using Microsoft.Win32;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Controls.Primitives;
using System.Windows.Media;

namespace ECMonitor.PlayerDraw.Code
{
    public enum ColorEnum
    {
        绿色,
        黄色,
        红色,
        白色,
        青色,
        蓝色,
        紫色,
        黑色,
        灰色,
        橙色
    }
    /// <summary>
    /// 表示部分音频文件的类型
    /// </summary>
    public enum FileTypes
    {
        MKV = 2669,
        MP4 = 00,
        INI = 255254,
        MP3 = 7368,
        WAV = 8273,
        WMA = 4838,
        AVI = 8273,
        WMV = 4838,

    }
    public class BlackboardClass
    {
        /// <summary>
        /// 初始化BlackboardClass
        /// </summary>
        public BlackboardClass()
        {

        }

        /// <summary>
        /// 添加或删除启动项
        /// </summary>
        /// <param name="isStart">true为添加启动项，否则为删除启动项</param>
        /// <param name="startName">启动项的名称</param>
        /// <param name="applicationPath">要开机启动的应用程序的exe文件的路径</param>
        /// <returns>表示是否完成添加或删除任务</returns>
        public static bool RunItem(bool isStart, string startName, string applicationPath)
        {
            bool result = true;
            RegistryKey HKLM = Registry.CurrentUser;
            RegistryKey run = HKLM.CreateSubKey(@"SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Run\");

            if (isStart)
            {
                try
                {
                    run.SetValue(startName, applicationPath);
                    HKLM.Close();
                }
                catch (Exception)
                {


                }
            }
            else
            {
                try
                {
                    run.DeleteValue(startName);
                    HKLM.Close();
                }
                catch (Exception)
                {


                }
            }
            result = run.GetValue("智能版") != null;
            HKLM.Close();

            return result;
        }

        /// <summary>
        /// 初始化BlackboardClass
        /// </summary>
        /// <param name="moveControl">要移动的控件</param>
        public BlackboardClass(UserControl moveControl)
        {
            MoveControl = moveControl;
        }

        /// <summary>        
        /// 要移动的控件
        /// </summary>
        public UserControl MoveControl { get; set; }

        /// <summary>
        /// 提供一个Thumb在Grid上的DragDelta处理程序
        /// </summary>      
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public void ThumbMove(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
        {
            if (MoveControl != null)
            {
                double top = MoveControl.Margin.Top + e.VerticalChange,//上边距
                    left = MoveControl.Margin.Left + e.HorizontalChange;//左边距                                
                MoveControl.Margin = new System.Windows.Thickness(left, top, 0, 0);
            }
        }

        public static bool IsAudio(string path)
        {
            FileStream fileStream = new FileStream(path, FileMode.Open, FileAccess.Read);
            BinaryReader read = new BinaryReader(fileStream);

            byte code;
            string fileTypeCode = String.Empty;

            try
            {
                for (int i = 0; i < 2; i++)
                {
                    code = read.ReadByte();
                    fileTypeCode += code.ToString();
                }
            }
            catch (Exception)
            {

                return false;
            }
            fileStream.Close();
            read.Close();

            int tryVal;
            return !Int32.TryParse(((FileTypes)Enum.Parse(typeof(FileTypes), fileTypeCode)).ToString(), out tryVal);
        }

        /// <summary>
        /// 改变颜色
        /// </summary>
        /// <param name="color">要返回的颜色</param>
        public static Color ChangeColor(ColorEnum color)
        {
            switch (color)
            {
                case ColorEnum.白色:
                    return Colors.White;
                case ColorEnum.黄色:
                    return Colors.Yellow;
                case ColorEnum.黑色:
                    return Colors.Black;
                case ColorEnum.红色:
                    return Colors.Red;
                case ColorEnum.灰色:
                    return Colors.Gray;
                case ColorEnum.蓝色:
                    return Colors.Blue;
                case ColorEnum.绿色:
                    return Colors.Green;
                case ColorEnum.青色:
                    return Colors.Cyan;
                case ColorEnum.紫色:
                    return Colors.Purple;
                case ColorEnum.橙色:
                    return Colors.Orange;
                default:
                    return new Color();
            }
        }

        public void ChangSize(object sender, System.Windows.Controls.Primitives.DragDeltaEventArgs e)
        {
            double wibth = this.MoveControl.ActualWidth;
            double heigth = this.MoveControl.ActualHeight;
            switch ((sender as Thumb).Name)
            {
                case "LeftTop":
                    double left = MoveControl.Margin.Left,
                        top = MoveControl.Margin.Top;

                    if (MoveControl.ActualWidth - e.HorizontalChange <= this.MoveControl.MaxWidth &&
                        MoveControl.ActualWidth - e.HorizontalChange >= this.MoveControl.MinWidth)
                    {
                        wibth = MoveControl.ActualWidth - e.HorizontalChange;
                        left = MoveControl.Margin.Left + e.HorizontalChange;
                    }

                    if (MoveControl.ActualHeight - e.VerticalChange <= this.MoveControl.MaxHeight &&
                        MoveControl.ActualHeight - e.VerticalChange >= this.MoveControl.MinHeight)
                    {
                        heigth = MoveControl.ActualHeight - e.VerticalChange;
                        top = MoveControl.Margin.Top + e.VerticalChange;
                    }

                    MoveControl.Margin = new Thickness(left, top, 0, 0);
                    break;
                case "LeftBottom":
                    left = this.MoveControl.Margin.Left;
                    double bottom = this.MoveControl.Margin.Bottom;

                    if (MoveControl.ActualWidth - e.HorizontalChange <= this.MoveControl.MaxWidth &&
                        MoveControl.ActualWidth - e.HorizontalChange >= this.MoveControl.MinWidth)
                    {
                        wibth = MoveControl.ActualWidth - e.HorizontalChange;
                        left = MoveControl.Margin.Left + e.HorizontalChange;
                    }

                    if (MoveControl.ActualHeight + e.VerticalChange <= this.MoveControl.MaxHeight &&
                        MoveControl.ActualHeight + e.VerticalChange >= this.MoveControl.MinHeight)
                    {
                        heigth = MoveControl.ActualHeight + e.VerticalChange;
                        bottom = MoveControl.Margin.Bottom - e.VerticalChange;
                    }
                    MoveControl.Margin = new Thickness(left, MoveControl.Margin.Top, 0, bottom);
                    break;
                case "RightTop":
                    top = this.MoveControl.Margin.Top;

                    if (MoveControl.ActualWidth + e.HorizontalChange <= this.MoveControl.MaxWidth &&
                        MoveControl.ActualWidth + e.HorizontalChange >= this.MoveControl.MinWidth)
                        wibth = MoveControl.ActualWidth + e.HorizontalChange;

                    if (MoveControl.ActualHeight - e.VerticalChange <= this.MoveControl.MaxHeight &&
                        MoveControl.ActualHeight - e.VerticalChange >= this.MoveControl.MinHeight)
                    {
                        heigth = MoveControl.ActualHeight - e.VerticalChange;
                        top = MoveControl.Margin.Top + e.VerticalChange;
                    }

                    MoveControl.Margin = new Thickness(MoveControl.Margin.Left,
                     top, 0, MoveControl.Margin.Bottom);
                    break;
                default:
                    double right = this.MoveControl.Margin.Right;
                    bottom = this.MoveControl.Margin.Bottom;

                    if (MoveControl.ActualWidth + e.HorizontalChange <= this.MoveControl.MaxWidth &&
                        MoveControl.ActualWidth + e.HorizontalChange >= this.MoveControl.MinWidth)
                    {
                        wibth = MoveControl.ActualWidth + e.HorizontalChange;
                        right = MoveControl.Margin.Right - e.HorizontalChange;
                    }

                    if (MoveControl.ActualHeight + e.VerticalChange <= this.MoveControl.MaxHeight &&
                        MoveControl.ActualHeight + e.VerticalChange >= this.MoveControl.MinHeight)
                    {
                        heigth = MoveControl.ActualHeight + e.VerticalChange;
                        bottom = this.MoveControl.Margin.Bottom - e.VerticalChange;
                    }
                    MoveControl.Margin = new Thickness(MoveControl.Margin.Left,
                        MoveControl.Margin.Top, right, bottom);
                    break;
            }
            MoveControl.Width = wibth;
            MoveControl.Height = heigth;
        }
    }
}