/** @file
  Configuration application for the EBC Debugger.

  Copyright (c) 2007 - 2016, Intel Corporation. All rights reserved.<BR>
  This program and the accompanying materials
  are licensed and made available under the terms and conditions of the BSD License
  which accompanies this distribution.  The full text of the license may be found at
  http://opensource.org/licenses/bsd-license.php

  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#include <Uefi.h>
#include <Protocol/ShellParameters.h>

#include "EdbCommon.h"
#include "EdbSupport.h"

/**

  The function that displays the utility usage message.

**/
VOID
PrintUsage (
  VOID
  )
{
  Print (
    L"EbcDebuggerConfig Version 1.0\n"
    L"Copyright (C) Intel Corp 2007-2016. All rights reserved.\n"
    L"\n"
    L"Configure EbcDebugger in EFI Shell Environment.\n"
    L"\n"
    L"usage: EdbCfg <Command>\n"
    L"  CommandList:\n"
    L"    BO[C|CX|R|E|T|K] <ON|OFF> - Enable/Disable BOC/BOCX/BOR/BOE/BOT/BOK.\n"
//    L"    SHOWINFO                - Show Debugger Information.\n"
    L"\n"
    );
  return;
}

/**

  The function is to show some information.

  @param  DebuggerConfiguration    Point to the EFI_DEBUGGER_CONFIGURATION_PROTOCOL.

**/
VOID
EdbShowInfo (
  EFI_DEBUGGER_CONFIGURATION_PROTOCOL *DebuggerConfiguration
  )
{
  Print (L"Not supported!\n");
  return ;
}

/**

  EdbConfigBreak function.

  @param  DebuggerConfiguration    Point to the EFI_DEBUGGER_CONFIGURATION_PROTOCOL.
  @param  Command                  Point to the command.
  @param  CommandArg               The argument for this command.

**/
VOID
EdbConfigBreak (
  EFI_DEBUGGER_CONFIGURATION_PROTOCOL *DebuggerConfiguration,
  CHAR16                              *Command,
  CHAR16                              *CommandArg
  )
{
  EFI_DEBUGGER_PRIVATE_DATA *DebuggerPrivate;

  DebuggerPrivate = (EFI_DEBUGGER_PRIVATE_DATA *)DebuggerConfiguration->DebuggerPrivateData;

  if (StriCmp (Command, L"BOC") == 0) {
    if (CommandArg == NULL) {
      if ((DebuggerPrivate->FeatureFlags & EFI_DEBUG_FLAG_EBC_BOC) == EFI_DEBUG_FLAG_EBC_BOC) {
        Print (L"BOC on\n");
      } else {
        Print (L"BOC off\n");
      }
    } else if (StriCmp (CommandArg, L"ON") == 0) {
      DebuggerPrivate->FeatureFlags |= EFI_DEBUG_FLAG_EBC_BOC;
    } else if (StriCmp (CommandArg, L"OFF") == 0) {
      DebuggerPrivate->FeatureFlags &= ~EFI_DEBUG_FLAG_EBC_B_BOC;
    } else {
      Print (L"Invalid parameter\n");
    }
  } else if (StriCmp (Command, L"BOCX") == 0) {
    if (CommandArg == NULL) {
      if ((DebuggerPrivate->FeatureFlags & EFI_DEBUG_FLAG_EBC_BOCX) == EFI_DEBUG_FLAG_EBC_BOCX) {
        Print (L"BOCX on\n");
      } else {
        Print (L"BOCX off\n");
      }
    } else if (StriCmp (CommandArg, L"ON") == 0) {
      DebuggerPrivate->FeatureFlags |= EFI_DEBUG_FLAG_EBC_BOCX;
    } else if (StriCmp (CommandArg, L"OFF") == 0) {
      DebuggerPrivate->FeatureFlags &= ~EFI_DEBUG_FLAG_EBC_B_BOCX;
    } else {
      Print (L"Invalid parameter\n");
    }
  } else if (StriCmp (Command, L"BOR") == 0) {
    if (CommandArg == NULL) {
      if ((DebuggerPrivate->FeatureFlags & EFI_DEBUG_FLAG_EBC_BOR) == EFI_DEBUG_FLAG_EBC_BOR) {
        Print (L"BOR on\n");
      } else {
        Print (L"BOR off\n");
      }
    } else if (StriCmp (CommandArg, L"ON") == 0) {
      DebuggerPrivate->FeatureFlags |= EFI_DEBUG_FLAG_EBC_BOR;
    } else if (StriCmp (CommandArg, L"OFF") == 0) {
      DebuggerPrivate->FeatureFlags &= ~EFI_DEBUG_FLAG_EBC_B_BOR;
    } else {
      Print (L"Invalid parameter\n");
    }
  } else if (StriCmp (Command, L"BOE") == 0) {
    if (CommandArg == NULL) {
      if ((DebuggerPrivate->FeatureFlags & EFI_DEBUG_FLAG_EBC_BOE) == EFI_DEBUG_FLAG_EBC_BOE) {
        Print (L"BOE on\n");
      } else {
        Print (L"BOE off\n");
      }
    } else if (StriCmp (CommandArg, L"ON") == 0) {
      DebuggerPrivate->FeatureFlags |= EFI_DEBUG_FLAG_EBC_BOE;
    } else if (StriCmp (CommandArg, L"OFF") == 0) {
      DebuggerPrivate->FeatureFlags &= ~EFI_DEBUG_FLAG_EBC_B_BOE;
    } else {
      Print (L"Invalid parameter\n");
    }
  } else if (StriCmp (Command, L"BOT") == 0) {
    if (CommandArg == NULL) {
      if ((DebuggerPrivate->FeatureFlags & EFI_DEBUG_FLAG_EBC_BOT) == EFI_DEBUG_FLAG_EBC_BOT) {
        Print (L"BOT on\n");
      } else {
        Print (L"BOT off\n");
      }
    } else if (StriCmp (CommandArg, L"ON") == 0) {
      DebuggerPrivate->FeatureFlags |= EFI_DEBUG_FLAG_EBC_BOT;
    } else if (StriCmp (CommandArg, L"OFF") == 0) {
      DebuggerPrivate->FeatureFlags &= ~EFI_DEBUG_FLAG_EBC_B_BOT;
    } else {
      Print (L"Invalid parameter\n");
    }
  } else if (StriCmp (Command, L"BOK") == 0) {
    if (CommandArg == NULL) {
      if ((DebuggerPrivate->FeatureFlags & EFI_DEBUG_FLAG_EBC_BOK) == EFI_DEBUG_FLAG_EBC_BOK) {
        Print (L"BOK on\n");
      } else {
        Print (L"BOK off\n");
      }
    } else if (StriCmp (CommandArg, L"ON") == 0) {
      DebuggerPrivate->FeatureFlags |= EFI_DEBUG_FLAG_EBC_BOK;
    } else if (StriCmp (CommandArg, L"OFF") == 0) {
      DebuggerPrivate->FeatureFlags &= ~EFI_DEBUG_FLAG_EBC_B_BOK;
    } else {
      Print (L"Invalid parameter\n");
    }
  }
  return ;
}

/**
  Alter the EBC Debugger configuration.

  @param[in]  ImageHandle        The image handle.
  @param[in]  SystemTable        The system table.

  @retval EFI_SUCCESS            Operation completed successfully.
  @retval EFI_INVALID_PARAMETER  Usage error.
  @retval EFI_NOT_FOUND          A running debugger cannot be located.
**/
EFI_STATUS
EFIAPI
InitializeEbcDebuggerConfig (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  UINTN                               Argc;
  CHAR16                              **Argv;
  EFI_SHELL_PARAMETERS_PROTOCOL       *ShellParameters;
  EFI_DEBUGGER_CONFIGURATION_PROTOCOL *DebuggerConfiguration;
  EFI_STATUS                          Status;

  Status = gBS->HandleProtocol (
                  gImageHandle,
                  &gEfiShellParametersProtocolGuid,
                  (VOID**)&ShellParameters
                  );
  if (EFI_ERROR(Status)) {
    Print (L"Please use UEFI Shell to run this application.\n");
    return EFI_INVALID_PARAMETER;
  }

  Argc = ShellParameters->Argc;
  Argv = ShellParameters->Argv;

  if (Argc < 2) {
    PrintUsage ();
    return EFI_INVALID_PARAMETER;
  }

  if (Argc == 2) {
    if ((StrCmp (Argv[1], L"/?") == 0) ||
        (StrCmp (Argv[1], L"-?") == 0) ||
        (StrCmp (Argv[1], L"-h") == 0) ||
        (StrCmp (Argv[1], L"-H") == 0) ) {
      PrintUsage ();
      return EFI_SUCCESS;
    }
  }

  Status = gBS->LocateProtocol (
                 &gEfiDebuggerConfigurationProtocolGuid,
                 NULL,
                 (VOID**)&DebuggerConfiguration
                 );
  if (EFI_ERROR(Status)) {
    Print (L"Error: DebuggerConfiguration protocol not found.\n");
    return EFI_NOT_FOUND;
  }

  if (StriCmp (Argv[1], L"SHOWINFO") == 0) {
    EdbShowInfo (DebuggerConfiguration);
    return EFI_SUCCESS;
  }

  if (((Argc == 2) || (Argc == 3)) &&
      ((StriCmp (Argv[1], L"BOC")  == 0) ||
       (StriCmp (Argv[1], L"BOCX") == 0) ||
       (StriCmp (Argv[1], L"BOR")  == 0) ||
       (StriCmp (Argv[1], L"BOE")  == 0) ||
       (StriCmp (Argv[1], L"BOT")  == 0) ||
       (StriCmp (Argv[1], L"BOK")  == 0))) {
    if (Argc == 3) {
      EdbConfigBreak (DebuggerConfiguration, Argv[1], Argv[2]);
    } else {
      EdbConfigBreak (DebuggerConfiguration, Argv[1], NULL);
    }
    return EFI_SUCCESS;
  }

  Print (L"Error: Invalid Command.\n");
  return EFI_INVALID_PARAMETER;
}