# frozen_string_literal: true
# encoding: utf-8

require "spec_helper"

describe "AWS Lambda examples in Ruby" do

  it "shares the client" do
    # Start AWS Lambda Example 1

    # Require the driver library.
    require "mongo"

    # Create a Mongo::Client instance.
    # CRITICAL: You must create the client instance outside the handler
    # so that the client can be reused across function invocations.
    client = Mongo::Client.new(ENV.fetch("MONGODB_URI"))

    def lambda_handler(event:, context:)
      # Use the client to return the name of the configured database.
      client.database.name
    end

    # End AWS Lambda Example 1

    client.close
  end

  context "when using AWS IAM authentication" do
    require_auth 'aws-assume-role'

    it "connects to the deployment" do
      allow(ENV).to receive(:fetch).and_call_original
      allow(ENV).to receive(:fetch).with("MONGODB_HOST").and_return(SpecConfig.instance.addresses.first)
      allow(ENV).to receive(:fetch).with("AWS_ACCESS_KEY_ID").and_return(ENV.fetch("MONGO_RUBY_DRIVER_AWS_AUTH_ACCESS_KEY_ID"))
      allow(ENV).to receive(:fetch).with("AWS_SECRET_ACCESS_KEY").and_return(ENV.fetch("MONGO_RUBY_DRIVER_AWS_AUTH_SECRET_ACCESS_KEY"))
      allow(ENV).to receive(:fetch).with("AWS_SESSION_TOKEN").and_return(ENV.fetch("MONGO_RUBY_DRIVER_AWS_AUTH_SESSION_TOKEN"))
      allow(ENV).to receive(:fetch).with("MONGODB_DATABASE").and_return("test")

      # Start AWS Lambda Example 2

      # Require the driver library.
      require "mongo"

      # Create a Mongo::Client instance using AWS IAM authentication.
      # CRITICAL: You must create the client instance outside the handler
      # so that the client can be reused across function invocations.
      client = Mongo::Client.new([ENV.fetch("MONGODB_HOST")],
                                 auth_mech: :aws,
                                 user: ENV.fetch("AWS_ACCESS_KEY_ID"),
                                 password: ENV.fetch("AWS_SECRET_ACCESS_KEY"),
                                 auth_mech_properties: {
                                   aws_session_token: ENV.fetch("AWS_SESSION_TOKEN"),
                                 },
                                 database: ENV.fetch("MONGODB_DATABASE"))

      def lambda_handler(event:, context:)
        # Use the client to return the name of the configured database.
        client.database.name
      end

      # End AWS Lambda Example 2

      client.close
    end
  end

end