require 'bundler'
require 'bundler/vendored_thor'

module Bundler
  class CLI < Thor
    include Thor::Actions

    def self.start(*)
      super
    rescue Exception => e
      Bundler.ui = UI::Shell.new
      raise e
    end

    def initialize(*)
      super
      ENV['BUNDLE_GEMFILE']   = File.expand_path(options[:gemfile]) if options[:gemfile]
      Bundler::Retry.attempts = options[:retry] || Bundler.settings[:retry] || Bundler::Retry::DEFAULT_ATTEMPTS
      Bundler.rubygems.ui = UI::RGProxy.new(Bundler.ui)
    rescue UnknownArgumentError => e
      raise InvalidOption, e.message
    ensure
      self.options ||= {}
      Bundler.ui = UI::Shell.new(options)
      Bundler.ui.level = "debug" if options["verbose"]
    end

    check_unknown_options!(:except => [:config, :exec])
    stop_on_unknown_option! :exec

    default_task :install
    class_option "no-color", :type => :boolean, :banner => "Disable colorization in output"
    class_option "verbose",  :type => :boolean, :banner => "Enable verbose output mode", :aliases => "-V"
    class_option "retry",    :type => :numeric, :aliases => "-r", :banner =>
      "Specify the number of times you wish to attempt network commands"

    def help(cli = nil)
      case cli
      when "gemfile" then command = "gemfile.5"
      when nil       then command = "bundle"
      else command = "bundle-#{cli}"
      end

      manpages = %w(
          bundle
          bundle-config
          bundle-exec
          bundle-install
          bundle-package
          bundle-update
          bundle-platform
          gemfile.5)

      if manpages.include?(command)
        root = File.expand_path("../man", __FILE__)

        if Bundler.which("man") && root !~ %r{^file:/.+!/META-INF/jruby.home/.+}
          Kernel.exec "man #{root}/#{command}"
        else
          puts File.read("#{root}/#{command}.txt")
        end
      else
        super
      end
    end

    desc "init [OPTIONS]", "Generates a Gemfile into the current working directory"
    long_desc <<-D
      Init generates a default Gemfile in the current working directory. When adding a
      Gemfile to a gem with a gemspec, the --gemspec option will automatically add each
      dependency listed in the gemspec file to the newly created Gemfile.
    D
    method_option "gemspec", :type => :string, :banner => "Use the specified .gemspec to create the Gemfile"
    def init
      require 'bundler/cli/init'
      Init.new(options.dup).run
    end

    desc "check [OPTIONS]", "Checks if the dependencies listed in Gemfile are satisfied by currently installed gems"
    long_desc <<-D
      Check searches the local machine for each of the gems requested in the Gemfile. If
      all gems are found, Bundler prints a success message and exits with a status of 0.
      If not, the first missing gem is listed and Bundler exits status 1.
    D
    method_option "gemfile", :type => :string, :banner =>
      "Use the specified gemfile instead of Gemfile"
    method_option "path", :type => :string, :banner =>
      "Specify a different path than the system default ($BUNDLE_PATH or $GEM_HOME). Bundler will remember this value for future installs on this machine"
    method_option "dry-run", :type => :boolean, :default => false, :banner =>
      "Lock the Gemfile"
    def check
      require 'bundler/cli/check'
      Check.new(options).run
    end

    desc "install [OPTIONS]", "Install the current environment to the system"
    long_desc <<-D
      Install will install all of the gems in the current bundle, making them available
      for use. In a freshly checked out repository, this command will give you the same
      gem versions as the last person who updated the Gemfile and ran `bundle update`.

      Passing [DIR] to install (e.g. vendor) will cause the unpacked gems to be installed
      into the [DIR] directory rather than into system gems.

      If the bundle has already been installed, bundler will tell you so and then exit.
    D
    method_option "without", :type => :array, :banner =>
      "Exclude gems that are part of the specified named group."
    method_option "gemfile", :type => :string, :banner =>
      "Use the specified gemfile instead of Gemfile"
    method_option "no-prune", :type => :boolean, :banner =>
      "Don't remove stale gems from the cache."
    method_option "no-cache", :type => :boolean, :banner =>
      "Don't update the existing gem cache."
    method_option "quiet", :type => :boolean, :banner =>
      "Only output warnings and errors."
    method_option "local", :type => :boolean, :banner =>
      "Do not attempt to fetch gems remotely and use the gem cache instead"
    method_option "binstubs", :type => :string, :lazy_default => "bin", :banner =>
      "Generate bin stubs for bundled gems to ./bin"
    method_option "shebang", :type => :string, :banner =>
      "Specify a different shebang executable name than the default (usually 'ruby')"
    method_option "path", :type => :string, :banner =>
      "Specify a different path than the system default ($BUNDLE_PATH or $GEM_HOME). Bundler will remember this value for future installs on this machine"
    method_option "system", :type => :boolean, :banner =>
      "Install to the system location ($BUNDLE_PATH or $GEM_HOME) even if the bundle was previously installed somewhere else for this application"
    method_option "frozen", :type => :boolean, :banner =>
      "Do not allow the Gemfile.lock to be updated after this install"
    method_option "deployment", :type => :boolean, :banner =>
      "Install using defaults tuned for deployment environments"
    method_option "standalone", :type => :array, :lazy_default => [], :banner =>
      "Make a bundle that can work without the Bundler runtime"
    method_option "full-index", :type => :boolean, :banner =>
      "Use the rubygems modern index instead of the API endpoint"
    method_option "clean", :type => :boolean, :banner =>
      "Run bundle clean automatically after install"
    method_option "trust-policy", :alias => "P", :type => :string, :banner =>
      "Gem trust policy (like gem install -P). Must be one of " +
        Bundler.rubygems.security_policy_keys.join('|')
    method_option "jobs", :aliases => "-j", :type => :numeric, :banner =>
      "Specify the number of jobs to run in parallel"

    def install
      require 'bundler/cli/install'
      Install.new(options.dup).run
    end

    desc "update [OPTIONS]", "update the current environment"
    long_desc <<-D
      Update will install the newest versions of the gems listed in the Gemfile. Use
      update when you have changed the Gemfile, or if you want to get the newest
      possible versions of the gems in the bundle.
    D
    method_option "source", :type => :array, :banner => "Update a specific source (and all gems associated with it)"
    method_option "local", :type => :boolean, :banner =>
      "Do not attempt to fetch gems remotely and use the gem cache instead"
    method_option "quiet", :type => :boolean, :banner =>
      "Only output warnings and errors."
    method_option "full-index", :type => :boolean, :banner =>
        "Use the rubygems modern index instead of the API endpoint"
    method_option "jobs", :aliases => "-j", :type => :numeric, :banner =>
      "Specify the number of jobs to run in parallel"
    method_option "group", :aliases => "-g", :type => :array, :banner =>
      "Update a specific group"
    def update(*gems)
      require 'bundler/cli/update'
      Update.new(options, gems).run
    end

    desc "show GEM [OPTIONS]", "Shows all gems that are part of the bundle, or the path to a given gem"
    long_desc <<-D
      Show lists the names and versions of all gems that are required by your Gemfile.
      Calling show with [GEM] will list the exact location of that gem on your machine.
    D
    method_option "paths", :type => :boolean,
      :banner => "List the paths of all gems that are required by your Gemfile."
    def show(gem_name = nil)
      require 'bundler/cli/show'
      Show.new(options, gem_name).run
    end
    map %w(list) => "show"

    desc "binstubs GEM [OPTIONS]", "install the binstubs of the listed gem"
    long_desc <<-D
      Generate binstubs for executables in [GEM]. Binstubs are put into bin,
      or the --binstubs directory if one has been set.
    D
    method_option "path", :type => :string, :lazy_default => "bin", :banner =>
      "binstub destination directory (default bin)"
    method_option "force", :type => :boolean, :default => false, :banner =>
      "overwrite existing binstubs if they exist"
    def binstubs(*gems)
      require 'bundler/cli/binstubs'
      Binstubs.new(options, gems).run
    end

    desc "outdated GEM [OPTIONS]", "list installed gems with newer versions available"
    long_desc <<-D
      Outdated lists the names and versions of gems that have a newer version available
      in the given source. Calling outdated with [GEM [GEM]] will only check for newer
      versions of the given gems. Prerelease gems are ignored by default. If your gems
      are up to date, Bundler will exit with a status of 0. Otherwise, it will exit 1.
    D
    method_option "pre", :type => :boolean, :banner => "Check for newer pre-release gems"
    method_option "source", :type => :array, :banner => "Check against a specific source"
    method_option "local", :type => :boolean, :banner =>
      "Do not attempt to fetch gems remotely and use the gem cache instead"
    method_option "strict", :type => :boolean, :banner =>
      "Only list newer versions allowed by your Gemfile requirements"
    def outdated(*gems)
      require 'bundler/cli/outdated'
      Outdated.new(options, gems).run
    end

    desc "cache [OPTIONS]", "Cache all the gems to vendor/cache", :hide => true
    method_option "no-prune",  :type => :boolean, :banner => "Don't remove stale gems from the cache."
    method_option "all",  :type => :boolean, :banner => "Include all sources (including path and git)."
    def cache
      require 'bundler/cli/cache'
      Cache.new(options).run
    end

    desc "package [OPTIONS]", "Locks and then caches all of the gems into vendor/cache"
    method_option "no-prune",  :type => :boolean, :banner => "Don't remove stale gems from the cache."
    method_option "all",  :type => :boolean, :banner => "Include all sources (including path and git)."
    method_option "quiet", :type => :boolean, :banner => "Only output warnings and errors."
    method_option "path", :type => :string, :banner =>
      "Specify a different path than the system default ($BUNDLE_PATH or $GEM_HOME). Bundler will remember this value for future installs on this machine"
    method_option "gemfile", :type => :string, :banner => "Use the specified gemfile instead of Gemfile"
    long_desc <<-D
      The package command will copy the .gem files for every gem in the bundle into the
      directory ./vendor/cache. If you then check that directory into your source
      control repository, others who check out your source will be able to install the
      bundle without having to download any additional gems.
    D
    def package
      require 'bundler/cli/package'
      Package.new(options).run
    end
    map %w(pack) => :package

    desc "exec [OPTIONS]", "Run the command in context of the bundle"
    method_option :keep_file_descriptors, :type => :boolean, :default => false
    long_desc <<-D
      Exec runs a command, providing it access to the gems in the bundle. While using
      bundle exec you can require and call the bundled gems as if they were installed
      into the system wide Rubygems repository.
    D
    def exec(*args)
      require 'bundler/cli/exec'
      Exec.new(options, args).run
    end

    desc "config NAME [VALUE]", "retrieve or set a configuration value"
    long_desc <<-D
      Retrieves or sets a configuration value. If only one parameter is provided, retrieve the value. If two parameters are provided, replace the
      existing value with the newly provided one.

      By default, setting a configuration value sets it for all projects
      on the machine.

      If a global setting is superceded by local configuration, this command
      will show the current value, as well as any superceded values and
      where they were specified.
    D
    def config(*args)
      require 'bundler/cli/config'
      Config.new(options, args, self).run
    end

    desc "open GEM", "Opens the source directory of the given bundled gem"
    def open(name)
      require 'bundler/cli/open'
      Open.new(options, name).run
    end

    CONSOLES = {
      'pry'  => :Pry,
      'ripl' => :Ripl,
      'irb'  => :IRB,
    }

    desc "console [GROUP]", "Opens an IRB session with the bundle pre-loaded"
    def console(group = nil)
      require 'bundler/cli/console'
      Console.new(options, group, CONSOLES).run
    end

    desc "version", "Prints the bundler's version information"
    def version
      Bundler.ui.info "Bundler version #{Bundler::VERSION}"
    end
    map %w(-v --version) => :version

    desc "licenses", "Prints the license of all gems in the bundle"
    def licenses
      Bundler.load.specs.sort_by { |s| s.license.to_s }.reverse.each do |s|
        gem_name = s.name
        license  = s.license || s.licenses

        if license.empty?
          Bundler.ui.warn "#{gem_name}: Unknown"
        else
          Bundler.ui.info "#{gem_name}: #{license}"
        end
      end
    end

    desc 'viz [OPTIONS]', "Generates a visual dependency graph"
    long_desc <<-D
      Viz generates a PNG file of the current Gemfile as a dependency graph.
      Viz requires the ruby-graphviz gem (and its dependencies).
      The associated gems must also be installed via 'bundle install'.
    D
    method_option :file, :type => :string, :default => 'gem_graph', :aliases => '-f', :banner => "The name to use for the generated file. see format option"
    method_option :version, :type => :boolean, :default => false, :aliases => '-v', :banner => "Set to show each gem version."
    method_option :requirements, :type => :boolean, :default => false, :aliases => '-r', :banner => "Set to show the version of each required dependency."
    method_option :format, :type => :string, :default => "png", :aliases => '-F', :banner => "This is output format option. Supported format is png, jpg, svg, dot ..."
    def viz
      require 'bundler/cli/viz'
      Viz.new(options).run
    end

    desc "gem GEM [OPTIONS]", "Creates a skeleton for creating a rubygem"
    method_option :bin, :type => :boolean, :default => false, :aliases => '-b', :banner => "Generate a binary for your library."
    method_option :test, :type => :string, :lazy_default => 'rspec', :aliases => '-t', :banner => "Generate a test directory for your library: 'rspec' is the default, but 'minitest' is also supported."
    method_option :edit, :type => :string, :aliases => "-e",
                  :lazy_default => [ENV['BUNDLER_EDITOR'], ENV['VISUAL'], ENV['EDITOR']].find{|e| !e.nil? && !e.empty? },
                  :required => false, :banner => "/path/to/your/editor",
                  :desc => "Open generated gemspec in the specified editor (defaults to $EDITOR or $BUNDLER_EDITOR)"
    method_option :ext, :type => :boolean, :detailt => false, :banner => "Generate the boilerplate for C extension code"

    def gem(name)
      require 'bundler/cli/gem'
      Gem.new(options, name, self).run
    end

    def self.source_root
      File.expand_path(File.join(File.dirname(__FILE__), 'templates'))
    end

    desc "clean [OPTIONS]", "Cleans up unused gems in your bundler directory"
    method_option "dry-run", :type => :boolean, :default => false, :banner =>
      "only print out changes, do not actually clean gems"
    method_option "force", :type => :boolean, :default => false, :banner =>
      "forces clean even if --path is not set"
    def clean
      require 'bundler/cli/clean'
      Clean.new(options.dup).run
    end

    desc "platform [OPTIONS]", "Displays platform compatibility information"
    method_option "ruby", :type => :boolean, :default => false, :banner =>
      "only display ruby related platform information"
    def platform
      require 'bundler/cli/platform'
      Platform.new(options).run
    end

    desc "inject GEM VERSION ...", "Add the named gem(s), with version requirements, to the resolved Gemfile"
    def inject(name, version, *gems)
      require 'bundler/cli/inject'
      Inject.new(options, name, version, gems).run
    end

    desc "env", "Print information about the environment Bundler is running under"
    def env
      Env.new.write($stdout)
    end

  end
end