require 'bonsai'
require 'liquid'
require 'maruku'
require 'json'
require 'ronn'
require 'tempfile'
require 'yaml'

module ExtraFilters
  def markdownify(input)
    Maruku.new(input).to_html
  end

  def sanitize(input)
    input.gsub(/[^a-zA-Z0-9_]/,"")
  end

  def json(input)
    input.to_json
  end
  
  def unique(input)
    @n = (@n || 0) + 1
    input + @n.to_s
  end
end

Liquid::Template.register_filter(ExtraFilters)


task :serve do
  begin
    Bonsai.log "Press Control+C to quit"
    
    require 'rack'
    require 'sinatra'
    require 'watch'
    require 'launchy'
    
    Bonsai.root_dir = Dir.pwd
    
    server = fork {        
      app = Rack::Builder.app {
        map "/jq" do
          use Bonsai::StaticPassThrough, :root => Bonsai.root_dir + "/output", :urls => ["/"]
        end
        run Bonsai::DevelopmentServer
      }
      Rack::Handler.default.run(app, :Port => 5000) do
        Launchy.open("http://localhost:5000/jq")
      end
    }    
    Watch.new("{content,templates,public}/**/*") { Bonsai::Exporter.process! }
  rescue Interrupt
    Process.kill("QUIT", server)
    Process.wait(server)
    exit
  end
end

task :build do
  Bonsai.root_dir = Dir.pwd
  Bonsai::Exporter.publish!
end

def load_manual
  YAML::ENGINE.yamler = 'syck'
  YAML::load(File.open("content/3.manual/manual.yml"))
end

task :manpage do
  Tempfile.open "manpage" do |f|
    manual = load_manual
    f.puts manual['manpage_intro']
    f.puts manual['body']
    manual['sections'].each do |section|
      
      f.puts "## #{section['title'].upcase}\n"
      f.puts section['body']
      f.puts ""
      (section['entries'] || []).each do |entry|
        f.puts "### #{entry['title']}\n"
        f.puts entry['body']
        f.puts ""
        (entry['examples'] || []).each do |example|
          f.puts "    jq '#{example['program']}'"
          f.puts "       #{example['input']}"
          f.puts "    => #{example['output'].join(", ")}"
          f.puts
        end
      end
      f.puts ""
    end
    f.puts manual['manpage_epilogue']
    f.close
    puts Ronn::Document.new(f.path).convert('roff').gsub(/<\/?code>/,"")
  end  
end

task :mantests do
  load_manual['sections'].each do |section|
    (section['entries'] || []).each do |entry|
      (entry['examples'] || []).each do |example|
        puts example['program'].gsub("\n", " ")
        puts example['input']
        example['output'].each do |s| puts s end
        puts
      end
    end
  end
end