module HelixVersioningEngine
  # Methods for user resources.
  #
  # Users are a little different from standard specs, since deleting users
  # can require removing session data, etc.
  class App < Sinatra::Base
    get '/helix_versioning_engine/:api/users' do |_|
      require_p4
      p4 = env['p4']

      users = p4.run_users

      users.to_json
    end

    post '/helix_versioning_engine/:api/users' do |_|
      require_p4
      p4 = env['p4']

      results = p4.save_user(params, '-f')

      results.to_json
    end

    get '/helix_versioning_engine/:api/users/:user' do |_, user|
      require_p4
      p4 = env['p4']

      results = p4.run_user('-o', user)

      if results.empty? or HelixVersioningEngine.invalid_user_email?(results, user)
        halt 404
      else
        results[0].to_json
      end
    end

    patch '/helix_versioning_engine/:api/users/:user' do |_, user|
      require_p4
      p4 = env['p4']

      results = p4.run_user('-o', user)

      if results.empty? or HelixVersioningEngine.invalid_user_email?(results, user)
        halt 404
        return
      end

      spec = results[0]
      spec = spec.merge(filter_params(params))

      spec['User'] = user unless spec.key?('User')

      results = p4.save_user(spec, '-f')

      results.to_json
    end

    delete '/helix_versioning_engine/:api/users/:user' do |_, user|
      require_p4
      p4 = env['p4']

      p4.run_user('-f', '-d', user)

      ''
    end
  end
end