/** @file
  Main file for Ver shell level 3 function.

  (C) Copyright 2016 Hewlett Packard Enterprise Development LP<BR>
  (C) Copyright 2013-2015 Hewlett-Packard Development Company, L.P.<BR>
  Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
  SPDX-License-Identifier: BSD-2-Clause-Patent

**/

#include "UefiShellLevel3CommandsLib.h"

#include <Library/ShellLib.h>

STATIC CONST SHELL_PARAM_ITEM  ParamList[] = {
  { L"-s",     TypeFlag },
  { L"-terse", TypeFlag },
  { L"-t",     TypeFlag },
  { L"-_pa",   TypeFlag },
  { NULL,      TypeMax  }
};

/** Main function of the 'Ver' command.

  @param[in] Package    List of input parameter for the command.
**/
STATIC
SHELL_STATUS
MainCmdVer (
  LIST_ENTRY  *Package
  )
{
  SHELL_STATUS  ShellStatus;
  UINT8         Level;

  Level       = PcdGet8 (PcdShellSupportLevel);
  ShellStatus = SHELL_SUCCESS;

  //
  // check for "-?"
  //
  if (ShellCommandLineGetFlag (Package, L"-?")) {
    ASSERT (FALSE);
  }

  if (ShellCommandLineGetRawValue (Package, 1) != NULL) {
    //
    // we have too many parameters
    //
    ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_TOO_MANY), gShellLevel3HiiHandle, L"ver");
    return SHELL_INVALID_PARAMETER;
  }

  if (ShellCommandLineGetFlag (Package, L"-s")) {
    if (ShellCommandLineGetFlag (Package, L"-terse") || ShellCommandLineGetFlag (Package, L"-t")) {
      ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_PARAM_CONFLICT), gShellLevel3HiiHandle, L"ver", L"-t or -terse", L"-s");
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      ShellPrintHiiEx (
        0,
        gST->ConOut->Mode->CursorRow,
        NULL,
        STRING_TOKEN (STR_VER_OUTPUT_SIMPLE),
        gShellLevel3HiiHandle,
        gEfiShellProtocol->MajorVersion,
        gEfiShellProtocol->MinorVersion
        );
    }
  } else {
    ShellPrintHiiEx (
      0,
      gST->ConOut->Mode->CursorRow,
      NULL,
      STRING_TOKEN (STR_VER_OUTPUT_SHELL),
      gShellLevel3HiiHandle,
      SupportLevel[Level],
      gEfiShellProtocol->MajorVersion,
      gEfiShellProtocol->MinorVersion
      );
    if (!ShellCommandLineGetFlag (Package, L"-terse") && !ShellCommandLineGetFlag (Package, L"-t")) {
      ShellPrintHiiDefaultEx (
        STRING_TOKEN (STR_VER_OUTPUT_SUPPLIER),
        gShellLevel3HiiHandle,
        (CHAR16 *)PcdGetPtr (PcdShellSupplier)
        );

      ShellPrintHiiDefaultEx (
        STRING_TOKEN (STR_VER_OUTPUT_UEFI),
        gShellLevel3HiiHandle,
        (gST->Hdr.Revision&0xffff0000)>>16,
        (gST->Hdr.Revision&0x0000ffff),
        gST->FirmwareVendor,
        gST->FirmwareRevision
        );
    }
  }

  //
  // implementation specific support for displaying processor architecture
  //
  if (ShellCommandLineGetFlag (Package, L"-_pa")) {
    ShellPrintDefaultEx (L"%d\r\n", sizeof (UINTN) == sizeof (UINT64) ? 64 : 32);
  }

  return ShellStatus;
}

/**
  Function for 'ver' command.

  @param[in] ImageHandle  Handle to the Image (NULL if Internal).
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).
**/
SHELL_STATUS
EFIAPI
ShellCommandRunVer (
  IN EFI_HANDLE        ImageHandle,
  IN EFI_SYSTEM_TABLE  *SystemTable
  )
{
  EFI_STATUS    Status;
  LIST_ENTRY    *Package;
  CHAR16        *ProblemParam;
  SHELL_STATUS  ShellStatus;

  ProblemParam = NULL;
  ShellStatus  = SHELL_SUCCESS;

  //
  // initialize the shell lib (we must be in non-auto-init...)
  //
  Status = ShellInitialize ();
  ASSERT_EFI_ERROR (Status);

  Status = CommandInit ();
  ASSERT_EFI_ERROR (Status);

  //
  // parse the command line
  //
  Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
  if (EFI_ERROR (Status)) {
    if ((Status == EFI_VOLUME_CORRUPTED) && (ProblemParam != NULL)) {
      ShellPrintHiiDefaultEx (STRING_TOKEN (STR_GEN_PROBLEM), gShellLevel3HiiHandle, L"ver", ProblemParam);
      FreePool (ProblemParam);
      ShellStatus = SHELL_INVALID_PARAMETER;
    } else {
      ASSERT (FALSE);
    }

    return ShellStatus;
  }

  ShellStatus = MainCmdVer (Package);

  //
  // free the command line package
  //
  ShellCommandLineFreeVarList (Package);

  return (ShellStatus);
}