module V1
  class MessagesController < ApplicationController

    before_filter :authorize_admin # not sure this is best way
    respond_to :json

    # for now, will not pass unseen, so unseen will always be true
    def user_messages(unseen = true)
      user = User.find(params[:user_id])
      render json: (user ? user.messages : [] )
    end

    # routes ensure this is only for PUT
    def mark_read

      # make sure user and message exist
      if (user = User.find(params[:user_id])) && Message.find(params[:message_id])

        user.message_ids_seen << params[:message_id] if !user.message_ids_seen.include?(params[:message_id]) #TODO: is it quicker to instead call uniq! after adding?
        user.message_ids_to_see.delete(params[:message_id])
        user.save
        render json: true
        return
      else
        render json: false
      end

    end
  end
end