/*

   This Source Code Form is subject to the terms of the Mozilla Public

   License, v. 2.0. If a copy of the MPL was not distributed with this

   file, You can obtain one at http://mozilla.org/MPL/2.0/.

   Copyright (C) 2009-2012 Michael Möller <mmoeller@openhardwaremonitor.org>

 */

 using System;

 using System.Drawing;

 using System.Drawing.Drawing2D;

 using System.Drawing.Imaging;

 using System.Drawing.Text;

 using System.Runtime.InteropServices;

 using System.Windows.Forms;

 using OpenHardwareMonitor.Hardware;

 using OpenHardwareMonitor.Utilities;

 namespace OpenHardwareMonitor.GUI

 {

     public class SensorFrontView : IDisposable

     {

         private UnitManager unitManager;

         private ISensor sensor;

         private Color color;

         private Color darkColor;

         private Font font;

         private Font smallFont;

         public string iFirstLine;

         public string iSecondLine;

         public SensorFrontView(SoundGraphDisplay soundGraphDisplay, ISensor sensor,

           bool balloonTip, PersistentSettings settings, UnitManager unitManager)

         {

             this.unitManager = unitManager;

             this.sensor = sensor;

             // get the default dpi to create an icon with the correct size

             float dpiX, dpiY;

             using (Bitmap b = new Bitmap(1, 1, PixelFormat.Format32bppArgb))

             {

                 dpiX = b.HorizontalResolution;

                 dpiY = b.VerticalResolution;

             }

             // adjust the size of the icon to current dpi (default is 16x16 at 96 dpi) 

             int width = (int)Math.Round(16 * dpiX / 96);

             int height = (int)Math.Round(16 * dpiY / 96);

             // make sure it does never get smaller than 16x16

             width = width < 16 ? 16 : width;

             height = height < 16 ? 16 : height;

             // adjust the font size to the icon size

             FontFamily family = SystemFonts.MessageBoxFont.FontFamily;

             float baseSize;

             switch (family.Name)

             {

                 case "Segoe UI": baseSize = 12; break;

                 case "Tahoma": baseSize = 11; break;

                 default: baseSize = 12; break;

             }

             this.font = new Font(family,

               baseSize * width / 16.0f, GraphicsUnit.Pixel);

             this.smallFont = new Font(family,

               0.75f * baseSize * width / 16.0f, GraphicsUnit.Pixel);

         }

         public ISensor Sensor

         {

             get { return sensor; }

         }

         public Color Color

         {

             get { return color; }

             set

             {

                 this.color = value;

                 this.darkColor = Color.FromArgb(255,

                   this.color.R / 3,

                   this.color.G / 3,

                   this.color.B / 3);

             }

         }

         public void Dispose()

         {

             font.Dispose();

             smallFont.Dispose();

         }

         public string GetString()

         {

             if (!sensor.Value.HasValue)

                 return "-";

             switch (sensor.SensorType)

             {

                 case SensorType.Voltage:

                     return string.Format("{0:F1}", sensor.Value);

                 case SensorType.Clock:

                     return string.Format("{0:F1}", 1e-3f * sensor.Value);

                 case SensorType.Load:

                     return string.Format("{0:F0}", sensor.Value);

                 case SensorType.Temperature:

                     if (unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit)

                         return string.Format("{0:F0}",

                           UnitManager.CelsiusToFahrenheit(sensor.Value));

                     else

                         return string.Format("{0:F0}", sensor.Value);

                 case SensorType.Fan:

                     return string.Format("{0:F1}", 1e-3f * sensor.Value);

                 case SensorType.Flow:

                     return string.Format("{0:F1}", 1e-3f * sensor.Value);

                 case SensorType.Control:

                     return string.Format("{0:F0}", sensor.Value);

                 case SensorType.Level:

                     return string.Format("{0:F0}", sensor.Value);

                 case SensorType.Power:

                     return string.Format("{0:F0}", sensor.Value);

                 case SensorType.Data:

                     return string.Format("{0:F0}", sensor.Value);

                 case SensorType.Factor:

                     return string.Format("{0:F1}", sensor.Value);

             }

             return "-";

         }

         public void Update()

         {

             switch (sensor.SensorType)

             {

                 case SensorType.Load:

                 case SensorType.Control:

                 case SensorType.Level:

                     //notifyIcon.Icon = CreatePercentageIcon();

                     break;

                 default:

                     //notifyIcon.Icon = CreateTransparentIcon();

                     break;

             }

             string format = "";

             switch (sensor.SensorType)

             {

                 case SensorType.Voltage: format = "{0}: {1:F2} V"; break;

                 case SensorType.Clock: format = "{0}: {1:F0} MHz"; break;

                 case SensorType.Load: format = "{0}: {1:F1} %"; break;

                 case SensorType.Temperature: format = "{0}: {1:F1} °C"; break;

                 case SensorType.Fan: format = "{0}: {1:F0} RPM"; break;

                 case SensorType.Flow: format = "{0}: {1:F0} L/h"; break;

                 case SensorType.Control: format = "{0}: {1:F1} %"; break;

                 case SensorType.Level: format = "{0}: {1:F1} %"; break;

                 case SensorType.Power: format = "{0}: {1:F0} W"; break;

                 case SensorType.Data: format = "{0}: {1:F0} GB"; break;

                 case SensorType.Factor: format = "{0}: {1:F3} GB"; break;

             }

             string formattedValue = string.Format(format, sensor.Name, sensor.Value);

             if (sensor.SensorType == SensorType.Temperature &&

               unitManager.TemperatureUnit == TemperatureUnit.Fahrenheit)

             {

                 format = "{0}: {1:F1} °F";

                 formattedValue = string.Format(format, sensor.Name,

                   UnitManager.CelsiusToFahrenheit(sensor.Value));

             }

             iFirstLine = sensor.Hardware.Name;

             iSecondLine = formattedValue;

         }

     }

 }