#!/usr/bin/env ruby

require "date"
require "fileutils"
require "front_matter_parser"

unsafe_yaml_loader = ->(string) { YAML.load(string) }

Dir.glob("./**/*.md").each do |file|
  parsed_file = FrontMatterParser::Parser.
    parse_file(file, loader: unsafe_yaml_loader)

  date = DateTime.parse(parsed_file["date"].to_s).iso8601

  new_content = <<~CONTENT
    #{parsed_file.front_matter.merge("date" => date).to_yaml}---

    #{parsed_file.content}
  CONTENT

  File.open(file, "w") do |new_file|
    new_file.write(new_content)
  end
end