using ComPDFKitViewer.AnnotEvent;
using PDF_Office.CustomControl.CompositeControl;
using PDF_Office.Helper;
using PDF_Office.Properties;
using PDFSettings;
using Prism.Mvvm;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;

namespace PDF_Office.Model.AnnotPanel
{
    //注释的通用属性
    public class AnnotCommon : BindableBase
    {
        //注释类型
        private AnnotArgsType _annotType;
        public AnnotArgsType AnnotType
        {
            get { return _annotType; }
            set => SetProperty(ref _annotType, value);
        }

        //注释类型名称
        private string _annotTypeTitle;
        public string AnnotTypeTitle
        {
            get { return _annotTypeTitle; }
            set => SetProperty(ref _annotTypeTitle, value);
        }

        #region 线条

        //线条粗细大小
        private double _annotThickness = 1;
        public double AnnotThickness
        {
            get { return _annotThickness; }
            set => SetProperty(ref _annotThickness, value);
        }

        //线条样式
        private DashStyle dash = new DashStyle();
        public DashStyle Dash
        {
            get { return dash; }
            set => SetProperty(ref dash, value);
        }

        #endregion 线条

        #region 填充
        //填充颜色透明度
        private double fillOpacity = 1;
        public double FillOpacity
        {
            get { return fillOpacity; }
            set => SetProperty(ref fillOpacity, value);
        }

        //当前填充颜色
        private Brush _currentFillColor = new SolidColorBrush(Colors.Transparent);
        public Brush CurrentFillColor
        {
            get { return _currentFillColor; }
            set => SetProperty(ref _currentFillColor, value);
        }

        //填充颜色
        private Brush fillColor = new SolidColorBrush(Colors.Transparent);
        public Brush FillColor
        {
            get { return fillColor; }
            set { SetProperty(ref fillColor, value); CurrentFillColor = fillColor; }
        }

        //边框颜色集合
        private List<ColorItem> _colorItems = new List<ColorItem>();
        public List<ColorItem> ColorItems
        {
            get { return _colorItems; }
            set => SetProperty(ref _colorItems, value);
        }

        //填充颜色集合
        private List<ColorItem> _fillColorItems = new List<ColorItem>();
        public List<ColorItem> FillColorItems
        {
            get { return _fillColorItems; }
            set => SetProperty(ref _fillColorItems, value);
        }
        #endregion 填充

        #region 边框
        //边框颜色透明度
        private double _borderOpacity = 1;
        public double BorderOpacity
        {
            get { return _borderOpacity; }
            set => SetProperty(ref _borderOpacity, value);
        }

        private Brush _borderColor = new SolidColorBrush(Colors.Transparent);
        public Brush BorderColor
        {
            get { return _borderColor; }
            set { SetProperty(ref _borderColor, value); CurrentBorderColor = _borderColor; }
        }

        //当前边框颜色
        private Brush _currentBorderColor = new SolidColorBrush(Colors.Transparent);
        public Brush CurrentBorderColor
        {
            get { return _currentBorderColor; }
            set => SetProperty(ref _currentBorderColor, value);
        }

        private Brush _fontColor = new SolidColorBrush(Colors.Transparent);
        public Brush FontColor
        {
            get { return _fontColor; }
            set { SetProperty(ref _fontColor, value); CurrentFontColor = _fontColor; }

        }

        //当前边框颜色
        private Brush _currentFontColor = new SolidColorBrush(Colors.Transparent);
        public Brush CurrentFontColor
        {
            get { return _currentFontColor; }
            set => SetProperty(ref _currentFontColor, value);
        }

        //外部UI引用，判断是否选中实线、虚线、或都不选中
        public string strDashStyle { get; private set; }
        //VM赋值
        public void SetStrDashStyle(string str)
        {
            strDashStyle = str;
        }

        //外部UI引用，其他：例如形状注释类型
        public string strOtherTag { get; private set; }
        //VM赋值
        public void SetOtherTag(string str)
        {
            strOtherTag = str;
        }
        #endregion

        #region 多选

        //多选注释：用处 - 多选注释使得下拉框为空内容，刷新最新的UI布局
        private bool _isMultiSelected = false;
        public bool IsMultiSelected
        {
            get { return _isMultiSelected; }
            set => SetProperty(ref _isMultiSelected, value);
        }

        #endregion

        /// <summary>
        /// VM触发到外部UI事件
        /// </summary>
        public event EventHandler<object> SelectedAnnotInvokeToUI;
        //Todo：由于考虑到有些UI在VM不太方便处理，因此需要触发该函数到外部xaml.cs里更改UI属性。
        //更改多个属性：value可为键值对集合
        //适应范围：若VM在Loaded进行绑定，需要UI初始化之后，才能起到作用
        public void InvokeToUI(object sender, object value)
        {
            SelectedAnnotInvokeToUI?.Invoke(sender, value);
        }

    }

    //注释的通用颜色集合
    public class AnnotColorList
    {
        //用于高亮注释颜色
        public static List<ColorItem> GetColorList(ColorSelectorType type)
        {
            ColorSelectorItem cacheColorItem = null;
            if (Settings.Default.ColorSelectors == null)
            {
                Settings.Default.ColorSelectors = new ColorSelectorList();
            }
            else
            {
                //是否存在某类型的颜色列表
                cacheColorItem = Settings.Default.ColorSelectors.FirstOrDefault(temp => temp.SelectorType == type);
            }

            List<ColorItem> Items = GetSpecifiedColorList(type);

            if (cacheColorItem== null)
            {
                SaveInitSelector(Items, type);
            }
            else
            {
                //若存在，同步缓存里的数据
                foreach(var item in Items)
                {
                    var selector = SettingHelper.GetColorSelectorItem(type, item.Index);
                    if (selector != null)
                    {
                        item.Color = new SolidColorBrush(selector.color);
                    }
                }
                
            }

            return Items;
        }

        //缓存第一次初始化数据
        private static void SaveInitSelector(List<ColorItem> colors, ColorSelectorType type)
        {
            if (Settings.Default.ColorSelectors == null)
            {
                Settings.Default.ColorSelectors = new ColorSelectorList();
            }

            foreach (var item in colors)
            {
                ColorSelectorItem colorSelectorItem = new ColorSelectorItem();
                colorSelectorItem.color = (item.Color as SolidColorBrush).Color;
                colorSelectorItem.SelectorType = type;
                colorSelectorItem.Index = item.Index;
                colorSelectorItem.IsChangedColor = false;
                Settings.Default.ColorSelectors.Add(colorSelectorItem);
            }

            Settings.Default.Save();
        }

        //选取某类型第一次初始化（默认值）的颜色列表
        private static List<ColorItem> GetSpecifiedColorList(ColorSelectorType type)
        {
            List<ColorItem> Items = null;
            switch (type)
            {
                case ColorSelectorType.Highlight:
                    Items = GetHighlightColorList();
                    break;
                case ColorSelectorType.Border:
                    Items = GetBorderColorList();
                    break;
                case ColorSelectorType.Fill:
                    Items = GetFillColorList();
                    break;
                case ColorSelectorType.Sticky:
                    Items = GetStyleColorList();
                    break;
                default:
                    Items = GetHighlightColorList();
                    break;
            }

            return Items;

        }

        //用于高亮注释颜色
        private static List<ColorItem> GetHighlightColorList()
        {
            List<ColorItem> HighlightItems = new List<ColorItem>();
            HighlightItems = new List<ColorItem>();
            ColorItem colorItem = new ColorItem(Color.FromArgb(0xff, 0xff, 0xC7, 0x00), 0);
            HighlightItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0xFC, 0x1F, 0x1F), 1);
            HighlightItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0x3E, 0xED, 0x92), 2);
            HighlightItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0x47, 0xC8, 0xFF), 3);
            HighlightItems.Add(colorItem);
            return HighlightItems;
        }


        //用于边框颜色
        private static List<ColorItem> GetBorderColorList()
        {
            List<ColorItem> BorderItems = new List<ColorItem>();
            BorderItems = new List<ColorItem>();
            ColorItem colorItem = new ColorItem(Color.FromArgb(0xff, 0xFC, 0x1F, 0x1F), 0);
            BorderItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0x29, 0x53, 0x93), 1);
            BorderItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0x1E, 0x89, 0x56), 2);
            BorderItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0xB8, 0x08, 0xD4), 3);
            BorderItems.Add(colorItem);
            return BorderItems;
        }

        //用于填充颜色
        private static List<ColorItem> GetFillColorList()
        {
            List<ColorItem> FillItems = new List<ColorItem>();
            FillItems = new List<ColorItem>();
            ColorItem colorItem = new ColorItem(Colors.Transparent, 0);
            FillItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0xff, 0xff, 0xff), 1);
            FillItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0xDF, 0xE1, 0xE4), 2);
            FillItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0xFF, 0xF1, 0xC1), 3);
            FillItems.Add(colorItem);
            return FillItems;
        }

        //用于注释样式颜色：如便签样式颜色
        private static List<ColorItem> GetStyleColorList()
        {
            List<ColorItem> StyleItems = new List<ColorItem>();
            StyleItems = new List<ColorItem>();
            ColorItem colorItem = new ColorItem(Color.FromArgb(0xff, 0xff, 0xD5, 0x73), 0);
            StyleItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0xF8, 0x59, 0xC8), 1);
            StyleItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0x1A, 0xD5, 0x98), 2);
            StyleItems.Add(colorItem);
            colorItem = new ColorItem(Color.FromArgb(0xff, 0x68, 0xAC, 0xF8), 3);
            StyleItems.Add(colorItem);
            return StyleItems;
        }

    }

}