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# start the measure
class FindAndReplaceObjectNames < OpenStudio::Measure::ModelMeasure
  # define the name that a user will see
  def name
    return 'Find and Replace Object Names in the Model'
  end

  # define the arguments that the user will input
  def arguments(model)
    args = OpenStudio::Measure::OSArgumentVector.new

    # make an argument for your name
    orig_string = OpenStudio::Measure::OSArgument.makeStringArgument('orig_string', true)
    orig_string.setDisplayName('Type the text you want search for in object names')
    orig_string.setDefaultValue('replace this text')
    args << orig_string

    # make an argument to add new space true/false
    new_string = OpenStudio::Measure::OSArgument.makeStringArgument('new_string', true)
    new_string.setDisplayName('Type the text you want to add in place of the found text')
    new_string.setDefaultValue('with this text')
    args << new_string

    return args
  end

  # define what happens when the measure is run
  def run(model, runner, user_arguments)
    super(model, runner, user_arguments)

    # use the built-in error checking
    if !runner.validateUserArguments(arguments(model), user_arguments)
      return false
    end

    # assign the user inputs to variables
    orig_string = runner.getStringArgumentValue('orig_string', user_arguments)
    new_string = runner.getStringArgumentValue('new_string', user_arguments)

    # check the orig_string for reasonableness
    puts orig_string
    if orig_string == ''
      runner.registerError('No search string was entered.')
      return false
    end

    # reporting initial condition of model
    starting_spaces = model.getSpaces
    runner.registerInitialCondition("The model has #{model.objects.size} objects.")

    # array for objects with names
    named_objects = []

    # loop through model objects and rename if the object has a name
    model.objects.each do |obj|
      if !obj.name.empty?
        old_name = obj.name.get
        new_name = obj.setName(old_name.gsub(orig_string, new_string))
        if old_name != new_name
          named_objects << new_name
        end
      end
    end

    # reporting final condition of model
    runner.registerFinalCondition("#{named_objects.size} objects were renamed.")

    return true
  end
end

# this allows the measure to be use by the application
FindAndReplaceObjectNames.new.registerWithApplication