require "rubygems"
require "twilio-ruby"

namespace :lesson_notifications do
  desc "triggers daily email/sms notifications for newly available lessons"
  task new_lessons: :environment do
    puts "STARTING: lesson_notifications:new_lessons task"
    now = Time.now
    Membership.active.each do |membership|
      membership.task_statuses.each do |task_status|
        next unless task_status.is_lesson? && task_status.notify_today?

        participant = task_status.participant
        content_module = task_status.task.bit_core_content_module
        application_name = I18n.t(:application_name, default: "ThinkFeelDo")

        if participant.notify_by_email?
          puts "sending daily lesson notifications for #{ now.wday } " \
               "on #{ now } for lesson module " \
               "'#{ content_module.plain_title }' " \
               "to participant #{ membership.participant.study_id }"
          next if ThinkFeelDoEngine::LessonNotificationMailer
                  .lesson_notification_email(
                    participant_email: participant.email,
                    lesson_module: content_module,
                    application_name: application_name)
                  .deliver_now

          next unless defined?(Raven)
          Raven.capture_message "failed to email lesson notification",
                                extra: {
                                  membership: membership.try(:id),
                                  participant: participant.try(:id),
                                  content_module: content_module.try(:id)
                                }
        elsif participant.notify_by_sms?
          title = content_module.plain_title

          begin
            MessageSmsNotification
              .new(
                body: "Your next #{application_name} lesson is available: #{ title }!",
                phone_number: participant.phone_number)
              .deliver
          rescue StandardError => e
            next unless defined?(Raven)
            Raven.extra_context kind: "sms lesson notification",
                                membership: membership.try(:id)
            Raven.capture_exception e
            Raven::Context.clear!
          end
        else
          puts "ERROR: could not send new lesson notification due to no " \
               "contact_preference being set on participant " +
            task_status.participant.study_id.to_s
          next unless defined?(Raven)
          Raven.capture_message "no contact_preference set",
                                extra: {
                                  membership: membership.try(:id)
                                }
        end
      end
    end
    puts "ENDING: lesson_notifications:new_lessons task"
  end
end