// Copyright 2014 The Chromium 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 "extensions/common/permissions/settings_override_permission.h"

#include "base/strings/utf_string_conversions.h"
#include "grit/extensions_strings.h"
#include "ui/base/l10n/l10n_util.h"

namespace extensions {

SettingsOverrideAPIPermission::SettingsOverrideAPIPermission(
    const APIPermissionInfo* permission,
    const std::string& setting_value)
    : APIPermission(permission), setting_value_(setting_value) {}

SettingsOverrideAPIPermission::~SettingsOverrideAPIPermission() {}

bool SettingsOverrideAPIPermission::HasMessages() const {
  return info()->message_id() > PermissionMessage::kNone;
}

PermissionMessages SettingsOverrideAPIPermission::GetMessages() const {
  DCHECK(HasMessages());
  int string_id = -1;
  switch (id()) {
    case kHomepage: {
      string_id = IDS_EXTENSION_PROMPT_WARNING_HOME_PAGE_SETTING_OVERRIDE;
      break;
    }
    case kStartupPages: {
      string_id = IDS_EXTENSION_PROMPT_WARNING_START_PAGE_SETTING_OVERRIDE;
      break;
    }
    case kSearchProvider: {
      string_id = IDS_EXTENSION_PROMPT_WARNING_SEARCH_SETTINGS_OVERRIDE;
      break;
    }
    default:
      NOTREACHED();
  }
  PermissionMessages result;
  result.push_back(
      PermissionMessage(info()->message_id(),
                        l10n_util::GetStringFUTF16(
                            string_id, base::UTF8ToUTF16(setting_value_))));
  return result;
}

bool SettingsOverrideAPIPermission::Check(
    const APIPermission::CheckParam* param) const {
  return (param == NULL);
}

bool SettingsOverrideAPIPermission::Contains(const APIPermission* rhs) const {
  CHECK_EQ(info(), rhs->info());
  return true;
}

bool SettingsOverrideAPIPermission::Equal(const APIPermission* rhs) const {
  if (this != rhs)
    CHECK_EQ(info(), rhs->info());
  return true;
}

bool SettingsOverrideAPIPermission::FromValue(
    const base::Value* value,
    std::string* /*error*/,
    std::vector<std::string>* unhandled_permissions) {
  return (value == NULL);
}

scoped_ptr<base::Value> SettingsOverrideAPIPermission::ToValue() const {
  return scoped_ptr<base::Value>();
}

APIPermission* SettingsOverrideAPIPermission::Clone() const {
  return new SettingsOverrideAPIPermission(info(), setting_value_);
}

APIPermission* SettingsOverrideAPIPermission::Diff(
    const APIPermission* rhs) const {
  CHECK_EQ(info(), rhs->info());
  return NULL;
}

APIPermission* SettingsOverrideAPIPermission::Union(
    const APIPermission* rhs) const {
  CHECK_EQ(info(), rhs->info());
  return new SettingsOverrideAPIPermission(info(), setting_value_);
}

APIPermission* SettingsOverrideAPIPermission::Intersect(
    const APIPermission* rhs) const {
  CHECK_EQ(info(), rhs->info());
  return new SettingsOverrideAPIPermission(info(), setting_value_);
}

void SettingsOverrideAPIPermission::Write(IPC::Message* m) const {}

bool SettingsOverrideAPIPermission::Read(const IPC::Message* m,
                                         PickleIterator* iter) {
  return true;
}

void SettingsOverrideAPIPermission::Log(std::string* log) const {}

}  // namespace extensions