/*

  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.Collections.Generic;

using System.Globalization;

using System.Text;

namespace OpenHardwareMonitor.Hardware.ATI {

  internal class ATIGroup : IGroup {

    private readonly List<ATIGPU> hardware = new List<ATIGPU>();

    private readonly StringBuilder report = new StringBuilder();

    public ATIGroup(ISettings settings) {

      try {

        int status = ADL.ADL_Main_Control_Create(1);

        report.AppendLine("AMD Display Library");

        report.AppendLine();

        report.Append("Status: ");

        report.AppendLine(status == ADL.ADL_OK ? "OK" : 

          status.ToString(CultureInfo.InvariantCulture));

        report.AppendLine();

        if (status == ADL.ADL_OK) {

          int numberOfAdapters = 0;

          ADL.ADL_Adapter_NumberOfAdapters_Get(ref numberOfAdapters);

          report.Append("Number of adapters: "); 

          report.AppendLine(numberOfAdapters.ToString(CultureInfo.InvariantCulture));

          report.AppendLine();

          if (numberOfAdapters > 0) {

            ADLAdapterInfo[] adapterInfo = new ADLAdapterInfo[numberOfAdapters];

            if (ADL.ADL_Adapter_AdapterInfo_Get(adapterInfo) == ADL.ADL_OK)

              for (int i = 0; i < numberOfAdapters; i++) {

                int isActive;

                ADL.ADL_Adapter_Active_Get(adapterInfo[i].AdapterIndex,

                  out isActive);

                int adapterID;

                ADL.ADL_Adapter_ID_Get(adapterInfo[i].AdapterIndex,

                  out adapterID);

                report.Append("AdapterIndex: "); 

                report.AppendLine(i.ToString(CultureInfo.InvariantCulture));

                report.Append("isActive: "); 

                report.AppendLine(isActive.ToString(CultureInfo.InvariantCulture));

                report.Append("AdapterName: "); 

                report.AppendLine(adapterInfo[i].AdapterName);     

                report.Append("UDID: ");

                report.AppendLine(adapterInfo[i].UDID);

                report.Append("Present: ");

                report.AppendLine(adapterInfo[i].Present.ToString(

                  CultureInfo.InvariantCulture));

                report.Append("VendorID: 0x");

                report.AppendLine(adapterInfo[i].VendorID.ToString("X",

                  CultureInfo.InvariantCulture));

                report.Append("BusNumber: ");

                report.AppendLine(adapterInfo[i].BusNumber.ToString(

                  CultureInfo.InvariantCulture));

                report.Append("DeviceNumber: ");

                report.AppendLine(adapterInfo[i].DeviceNumber.ToString(

                 CultureInfo.InvariantCulture));

                report.Append("FunctionNumber: ");

                report.AppendLine(adapterInfo[i].FunctionNumber.ToString(

                  CultureInfo.InvariantCulture));

                report.Append("AdapterID: 0x");

                report.AppendLine(adapterID.ToString("X", 

                  CultureInfo.InvariantCulture));

                if (!string.IsNullOrEmpty(adapterInfo[i].UDID) &&

                  adapterInfo[i].VendorID == ADL.ATI_VENDOR_ID) 

                {

                  bool found = false;

                  foreach (ATIGPU gpu in hardware)

                    if (gpu.BusNumber == adapterInfo[i].BusNumber &&

                      gpu.DeviceNumber == adapterInfo[i].DeviceNumber) {

                      found = true;

                      break;

                    }

                  if (!found)

                    hardware.Add(new ATIGPU(

                      adapterInfo[i].AdapterName.Trim(),

                      adapterInfo[i].AdapterIndex,

                      adapterInfo[i].BusNumber,

                      adapterInfo[i].DeviceNumber, settings));

                }

                report.AppendLine();

              }

          }

        }

      } catch (DllNotFoundException) { } 

        catch (EntryPointNotFoundException e) {

          report.AppendLine();

          report.AppendLine(e.ToString());

          report.AppendLine();        

        }

    }

    public IHardware[] Hardware {

      get {

        return hardware.ToArray();

      }

    }

    public string GetReport() {

      return report.ToString();

    }

    public void Close() {

      try {

        foreach (ATIGPU gpu in hardware)

          gpu.Close();

        ADL.ADL_Main_Control_Destroy();

      } catch (Exception) { }

    }

  }

}