# frozen_string_literal: true

require "faraday"
require "faraday_middleware"
require "dry/monads"

module Datacite
  # The connection to DataCite API
  class Client
    include Dry::Monads[:result]

    # @param [String] username
    # @param [String] password
    # @param [String] host
    def initialize(username:, password:, host: "api.test.datacite.org")
      @conn = Faraday.new(
        url: "https://#{host}",
        headers: headers
      ) do |conn|
        conn.request :json
        conn.basic_auth(username, password)
        conn.response :json
      end
    end

    # @returns [Dry::Monads::Result]
    def autogenerate_doi(prefix:)
      request_body = AutogenerateDoi.new(prefix: prefix).to_json
      response = conn.post("/dois", request_body)
      response.success? ? Success(Response.new(response)) : Failure(response)
    end

    private

    def headers
      {
        "Content-Type" => "application/vnd.api+json",
        "User-Agent" => "Datacite Ruby client version #{Datacite::VERSION}"
      }
    end

    attr_reader :conn
  end
end