class TimeParamsValidator

# File app/lib/time_params_validator.rb, line 6
def initialize(field_name:, object:, params:)
  @field_name = field_name
  @object = object
  @params = params
end

# File app/lib/time_params_validator.rb, line 12
def time_params_as_struct
  time_params = [
    params["#{field_name}(4i)"],
    params["#{field_name}(5i)"],
    params["#{field_name}(6i)"]
  ]
  Struct.new(:hour, :minute, :second).new(*time_params)
end

# File app/lib/time_params_validator.rb, line 21
def time_params_valid?
  time = time_params_as_struct

  return true if [time.hour, time.minute, time.second].all?(&:blank?)
  # If `omit_second` is set on the field, then the seconds field defaults to "0"
  return true if time.hour.blank? && time.minute.blank? && time.second == "0"

  if time.second.blank?
    object.errors.add(field_name, :missing_second)
  elsif time.minute.blank?
    object.errors.add(field_name, :missing_minute)
  elsif time.hour.blank?
    object.errors.add(field_name, :missing_hour)
  else
    begin
      Time.zone.local(
        2000,
        1,
        1,
        time.hour.to_i,
        time.minute.to_i,
        time.second.to_i
      )
    rescue ArgumentError
      object.errors.add(field_name, :blank)
    end
  end

  object.errors.none?
end