module MeasurementsHelper
  def format_datetime(m)
    m.taken_at.getlocal
      .strftime("%F <small>%R&emsp;(~#{time_ago_in_words(m.taken_at)} ago)</small>")
      .html_safe
  end

  def format_time(m)
    m.taken_at.getlocal.strftime("%R")
  end

  def toggle_column_options
    disabled = []
    enabled_columns = @scoping_measurement.column_view.quantities
    options = nested_set_options(@project.quantities.measurement) do |q|
      disabled << q.id if enabled_columns.include?(q)
      raw("#{'&ensp;' * q.level}#{q.name}")
    end
    options_for_select(options, disabled: disabled)
  end

  def quantity_options
    nested_set_options(@project.quantities.measurement) do |q|
      raw("#{'&ensp;' * q.level}#{q.name}")
    end
  end

  def unit_options
    @project.units.map do |u|
      [u.shortname, u.id]
    end
  end

  def source_options
    @project.sources.map do |s|
      [s.name, s.id]
    end
  end

  def action_links(m)
    link_to(l(:button_retake), retake_measurement_path(m),
            {remote: true, class: "icon icon-reload"}) +
    link_to(l(:button_edit), edit_measurement_path(m),
            {remote: true, class: "icon icon-edit"}) +
    delete_link(measurement_path(m), {remote: true, data: {}})
  end
end