module App42::Command
  class Service < Base

    # list all available service of requested user
  	def get_services
  	  build_get_request params, 'info', 'services'	
  	end    
     
    # ask service name to user
    def get_service
      service_hash = {}
      
      get_services['services'].select {|each_service| service_hash["#{each_service['id']}"] = each_service['name'] + ' ' + each_service['version']}        
      service = input "Select Service", service_hash.values, true
      
      service_id = nil
      service_hash.each_pair{|s| service_id = s[0] if s[1] == service}
      return service_id
    end

    def get_user_services#:nodoc:
      build_get_request params, 'service', nil
    end

    def get_uploadbackup_path #:nodoc: 
      path = ask(Paint["\nEnter Backup File Path", :cyan])
      valid_path = validate_upload_backup_path path.strip
      valid_path ? (return valid_path) : get_uploadbackup_path
    end

    # ask service name to user
    def ask_service_name
      service_name = ask Paint["Enter Service Name", :cyan]
      valid_service_name = validate_app_and_service_name "Service name", service_name.strip
      valid_service_name ? (return valid_service_name) : ask_service_name
    end

    # ask old password to user
    def ask_service_token
      input "Enter Service Token", [], true
    end

    # ask source id to user which he want to bind to service
    def ask_source_ip what
      ip = input "#{Message::BIND_NOTE}", [], true if what.to_s == 'bind'
      ip = input "#{Message::UNBIND_NOTE}", [], true  if what.to_s == 'unbind'
      ip_address = ip.strip
      if ip_address_valid? ip_address
        return ip_address
      else
        message "#{Message::IP_NOT_VALID}", true, 'red'
        ask_source_ip what
      end
    end

    # ask database name to user
    def ask_database_name
      database_name = input "Enter Database Name", [], true
      valid_database_name = validate_database_name "Database name", database_name
      valid_database_name ? (return valid_database_name) : ask_database_name
    end

    # ask users service name to user
    def ask_user_service_name 
      service_list = []
      get_user_services['services'].select {|service| service_list << service['name'] }
      input "Select Service", service_list, true
    end

    
    # ask service name to user
    def get_service_name
      service_name = ask_service_name
      service_name = service_name_availability service_name
      service_name ? (return service_name) : get_service_name
    end

    # collect all required data from user to create new service 
  	def create
      service_name = get_service_name

      service = get_service

      database = ask_database_name
        
      vm_type = get_vm_types
      
      iaas = get_iaas_providers

      os = get_os_for_service iaas, vm_type, service
      
      kontena =  get_vmconfig
      
      create_service service, service_name , database, vm_type, iaas, kontena, os
    
  	end

    # collect service name from user and proceed service delete request
  	def delete
      @options[:service] = ask_service_name  if @options[:service].nil?
      response = delete_service @options[:service] if is_service_exist? @options[:service]
      exit! if response
  	end

    # collect service name from user and proceed service start request
    def start
      @options[:service] = ask_service_name  if @options[:service].nil?
      response = service_operation __method__, @options[:service] if is_service_exist? @options[:service]
      exit! if response
    end

    # collect service name from user and proceed service restart request
    def restart
      @options[:service] = ask_service_name  if @options[:service].nil?
      response = service_operation __method__, @options[:service] if is_service_exist? @options[:service]
      exit! if response
    end

    # collect service name from user and proceed service stop request
    def stop
      @options[:service] = ask_service_name  if @options[:service].nil?
      response = service_operation __method__, @options[:service] if is_service_exist? @options[:service]
      exit! if response
    end

    # read +app name+ and number of +instance+ from user
    # then vertically descale app by no of instance
    def uploadbackup
      @options[:service] = ask_service_name if @options[:service].nil?
      path = get_uploadbackup_path if is_service_exist? @options[:service]
      restore = ask(
            Paint["\nDo you also want to restore uploaded backup?", :cyan],
            :default => true
        )
      
      status = upload_service_backup @options[:service], path, restore
      return status
    end

    # collect service name from user and proceed service resetPassword request
    def reset_pass
      @options[:service] = ask_service_name  if @options[:service].nil?
      service_token = ask_service_token if is_service_exist? @options[:service]
      res = reset_password @options[:service], service_token
      (puts message "Your new password is: #{res['service']['password']}", false, 'green') && exit! if res
    end

    # collect service name,source IP and access time from user and proceed service resetPassword request
    def service_bind
      @options[:service] = ask_service_name  if @options[:service].nil?
      source_ip = ask_source_ip 'bind' if is_service_exist? @options[:service]
      create_service_tunnel @options[:service], source_ip 
    end

    # collect service name and source IP from user and proceed service unbind request
    def service_unbind
      @options[:service] = ask_service_name  if @options[:service].nil?
      source_ip = ask_source_ip 'unbind' if is_service_exist? @options[:service]
      res = delete_service_tunnel @options[:service], source_ip 
      exit! if res
    end

    # list details of specific service
    def service_bindInfo
      @options[:service] = ask_user_service_name if @options[:service].nil?
      query_params = params 
      query_params.store('serviceName', @options[:service])
      service_info = build_get_request query_params, 'service', "tunnel/#{@options[:service]}"
      
      rows, rows_header_final, rows_header = [], [], nil
      if service_info && service_info['service']
        rows_header = service_info['service'].keys 
        rows << service_info['service'].values

        rows_header.map { |e| rows_header_final << camel_case_to_whitespace(e) }
        
        table = Terminal::Table.new  :title => Paint["=== #{@options[:service]} Details ===", :green], :headings => rows_header_final, :rows => rows
        puts table
      end
    end

    # list all available service on app42pass
    def app42pass_services
      rows, rows_header_final, rows_header = [], [], nil
      services = get_services
      if services && services['services']
        services['services'].each do |e|
          e.delete('id')
          rows_header = e.keys 
          rows << e.values
        end #unless services.nil?

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

        table = Terminal::Table.new  :title => Paint["=== App42 PaaS Services ===", :green], :headings => rows_header_final, :rows => rows
        puts table
      end
    end

    # list all available service on app42pass
    def services
      rows, rows_header_final, rows_header = [], [], nil
      services =  get_user_services
      if services && services['services']
        services['services'].each do |e|
          rows_header = e.keys 
          rows << e.values
        end

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

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

    # list details of specific service
    def info
      @options[:service] = ask_user_service_name if @options[:service].nil?
      query_params = params
      query_params.store('serviceName', @options[:service])
      service_info = build_get_request query_params, 'service', "#{@options[:service]}"
      
      rows, rows_header_final, rows_header = [], [], nil
      if service_info && service_info['service']
        rows_header = service_info['service'].keys 
        rows << service_info['service'].values

        rows_header.map { |e| rows_header_final << camel_case_to_whitespace(e) }
        
        table = Terminal::Table.new  :title => Paint["=== #{@options[:service]} Details ===", :green], :headings => rows_header_final, :rows => rows
        puts table
      end
    end

  end
end