#!/usr/bin/env ruby
# Converts tiddlywki tiddlers into files which can be imported into Notational Velocity
require 'fileutils'
require 'rexml/document'
require 'time'
require 'date'

tiddlywiki_location = ARGV[0]
if tiddlywiki_location.nil?
	puts "Please specify the location of your Tiddliwki"
	exit
end

# Load in the tiddlywiki
File.open(tiddlywiki_location, 'r') do |file|
  xml = REXML::Document.new(file.read)
  puts "Parsed wiki file..."

  start = xml.elements['html/body/div[@id=\'storeArea\']']
  if start.nil?
    puts "Looks like this isn't a TiddlyWiki!"
    return
  end

  FileUtils.mkdir("notes") rescue nil

  start.elements.each do |child|
    unless child.attributes['title'].nil?
      # Must have a tiddler
      title = child.attributes['title']
      modifier = child.attributes['modifier']
      created_on = Date.parse(child.attributes['created'])
      updated_on = child.attributes['modified'].nil? ? created_on : Date.parse(child.attributes['modified'])
      tags = child.attributes['tags'].nil? ? [] : child.attributes['tags'].split(' ')

      content = child.elements[1]
      unless content.nil?
        content_data = content.text
        #puts "#{title} #{updated_on}"
        #puts "tags: #{tags}"
        #puts "------"
        #puts content_data
        #puts "######"


        File.open("notes/#{title}.txt", 'w') do |f|
          f.write "#{title}\n\n"
          f.write content_data
        end

        sanitized_title = title.gsub(' ', '\\ ').gsub('(', '\\(').gsub(')', '\\)')
        puts ['touch', '-t', created_on.strftime("%Y%m%d%H%M.%S"), "notes/#{sanitized_title}.txt"].join(' ')
        `touch -t #{created_on.strftime("%Y%m%d%H%M.%S")} notes/#{sanitized_title}.txt`
      end
    end
  end

end