module TerraspaceCiGithub
  class Pr < Base
    def comment(url)
      return unless ENV['GITHUB_EVENT_NAME'] == 'pull_request'
      return unless github_token?

      repo = ENV['GITHUB_REPOSITORY'] # org/repo
      number = ENV['GITHUB_REF_NAME'].split('/').first # IE: 2/merge
      marker = "<!-- terraspace marker -->"
      body = marker + "\n"
      body << "Terraspace Cloud Url #{url}"

      puts "Adding comment to repo #{repo} number #{number}"

      comments = client.issue_comments(repo, number)
      found_comment = comments.find do |comment|
        comment.body.starts_with?(marker)
      end

      if found_comment
        client.update_comment(repo, found_comment.id, body) unless found_comment.body == body
      else
        client.add_comment(repo, number, body)
      end
    rescue Octokit::Unauthorized => e
      puts "WARN: #{e.message}. Unable to create pull request comment. Please double check your github token"
    end
  end
end