class PhusionPassenger::Config::CompileNginxEngineCommand

def self.create_option_parser(options)
  OptionParser.new do |opts|
    nl = "\n" + ' ' * 37
    opts.banner = "Usage: passenger-config compile-nginx-engine [OPTIONS]\n"
    opts.separator ""
    opts.separator "  Compile an Nginx engine, for use in #{PROGRAM_NAME} Standalone."
    opts.separator ""
    opts.separator "Options:"
    opts.on("--working-dir PATH", String, "Store temporary files in the given#{nl}" +
      "directory, instead of creating one") do |val|
      options[:working_dir] = val
    end
    opts.on("--nginx-version VERSION", String, "Nginx version to compile. " +
      "Default: #{PREFERRED_NGINX_VERSION}") do |val|
      options[:nginx_version] = val
    end
    opts.on("--nginx-tarball PATH", String, "Use the given Nginx tarball instead of#{nl}" +
      "downloading it. You MUST also specify the#{nl}" +
      "Nginx version with --nginx-version") do |val|
      options[:nginx_tarball] = val
    end
    opts.on("-f", "--force", "Skip sanity checks") do
      options[:force] = true
    end
    opts.on("--no-force-tip", "Do not print any tips regarding the --force#{nl}" +
      "parameter") do
      options[:force_tip] = false
    end
    opts.on("--connect-timeout SECONDS", Integer,
      "The maximum amount of time to spend on DNS#{nl}" +
      "lookup and establishing the TCP connection.#{nl}" +
      "Default: 30") do |val|
      options[:connect_timeout] = val
    end
    opts.on("--idle-timeout SECONDS", Integer, "The maximum idle read time. Default: 30") do |val|
      options[:idle_timeout] = val
    end
    opts.on("-h", "--help", "Show this help") do
      options[:help] = true
    end
  end
end

def help
  puts @parser
end

def initialize_objects
  @colors = Utils::AnsiColors.new(@options[:colorize])
  if !@options[:nginx_version]
    if @options[:nginx_tarball]
      abort "#{@colors.red}Error: if you specify --nginx-tarball, " +
        "you must also specify --nginx-version.#{@colors.reset}"
    else
      @options[:nginx_version] = PREFERRED_NGINX_VERSION
    end
  end
end

def run
  @options = {
    :colorize => :auto,
    :force_tip => true,
    :connect_timeout => 30,
    :idle_timeout => 30
  }
  parse_options
  initialize_objects
  sanity_check
  if !NginxEngineCompiler.new(@options).run
    abort
  end
end

def sanity_check
  return if @options[:force]
  if PhusionPassenger.find_support_binary("nginx-#{@options[:nginx_version]}")
    puts "#{@colors.green}The Nginx engine (version #{@options[:nginx_version]}) " +
      "is already installed.#{@colors.reset}"
    if @options[:force_tip]
      puts "If you want to recompile it, re-run this program with the --force parameter."
    end
    exit
  end
end