require 'ostruct'
require 'find'
require 'fileutils'

require 'fs/MiqFS/MiqFS'
require 'fs/MetakitFS/MetakitFS'

# MK_FILE = "mk4test"
MK_FILE = "newmkfs"
FROM_DIR = "../.."
SAMP_FILE = "/lib/fs/MetakitFS/MetakitFS.rb"

def copyIn(fs, ff, tf)
  File.open(ff) do |ffo|
    tfo = fs.fileOpen(tf, "wb")
    while (buf = ffo.read(1024))
      tfo.write(buf, buf.length)
    end
    tfo.close
  end
end

begin
  # begin
  #     File.delete(MK_FILE)
  # rescue
  # end
  # FileUtils.cp("hello", MK_FILE)

  dobj = OpenStruct.new
  dobj.mkfile = MK_FILE
  dobj.create = true

  unless MetakitFS.supported?(dobj)
    puts "#{MK_FILE} is not a mkfs"
    exit
  end

  mkFS = MiqFS.new(MetakitFS, dobj)

  # Dir.chdir FROM_DIR
  # Find.find(".") do |path|
  #     if File.directory? path
  #         Find.prune if File.basename(path) == ".svn"
  #         puts "Creating directory: #{path}"
  #         mkFS.dirMkdir(path)
  #     else
  #         next if File.basename(path) == MK_FILE
  #         puts "Copying file: #{path}"
  #         copyIn(mkFS, path, path)
  #     end
  # end

  puts
  puts "*****************************"
  puts

  # puts "fsId = #{mkFS.fsId}"
  # puts "Tags for /:"
  # mkFS.tags("/").each { |t| puts "\t#{t}" }
  # puts

  mkFS.findEach("/") do |path|
    puts "\t#{path}"
    mkFS.fileOpen(path) do |_fo|
      # tags = fo.tags
      # if !tags.empty?
      #     puts "\tTAGS:"
      #     tags.each { |t| puts "\t\t#{t}" }
      #     puts
      # end
    end
  end

  unless mkFS.hasTagName?("/", "LABEL")
    puts "*** Adding label..."
    mkFS.tagAdd("/", "LABEL=MIQPAYLOAD")
  end

  exit

  puts
  puts "*****************************"
  puts

  fo = mkFS.fileOpen(SAMP_FILE)
  fo.addTag("Rich")
  fo.addTag("was")
  fo.addTag("here")
  fo.close

  puts "FILE: #{SAMP_FILE}"
  mkFS.fileOpen(SAMP_FILE) do |fo|
    puts "\tTAGS:"
    fo.tags.each { |t| puts "\t\t#{t}" }
    puts
    puts "***** CONTENTS:"
    unzipper = Zlib::Inflate.new
    while (buf = fo.read(1024)).length != 0
      unzipper << buf
    end
    puts unzipper.inflate(nil)
  end

  fo = mkFS.fileOpen(SAMP_FILE)
  fo.deleteTag("was")
  puts "\tTAGS:"
  fo.tags.each { |t| puts "\t\t#{t}" }
  fo.close
rescue => err
  puts err.to_s
  puts err.backtrace.join("\n")
end