require 'ipaddr'

module JamRuby
  class Score < ActiveRecord::Base

    MAX_YELLOW_LATENCY = 40 # this round-trip internet latency, not full score

    self.table_name = 'scores'

    attr_accessible :alocidispid, :anodeid, :aaddr, :auserid, :alatencytestid, :blocidispid, :bnodeid, :baddr, :buserid, :blatencytestid, :score, :score_dt, :scorer, :scoring_data

    default_scope order('score_dt desc')

    def self.createx(alocidispid, anodeid, aaddr, blocidispid, bnodeid, baddr, score, score_dt = Time.now, score_data = nil, user_info = {})
      score_dt = Time.new.utc if score_dt.nil?
      score = score.ceil
      raise "score must be positive" if score <= 0
      ascore = Score.create(alocidispid: alocidispid, anodeid: anodeid, aaddr: aaddr, auserid: user_info[:auserid], alatencytestid: user_info[:alatencytestid], blocidispid: blocidispid, bnodeid: bnodeid, baddr: baddr, buserid: user_info[:buserid], blatencytestid: user_info[:blatencytestid], score: score, scorer: 0, score_dt: score_dt, scoring_data: score_data)
      bscore = Score.create(alocidispid: blocidispid, anodeid: bnodeid, aaddr: baddr, auserid: user_info[:buserid], blatencytestid: user_info[:blatencytestid], blocidispid: alocidispid, bnodeid: anodeid, baddr: aaddr, buserid: user_info[:auserid], blatencytestid: user_info[:alatencytestid], score: score, scorer: 1, score_dt: score_dt) if alocidispid != blocidispid
      return [ascore, bscore]
    end

    def self.deletex(alocidispid, blocidispid)
      Score.where(alocidispid: alocidispid, blocidispid: blocidispid).delete_all
      Score.where(alocidispid: blocidispid, blocidispid: alocidispid).delete_all if alocidispid != blocidispid
    end

    def self.findx(alocidispid, blocidispid)
      s = Score.where(alocidispid: alocidispid, blocidispid: blocidispid).first
      return -1 if s.nil?
      return s.score
    end

    def self.score_conns(c1, c2, score)
      user_info = {}
      if c1.user_id
        user_info[:auserid] = c1.user_id
      else
        user_info[:alatencytestid] = c1.latency_tester.id
      end

      if c2.user_id
        user_info[:buserid] = c2.user_id
      else
        user_info[:blatencytestid] = c2.latency_tester.id
      end

      self.createx(c1.locidispid, c1.client_id, c1.addr, c2.locidispid, c2.client_id, c2.addr, score, nil, user_info)
    end

    # locid is a geoiplocation or geoipblock locid.
    # coid  is a jamisp coid
    def self.compute_locidispid(locid, coid)
      locid * 1000000 + coid
    end

    # if you have the right models in hand, this will compute a valid locidispid
    def self.create_locidispid(geoiplocation_or_geoipblock, jamisp_or_jamcompany)
      compute_locidispid(geoiplocation_or_geoipblock.locid, jamisp_or_jamcompany.coid)
    end
  end
end