require "haml"
require "listen"
require "pandoc-ruby"
require "time"
require "gemoji-parser"

require "./helpers"

LAYOUT = "content/layout.haml"

task default: :build

task :build do
  build
end

task :listen do
  listener = Listen.to(".", "content/", only: /\.md|\.haml/) do |modified, added, removed|
    paths = [modified, added, removed].flatten.map { |path|
      ContentFile.new(path).basename
    }.join(",")

    puts "Building site -- ts=#{Time.now.iso8601} modified=#{paths}"

    begin
      build
    rescue Exception => ex
      puts ex
      puts ex.backtrace
    end
  end

  trap("SIGINT") do
    puts
    exit(0)
  end

  puts "Listening for changes -- ts=#{Time.now.iso8601}"
  listener.start
  sleep
end

def build
  Dir["content/*"].each do |path|
    next if path == LAYOUT

    content_file = ContentFile.new(path)
    next if content_file.partial?

    File.open(File.join("site", content_file.stem + ".html"), "w") do |file|
      if content_file.fullpage?
        file.write(render(path))
      else
        file.write(render(LAYOUT) { render(path) })
      end
    end
  end
end