namespace :ext do

rootdir = Pathname('extensions')

desc 'Build Chrome Extension'
task chrome: 'chrome:build'

namespace :chrome do
  dist   = Pathname('dist/crx')
  extdir = rootdir.join(dist)
  manifest_json = rootdir.join('chrome/manifest.json')

  directory extdir

  task build: [ extdir, 'lib:templates' ] do
    cd rootdir do
      cp_r [ 'img/', 'tmp/lib/' ], dist
      %x`cd chrome && git ls-files`.split("\n").each do |src|
        dest = dist.join(src)
        mkdir_p dest.dirname
        cp Pathname('chrome').join(src), dest
      end
    end
  end

  # Generate a .crx file.
  task crx: [ :build, :npm ] do
    out = "crx-web-console-#{JSON.parse(File.read(manifest_json))["version"]}.crx"
    cd(extdir) { sh "node \"$(npm bin)/crx\" pack ./ -p ../crx-web-console.pem -o ../#{out}" }
  end

  # Generate a .zip file for Chrome Web Store.
  task zip: [ :build ] do
    version = JSON.parse(File.read(manifest_json))["version"]
    cd(extdir) { sh "zip -r ../crx-web-console-#{version}.zip ./" }
  end

  desc 'Launch a browser with the chrome extension.'
  task run: [ :build ] do
    cd(rootdir) { sh "sh ./script/run_chrome.sh --load-extension=#{dist}" }
  end
end

task :npm do
  cd(rootdir) { sh "npm install --silent" }
end

namespace :lib do
  templates = Pathname('lib/web_console/templates')
  tmplib    = rootdir.join('tmp/lib/')
  js_erb    = FileList.new(templates.join('**/*.js.erb'))
  dirs      = js_erb.pathmap("%{^#{templates},#{tmplib}}d")

  task templates: dirs + js_erb.pathmap("%{^#{templates},#{tmplib}}X")

  dirs.each { |d| directory d }
  rule '.js' => [ "%{^#{tmplib},#{templates}}X.js.erb" ] do |t|
    File.write(t.name, WebConsole::Testing::ERBPrecompiler.new(t.source).build)
  end
end

end