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#include "usage_stats/usage_stats_updater.h"

#include <string>

#include "base/port.h"
#include "base/scoped_ptr.h"
#include "base/system_util.h"
#include "base/util.h"
#include "config/config.pb.h"
#include "config/config_handler.h"
#include "session/commands.pb.h"
#include "testing/base/public/gunit.h"
#include "usage_stats/usage_stats.h"
#include "usage_stats/usage_stats_testing_util.h"

using mozc::config::Config;
using mozc::config::ConfigHandler;

DECLARE_string(test_tmpdir);

namespace mozc {
namespace usage_stats {

class UsageStatsUpdaterTest : public testing::Test {
 protected:
  virtual void SetUp() {
    SystemUtil::SetUserProfileDirectory(FLAGS_test_tmpdir);
    Config config;
    ConfigHandler::GetDefaultConfig(&config);
    ConfigHandler::SetConfig(config);

    UsageStats::ClearAllStatsForTest();
  }

  virtual void TearDown() {
    UsageStats::ClearAllStatsForTest();

    // just in case, reset the config in test_tmpdir
    Config config;
    ConfigHandler::GetDefaultConfig(&config);
    ConfigHandler::SetConfig(config);
  }

 private:
  scoped_usage_stats_enabler usage_stats_enabler_;
};

TEST_F(UsageStatsUpdaterTest, UpdaterTest) {
  const char *kStatsNames[] = {
    // Config stats
    "ConfigSessionKeymap",
    "ConfigPreeditMethod",
    "ConfigCustomRomanTable",
    "ConfigPunctuationMethod",
    "ConfigSymbolMethod",
    "ConfigHistoryLearningLevel",
    "ConfigUseDateConversion",
    "ConfigUseSingleKanjiConversion",
    "ConfigUseSymbolConversion",
    "ConfigUseNumberConversion",
    "ConfigUseEmoticonConversion",
    "ConfigUseCalculator",
    "ConfigUseT13nConversion",
    "ConfigUseZipCodeConversion",
    "ConfigUseSpellingCorrection",
    "ConfigUseEmojiConversion",
    "ConfigIncognito",
    "ConfigSelectionShortcut",
    "ConfigUseHistorySuggest",
    "ConfigUseDictionarySuggest",
    "ConfigUseRealtimeConversion",
    "ConfigSuggestionsSize",
    "ConfigUseAutoIMETurnOff",
    "ConfigUseCascadingWindow",
    "ConfigShiftKeyModeSwitch",
    "ConfigSpaceCharacterForm",
    "ConfigNumpadCharacterForm",
    "ConfigUseAutoConversion",
    "ConfigAutoConversionKey",
    "ConfigYenSignCharacter",
    "ConfigUseJapaneseLayout",
    "IMEActivationKeyCustomized",
    "ConfigAllowCloudHandwriting",
    "ConfigUseLocalUsageDictionary",
    "ConfigUseModeIndicator",

    // Other stats
    "TotalPhysicalMemory",
#ifdef OS_WIN
    "WindowsX64",
    "PerUserInputSettingsEnabled",
    "CuasEnabled",
    "MsctfVerMajor",
    "MsctfVerMinor",
    "MsctfVerBuild",
    "MsctfVerRevision",
#endif  // OS_WIN
#ifdef OS_MACOSX
    "PrelauncherEnabled",
#endif  // OS_MACOSX
#ifdef OS_ANDROID
    "AndroidApiLevel",
#endif  // OS_ANDROID
  };

  for (size_t i = 0; i < arraysize(kStatsNames); ++i) {
    EXPECT_STATS_NOT_EXIST(kStatsNames[i]);
  }

  UsageStatsUpdater::UpdateStats();
  for (size_t i = 0; i < arraysize(kStatsNames); ++i) {
    EXPECT_STATS_EXIST(kStatsNames[i]);
  }

  // These stats should NOT cleared by ClearStats().
  UsageStats::ClearStats();
  for (size_t i = 0; i < arraysize(kStatsNames); ++i) {
    EXPECT_STATS_EXIST(kStatsNames[i]);
  }

  Config config;
  ConfigHandler::GetDefaultConfig(&config);
  const bool current_mode = config.incognito_mode();
  EXPECT_BOOLEAN_STATS("ConfigIncognito", current_mode);

  config.set_incognito_mode(!current_mode);
  ConfigHandler::SetConfig(config);
  UsageStatsUpdater::UpdateStats();
  EXPECT_BOOLEAN_STATS("ConfigIncognito", !current_mode);
}

TEST_F(UsageStatsUpdaterTest, IMEActivationKeyCustomizedTest) {
  {  // Default keymap.
    Config config;
    ConfigHandler::GetDefaultConfig(&config);
    ConfigHandler::SetConfig(config);
    UsageStatsUpdater::UpdateStats();
    EXPECT_BOOLEAN_STATS("IMEActivationKeyCustomized", false);
  }

  {  // Customized keymap. (Activation key is customized)
    const char *kCustomKeymapTable =
        "status\tkey\tcommand\n"
        "DirectInput\tCtrl j\tIMEOn\n"
        "DirectInput\tHenkan\tIMEOn\n"
        "DirectInput\tCtrl k\tIMEOff\n"
        "Precomposition\tCtrl l\tIMEOn\n";

    Config config;
    ConfigHandler::GetDefaultConfig(&config);
    config.set_session_keymap(Config::CUSTOM);
    config.set_custom_keymap_table(kCustomKeymapTable);
    ConfigHandler::SetConfig(config);
    UsageStatsUpdater::UpdateStats();
    EXPECT_BOOLEAN_STATS("IMEActivationKeyCustomized", true);
  }

  {  // Customized keymap. (Activation key is not customized)
    const char *kCustomKeymapTable =
        "status\tkey\tcommand\n"
        "DirectInput\tON\tIMEOn\n"
        "DirectInput\tHankaku/Zenkaku\tIMEOn\n"
        "Precomposition\tOFF\tIMEOff\n"
        "Precomposition\tHankaku/Zenkaku\tIMEOff\n";

    Config config;
    ConfigHandler::GetDefaultConfig(&config);
    config.set_session_keymap(config::Config::CUSTOM);
    config.set_custom_keymap_table(kCustomKeymapTable);
    ConfigHandler::SetConfig(config);
    UsageStatsUpdater::UpdateStats();
    EXPECT_BOOLEAN_STATS("IMEActivationKeyCustomized", false);
  }
}

}  // namespace usage_stats
}  // namespace mozc