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# frozen_string_literal: true
require 'rubygems/command'
require 'rubygems/local_remote_options'
require 'rubygems/gemcutter_utilities'
require 'rubygems/text'

class Gem::Commands::OwnerCommand < Gem::Command

  include Gem::Text
  include Gem::LocalRemoteOptions
  include Gem::GemcutterUtilities

  def description # :nodoc:
    <<-EOF
The owner command lets you add and remove owners of a gem on a push
server (the default is https://rubygems.org).

The owner of a gem has the permission to push new versions, yank existing
versions or edit the HTML page of the gem.  Be careful of who you give push
permission to.
    EOF
  end

  def arguments # :nodoc:
    "GEM       gem to manage owners for"
  end

  def usage # :nodoc:
    "#{program_name} GEM"
  end

  def initialize
    super 'owner', 'Manage gem owners of a gem on the push server'
    add_proxy_option
    add_key_option
    add_otp_option
    defaults.merge! :add => [], :remove => []

    add_option '-a', '--add EMAIL', 'Add an owner' do |value, options|
      options[:add] << value
    end

    add_option '-r', '--remove EMAIL', 'Remove an owner' do |value, options|
      options[:remove] << value
    end

    add_option '-h', '--host HOST',
               'Use another gemcutter-compatible host',
               '  (e.g. https://rubygems.org)' do |value, options|
      options[:host] = value
    end
  end

  def execute
    @host = options[:host]

    sign_in
    name = get_one_gem_name

    add_owners    name, options[:add]
    remove_owners name, options[:remove]
    show_owners   name
  end

  def show_owners(name)
    Gem.load_yaml

    response = rubygems_api_request :get, "api/v1/gems/#{name}/owners.yaml" do |request|
      request.add_field "Authorization", api_key
    end

    with_response response do |resp|
      owners = Gem::SafeYAML.load clean_text(resp.body)

      say "Owners for gem: #{name}"
      owners.each do |owner|
        say "- #{owner['email'] || owner['handle'] || owner['id']}"
      end
    end
  end

  def add_owners(name, owners)
    manage_owners :post, name, owners
  end

  def remove_owners(name, owners)
    manage_owners :delete, name, owners
  end

  def manage_owners(method, name, owners)
    owners.each do |owner|
      begin
        response = send_owner_request(method, name, owner)
        action = method == :delete ? "Removing" : "Adding"

        with_response response, "#{action} #{owner}"
      rescue
        # ignore
      end
    end
  end

  private

  def send_owner_request(method, name, owner)
    rubygems_api_request method, "api/v1/gems/#{name}/owners" do |request|
      request.set_form_data 'email' => owner
      request.add_field "Authorization", api_key
      request.add_field "OTP", options[:otp] if options[:otp]
    end
  end

end