# frozen_string_literal: true

require 'yaml'

def sort_yaml(input_yaml)
  # Parse the input YAML
  data = YAML.load(input_yaml)

  # Ensure data is an array of hashes
  unless data.is_a?(Array) && data.all? { |item| item.is_a?(Hash) }
    raise ArgumentError, 'Input YAML must be an array of hashes.'
  end

  # Sort items by 'opt_name' values
  sorted_data = data.sort_by do |item|
    (item[:opt_name] || item[:long_name] || item[:short_name]).to_s
  end

  # Sort keys in each item
  sorted_data.each do |item|
    item.replace(item.sort.to_h)
  end

  # Convert the sorted data back to YAML and write to stdout
  puts YAML.dump(sorted_data).gsub("\n-", "\n\n-")
end

# Read YAML from stdin
input_yaml = $stdin.read

# Call the function with input YAML
sort_yaml(input_yaml)