class Gem::Commands::OwnerCommand

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

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

def description # :nodoc:
  <<-EOF
e owner command lets you add and remove owners of a gem on a push
rver (the default is https://rubygems.org).
e owner of a gem has the permission to push new versions, yank existing
rsions or edit the HTML page of the gem.  Be careful of who you give push
rmission to.
  EOF
end

def execute
  @host = options[:host]
  sign_in(scope: get_owner_scope)
  name = get_one_gem_name
  add_owners    name, options[:add]
  remove_owners name, options[:remove]
  show_owners   name
end

def get_owner_scope(method: nil)
  if method == :post || options.any? && options[:add].any?
    :add_owner
  elsif method == :delete || options.any? && options[:remove].any?
    :remove_owner
  end
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 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

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

def send_owner_request(method, name, owner)
  rubygems_api_request method, "api/v1/gems/#{name}/owners", scope: get_owner_scope(method: method) do |request|
    request.set_form_data 'email' => owner
    request.add_field "Authorization", api_key
  end
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 usage # :nodoc:
  "#{program_name} GEM"
end