorPair(hue.Darken());

            paletteHelper.SetTheme(theme);
        }


        public static void GetFrame(Frame navigationFrame)
        {
            frame = navigationFrame;
        }

    }
}