// Copyright (c) 2015 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.

#include "brightray/browser/mac/cocoa_notification.h"

#include "base/mac/mac_util.h"
#include "base/strings/sys_string_conversions.h"
#include "base/strings/utf_string_conversions.h"
#include "brightray/browser/notification_delegate.h"
#include "brightray/browser/notification_presenter.h"
#include "skia/ext/skia_utils_mac.h"

namespace brightray {

int g_identifier_ = 1;

CocoaNotification::CocoaNotification(NotificationDelegate* delegate,
                                     NotificationPresenter* presenter)
    : Notification(delegate, presenter) {
}

CocoaNotification::~CocoaNotification() {
  if (notification_)
    [NSUserNotificationCenter.defaultUserNotificationCenter
        removeDeliveredNotification:notification_];
}

void CocoaNotification::Show(const NotificationOptions& options) {
  notification_.reset([[NSUserNotification alloc] init]);

  NSString* identifier = [NSString stringWithFormat:@"ElectronNotification%d", g_identifier_++];

  [notification_ setTitle:base::SysUTF16ToNSString(options.title)];
  [notification_ setSubtitle:base::SysUTF16ToNSString(options.subtitle)];
  [notification_ setInformativeText:base::SysUTF16ToNSString(options.msg)];
  [notification_ setIdentifier:identifier];

  if (getenv("ELECTRON_DEBUG_NOTIFICATIONS")) {
    LOG(INFO) << "Notification created (" << [identifier UTF8String] << ")";
  }

  if (!options.icon.drawsNothing()) {
    NSImage* image = skia::SkBitmapToNSImageWithColorSpace(
        options.icon, base::mac::GetGenericRGBColorSpace());
    [notification_ setContentImage:image];
  }

  if (options.silent) {
    [notification_ setSoundName:nil];
  } else if (options.sound != nil) {
    [notification_ setSoundName:base::SysUTF16ToNSString(options.sound)];
  } else {
    [notification_ setSoundName:NSUserNotificationDefaultSoundName];
  }

  [notification_ setHasActionButton:false];

  int i = 0;
  action_index_ = UINT_MAX;
  NSMutableArray* additionalActions = [[[NSMutableArray alloc] init] autorelease];
  for (const auto& action : options.actions) {
    if (action.type == base::ASCIIToUTF16("button")) {
      if (action_index_ == UINT_MAX) {
        // First button observed is the displayed action
        [notification_ setHasActionButton:true];
        [notification_ setActionButtonTitle:base::SysUTF16ToNSString(action.text)];
        action_index_ = i;
      } else {
        // All of the rest are appended to the list of additional actions
        NSString* actionIdentifier = [NSString stringWithFormat:@"%@Action%d", identifier, i];
        NSUserNotificationAction* notificationAction =
          [NSUserNotificationAction actionWithIdentifier:actionIdentifier
                                                   title:base::SysUTF16ToNSString(action.text)];
        [additionalActions addObject:notificationAction];
        additional_action_indices_.insert(std::make_pair(base::SysNSStringToUTF8(actionIdentifier), i));
      }
    }
    i++;
  }
  if ([additionalActions count] > 0 &&
      [notification_ respondsToSelector:@selector(setAdditionalActions:)]) {
    [notification_ setAdditionalActions:additionalActions]; // Requires macOS 10.10
  }

  if (options.has_reply) {
    [notification_ setResponsePlaceholder:base::SysUTF16ToNSString(options.reply_placeholder)];
    [notification_ setHasReplyButton:true];
  }

  [NSUserNotificationCenter.defaultUserNotificationCenter
      deliverNotification:notification_];
}

void CocoaNotification::Dismiss() {
  if (notification_)
    [NSUserNotificationCenter.defaultUserNotificationCenter
        removeDeliveredNotification:notification_];

  NotificationDismissed();

  this->LogAction("dismissed");
}

void CocoaNotification::NotificationDisplayed() {
  if (delegate())
    delegate()->NotificationDisplayed();

  this->LogAction("displayed");
}

void CocoaNotification::NotificationReplied(const std::string& reply) {
  if (delegate())
    delegate()->NotificationReplied(reply);

  this->LogAction("replied to");
}

void CocoaNotification::NotificationButtonClicked() {
  if (delegate())
    delegate()->NotificationAction(action_index_);

  this->LogAction("button clicked");
}

void CocoaNotification::NotificationAdditionalActionClicked(NSUserNotificationAction* action) {
  if (delegate()) {
    unsigned index = action_index_;
    std::string identifier = base::SysNSStringToUTF8(action.identifier);
    for (const auto& it : additional_action_indices_) {
      if (it.first == identifier) {
        index = it.second;
        break;
      }
    }

    delegate()->NotificationAction(index);
  }

  this->LogAction("button clicked");
}

void CocoaNotification::LogAction(const char* action) {
  if (getenv("ELECTRON_DEBUG_NOTIFICATIONS")) {
    NSString* identifier = [notification_ valueForKey:@"identifier"];
    LOG(INFO) << "Notification " << action << " (" << [identifier UTF8String] << ")";
  }
}

}  // namespace brightray