module Roro

  class CLI < Thor
    
    no_commands do
      
      def get_configuration_variables
        options["interactive"] ? set_interactively : set_from_defaults
        @env_hash[:deploy_tag] = "${CIRCLE_SHA1:0:7}"
        @env_hash[:server_port] = "22"
        @env_hash[:server_user] = "root"
        @env_hash
      end
      
      def set_from_defaults
        @env_hash = configuration_hash
        @env_hash.map do  |key, hash| 
          @env_hash[key] = hash.values.last 
        end
        @env_hash
      end
      
      def set_interactively
        @env_hash = configuration_hash
        @env_hash.map do |key, prompt|
          answer = ask("Please provide #{prompt.keys.first} or hit enter to accept: \[ #{prompt.values.first} \]")
          @env_hash[key] = (answer == "") ? prompt.values.first : answer
        end  
      end 
      
      private
      
      def configuration_hash
        {
          app_name: {
            "the name of your app" => `pwd`.split('/').last.strip! },
          ruby_version: {
            "the version of ruby you'd like" => `ruby -v`.scan(/\d.\d/).first },
          server_host: {
            "the ip address of your server" => "ip-address-of-your-server"},
          database_container: {
            "the name of your database container" => "database"},
          frontend_container: {
            "the name of your frontend container" => "frontend"},
          server_container: {
            "the name of your server container" => "nginx"},
          dockerhub_email: {
            "your Docker Hub email" => "your-docker-hub-email"},
          dockerhub_user: {
            "your Docker Hub username" => "your-docker-hub-user-name" },
          dockerhub_org: {
            "your Docker Hub organization name" => "your-docker-hub-org-name"},
          dockerhub_password: {
            "your Docker Hub password" => "your-docker-hub-password"},
          postgres_user: {
            "your Postgres username" => "postgres"},
          postgres_password: {
            "your Postgres password" => "your-postgres-password"} }
      end
    end
  end 
end