require_relative 'rest_accessors_defaults'

module Soaspec
  # Accessors specific to REST handler
  module RestAccessors

    # Defines method 'base_url_value' containing base URL used in REST requests
    # @param [String] url Base Url to use in REST requests. Suburl is appended to this
    def base_url(url)
      define_method('base_url_value') do
        url
      end
    end

    # Will create access_token method based on passed parameters
    # @param [Hash] params OAuth 2 parameters
    # @param_value [token_url] URL to retrieve OAuth token from. @Note this can be set globally instead of here
    # @param_value [client_id] Client ID
    # @param_value [client_secret] Client Secret
    # @param_value [username] Username used in password grant
    # @param_value [password] Password used in password grant
    # @param_value [security_token] Security Token used in password grant
    def oauth2(params)
      # @!method oauth_obj Object to handle oauth2
      define_method('oauth_obj') { OAuth2.new(params, api_username) }
      # @!method access_token Retrieve OAuth2 access token
      define_method('access_token') { oauth_obj.access_token }
      # @!method instance_url Retrieve instance url from OAuth request
      define_method('instance_url') { oauth_obj.response['instance_url'] }
    end

    # Pass path to YAML file containing OAuth2 parameters
    # @param [String] path_to_filename Will have Soaspec.credentials_folder appended to it if set
    def oauth2_file(path_to_filename)
      full_path = Soaspec.credentials_folder ? File.join(Soaspec.credentials_folder, path_to_filename) : path_to_filename
      full_path += '.yml' unless full_path.end_with?('.yml')
      file_hash = YAML.load_file(full_path)
      raise 'File at ' + full_path + ' is not a hash ' unless file_hash.is_a? Hash
      oauth2 file_hash
    end

    # @param [Hash] headers Hash of REST headers used in RestClient
    def headers(headers)
      define_method('rest_client_headers') do
        headers
      end
    end

    # Convert each key from snake_case to PascalCase
    def pascal_keys(set)
      define_method('pascal_keys?') do
        set
      end
    end
  end
end