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
  field :organization
  field :person_in_charge
  field :tel_of_person_in_charge
  field :department
  field :contact_person
  field :tel_of_contact_person
  field :mobile_phone_of_contact_person
  field :contact_person_Email
  field :contact_person_department
  belongs_to :property

  def as_json(options = {})
    {
      :id => self.id.to_s,
      :title => self.reason_for_hire,
      :hiring_person_id => self.hiring_person_id,
      :hiring_person_name => self.hiring_person_name,
      :note => self.note_for_hire || "",
      :start => self.start_time.to_json.gsub('"',''),
      :end => self.end_time.to_json.gsub('"',''),
      :allDay => (self.end_time - self.start_time >= 1),
      :color => (self.passed ? "#3788d8" : "#FC4040"),
      :error_message => (self.passed ? nil : "Not approved")
    }
  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,property_id)
    @property = Property.find(property_id) rescue nil
    @recurring = []
    if @property != nil
      unavailable = @property.set_unavailibility && !@property.weekdays.empty? && !@property.start_date.nil? && !@property.end_date.nil?
      unavailable_start_date = @property.start_date
      unavailable_end_date = @property.end_date
      unavailable_start_time = @property.start_time.to_s
      unavailable_end_time = @property.end_time.to_s
      unavailable_start_date = DateTime.parse(unavailable_start_date.strftime("%Y-%m-%d " + unavailable_start_time.to_s + Time.zone.to_s)) rescue nil
      unavailable_end_date = DateTime.parse(unavailable_end_date.strftime("%Y-%m-%d " + unavailable_end_time.to_s + Time.zone.to_s)) rescue nil
      unavailable_weekdays = @property.weekdays.collect{|w| w.to_i}
      @recurring_events = self.where(:property_id => property_id, :recurring_end_date.gte => start_date)
      @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 unavailable && (unavailable_start_date <= @start_date) && (unavailable_end_date >= @end_date) && !((@start_date.strftime("%w").to_i .. @end_date.strftime("%w").to_i).to_a & unavailable_weekdays).empty?
                startt = DateTime.parse(@start_date.strftime("%Y-%m-%d " + unavailable_start_time + Time.zone.to_s))
                endt = DateTime.parse(@end_date.strftime("%Y-%m-%d " + unavailable_end_time + Time.zone.to_s))
                next if !((startt..endt) & (@start_date..@end_date)).blank?
              end
              if @start_date < re.recurring_end_date
                @recurring << {:id => re.id.to_s, :hiring_person_name => re.hirer_name ,:title=>re.reason_for_hire, :note=>re.reason_for_hire, :start=>@start_date, :end => @end_date, :allDay => (re.end_time - re.start_time >= 1), :recurring => re.recurring, :color => (re.passed ? "#3788d8" : "#FC4040"), :error_message => (re.passed ? nil : "Not approved")}
              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.month
            ed = ed + @i.month
            if unavailable && !(unavailable_start_date > ed) && !(unavailable_end_date < sd) && !((sd.strftime("%w") .. ed.strftime("%w")).to_a & unavailable_weekdays).empty?
              startt = DateTime.parse(sd.strftime("%Y-%m-%d " + unavailable_start_time + Time.zone.to_s))
              endt = DateTime.parse(ed.strftime("%Y-%m-%d " + unavailable_end_time + Time.zone.to_s))
              next if !((startt..endt) & (sd..ed)).blank?
            end
            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
    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