class EndpointGenerator

# File lib/generators/endpoint/endpoint_generator.rb, line 12
def create_api_call
  @api_service = file_name.underscore
  @api_version = api_version
  @endpoint_name = endpoint_name
  @endpoint = options[:endpoint]

  raise ArgumentError, 'Endpoint name required' unless @endpoint_name
  raise ArgumentError, 'Version is required, e.g. V1' unless @api_version
  raise ArgumentError, 'Version should not be included in your endpoint, generator will build it for you' if @endpoint.downcase.include?(@api_version.downcase)

  @endpoint_reference = @api_service.camelize + '::' + @api_version.camelize + '::ApiEndpoints'
  @full_endpoint_reference = @endpoint_reference + '.' + @endpoint_name.underscore

  @endpoint = '/' + @endpoint unless @endpoint.first == '/'
  @endpoint = @api_version.downcase + @endpoint
  @method = options[:method].to_sym

  create_endpoint_params if options[:endpoint_params].present?
  create_helper_params if options[:include_helper_params].present?

  spec_file_name = @endpoint_name.underscore + '_spec.rb';
  spec_dir = 'spec/services/'
  spec_api_dir = spec_dir + @api_service.underscore + '/'
  service_version_dir = spec_api_dir + @api_version.downcase + '/'

  Dir.mkdir spec_dir unless File.exist?(spec_dir)
  Dir.mkdir spec_api_dir unless File.exist?(spec_api_dir)
  Dir.mkdir service_version_dir unless File.exist?(service_version_dir)

  spec_file_path = service_version_dir + spec_file_name

  template 'endpoint_spec.erb', spec_file_path

  service_dir_path = "app/services/#{@api_service}/"
  service_api_version_path = service_dir_path + @api_version + '/'

  template 'api_call.erb', service_api_version_path + "api_calls/#{@endpoint_name.underscore}.rb"

  api_call_file = ERB.new load_template('endpoint_helper.erb')
  
  inject_into_file service_api_version_path + 'endpoint_helpers.rb', after: "  # API Endpoint Helpers\n" do
    api_call_file.result(binding)
  end

  mixin = ERB.new load_template('mixin.erb')

  inject_into_file service_api_version_path + 'api_endpoints.rb', after: "  # API call modules\n" do
    mixin.result(binding)
  end
end

# File lib/generators/endpoint/endpoint_generator.rb, line 74
def create_endpoint_params
  @endpoint_params = options[:endpoint_params][0..-2].each_with_object('') do |p, str|
    str << p.underscore << ', '
  end
  @endpoint_params << options[:endpoint_params].last
end

# File lib/generators/endpoint/endpoint_generator.rb, line 70
def create_helper_params
  @helper_params = @endpoint_params
end

# File lib/generators/endpoint/endpoint_generator.rb, line 65
def load_template(template_file)
  template_path = File.join(File.dirname(__FILE__), 'templates/' + template_file)
  File.read(template_path)
end