using ImageMagick;
using IOTContainer.Common;
using IOTContainer.ViewModel;
using System;
using System.Collections.Generic;

using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Threading;

namespace IOTContainer.View
{
    /// <summary>
    /// WeatherControl.xaml 的交互逻辑
    /// </summary>
    public partial class WeatherControl : UserControl
    {
        DispatcherTimer WeatherTimer = new DispatcherTimer();//停止播放视频的定时器
        
        string city = string.Empty;
        [DllImport("gdi32")]
        static extern int DeleteObject(IntPtr o);

        public static BitmapSource loadBitmap(System.Drawing.Bitmap source)
        {
            IntPtr ip = source.GetHbitmap();
            BitmapSource bs = null;
            try
            {
                bs = System.Windows.Interop.Imaging.CreateBitmapSourceFromHBitmap(ip,
                   IntPtr.Zero, Int32Rect.Empty,
                   System.Windows.Media.Imaging.BitmapSizeOptions.FromEmptyOptions());
            }
            finally
            {
                DeleteObject(ip);
            }

            return bs;
        }
        private string fontColor = "#FFFFF";
        public WeatherControl()
        {
            InitializeComponent();
            WeatherTimer.Interval = TimeSpan.FromMinutes(180);//每秒刷新一次
            WeatherTimer.Tick += new EventHandler(WeatherTimer_Tick);
        }
        public void LoadWeather(string city, int type, double width, double height, string backgroundColor, string fontColor)
        {
            this.Width = width;
            this.Height = height;
            this.city = city;
            this.fontColor = fontColor;
            BrushConverter converter = new BrushConverter();
            if (!string.IsNullOrEmpty(backgroundColor))
            {
                Brush newFill = (Brush)converter.ConvertFromString(backgroundColor);
                gridMain.Background = newFill;
            }
            if (!string.IsNullOrEmpty(fontColor))
            {
                Brush newFill = (Brush)converter.ConvertFromString(fontColor);
                txtFL1.Foreground = newFill;
                txtAQI1.Foreground = newFill;
                txtAQI2.Foreground = newFill;
                txtFL2.Foreground = newFill;
                txtPM1.Foreground = newFill;
                txtPM2.Foreground = newFill;
                txtsd1.Foreground = newFill;
                txtsd2.Foreground = newFill;
                txtTemp1.Foreground = newFill;
                txtTemp2.Foreground = newFill;

                txtTempZ1.Foreground = newFill;
                txtsdp1.Foreground = newFill;
                txtAQIA1.Foreground = newFill;
                txtPMpm1.Foreground = newFill;
                txtPMV1.Foreground = newFill;

                txtTempZ2.Foreground = newFill;
                txtsdp2.Foreground = newFill;
                txtAQIA2.Foreground = newFill;
                txtPMpm2.Foreground = newFill;
                txtPMV2.Foreground = newFill;
            }
            gridMain.Width = width;
            gridMain.Height = height;
            style1.Width = width;
            style1.Height = height;
            style2.Width = width;
            style2.Height = height;
            BindWeather();
            Color color = (Color)ColorConverter.ConvertFromString(fontColor);
            if (type == 0)
            {
                try
                {
                    if (fontColor != "#FFFFFF")
                    {
                        sd.Source = loadBitmap(ReplaceColor(AppDomain.CurrentDomain.BaseDirectory + @"\weather\sd.png", 255, 255, 255, color.R, color.G, color.B));
                        aqi.Source = loadBitmap(ReplaceColor(AppDomain.CurrentDomain.BaseDirectory + @"\weather\aqi.png", 255, 255, 255, color.R, color.G, color.B));
                        fl.Source = loadBitmap(ReplaceColor(AppDomain.CurrentDomain.BaseDirectory + @"\weather\fl.png", 255, 255, 255, color.R, color.G, color.B));
                        pm.Source = loadBitmap(ReplaceColor(AppDomain.CurrentDomain.BaseDirectory + @"\weather\pm.png", 255, 255, 255, color.R, color.G, color.B));
                    }
                }
                catch (Exception ex)
                {

                    Log.MyLog.WriteLogFile("LoadWeather：" + ex.ToString(), "WeatherControl");
                }              
                
                style1.Visibility = Visibility.Visible;
                style2.Visibility = Visibility.Hidden;
            }
            else
            {
                try
                {
                    if (fontColor != "#FFFFFF")
                    {
                        sd2.Source = loadBitmap(ReplaceColor(AppDomain.CurrentDomain.BaseDirectory + @"\weather\sd.png", 255, 255, 255, color.R, color.G, color.B));
                        aqi2.Source = loadBitmap(ReplaceColor(AppDomain.CurrentDomain.BaseDirectory + @"\weather\aqi.png", 255, 255, 255, color.R, color.G, color.B));
                        fl2.Source = loadBitmap(ReplaceColor(AppDomain.CurrentDomain.BaseDirectory + @"\weather\fl.png", 255, 255, 255, color.R, color.G, color.B));
                        pm2.Source = loadBitmap(ReplaceColor(AppDomain.CurrentDomain.BaseDirectory + @"\weather\pm.png", 255, 255, 255, color.R, color.G, color.B));
                    }
                }
                catch (Exception ex)
                {

                    Log.MyLog.WriteLogFile("LoadWeather：" + ex.ToString(), "WeatherControl");
                }

                style2.Visibility = Visibility.Visible;
                style1.Visibility = Visibility.Hidden;
            }


            WeatherTimer.Start();
        }

        private void WeatherTimer_Tick(object sender, EventArgs e)
        {
            try
            {
                BindWeather();
            }
            catch (Exception ex)
            {
                Log.MyLog.WriteLogFile("WeatherTimer_Tick：" + ex.ToString(), "WeatherControl");
            }
        }

        private void BindWeather()
        {
            try
            {
                string imgUrl = "";
                WeatherViewModel weather = HttpComm.Http.GetEnvironmental(city);
                if (weather == null || string.IsNullOrEmpty(weather.weather))
                {
                    this.Width = 0;
                    this.Height = 0;
                    return;
                }
                if (weather.weather.Contains("晴"))
                {
                    imgUrl = "weather_sum.png";
                }
                else if (weather.weather.Contains("云"))
                {
                    imgUrl = "weather_cloud.png";
                }
                else if (weather.weather.Contains("雨"))
                {
                    imgUrl = "weather_rian.png";
                }

                else if (weather.weather.Contains("雪"))
                {
                    imgUrl = "weather_snow.png";
                }
                else if (weather.weather.Contains("阴") || weather.weather.Contains("雾"))
                {
                    imgUrl = "weather_cloud.png";
                }
                else
                {
                    imgUrl = "weather_sum.png";
                }
                if (!string.IsNullOrEmpty(weather.temperatureNow))
                {
                    txtTemp1.Text = Math.Floor(Convert.ToDouble(weather.temperatureNow)).ToString();
                    txtTemp2.Text = Math.Floor(Convert.ToDouble(weather.temperatureNow)).ToString();
                }
                if (!string.IsNullOrEmpty(weather.pm))
                {
                    txtPM1.Text = Math.Floor(Convert.ToDouble(weather.pm)).ToString();
                    txtPM2.Text = Math.Floor(Convert.ToDouble(weather.pm)).ToString();
                }
                if (!string.IsNullOrEmpty(weather.humidity))
                {
                    txtsd1.Text = weather.humidity.Replace("%", "");
                    txtsd2.Text = weather.humidity.Replace("%", "");
                }
                if (!string.IsNullOrEmpty(weather.windPower))
                {
                    txtFL1.Text = weather.windPower.Substring(0, weather.windPower.IndexOf("级"));
                    txtFL2.Text = weather.windPower.Substring(0, weather.windPower.IndexOf("级"));
                }
                if (!string.IsNullOrEmpty(weather.aqi))
                {
                    txtAQI1.Text = weather.aqi;
                    txtAQI2.Text = weather.aqi;
                }
                if (fontColor != "#FFFFFF")
                {
                    try
                    {
                        Color color = (Color)ColorConverter.ConvertFromString(fontColor);
                        this.imgWeather1.Source = loadBitmap(ReplaceColor(AppDomain.CurrentDomain.BaseDirectory + @"\weather\" + imgUrl, 255, 255, 255, color.R, color.G, color.B));
                        this.imgWeather2.Source = loadBitmap(ReplaceColor(AppDomain.CurrentDomain.BaseDirectory + @"\weather\" + imgUrl, 255, 255, 255, color.R, color.G, color.B));
                    }
                    catch (Exception ex)
                    {

                        Log.MyLog.WriteLogFile("BindWeather：" + ex.ToString(), "WeatherControl");
                    }
                    
                }                
            }
            catch (Exception e)
            {
                this.Width = 0;
                this.Height = 0;
            }
        }

        public void Dispose()
        {
            if (WeatherTimer != null)
                WeatherTimer.Stop();
        }
        
       
        
        #region 图片指定颜色替换成另一种颜色
        /// <summary>
        /// 指定颜色替换成另一种颜色
        /// </summary>
        /// <param name="img">原图</param>
        /// <param name="w">图宽</param>
        /// <param name="h">图高</param>
        /// <param name="R">要被替换颜色的RGB的R</param>
        /// <param name="G">要被替换颜色的RGB的G</param>
        /// <param name="B">要被替换颜色的RGB的B</param>
        /// <param name="r">替换色的RGB的R</param>
        /// <param name="g">替换色的RGB的G</param>
        /// <param name="b">替换色的RGB的B</param>
        /// <returns>处理后的结果图像</returns>
        public System.Drawing.Bitmap ReplaceColor(string filePath,int R, int G, int B, int r, int g, int b)
        {
            System.Drawing.Bitmap img = new System.Drawing.Bitmap(filePath);
            System.Drawing.Bitmap bt = new System.Drawing.Bitmap(ConvertTo32bpp(img));
            System.Drawing.Rectangle rect = new System.Drawing.Rectangle(0, 0, img.Width, img.Height);
            System.Drawing.Imaging.BitmapData bmpdata = bt.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite, bt.PixelFormat);
            IntPtr ptr = bmpdata.Scan0;
            int bytes = Math.Abs(bmpdata.Stride) * bt.Height;
            byte[] rgbValues = new byte[bytes];
            System.Runtime.InteropServices.Marshal.Copy(ptr, rgbValues, 0, bytes);
            int len = rgbValues.Length;
            byte a = (byte)int.Parse(100.ToString());
            byte R1 = (byte)R;
            byte G1 = (byte)G;
            byte B1 = (byte)B;
            byte r1 = (byte)r;
            byte g1 = (byte)g;
            byte b1 = (byte)b;
            for (int i = 0; i < len; i += 4)
            {
                //Format32bppRgb是用4个字节表示一个像素,第一个字节表示RGB的B值,第一个表示为G值,第三个表示为R值,第四个表示为Alpha值
                if (Math.Abs(rgbValues[i] - B1) < a && Math.Abs(rgbValues[i + 1] - G1) < a && Math.Abs(rgbValues[i + 2] - R1) < a)
                {
                    rgbValues[i] = b1;
                    rgbValues[i + 1] = g1;
                    rgbValues[i + 2] = r1;
                }
            }
            System.Runtime.InteropServices.Marshal.Copy(rgbValues, 0, ptr, bytes);
            bt.UnlockBits(bmpdata);          
            return Conver_1(bt,bt.Width,bt.Height);
        }
        #endregion    
        /// <summary>
        /// Image图像转化为32位位图
        /// </summary>
        /// <param name="img"></param>
        /// <returns></returns>
        public System.Drawing.Bitmap ConvertTo32bpp(System.Drawing.Image img)
        {
            var bmp = new System.Drawing.Bitmap(img.Width, img.Height, System.Drawing.Imaging.PixelFormat.Format32bppRgb);
            using (var gr = System.Drawing.Graphics.FromImage(bmp))
                gr.DrawImage(img, new System.Drawing.Rectangle(0, 0, img.Width, img.Height));
            return bmp;
        }
        #region 图片背景透明化 Conver_1(Bitmap img, int w, int h)
        public System.Drawing.Bitmap Conver_1(System.Drawing.Bitmap img, int w, int h)
        {
            System.Drawing.Bitmap bt = new System.Drawing.Bitmap(ConvertTo32bpp(img));
            System.Drawing.Rectangle rect = new System.Drawing.Rectangle(0, 0, bt.Width, bt.Height);
            System.Drawing.Imaging.BitmapData bmpdata = bt.LockBits(rect, System.Drawing.Imaging.ImageLockMode.ReadWrite, bt.PixelFormat);
            IntPtr ptr = bmpdata.Scan0;
            int bytes = Math.Abs(bmpdata.Stride) * bt.Height;
            byte[] rgbValues = new byte[bytes];
            System.Runtime.InteropServices.Marshal.Copy(ptr, rgbValues, 0, bytes);
            int len = rgbValues.Length;
            byte a = (byte)40;//颜色的误差范围
            for (int i = 0; i < len; i += 4)
            {
                //Format32bppRgb是用4个字节表示一个像素,第一个字节表示RGB的B值,第一个表示为G值,第三个表示为R值,第四个表示为Alpha值
                if (Math.Abs(rgbValues[i] - rgbValues[0]) < a && Math.Abs(rgbValues[i + 1] - rgbValues[1]) < a && Math.Abs(rgbValues[i + 2] - rgbValues[2]) < a)
                {
                    rgbValues[i + 3] = (byte)0;
                }
            }
            System.Runtime.InteropServices.Marshal.Copy(rgbValues, 0, ptr, bytes);
            bt.UnlockBits(bmpdata);
            return bt;
        }
        #endregion

       
    }
}