module Capucine
  class Incloudr

    require 'cdnjs.rb'
    require 'npm.rb'

    require 'open-uri'
    require 'fileutils'
    require 'packr'

    def initialize(capucine)
      @cap = capucine
    end

    def run_once
      files = @cap.settings.conf['incloudr_libs']
      return false if files.length == 0

      dir = File.join(@cap.settings.working_dir, @cap.settings.conf['incloudr_output_dir'])
      FileUtils.rm_r dir if File.exist?(dir)
      FileUtils.mkdir_p dir

      @file = nil

      files.each {|file| self.pack file}
      puts "[incloudr] - Packaged"
    end

    def pack file

      @file = file

      @file['version'] = @file['version'].to_s if @file['version']
      @file['type'] = @file['type'] || 'cdnjs'
      @file['type'] = 'url' if @file['source']

      name = @file['file_name'] || @file['name']

      @dir = @cap.settings.working_dir
      @conf = @cap.settings.conf

      @output = File.join(@dir, @conf['incloudr_output_dir'], name.gsub(/$/, '.js'))
      @output_min = File.join(@dir, @conf['incloudr_output_dir'], name.gsub(/$/, '.min.js'))

      self.cdnjs if @file['type'] == 'cdnjs'
      self.url if @file['type'] == 'url'
      # self.npm if @file['type'] == 'npm'
    end

    def url raw_content = nil
      if not raw_content
        begin
          content = open(@file['source']).read
        rescue => e
          puts "Error"
          return e
        end
      else
        content = raw_content
      end

      content_min = ""
      content_min << Packr.pack(content)

      f1 = File.open(@output, 'w+')
      f1.write(content)
      f1.close

      f2 = File.open(@output_min, 'w+')
      f2.write(content_min)
      f2.close
    end

    def cdnjs
      api = Capucine::CDNJS.new(@file['name'], @file['version'], content = false)

      if not api.result[:error]
        self.url api.result[:content]
      else
        puts "Error on #{@file['name']}"
      end
    end

    def npm
      # TODO !

    end


  end
end