require 'time.rb'
class Sample < ActiveRecord::Base
  validates_numericality_of :windsample
  validates_numericality_of :windaverage
  validates_numericality_of :windmax
  validates_numericality_of :wdirsample
  validates_numericality_of :wdiraverage
  validates_numericality_of :baromsample
  validates_numericality_of :tempsample
  validates_numericality_of :relhumidsample
  validates_numericality_of :radiationsample
  validates_numericality_of :radiationtotal
  validates_numericality_of :raintenmin

  def initialize(fields)
    raise "Wrong field count #{fields.length} expected 15" unless fields.length == 15

    (0..3).each do |v|
      fields[v] = fields[v].to_i
    end
    (4..14).each do |v|
      fields[v] = fields[v].to_f
    end

    @sampletime       = dateconv(fields[1..3])
    @windsample       = fields[4]
    @windaverage      = fields[5]
    @windmax          = fields[6]
    @wdirsample       = fields[7]
    @wdiraverage      = fields[8]
    @baromsample      = fields[9]
    @tempsample       = fields[10]
    @relhumidsample   = fields[11]
    @radiationsample  = fields[12]
    @radiationtotal   = fields[13]
    @raintenmin       = fields[14]
  end

  def to_s
    str = @sampletime.to_s + " sample"
  end

  private

  def dateconv(fields)
    year = fields[0]
    day = fields[1]
    hourmin = fields[2]
    minutes = hourmin %100
    hours = (hourmin/100) % 24
#$stdout.puts "y #{year} h #{hours} m #{minutes}"
    time = Time.local(year, 1, 1, hours, minutes)
    time = time + (day-1)*60*60*24

    return time
  end
end