module Idonethis::UseCases 
  module New
    class << self
      def apply(credential, args={})
        log       = args[:log]      || fail("You need to supply :internet adapter")
        internet  = args[:internet] || fail("You need to supply :internet adapter")
        team      = args[:team]
        date      = args[:date]
        
        log.call "args: #{args}"
        log.call "overriding team <#{credential[:team]}> with <#{team}>"

        body = { 
            "raw_text"  => args[:message], 
            "team"      => (team || credential[:team])
        }

        if date
          date = Calendar.yesterday.to_s if date == 'yesterday'
          body = body.merge({"done_date" => Calendar.day_string(Time.parse(date))})
        end
        
        log.call body
        
        parse internet.post(
          Idonethis::Index.dones,
          { "Authorization" => "Token #{credential[:token]}", accept: "application/json"},
          body
        )
      end
      
      def usage
        %Q{new -m "Birthday shopping + sushi lunch" --date 1-Oct-2015}
      end

      private

      def parse(reply)
        require 'json'
        
        fail reply.body unless reply.code == 201
        
        JSON.parse(reply.body)
      end
    end
  end
end