class EasyPost::Resource

# File lib/easypost/resource.rb, line 46
def self.all(filters = {}, api_key = nil)
  response = EasyPost.make_request(:get, url, api_key, filters)
  EasyPost::Util.convert_to_easypost_object(response, api_key)
end

# File lib/easypost/resource.rb, line 8
def self.class_name
  camel = name.split('::')[-1]
  snake = camel[0..0] + camel[1..-1].gsub(/([A-Z])/, '_\1')
  snake.downcase
end

# File lib/easypost/resource.rb, line 72
def self.create(params = {}, api_key = nil)
  wrapped_params = {}
  wrapped_params[class_name.to_sym] = params
  response = EasyPost.make_request(:post, url, api_key, wrapped_params)
  EasyPost::Util.convert_to_easypost_object(response, api_key)
end

# File lib/easypost/resource.rb, line 52
def self.each(filters = {}, api_key = EasyPost.api_key, &block)
  return to_enum(:each, filters, api_key) unless block_given?

  loop do
    page, has_more = all(filters, api_key).values
    last = page.each(&block).last
    break if page.empty? || !has_more

    filters[:before_id] = last.id
  end
end

# File lib/easypost/resource.rb, line 65
def self.retrieve(id, api_key = nil)
  instance = new(id, api_key)
  instance.refresh
  instance
end

# File lib/easypost/resource.rb, line 15
def self.url
  if class_name == 'resource'
    raise NotImplementedError.new(
      'Resource is an abstract class. You should perform actions on its subclasses (Address, Shipment, etc.)',
    )
  end

  if class_name[-1..-1] == 's' || class_name[-1..-1] == 'h'
    "/v2/#{CGI.escape(class_name.downcase)}es"
  else
    "/v2/#{CGI.escape(class_name.downcase)}s"
  end
end

# File lib/easypost/resource.rb, line 80
def delete
  response = EasyPost.make_request(:delete, url, @api_key)
  refresh_from(response, api_key)
  self
end

# File lib/easypost/resource.rb, line 39
def refresh
  response = EasyPost.make_request(:get, url, @api_key, @retrieve_options)
  refresh_from(response, api_key)
  self
end

# File lib/easypost/resource.rb, line 87
def save
  if @unsaved_values.length.positive?
    values = {}
    @unsaved_values.each { |k| values[k] = @values[k] }

    @unsaved_values.each do |key| # rubocop:disable Style/CombinableLoops
      value = values[key]
      if value.is_a?(EasyPost::EasyPostObject)
        values[key] = value.flatten_unsaved
      end
    end

    wrapped_params = { self.class.class_name => values }

    response = EasyPost.make_request(:patch, url, @api_key, wrapped_params)
    refresh_from(response, api_key)
  end
  self
end

# File lib/easypost/resource.rb, line 30
def url
  unless id
    raise EasyPost::Error.new("Could not determine which URL to request: #{self.class} instance has invalid ID: #{id.inspect}")
  end

  "#{self.class.url}/#{CGI.escape(id)}"
end