module Modules::Observers::ActivityFeed::Comment
  extend ActiveSupport::Concern

  included do
    after_commit :new_comment_notifications, on: :create
    # dont remove outdated issues link
    after_update -> { Comment.create_link_on_issues_from_item(self) }
  end

  private

  def new_comment_notifications
    return if automatic?
    if issue_comment?
      commentable.subscribes.each do |subscribe|
        if user_id != subscribe.user_id
          UserMailer.new_comment_notification(self, subscribe.user).deliver if can_notify_on_new_comment?(subscribe)
          ActivityFeed.create(
            user: subscribe.user,
            kind: 'new_comment_notification',
            data: {
              user_name:       user.name,
              user_email:      user.email,
              user_id:         user_id,
              comment_body:    body,
              issue_title:     commentable.title,
              issue_serial_id: commentable.serial_id,
              project_id:      commentable.project.id,
              comment_id:      id,
              project_name:    project.name,
              project_owner:   project.owner.uname
            }
          )
        end
      end
    elsif commit_comment?
      Subscribe.comment_subscribes(self).where(status: true).each do |subscribe|
        next if own_comment?(subscribe.user)
        if subscribe.user.notifier.can_notify and
            ( (subscribe.project.owner?(subscribe.user) && subscribe.user.notifier.new_comment_commit_repo_owner) or
              (subscribe.user.commentor?(self.commentable) && subscribe.user.notifier.new_comment_commit_commentor) or
              (subscribe.user.committer?(self.commentable) && subscribe.user.notifier.new_comment_commit_owner) )
          UserMailer.new_comment_notification(self, subscribe.user).deliver
        end
        ActivityFeed.create(
          user: subscribe.user,
          kind: 'new_comment_commit_notification',
          data: {
            user_name:      user.name,
            user_email:     user.email,
            user_id:        user_id,
            comment_body:   body,
            commit_message: commentable.message,
            commit_id:      commentable.id,
            project_id:     project.id,
            comment_id:     id,
            project_name:   project.name,
            project_owner:  project.owner.uname}
        )
      end
    end
    Comment.create_link_on_issues_from_item(self)
  end

  def can_notify_on_new_comment?(subscribe)
    User.find(subscribe.user).notifier.new_comment && User.find(subscribe.user).notifier.can_notify
  end
end