# This class helps handeling time-columns in databases.
class Baza::Dbtime
  # These variables return information about the object.
  attr_reader :hours, :mins, :secs, :total_secs

  # Initializes the object from arguments useually given by Baza::Datarow.
  def initialize(args)
    args = {time: args} if args.is_a?(String)

    raise "Invalid arguments given: #{args}" unless args.is_a?(Hash)
    raise "No time given." unless args[:time]
    raise "Invalid time given: #{args[:time].class.name}" unless args[:time].is_a?(String)

    match = args[:time].match(/^(\d+):(\d+):(\d+)$/)
    raise "Could not understand time format." unless match

    @hours = match[1].to_i
    @mins = match[2].to_i
    @secs = match[3].to_i

    @total_secs = @hours * 3600
    @total_secs += @mins * 60
    @total_secs += @secs
  end

  # Returns the total amount of hours.
  def hours_total
    (@total_secs.to_f / 3600)
  end

  # Return the total amount of minutes.
  def mins_total
    (@total_secs.to_f / 60)
  end
end