#!/usr/bin/env ruby

require "fileutils"

Dir.glob("../../danbarber.me/_posts/*.md").each do |file|
  name = file.split("/").last.split(".")[0..-2].join

  FileUtils.mkdir_p("blog/#{name}")

  # Read the file and scan for images
  content = File.read(file)
  content.scan(/blog\/(.*\.(?:jpg|jpeg|png))/) do |image|
    image = image[0]

    if File.exists?("../../danbarber.me/_pictures/blog/#{image}")
      FileUtils.cp("../../danbarber.me/_pictures/blog/#{image}", "blog/#{name}")
    end
  end

  newcontent = content.gsub(
    /{% picture [a-z\-]+\s(?:\S+\/)+([^\/]+\.(?:jpg|jpeg|png))\s+(?:alt="([^"]*)"\s+)?%}/m,
  ) do |match|
    image, alt, caption = match.match(/{% picture [a-z\-]+\s(?:\S+\/)+([^\/]+\.(?:jpg|jpeg|png))\s+(?:alt="([^"]*)"\s+)?%}/m).captures

    <<~TAG
      {{< img src="#{image}" alt="#{alt}" caption="#{caption}" >}}
    TAG
  end

  File.open("blog/#{name}/index.md", "w") do |f|
    f.write(newcontent)
  end
end