require "#{$script_dir}/tasks/output-task.rb"

class SingleOutputTask < OutputTask

  option :output_name, ""
  
  def initialize(target, options)
    super(target, options)

    type= output_extension
    return if (!type)

    if (!output_name.empty?)
      target_name= "#{output_name}"
      prefix= "#{output_folder}/"
    else
      target_name= "#{target.target_name}".downcase
      prefix= "#{output_folder}/#{project_name}"
      if ("all"==target_name)
        target_name= ""
      else
        prefix= "#{prefix}-"
      end
    end

    @name_concat= "#{prefix}#{target_name}-uncompressed#{type}"
    @name_min= "#{prefix}#{target_name}#{type}"
    @name_gz= "#{prefix}#{target_name}#{type}.gz"
    @name_debug= "#{prefix}#{target_name}-debug#{type}"

    @concatenation_join_string= ""
    @products= [@name_concat, @name_min, @name_gz, @name_debug]
    
    @concat = ""
    @debug = ""
  end

  def process_file(file)
    if (!@concat.empty?)
      @concat << @concatenation_join_string||""
    end
    @concat << file.filtered_content(options)
    @debug << file.debug_content(options)
  end
  
  def process_files
    @included_files.each { |f| process_file(f) }
  end

  def finish
    return if (!output_type)
    
    # Clear old files
    [@name_concat, @name_min, @name_gz, @name_debug].each { |file|
      next if (!File.exists?(file))
      File.delete(file)
    }

    return if (""==@concat)

    params= {
      "VERSION"=>@options.version
    }

    concat= replace_tokens(@concat, params)
    
    File.open(@name_concat, "w") { |f|
      f.write(notice_text)
      f.write(concat)
    }
    
    minified= minify(concat)

    File.open(@name_min, "w") { |f|
      f.write(notice_text)
      f.write(minified)
    }
    
    Zlib::GzipWriter.open(@name_gz) { |f|
      f.write(notice_text)
      f.write(minified)
    }

    return if (""==@debug)
    
    File.open(@name_debug, "w") { |f|
      f.write(notice_text)
      debug= replace_tokens(@debug, params)
      f.write(debug)
    }
  end

end