require 'pathname'

TYPE = 'code'
TZCODEDIR = "C:/Downloads/tz#{TYPE}"
S7Z = "\"C:/Program Files (x86)/7-Zip/7z.exe\""
OUT = "D:/dev/tz#{TYPE}git"
INIT = false

def push_changes(f)
  gz = Pathname(f)
  dir = gz.dirname
  tar = gz.name
  name = tar.name

  system "#{S7Z} x #{gz} -y"
  list = `#{S7Z} l #{tar} -y`
  puts name
  t = list.scan(/^(\d\d\d\d)-(\d\d)-(\d\d)\s(\d\d):(\d\d):(\d\d)\s/).map{|y,mon,d,h,min,c|
    Time.local(y.to_i, mon.to_i, d.to_i, h.to_i, min.to_i, c.to_i).utc
  }.sort.last
  p t
  Dir['*'].select{|del| del !~ /\.git$/ && del !~ /#{tar}$/ }.each(&File.method(:delete))
  system "#{S7Z} x #{tar} -y"
  File.delete(tar)

  system "git add ."
  ENV['GIT_AUTHOR_DATE'] = t.to_s
  system "git commit -a --author \"tz <tz@elsie.nci.nih.gov>\"  -m #{name}"
  system "git tag #{name}"
  system "git push"
  system "git push --tags"
end

def sorted_archives
  Dir[File.join(TZCODEDIR, "tz*#{TYPE}*.{gz,Z}")].sort_by{|a|
    v = a[/\d+[a-z]?(?=\.)/]
    n = v.to_i
    n += 1900 if n < 100
    "#{n}-#{v[/[a-z]/]}#{a =~ /tz(\d\d)/ ? "-#{$1}" : ""}"
  }
end

Pathname.class_eval {
  def name
    self.basename.sub(/#{self.extname}$/, '')
  end
}

Dir.chdir OUT

if INIT
  system "git init"
  system "git config core.autocrlf input"

  sorted_archives.each{|f| push_changes(f) }
else
  push_changes(sorted_archives.last)
end