#!/usr/bin/env ruby
begin
  require "juicer/merger/javascript_merger"
rescue LoadError => err
  puts "Install juicer to build Sinon.JS"
  if !defined?(Gem)
    puts "RubyGems is not loaded. Perhaps that is why juicer can not be found?"
  end
  exit
end

require "fileutils"
require "pathname"

def add_license(file, version)
  contents = File.read(file)

  File.open(file, "w") do |f|
    f.puts <<PREAMBLE
/**
 * Sinon.JS #{version}, #{Time.now.strftime("%Y/%m/%d")}
 *
 * @author Christian Johansen (christian@cjohansen.no)
 * @author Contributors: https://github.com/cjohansen/Sinon.JS/blob/master/AUTHORS
 *
 * #{File.read("LICENSE").split("\n").join("\n * ")}
 */

"use strict";
PREAMBLE

    f.puts(contents.gsub("\"use strict\";\n", ""))
  end
end

def add_buster_format(file)
  if !File.exists?("./node_modules/buster-format")
    puts <<-MSG
buster-format not found, skipping. To build with buster-format support:
    mkdir node_modules
    git submodule add git://gitorious.org/buster/buster-format.git node_modules/buster-format
    cd node_modules/buster-format
    npm link
    MSG
    return file
  end
  contents = File.read(file)

  File.open(file, "w") do |f|
    f.puts("var sinon = (function () {")
    f.puts(File.read("./node_modules/buster-format/node_modules/buster-core/lib/buster-core.js"))
    f.puts(File.read("./node_modules/buster-format/lib/buster-format.js").gsub("var buster = this.buster || {};", ""))
    f.puts(contents)
    f.puts("return sinon;}.call(typeof window != 'undefined' && window || {}));")
  end

  file
end

Dir.chdir(File.dirname(__FILE__)) do
  version = File.read("package.json").match(/"version":\s+"(.*)"/)[1]
  version_string = ARGV[0] == "plain" ? "" : "-#{version}"
  output = "pkg/sinon#{version_string}.js"

  FileUtils.mkdir("pkg") unless File.exists?("pkg")
  merger = Juicer::Merger::JavaScriptMerger.new
  merger << "lib/sinon/test_case.js"
  merger << "lib/sinon/assert.js"
  merger.save(output)
  add_license(add_buster_format(output), version)

  File.open("pkg/sinon-ie#{version_string}.js", "w") do |f|
    f.puts(File.read("lib/sinon/util/timers_ie.js"))
    f.puts("\n")
    f.puts(File.read("lib/sinon/util/xhr_ie.js"))
  end

  add_license("pkg/sinon-ie#{version_string}.js", version)

  FileUtils.cp("lib/sinon/util/fake_timers.js", "pkg/sinon-timers#{version_string}.js")
  add_license("pkg/sinon-timers#{version_string}.js", version)
  FileUtils.cp("lib/sinon/util/timers_ie.js", "pkg/sinon-timers-ie#{version_string}.js")
  add_license("pkg/sinon-timers-ie#{version_string}.js", version)

  merger = Juicer::Merger::JavaScriptMerger.new
  merger << "lib/sinon/util/fake_server_with_clock.js"
  merger.save("pkg/sinon-server#{version_string}.js")
  add_license("pkg/sinon-server#{version_string}.js", version)
  `cp #{output} pkg/sinon.js`
  `cp pkg/sinon-ie#{version_string}.js pkg/sinon-ie.js`

  puts "Built Sinon.JS #{version}"
end