class GdsApi::EmailAlertApi

def change_subscriber(id:, new_address:)
  patch_json(
    "#{endpoint}/subscribers/#{uri_encode(id)}",
    new_address: new_address,
  )
end

def change_subscription(id:, frequency:)
  patch_json(
    "#{endpoint}/subscriptions/#{uri_encode(id)}",
    frequency: frequency,
  )
end

def create_content_change(content_change, headers = {})
  post_json("#{endpoint}/content-changes", content_change, headers)
end

def create_message(message, headers = {})
  post_json("#{endpoint}/messages", message, headers)
end

def find_or_create_subscriber_list(attributes)
  if attributes["tags"] && attributes["links"]
    message = "please provide either tags or links (or neither), but not both"
    raise ArgumentError, message
  end
  post_json("#{endpoint}/subscriber-lists", attributes)
end

def find_subscriber_list(attributes)
  query_string = nested_query_string(attributes)
  get_json("#{endpoint}/subscriber-lists?" + query_string)
end

def get_latest_matching_subscription(id)
  get_json("#{endpoint}/subscriptions/#{uri_encode(id)}/latest")
end

def get_subscriber_list(slug:)
  get_json("#{endpoint}/subscriber-lists/#{uri_encode(slug)}")
end

def get_subscription(id)
  get_json("#{endpoint}/subscriptions/#{uri_encode(id)}")
end

def get_subscriptions(id:, order: nil)
  if order
    get_json("#{endpoint}/subscribers/#{uri_encode(id)}/subscriptions?order=#{uri_encode(order)}")
  else
    get_json("#{endpoint}/subscribers/#{uri_encode(id)}/subscriptions")
  end
end

def nested_query_string(params)
  Rack::Utils.build_nested_query(params)
end

def send_subscriber_verification_email(address:, destination:)
  post_json(
    "#{endpoint}/subscribers/auth-token",
    address: address,
    destination: destination,
  )
end

def send_subscription_verification_email(address:, frequency:, topic_id:)
  post_json(
    "#{endpoint}/subscriptions/auth-token",
    address: address,
    frequency: frequency,
    topic_id: topic_id,
  )
end

def subscribe(subscriber_list_id:, address:, frequency: "immediately", skip_confirmation_email: false)
  post_json(
    "#{endpoint}/subscriptions",
    subscriber_list_id: subscriber_list_id,
    address: address,
    frequency: frequency,
    skip_confirmation_email: skip_confirmation_email,
  )
end

def topic_matches(attributes)
  query_string = nested_query_string(attributes)
  get_json("#{endpoint}/topic-matches.json?#{query_string}")
end

def unsubscribe(uuid)
  post_json("#{endpoint}/unsubscribe/#{uri_encode(uuid)}")
end

def unsubscribe_subscriber(id)
  delete_json("#{endpoint}/subscribers/#{uri_encode(id)}")
end