/*
   +----------------------------------------------------------------------+
   | HipHop for PHP                                                       |
   +----------------------------------------------------------------------+
   | Copyright (c) 2010-2013 Facebook, Inc. (http://www.facebook.com)     |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | http://www.php.net/license/3_01.txt                                  |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
*/

#include "hphp/runtime/debugger/cmd/cmd_global.h"
#include "hphp/runtime/debugger/cmd/cmd_variable.h"

namespace HPHP { namespace Eval {
///////////////////////////////////////////////////////////////////////////////

TRACE_SET_MOD(debugger);

void CmdGlobal::sendImpl(DebuggerThriftBuffer &thrift) {
  DebuggerCommand::sendImpl(thrift);
  thrift.write(m_globals);
}

void CmdGlobal::recvImpl(DebuggerThriftBuffer &thrift) {
  DebuggerCommand::recvImpl(thrift);
  thrift.read(m_globals);
}

void CmdGlobal::help(DebuggerClient &client) {
  client.helpTitle("Global Command");
  client.helpCmds(
    "[g]lobal",           "lists all global variables",
    "[g]lobal {text}",    "full-text search global variables",
    nullptr
  );
  client.helpBody(
    "This will print names and values of all global variables, if {text} is "
    "not speified. Otherwise, it will print global variables that contain the "
    "text in their names or values. The search is case-insensitive and "
    "string-based."
  );
}

void CmdGlobal::onClientImpl(DebuggerClient &client) {
  if (DebuggerCommand::displayedHelp(client)) return;

  String text;
  if (client.argCount() == 1) {
    text = client.argValue(1);
  } else if (client.argCount() != 0) {
    help(client);
    return;
  }

  CmdGlobalPtr cmd = client.xend<CmdGlobal>(this);
  if (cmd->m_globals.empty()) {
    client.info("(no global variable was found)");
  } else {
    m_globals = cmd->m_globals;
    CmdVariable::PrintVariables(client, cmd->m_globals, true, text);
  }
}

void CmdGlobal::setClientOutput(DebuggerClient &client) {
  client.setOutputType(DebuggerClient::OTValues);
  Array values;
  for (ArrayIter iter(m_globals); iter; ++iter) {
    String name = iter.first().toString();
    if (client.getDebuggerClientApiModeSerialize()) {
      values.set(name,
                 DebuggerClient::FormatVariable(iter.second(), 200));
    } else {
      values.set(name, iter.second());
    }
  }
  client.setOTValues(values);
}

bool CmdGlobal::onServer(DebuggerProxy &proxy) {
  m_globals = CmdVariable::GetGlobalVariables();
  return proxy.sendToClient(this);
}

///////////////////////////////////////////////////////////////////////////////
}}