# encoding: utf-8

require 'rubygems'
require 'bundler'
begin
  Bundler.setup(:default, :development)
rescue Bundler::BundlerError => e
  $stderr.puts e.message
  $stderr.puts "Run `bundle install` to install missing gems"
  exit e.status_code
end
require 'rake'

require 'jeweler'
Jeweler::Tasks.new do |gem|
  # gem is a Gem::Specification... see http://docs.rubygems.org/read/chapter/20 for more options
  gem.name = "sugar_png"
  gem.homepage = "http://github.com/zed-0xff/sugar_png"
  gem.license = "MIT"
  gem.summary = %Q{a syntax sugar of PNG manipulation}
  #gem.description = %Q{TODO: longer description of your gem}
  gem.email = "zed.0xff@gmail.com"
  gem.authors = ["Andrey \"Zed\" Zaikin"]
  #gem.executables = %w'sugar_png'
  gem.files.include "lib/**/*.rb"
  gem.files.include "data/font/??"
  # dependencies defined in Gemfile
end
Jeweler::RubygemsDotOrgTasks.new

require 'rspec/core'
require 'rspec/core/rake_task'
RSpec::Core::RakeTask.new(:spec) do |spec|
  spec.pattern = FileList['spec/**/*_spec.rb']
end

RSpec::Core::RakeTask.new(:rcov) do |spec|
  spec.pattern = 'spec/**/*_spec.rb'
  spec.rcov = true
end

task :default => :spec

desc "build readme"
task :readme do
  dir = "samples/readme"
  FileUtils.mkdir_p(dir) unless Dir.exist?(dir)

  tpl = File.read('README.md.tpl')
  Dir.chdir "tmp"
  result = tpl.gsub(/^### ([^~`\n]+?)\n```ruby(.+?)^```/m) do |x|
    title, code = $1, $2
    fname = File.join(
      dir,
      title.split(/\W+/).join('_').sub(/^_+/,'').sub(/_+$/,'').downcase + ".png"
    )
    
    File.open("tmp.rb", "w:utf-8") do |f|
      f.puts "#coding: utf-8"
      f.puts "$:.unshift('../lib')"
      f.puts "require 'sugar_png'"
      f.puts "srand 0"
      f.puts code
      f.puts <<-EOF
        if defined?(@data) && @data
          File.open("out.png","wb"){ |f| f<<@data }
        end
      EOF
    end

    puts "[.] #{fname} .. "
    system "ruby tmp.rb"
    exit unless $?.success?
    raise "[?] no out.png" unless File.exist?("out.png")
    FileUtils.mv "out.png", "../#{fname}"

    url = File.join("//raw.github.com/zed-0xff/sugar_png/master", fname)
    img = %Q|<img src="#{url}" alt="#{title}" title="#{title}" align="right" />|

    x.sub(title,title+"\n"+img)
  end
  Dir.chdir ".."
  File.open('README.md','w'){ |f| f << result }
end

Rake::Task[:console].clear

# from /usr/local/lib64/ruby/gems/1.9.1/gems/jeweler-1.8.4/lib/jeweler/tasks.rb
desc "Start IRB with all runtime dependencies loaded"
task :console, [:script] do |t,args|
  dirs = ['./ext', './lib'].select { |dir| File.directory?(dir) }

  original_load_path = $LOAD_PATH

  cmd = if File.exist?('Gemfile')
          require 'bundler'
          Bundler.setup(:default)
        end

  # add the project code directories
  $LOAD_PATH.unshift(*dirs)

  # clear ARGV so IRB is not confused
  ARGV.clear

  require 'irb'

  # ZZZ actually added only these 2 lines
  require 'sugar_png'
  include ZPNG

  # set the optional script to run
  IRB.conf[:SCRIPT] = args.script
  IRB.start

  # return the $LOAD_PATH to it's original state
  $LOAD_PATH.reject! { |path| !(original_load_path.include?(path)) }
end