class PHire
  include Mongoid::Document
  include Mongoid::Timestamps

  INTERVALS = ["week", "month"]

  field :start_time, type: DateTime
  field :end_time, type: DateTime
  field :hiring_person_email
  field :hiring_person_number
  field :hiring_person_id
  field :hiring_person_name
  field :reason_for_hire
  field :note_for_hire
  field :passed, type: Boolean, default: false
  field :recurring, type: Boolean, :default => false
  field :recurring_end_date, type: DateTime
  field :recurring_interval

  belongs_to :property

  def as_json(options = {})
    {
      :id => self.id.to_s,
      :title => self.reason_for_hire,
      :note => self.note_for_hire || "",
      :start => self.start_time.rfc822,
      :end => self.end_time.rfc822,
      :allDay => false,
      :color => "#FC4040"
    }
  end

  def period
    return self.start_time.strftime("%y-%m-%d %H:%M") + " ~ " + self.end_time.strftime("%y-%m-%d %H:%M")
  end

  def hirer_name
    return self.hiring_person_name.nil? ? self.hiring_person_profile.name : self.hiring_person_name
  end

  def hiring_person_profile
    return MemberProfile.find(self.hiring_person_id) rescue nil
  end

  def self.monthly_event(start_date,end_date,property_id)
    self.where(:property_id => property_id, :recurring => false).any_of(:start_time.gte => start_date, :end_time.gte => start_date).and(:start_time.lte => end_date).asc(:start_time)
  end

  def self.recurring_event(start_date,end_date)  
    @recurring_events = self.where(:recurring => true)
    @recurring = []
    @recurring_events.each do |re|
      case re.recurring_interval
      when "week"
          @start_date = re.start_time
          @end_date = re.end_time
          @i = TimeDifference.between(re.start_time,end_date).in_weeks.to_i
          (0..@i).each do |i|
            if i > 0
              @start_date += 7
              @end_date += 7
            end
            if @start_date < re.recurring_end_date
              @recurring << {:id => re.id.to_s, :title=>re.reason_for_hire, :note=>re.reason_for_hire, :start=>@start_date, :end => @end_date, :allDay => false, :recurring => re.recurring, :color => "#FC4040"}
            end
          end
      when "month"
        # if !(start_date..end_date).cover?(re.start_time)
          sd = re.start_time
          ed = re.end_time
          @i = TimeDifference.between(re.start_time,end_date).in_months.to_i
          @start_date = sd
          # debugger
          sd = sd >> @i
          ed = ed >> @i
          if sd < re.recurring_end_date
            @recurring << {:id => re.id.to_s, :title=>re.reason_for_hire, :note=>re.reason_for_hire, :start=>sd, :end => ed, :allDay => false, :recurring => re.recurring, :color => "#FC4040"}
          end
        # end
      end
   end
   @recurring
  end

  def time_iterate(&block)
    start_time = self.start_time
    end_time = self.end_time
    recurring_end_date = self.recurring_end_date
    case self.recurring_interval
    when "week"
      step_interval = 1.week
    when "month"
      step_interval = 1.month
    end
    begin
      yield(start_time, end_time)
      end_time += step_interval
    end while (start_time += step_interval) <= recurring_end_date
  end

end