/*

  * This file is part of the libCEC(R) library.

  *

  * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited.    All rights reserved.

  * libCEC(R) is an original work, containing original code.

  *

  * libCEC(R) is a trademark of Pulse-Eight Limited.

  *

  * This program is dual-licensed; you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation; either version 2 of the License, or

  * (at your option) any later version.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.    See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program; if not, write to the Free Software

  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

  *

  *

  * Alternatively, you can license this library under a commercial license,

  * please contact Pulse-Eight Licensing for more information.

  *

  * For more information contact:

  * Pulse-Eight Licensing             <license@pulse-eight.com>

  *         http://www.pulse-eight.com/

  *         http://www.pulse-eight.net/

  */

 using System;

 using System.Text;

 using CecSharp;

 namespace Cec

 {

     class Client : CecCallbackMethods

     {

         /// <summary>

         /// 

         /// </summary>

         /// <param name="aDeviceName"></param>

         /// <param name="aHdmiPort"></param>

         public Client(string aDeviceName, byte aHdmiPort)

         {

             Config = new LibCECConfiguration();

             Config.DeviceTypes.Types[0] = CecDeviceType.Tv;

             Config.DeviceName = aDeviceName;

             Config.HDMIPort = aHdmiPort;

             //Config.ClientVersion = LibCECConfiguration.CurrentVersion;

             Config.SetCallbacks(this);

             LogLevel = (int)CecLogLevel.All;

             iLib = new LibCecSharp(Config);

             iLib.InitVideoStandalone();

             //Console.WriteLine("CEC Parser created - libCEC version " + Lib.VersionToString(Config.ServerVersion));

             Console.WriteLine("CEC Parser created - libCEC version " + Config.ServerVersion);

         }

         public virtual int ReceiveAlert(CecAlert alert, CecParameter data)

         {

             return 1;

         }

         public virtual int ReceiveMenuStateChange(CecMenuState newVal)

         {

             return 1;

         }

         public virtual void SourceActivated(CecLogicalAddress logicalAddress, bool activated)

         {

             return;

         }

         public override int ReceiveCommand(CecCommand command)

         {

             return 1;

         }

         public override int ReceiveKeypress(CecKeypress key)

         {

             return 1;

         }

         public override int ReceiveLogMessage(CecLogMessage message)

         {

             if (((int)message.Level & LogLevel) == (int)message.Level)

             {

                 string strLevel = "";

                 switch (message.Level)

                 {

                     case CecLogLevel.Error:

                         strLevel = "ERROR:     ";

                         break;

                     case CecLogLevel.Warning:

                         strLevel = "WARNING: ";

                         break;

                     case CecLogLevel.Notice:

                         strLevel = "NOTICE:    ";

                         break;

                     case CecLogLevel.Traffic:

                         strLevel = "TRAFFIC: ";

                         break;

                     case CecLogLevel.Debug:

                         strLevel = "DEBUG:     ";

                         break;

                     default:

                         break;

                 }

                 string strLog = string.Format("{0} {1,16} {2}", strLevel, message.Time, message.Message);

                 Console.WriteLine(strLog);

             }

             return 1;

         }

         /// <summary>

         /// 

         /// </summary>

         /// <param name="timeout"></param>

         /// <returns></returns>

         public bool Connect(int timeout)

         {

             CecAdapter[] adapters = iLib.FindAdapters(string.Empty);

             if (adapters.Length > 0)

                 return Connect(adapters[0].ComPort, timeout);

             else

             {

                 Console.WriteLine("Did not find any CEC adapters");

                 return false;

             }

         }

         public bool Connect(string port, int timeout)

         {

             return iLib.Open(port, timeout);

         }

         public void Close()

         {

             iLib.Close();

         }

         public void ListDevices()

         {

             int iAdapter = 0;

             foreach (CecAdapter adapter in iLib.FindAdapters(string.Empty))

             {

                 Console.WriteLine("Adapter:    " + iAdapter++);

                 Console.WriteLine("Path:         " + adapter.Path);

                 Console.WriteLine("Com port: " + adapter.ComPort);

             }

         }

         void ShowConsoleHelp()

         {

             Console.WriteLine(

                 "================================================================================" + Environment.NewLine +

                 "Available commands:" + Environment.NewLine +

                 Environment.NewLine +

                 "[tx] {bytes}                            transfer bytes over the CEC line." + Environment.NewLine +

                 "[txn] {bytes}                         transfer bytes but don't wait for transmission ACK." + Environment.NewLine +

                 "[on] {address}                        power on the device with the given logical address." + Environment.NewLine +

                 "[standby] {address}             put the device with the given address in standby mode." + Environment.NewLine +

                 "[la] {logical_address}        change the logical address of the CEC adapter." + Environment.NewLine +

                 "[pa] {physical_address}     change the physical address of the CEC adapter." + Environment.NewLine +

                 "[osd] {addr} {string}         set OSD message on the specified device." + Environment.NewLine +

                 "[ver] {addr}                            get the CEC version of the specified device." + Environment.NewLine +

                 "[ven] {addr}                            get the vendor ID of the specified device." + Environment.NewLine +

                 "[lang] {addr}                         get the menu language of the specified device." + Environment.NewLine +

                 "[pow] {addr}                            get the power status of the specified device." + Environment.NewLine +

                 "[poll] {addr}                         poll the specified device." + Environment.NewLine +

                 "[scan]                                        scan the CEC bus and display device info" + Environment.NewLine +

                 "[mon] {1|0}                             enable or disable CEC bus monitoring." + Environment.NewLine +

                 "[log] {1 - 31}                        change the log level. see cectypes.h for values." + Environment.NewLine +

                 "[ping]                                        send a ping command to the CEC adapter." + Environment.NewLine +

                 "[bl]                                            to let the adapter enter the bootloader, to upgrade" + Environment.NewLine +

                 "                                                    the flash rom." + Environment.NewLine +

                 "[r]                                             reconnect to the CEC adapter." + Environment.NewLine +

                 "[h] or [help]                         show this help." + Environment.NewLine +

                 "[q] or [quit]                         to quit the CEC test client and switch off all" + Environment.NewLine +

                 "                                                    connected CEC devices." + Environment.NewLine +

                 "================================================================================");

         }

         public void MainLoop()

         {

             bool bContinue = true;

             string command;

             while (bContinue)

             {

                 Console.WriteLine("waiting for input");

                 command = Console.ReadLine();

                 if (command != null && command.Length == 0)

                     continue;

                 string[] splitCommand = command.Split(' ');

                 if (splitCommand[0] == "tx" || splitCommand[0] == "txn")

                 {

                     CecCommand bytes = new CecCommand();

                     for (int iPtr = 1; iPtr < splitCommand.Length; iPtr++)

                     {

                         bytes.PushBack(byte.Parse(splitCommand[iPtr], System.Globalization.NumberStyles.HexNumber));

                     }

                     if (command == "txn")

                         bytes.TransmitTimeout = 0;

                     iLib.Transmit(bytes);

                 }

                 else if (splitCommand[0] == "on")

                 {

                     if (splitCommand.Length > 1)

                         iLib.PowerOnDevices((CecLogicalAddress)byte.Parse(splitCommand[1], System.Globalization.NumberStyles.HexNumber));

                     else

                         iLib.PowerOnDevices(CecLogicalAddress.Broadcast);

                 }

                 else if (splitCommand[0] == "standby")

                 {

                     if (splitCommand.Length > 1)

                         iLib.StandbyDevices((CecLogicalAddress)byte.Parse(splitCommand[1], System.Globalization.NumberStyles.HexNumber));

                     else

                         iLib.StandbyDevices(CecLogicalAddress.Broadcast);

                 }

                 else if (splitCommand[0] == "poll")

                 {

                     bool bSent = false;

                     if (splitCommand.Length > 1)

                         bSent = iLib.PollDevice((CecLogicalAddress)byte.Parse(splitCommand[1], System.Globalization.NumberStyles.HexNumber));

                     else

                         bSent = iLib.PollDevice(CecLogicalAddress.Broadcast);

                     if (bSent)

                         Console.WriteLine("POLL message sent");

                     else

                         Console.WriteLine("POLL message not sent");

                 }

                 else if (splitCommand[0] == "la")

                 {

                     if (splitCommand.Length > 1)

                         iLib.SetLogicalAddress((CecLogicalAddress)byte.Parse(splitCommand[1], System.Globalization.NumberStyles.HexNumber));

                 }

                 else if (splitCommand[0] == "pa")

                 {

                     if (splitCommand.Length > 1)

                         iLib.SetPhysicalAddress(ushort.Parse(splitCommand[1], System.Globalization.NumberStyles.HexNumber));

                 }

                 else if (splitCommand[0] == "osd")

                 {

                     if (splitCommand.Length > 2)

                     {

                         StringBuilder osdString = new StringBuilder();

                         for (int iPtr = 1; iPtr < splitCommand.Length; iPtr++)

                         {

                             osdString.Append(splitCommand[iPtr]);

                             if (iPtr != splitCommand.Length - 1)

                                 osdString.Append(" ");

                         }

                         iLib.SetOSDString((CecLogicalAddress)byte.Parse(splitCommand[1], System.Globalization.NumberStyles.HexNumber), CecDisplayControl.DisplayForDefaultTime, osdString.ToString());

                     }

                 }

                 else if (splitCommand[0] == "ping")

                 {

                     iLib.PingAdapter();

                 }

                 else if (splitCommand[0] == "mon")

                 {

                     bool enable = splitCommand.Length > 1 ? splitCommand[1] == "1" : false;

                     iLib.SwitchMonitoring(enable);

                 }

                 else if (splitCommand[0] == "bl")

                 {

                     iLib.StartBootloader();

                 }

                 else if (splitCommand[0] == "lang")

                 {

                     if (splitCommand.Length > 1)

                     {

                         string language = iLib.GetDeviceMenuLanguage((CecLogicalAddress)byte.Parse(splitCommand[1], System.Globalization.NumberStyles.HexNumber));

                         Console.WriteLine("Menu language: " + language);

                     }

                 }

                 else if (splitCommand[0] == "ven")

                 {

                     if (splitCommand.Length > 1)

                     {

                         CecVendorId vendor = iLib.GetDeviceVendorId((CecLogicalAddress)byte.Parse(splitCommand[1], System.Globalization.NumberStyles.HexNumber));

                         Console.WriteLine("Vendor ID: " + iLib.ToString(vendor));

                     }

                 }

                 else if (splitCommand[0] == "ver")

                 {

                     if (splitCommand.Length > 1)

                     {

                         CecVersion version = iLib.GetDeviceCecVersion((CecLogicalAddress)byte.Parse(splitCommand[1], System.Globalization.NumberStyles.HexNumber));

                         Console.WriteLine("CEC version: " + iLib.ToString(version));

                     }

                 }

                 else if (splitCommand[0] == "pow")

                 {

                     if (splitCommand.Length > 1)

                     {

                         CecPowerStatus power = iLib.GetDevicePowerStatus((CecLogicalAddress)byte.Parse(splitCommand[1], System.Globalization.NumberStyles.HexNumber));

                         Console.WriteLine("power status: " + iLib.ToString(power));

                     }

                 }

                 else if (splitCommand[0] == "r")

                 {

                     Console.WriteLine("closing the connection");

                     iLib.Close();

                     Console.WriteLine("opening a new connection");

                     Connect(10000);

                     Console.WriteLine("setting active source");

                     iLib.SetActiveSource(CecDeviceType.PlaybackDevice);

                 }

                 else if (splitCommand[0] == "scan")

                 {

                     StringBuilder output = new StringBuilder();

                     output.AppendLine("CEC bus information");

                     output.AppendLine("===================");

                     CecLogicalAddresses addresses = iLib.GetActiveDevices();

                     for (int iPtr = 0; iPtr < addresses.Addresses.Length; iPtr++)

                     {

                         CecLogicalAddress address = (CecLogicalAddress)iPtr;

                         if (!addresses.IsSet(address))

                             continue;

                         CecVendorId iVendorId = iLib.GetDeviceVendorId(address);

                         bool bActive = iLib.IsActiveDevice(address);

                         ushort iPhysicalAddress = iLib.GetDevicePhysicalAddress(address);

                         string strAddr = "todo: fixme"; //Lib.PhysicalAddressToString(iPhysicalAddress);

                         CecVersion iCecVersion = iLib.GetDeviceCecVersion(address);

                         CecPowerStatus power = iLib.GetDevicePowerStatus(address);

                         string osdName = iLib.GetDeviceOSDName(address);

                         string lang = iLib.GetDeviceMenuLanguage(address);

                         output.AppendLine("device #" + iPtr + ": " + iLib.ToString(address));

                         output.AppendLine("address:             " + strAddr);

                         output.AppendLine("active source: " + (bActive ? "yes" : "no"));

                         output.AppendLine("vendor:                " + iLib.ToString(iVendorId));

                         output.AppendLine("osd string:        " + osdName);

                         output.AppendLine("CEC version:     " + iLib.ToString(iCecVersion));

                         output.AppendLine("power status:    " + iLib.ToString(power));

                         if (!string.IsNullOrEmpty(lang))

                             output.AppendLine("language:            " + lang);

                         output.AppendLine("");

                     }

                     Console.WriteLine(output.ToString());

                 }

                 else if (splitCommand[0] == "h" || splitCommand[0] == "help")

                     ShowConsoleHelp();

                 else if (splitCommand[0] == "q" || splitCommand[0] == "quit")

                     bContinue = false;

                 else if (splitCommand[0] == "log" && splitCommand.Length > 1)

                     LogLevel = int.Parse(splitCommand[1]);                

             }

         }

         /// TODO: remove that

         static void Main(string[] args)

         {

             Client p = new Client("CEC",2);

             if (p.Connect(10000))

             {

                 p.MainLoop();

             }

             else

             {

                 Console.WriteLine("Could not open a connection to the CEC adapter");

             }

         }

         /// <summary>

         /// Provide direct access to CEC library

         /// </summary>

         public LibCecSharp Lib

         {

             get

             {

                 return iLib;

             }

         }

         /// <summary>

         /// 

         /// </summary>

         private int LogLevel;

         /// <summary>

         /// 

         /// </summary>

         private LibCecSharp iLib;

         /// <summary>

         /// 

         /// </summary>

         private LibCECConfiguration Config;

     }

 }