#!/usr/bin/env ruby

require "yaml"
require "colorize"

class Educatic
  attr_reader :settings

  def initialize(filename)
    @settings = YAML.load(File.read(filename))
    @services = settings["services"]
  end

  def check
    @services.each_pair do |key, value|
      output = []
      todo = value['todo'] || []

      check_hostname(value, output: output, todo: todo)

      unless value['todo'].nil?
        todo.each_with_index do |line, index|
          output << "      #{index + 1}. #{line}"
        end
      end

      unless output.size.zero?
        puts "==> [Hetzner #{value['hetzner'].upcase}] #{key}"
        puts output.join("\n")
      end
    end
  end

  def show_urls
    @services.each_pair do |key, value|
      puts "#{key.rjust(16)} : #{value['hostname']}"
    end
  end

  private

  def check_hostname(value, output:, todo:)
    cmd = "host #{value['ip']}| grep #{value['hostname']}| wc -l"
    counter = %x[#{cmd}].to_i
    if counter.zero?
      output << "    Check this:"
      output << "      * hostname = #{value['hostname']}"
      output << "      * ip = #{value['ip']}"
    end

    if (value['hostname'].end_with? ".info" or value['hostname'].end_with? "clients.your-server.de")
       todo << "Cambiar <#{value['hostname']}> el dominio @txs.es"
    end
  end
end