#!/usr/bin/env ruby

require 'optparse'
require 'ostruct'
require 'virtual-machine'

# Paramteters
#      -env: DAT_VM_DATA=~/.cache/vm


# vm setup debian --arch "<host:arch64>" --name "<image_name: debian>"

options = OpenStruct.new
subcommand = ARGV.shift&.to_sym
parameter = ARGV[0] && ARGV[0] !~ /^-/ ? ARGV.shift : nil

OptionParser.new do |opt|
  opt.on('--arch ARCH', 'Architecture arm64 or x86_64') do |arch| 
    options.arch = arch
  end

  opt.on('--name NAME', 'Virtaul Machine name') do |name| 
    options.name = name
  end

  opt.on('--detached') do 
    options.detached = true
  end
  # --port (ssh port)
  # --attached (do not leave the shell process)
  # new from copy
  # fetch from the server
end.parse!


case subcommand
when :create
  puts "vm create debian-copy --name debian"
  puts "Creating image base on existing one...."
when :run
  # same as setup but fetches image not
  puts "Run the image or fetch and run...."
  options[:distro] = parameter
  VirtualMachine.run(options)

when :setup
  options[:distro] = parameter
  VirtualMachine.setup(options)
when :archive
  # whole image or files that are not present in the archived
  # --type files (zst all files by files)
  # by default
  #before start if should create index of files that are present on 
  # the vm, so later we can copy new files or changed 

  options[:distro] = parameter
  VirtualMachine.archive(options)

when :apply
  puts "apply chnages from VM to the host os"
when :restore
  options[:distro] = parameter
  VirtualMachine.restore(options)
  #puts "download image from remote or if local copy exists then the local copy"
when :daemon
  puts "setup a pprocess so i can attach to it"
  # paramaters exatly as run/setup
when :execute
  puts "vm execute debian --file example.sh --attach (block terminal till done otherwiese notifi when done)"
  puts "if name not provided then use the last accessed"
when :status
  puts "Print all images and status stopped/daemon(port)/running(port/)"
when :attach
  puts "if not paramteres attaches to last used"
else
  puts "Error not found #{options.type}"
end