#GET request
get '/sample22' do
  haml :sample22
end

#POST request
post '/sample22' do
  #Set variables
  set :client_id, params[:clientId]
  set :private_key, params[:privateKey]
  set :fileId, params[:fileId]
  set :email, params[:email]
  set :first_name, params[:firstName]
  set :last_name, params[:lastName]
  set :base_path, params[:basePath]
  set :url, params[:url]
  set :source, params[:source]


  begin

    #Check required variables
    raise 'Please enter all required parameters' if settings.client_id.empty? or settings.private_key.empty? or settings.email.empty? or settings.first_name.empty? or settings.last_name.empty?

    #Prepare base path
    if settings.base_path.empty?
      base_path = 'https://api.groupdocs.com'
    elsif settings.base_path.match('/v2.0')
      base_path = settings.base_path.split('/v2.0')[0]
    else
      base_path = settings.base_path
    end

    #Configure your access to API server
    GroupDocs.configure do |groupdocs|
      groupdocs.client_id = settings.client_id
      groupdocs.private_key = settings.private_key
      #Optionally specify API server and version
      groupdocs.api_server = base_path # default is 'https://api.groupdocs.com'
    end
    file = nil

    #Get document by file GUID
    case settings.source
      when 'guid'
        #Create instance of File
        file = GroupDocs::Storage::File.new({:guid => settings.fileId})
      when 'local'
        filepath = "#{Dir.tmpdir}/#{params[:file][:filename]}"
        #Open file
        File.open(filepath, 'wb') { |f| f.write(params[:file][:tempfile].read) }
        #Make a request to API using client_id and private_key
        file = GroupDocs::Storage::File.upload!(filepath, {})
      when 'url'
        #Upload file from defined url
        file = GroupDocs::Storage::File.upload_web!(settings.url)
      else
        raise 'Wrong GUID source.'
    end


    file = file.to_document
    #Create new user
    user = GroupDocs::User.new

    user.primary_email = settings.email
    user.nickname = settings.email
    user.first_name = settings.first_name
    user.last_name = settings.last_name

    user.roles = [{:id => '3', :name => 'User'}]
    #Update account
    new_user = GroupDocs::User.update_account!(user)



    #Set new collaboration
    file.set_collaborators!([settings.email], 2)

    #Get all collaborations
    collaborations = file.collaborators!()

    #Set document reviewers
    file.set_reviewers!(collaborations)

    #Prepare to sign url
    iframe = "/document-annotation2/embed/#{file.file.guid}?uid = #{new_user.guid}&download=true"
    # Construct result string
    url = GroupDocs::Api::Request.new(:path => iframe).prepare_and_sign_url
    #Generate iframe URL
    case base_path
      when 'https://stage-api-groupdocs.dynabic.com'
        iframe = "https://stage-api-groupdocs.dynabic.com#{url}"
      when 'https://dev-api-groupdocs.dynabic.com'
        iframe = "https://dev-apps.groupdocs.com#{url}"
      else
        iframe = "https://apps.groupdocs.com#{url}"
    end

    #Make iframe
    iframe = "<iframe id='downloadframe' src='#{iframe}' width='800' height='1000'></iframe>"

  rescue Exception => e
    err = e.message
  end

  #Set variables for template
  haml :sample22, :locals => {:userId => settings.client_id, :privateKey => settings.private_key, :fileId => settings.fileId, :email => settings.email, :firstName => settings.first_name, :lastName => settings.last_name, :iframe => iframe, :err => err}
end