// Copyright 2018 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 "ash/system/unified/quiet_mode_feature_pod_controller.h"

#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/session/session_controller.h"
#include "ash/shell.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/system/unified/feature_pod_button.h"
#include "ash/system/unified/unified_system_tray_controller.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/message_center/message_center.h"

using message_center::MessageCenter;

namespace ash {

QuietModeFeaturePodController::QuietModeFeaturePodController(
    UnifiedSystemTrayController* tray_controller)
    : tray_controller_(tray_controller) {
  MessageCenter::Get()->AddObserver(this);
}

QuietModeFeaturePodController::~QuietModeFeaturePodController() {
  Shell::Get()->message_center_controller()->RemoveNotifierSettingsListener(
      this);
  MessageCenter::Get()->RemoveObserver(this);
}

FeaturePodButton* QuietModeFeaturePodController::CreateButton() {
  DCHECK(!button_);
  button_ = new FeaturePodButton(this);
  button_->SetVectorIcon(kUnifiedMenuDoNotDisturbIcon);
  button_->SetVisible(
      Shell::Get()->session_controller()->ShouldShowNotificationTray() &&
      !Shell::Get()->session_controller()->IsScreenLocked());
  button_->SetLabel(
      l10n_util::GetStringUTF16(IDS_ASH_STATUS_TRAY_NOTIFICATIONS_LABEL));
  button_->SetIconTooltip(l10n_util::GetStringUTF16(
      IDS_ASH_STATUS_TRAY_NOTIFICATIONS_TOGGLE_TOOLTIP));
  button_->ShowDetailedViewArrow();
  OnQuietModeChanged(MessageCenter::Get()->IsQuietMode());

  if (button_->visible()) {
    Shell::Get()->message_center_controller()->AddNotifierSettingsListener(
        this);
    Shell::Get()->message_center_controller()->RequestNotifierSettingsUpdate();
  }
  return button_;
}

void QuietModeFeaturePodController::OnIconPressed() {
  MessageCenter* message_center = MessageCenter::Get();
  bool is_quiet_mode = message_center->IsQuietMode();
  message_center->SetQuietMode(!is_quiet_mode);

  if (message_center->IsQuietMode()) {
    base::RecordAction(base::UserMetricsAction("StatusArea_QuietMode_Enabled"));
  } else {
    base::RecordAction(
        base::UserMetricsAction("StatusArea_QuietMode_Disabled"));
  }
}

void QuietModeFeaturePodController::OnLabelPressed() {
  tray_controller_->ShowNotifierSettingsView();
}

SystemTrayItemUmaType QuietModeFeaturePodController::GetUmaType() const {
  return SystemTrayItemUmaType::UMA_QUIET_MODE;
}

void QuietModeFeaturePodController::OnQuietModeChanged(bool in_quiet_mode) {
  Update();
}

void QuietModeFeaturePodController::OnNotifierListUpdated(
    const std::vector<mojom::NotifierUiDataPtr>& ui_data) {
  Update();
}

void QuietModeFeaturePodController::UpdateNotifierIcon(
    const message_center::NotifierId& notifier_id,
    const gfx::ImageSkia& icon) {}

void QuietModeFeaturePodController::Update() {
  bool in_quiet_mode = MessageCenter::Get()->IsQuietMode();
  button_->SetToggled(in_quiet_mode);

  if (in_quiet_mode) {
    button_->SetSubLabel(l10n_util::GetStringUTF16(
        IDS_ASH_STATUS_TRAY_NOTIFICATIONS_DO_NOT_DISTURB_SUBLABEL));
    button_->SetLabelTooltip(l10n_util::GetStringUTF16(
        IDS_ASH_STATUS_TRAY_NOTIFICATIONS_SETTINGS_DO_NOT_DISTURB_TOOLTIP));
    return;
  }

  int disabled_count =
      Shell::Get()->message_center_controller()->disabled_notifier_count();
  if (disabled_count > 0) {
    button_->SetSubLabel(l10n_util::GetPluralStringFUTF16(
        IDS_ASH_STATUS_TRAY_NOTIFICATIONS_OFF_FOR_APPS_SUBLABEL,
        disabled_count));
    button_->SetLabelTooltip(l10n_util::GetPluralStringFUTF16(
        IDS_ASH_STATUS_TRAY_NOTIFICATIONS_SETTINGS_OFF_FOR_APPS_TOOLTIP,
        disabled_count));
  } else {
    button_->SetSubLabel(l10n_util::GetStringUTF16(
        IDS_ASH_STATUS_TRAY_NOTIFICATIONS_ON_SUBLABEL));
    button_->SetLabelTooltip(l10n_util::GetStringUTF16(
        IDS_ASH_STATUS_TRAY_NOTIFICATIONS_SETTINGS_ON_TOOLTIP));
  }
}

}  // namespace ash