sanger/sequencescape

# frozen_string_literal: true

namespace :devour do
  desc 'Spits out a devour-client configuration'
  task create_config: :environment do
    # We prettify are json to make it both easier to read and diff
    json_formatting = { indent: '  ', object_nl: "\n", space: ' ', array_nl: "\n" }

    config =
      Api::V2
        .constants
        .reject { |resource_key| resource_key == :BaseResource }
        .sort
        .map do |resource_key|
          resource = Api::V2.const_get(resource_key)

          attributes = {}
          resource._attributes.each_key do |attr|
            next if attr == :id

            attributes[attr] = ''
          end
          resource._relationships.each do |attr, details|
            relation = details.is_a?(JSONAPI::Relationship::ToOne) ? 'hasOne' : 'hasMany'
            attributes[attr] = { jsonApi: relation }
            attributes[attr][:type] = details.resource_klass._type.to_s.singularize unless details.polymorphic?
          end
          { resource: resource._type.to_s.singularize, attributes: attributes, options: {} }
        end

    serialized_config = JSON.generate(config, json_formatting)

    puts <<~HEREDOC
      /*
       * Auto-generated by Sequencescape on #{Time.zone.now}"
       * Using #{Deployed::VERSION_COMMIT}
       * bundle exec rake devour:create_config"
       *
       */

      /* Our configuration is essentially JSON, so we allow double quotes */
      /* eslint quotes: ["error", "double"] */
      const resources = #{serialized_config}

      export default resources
    HEREDOC
  end
end