sanger/sequencescape

# frozen_string_literal: true
module PlatesHelper
  class AliquotError < StandardError
  end

  def padded_wells_by_row(plate)
    wells = wells_hash(plate)
    padded_well_name_with_index(plate) { |padded_name, index| yield(padded_name, *wells[index]) }
  end

  def plate_creator_options(plate_creators)
    plate_creators.pluck(:name, :id, :valid_options).map { |name, id, options| [name, id, { data: options }] }
  end

  private

  def well_properties(well)
    raise AliquotError if well.samples.length > 1

    sample = well.samples.first
    [sample.name, '', sample.sample_metadata.sample_type || 'Unknown']
  end

  def padded_well_name_with_index(plate)
    ('A'...('A'.getbyte(0) + (plate.size / 12)).chr).each_with_index do |row, row_index|
      (1..12).each_with_index do |col, column_index|
        padded_name = '%s%02d' % [row, col]
        index = column_index + (row_index * 12)
        yield(padded_name, index)
      end
    end
  end

  def wells_hash(plate)
    Hash
      .new { |h, i| h[i] = ['[ Empty ]', '', 'NTC'] }
      .tap { |wells| plate.wells.each { |well| wells[well.map.row_order] = well_properties(well) } }
  end

  def self.event_family_for_pick(plate_purpose_name)
    "picked_well_to_#{plate_purpose_name.tr(' ', '_').downcase}_plate"
  end
end