// Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <map>
#include <string>
#include <vector>

#include <base/logging.h>
#include <dbus-c++/dbus.h>

#include "shill/dbus_adaptor.h"
#include "shill/error.h"
#include "shill/property_store_interface.h"

using std::map;
using std::string;
using std::vector;

namespace shill {

// static
const char DBusAdaptor::kStringmapSig[] = "a{ss}";
// static
const char DBusAdaptor::kStringsSig[] = "as";

DBusAdaptor::DBusAdaptor(DBus::Connection* conn, const string &object_path)
    : DBus::ObjectAdaptor(*conn, object_path) {
}

DBusAdaptor::~DBusAdaptor() {}

// static
bool DBusAdaptor::DispatchOnType(PropertyStoreInterface *store,
                                 const string &name,
                                 const ::DBus::Variant &value,
                                 ::DBus::Error &error) {
  bool set = false;
  Error e(Error::kInvalidArguments, "Could not write " + name);

  if (DBusAdaptor::IsBool(value.signature()))
    set = store->SetBoolProperty(name, value.reader().get_bool(), &e);
  else if (DBusAdaptor::IsByte(value.signature()))
    set = store->SetUint8Property(name, value.reader().get_byte(), &e);
  else if (DBusAdaptor::IsInt16(value.signature()))
    set = store->SetInt16Property(name, value.reader().get_int16(), &e);
  else if (DBusAdaptor::IsInt32(value.signature()))
    set = store->SetInt32Property(name, value.reader().get_int32(), &e);
  else if (DBusAdaptor::IsString(value.signature()))
    set = store->SetStringProperty(name, value.reader().get_string(), &e);
  else if (DBusAdaptor::IsStringmap(value.signature()))
    set = store->SetStringmapProperty(name,
                                      value.operator map<string, string>(),
                                      &e);
  else if (DBusAdaptor::IsStrings(value.signature()))
    set = store->SetStringsProperty(name, value.operator vector<string>(), &e);
  else if (DBusAdaptor::IsUint16(value.signature()))
    set = store->SetUint16Property(name, value.reader().get_uint16(), &e);
  else if (DBusAdaptor::IsUint32(value.signature()))
    set = store->SetUint32Property(name, value.reader().get_uint32(), &e);
  else
    NOTREACHED();

  if (!set)
    e.ToDBusError(&error);
  return set;
}

// static
::DBus::Variant DBusAdaptor::BoolToVariant(bool value) {
  ::DBus::Variant v;
  v.writer().append_bool(value);
  return v;
}

// static
::DBus::Variant DBusAdaptor::ByteToVariant(uint8 value) {
  ::DBus::Variant v;
  v.writer().append_byte(value);
  return v;
}

// static
::DBus::Variant DBusAdaptor::Int16ToVariant(int16 value) {
  ::DBus::Variant v;
  v.writer().append_int16(value);
  return v;
}

// static
::DBus::Variant DBusAdaptor::Int32ToVariant(int32 value) {
  ::DBus::Variant v;
  v.writer().append_int32(value);
  return v;
}

// static
::DBus::Variant DBusAdaptor::StringToVariant(const string &value) {
  ::DBus::Variant v;
  v.writer().append_string(value.c_str());
  return v;
}

// static
::DBus::Variant DBusAdaptor::StringmapToVariant(
    const map<string, string> &value) {
  ::DBus::Variant v;
  ::DBus::MessageIter writer = v.writer();
  writer << value;
  return v;
}

// static
::DBus::Variant DBusAdaptor::StringsToVariant(const vector<string> &value) {
  ::DBus::Variant v;
  ::DBus::MessageIter writer = v.writer();
  writer << value;
  return v;
}

// static
::DBus::Variant DBusAdaptor::Uint16ToVariant(uint16 value) {
  ::DBus::Variant v;
  v.writer().append_uint16(value);
  return v;
}

// static
::DBus::Variant DBusAdaptor::Uint32ToVariant(uint32 value) {
  ::DBus::Variant v;
  v.writer().append_uint32(value);
  return v;
}

// static
bool DBusAdaptor::IsBool(::DBus::Signature signature) {
  return signature == ::DBus::type<bool>::sig();
}

// static
bool DBusAdaptor::IsByte(::DBus::Signature signature) {
  return signature == ::DBus::type<uint8>::sig();
}

// static
bool DBusAdaptor::IsInt16(::DBus::Signature signature) {
  return signature == ::DBus::type<int16>::sig();
}

// static
bool DBusAdaptor::IsInt32(::DBus::Signature signature) {
  return signature == ::DBus::type<int32>::sig();
}

// static
bool DBusAdaptor::IsString(::DBus::Signature signature) {
  return signature == ::DBus::type<string>::sig();
}

// static
bool DBusAdaptor::IsStringmap(::DBus::Signature signature) {
  return signature == DBusAdaptor::kStringmapSig;
}

// static
bool DBusAdaptor::IsStrings(::DBus::Signature signature) {
  return signature == DBusAdaptor::kStringsSig;
}

// static
bool DBusAdaptor::IsUint16(::DBus::Signature signature) {
  return signature == ::DBus::type<uint16>::sig();
}

// static
bool DBusAdaptor::IsUint32(::DBus::Signature signature) {
  return signature == ::DBus::type<uint32>::sig();
}

}  // namespace shill