module App42::Command
  class Config < Base
    
    # This version number is used as the RubyGem release version.
    def version
      puts message "App42 current version: #{App42::Version::VERSION::VERSION}", false, 'green'
    end

    # This will list all app42 available commands.
    def list
      message "All app42 available commands", true, 'blue'
      App42::Base::APP42_COMMAND.select { |action| puts Paint["app42 #{action}", :green]}
    end

    #
    # return list of virtual machine type
    #
    def get_vm_type
      build_get_request params, 'info', 'subscription'
    end

    #
    # return list of iaas_providers
    #
    def get_iaas_provider
      build_get_request params, 'info', 'iaasproviders'
    end

    #
    # return list of runtimes
    #
    def get_runtimes
      build_get_request params, 'info', 'runtimes'
    end

    #
    # return list of setup type
    #
    def get_setup_type_fm_server
      build_get_request params, 'info', 'setuptype'
    end

    #
    # return list of flavour
    #
    def get_flavour_type_fm_server
      build_get_request params, 'info', 'flavour'
    end

    #
    # return list of templates
    #
    def get_frameworks iaas, vm_type, rt
      query_params = params
      query_params.store('vmType', vm_type)
      query_params.store('iaas', iaas)
      query_params.store('runtime', rt)
      build_get_request query_params, 'info', 'frameworks'
    end

    #
    # return list of web server
    #
    def get_webservers iaas, vm_type, rt, framework
      query_params = params
      query_params.store('vmType', vm_type)
      query_params.store('iaas', iaas)
      query_params.store('runtime', rt)
      query_params.store('framework', framework)
      build_get_request query_params, 'info', 'webserver'
    end
    
    #
    # return list of operating system for app
    #
    def get_operating_sys_for_app iaas, vm_type, rt, framework, webserver
      query_params = params
      query_params.store('vmType', vm_type)
      query_params.store('iaas', iaas)
      query_params.store('runtime', rt)
      query_params.store('framework', framework)
      query_params.store('webServer', webserver)
      build_get_request query_params, 'info/app', 'os'
    end

    #
    # return list of operating system for service
    #
    def get_operating_sys_for_service iaas, vm_type, service
      query_params = params
      query_params.store('vmType', vm_type)
      query_params.store('iaas', iaas)
      query_params.store('service', service)
      build_get_request query_params, 'info/service', 'os'
    end
    
    #
    # return list of vm_configuration(memory)
    #
    def get_vmconfig resource, vm_type, iaas
      query_params = params
      query_params.store('vmType', vm_type)
      query_params.store('iaas', iaas)
      build_get_request query_params, "#{resource}", 'memory'
    end

    #
    # return list of iaas_provider
    #
  	def iaas_providers
      rows, rows_header_final, rows_header = [], [], nil
      get_iaas_provider['iaas'].each do |iaas|
        iaas.delete('id')
        rows_header = iaas.keys
        rows << iaas.values
      end

      rows_header.map { |e| rows_header_final << camel_case_to_whitespace(e) } 

      table = Terminal::Table.new  :title => Paint["=== Available IaaS Providers ===", :green], :headings => rows_header_final, :rows => rows
      puts table
  	end

    #
    # list app42paas supported frameworks
    #
    def frameworks
      runtime = get_runtime
      vm_type = get_vm_types
      iaas = get_iaas_providers
      framework = get_frameworks iaas, vm_type, runtime
      rows = []
      framework['frameworks'].each_pair do |key, value|
        rows << Array(value.capitalize)
      end unless framework['frameworks'].nil?

      table = Terminal::Table.new  :title => Paint["=== Available Frameworks ===", :green], :rows => rows
      puts table 
      print_new_line
    end

    #
    # list app42paas supported vm_type
    #
    def vm_type
      vm_type = get_config 'config', __method__
      puts Paint["=== Available virtual machine type ===", :green]
      vm_type['vm_type'].each do |vt|
        puts vt.capitalize
      end
    end

    #
    # list app42paas supported runtimes
    #
    def runtimes
      rows, rows_header_final, rows_header = [], [], nil
      
      get_runtimes['runtimes'].each do |rt|
        rt.delete('id')
        rows_header = rt.keys 
        rows << rt.values
      end

      rows_header.map { |e| rows_header_final << camel_case_to_whitespace(e) } 

      table = Terminal::Table.new  :title => Paint["=== Available Runtimes ===", :green], :headings => rows_header_final, :rows => rows
      puts table 
    end

    #
    # list app42paas supported memory
    #
    def memory
      vm_type = get_vm_types
      iaas = get_iaas_providers
      vmconfig = get_vmconfig vm_type, iaas
      rows = []
      vmconfig['vmconfig'].each_pair do |key, value|
        rows << Array(value.capitalize)
      end
      
      table = Terminal::Table.new  :title => Paint["=== Available vmconfigs ===", :green], :rows => rows
      puts table 
      print_new_line
    end

    #
    # update the app42paas client
    #
    def update
      puts 'Uninstalling current app42 client'
      system('gem uninstall app42')
      puts "Installing latest app42 client"
      system ("gem install app42-0.5.0.gem")
    end

  end	
end