class Grape::Cookies

def [](name)
  @cookies[name.to_s]
end

def []=(name, value)
  @cookies[name.to_s] = value
  @send_cookies[name.to_s] = true
end

def delete(name, **opts)
  options = opts.merge(max_age: '0', value: '', expires: Time.at(0))
  self.[]=(name, options)
end

def each(&block)
  @cookies.each(&block)
end

def initialize
  @cookies = {}
  @send_cookies = {}
end

def read(request)
  request.cookies.each do |name, value|
    @cookies[name.to_s] = value
  end
end

def write(header)
  @cookies.select { |key, _value| @send_cookies[key] == true }.each do |name, value|
    cookie_value = value.is_a?(Hash) ? value : { value: value }
    Rack::Utils.set_cookie_header! header, name, cookie_value
  end
end