import React, { Fragment } from 'react';
import { Disclosure, Menu, Transition } from '@headlessui/react';
import { MenuIcon, XIcon } from '@heroicons/react/outline';
import { Link, RouteComponentProps } from '@reach/router';
import { useAuth } from 'src/services/auth';

const navigation = [
  { name: 'Dashboard', to: '/dashboard' },
  { name: 'Apps', to: '/apps' },
  { name: 'Users', to: '/users' },
];

function classNames(...classes: any[]) {
  return classes.filter(Boolean).join(' ');
}

type HeaderProps = RouteComponentProps;

const Header: React.FC<HeaderProps> = () => {
  const { logOut } = useAuth();

  return (
    <Disclosure as="nav" className="bg-white shadow">
      {({ open }) => (
        <>
          <div className="max-w-7xl mx-auto px-2 sm:px-6 lg:px-8">
            <div className="relative flex justify-between h-16">
              <div className="absolute inset-y-0 left-0 flex items-center sm:hidden">
                {/* Mobile menu button */}
                <Disclosure.Button className="inline-flex items-center justify-center p-2 rounded-md text-gray-400 hover:text-gray-500 hover:bg-gray-100 focus:outline-none focus:ring-2 focus:ring-inset focus:ring-primary-500">
                  <span className="sr-only">Open main menu</span>
                  {open ? (
                    <XIcon className="block h-6 w-6" aria-hidden="true" />
                  ) : (
                    <MenuIcon className="block h-6 w-6" aria-hidden="true" />
                  )}
                </Disclosure.Button>
              </div>
              <div className="flex-1 flex items-center justify-center sm:items-stretch sm:justify-start">
                <div className="flex-shrink-0 flex items-center">
                  <img className="block lg:hidden" src="/assets/logo-small.svg" alt="Stackspin" />
                  <img className="hidden lg:block" src="/assets/logo.svg" alt="Stackspin" />
                </div>
                <div className="hidden sm:ml-6 sm:flex sm:space-x-8">
                  {/* Current: "border-primary-500 text-gray-900", Default: "border-transparent text-gray-500 hover:border-gray-300 hover:text-gray-700" */}
                  {navigation.map((item) => (
                    <Link
                      key={item.name}
                      to={item.to}
                      getProps={({ isCurrent }) => {
                        // the object returned here is passed to the
                        // anchor element's props
                        return {
                          className: isCurrent
                            ? 'border-primary-400 text-gray-900 inline-flex items-center px-1 pt-1 border-b-2 text-sm font-medium'
                            : 'border-transparent text-gray-500 hover:border-gray-300 hover:text-gray-700 inline-flex items-center px-1 pt-1 border-b-2 text-sm font-medium',
                          'aria-current': isCurrent ? 'page' : undefined,
                        };
                      }}
                    >
                      {item.name}
                    </Link>
                  ))}
                </div>
              </div>
              <div className="absolute inset-y-0 right-0 flex items-center pr-2 sm:static sm:inset-auto sm:ml-6 sm:pr-0">
                {/* Profile dropdown */}
                <Menu as="div" className="ml-3 relative">
                  <div>
                    <Menu.Button className="bg-white rounded-full flex text-sm focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-primary">
                      <span className="sr-only">Open user menu</span>
                      <img
                        className="h-8 w-8 rounded-full"
                        src="https://images.unsplash.com/photo-1472099645785-5658abf4ff4e?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=facearea&facepad=2&w=256&h=256&q=80"
                        alt=""
                      />
                    </Menu.Button>
                  </div>
                  <Transition
                    as={Fragment}
                    enter="transition ease-out duration-200"
                    enterFrom="transform opacity-0 scale-95"
                    enterTo="transform opacity-100 scale-100"
                    leave="transition ease-in duration-75"
                    leaveFrom="transform opacity-100 scale-100"
                    leaveTo="transform opacity-0 scale-95"
                  >
                    <Menu.Items className="origin-top-right absolute right-0 mt-2 w-48 rounded-md shadow-lg py-1 bg-white ring-1 ring-black ring-opacity-5 focus:outline-none">
                      <Menu.Item>
                        {({ active }) => (
                          <a
                            onClick={() => logOut()}
                            className={classNames(active ? 'bg-gray-100' : '', 'block px-4 py-2 text-sm text-gray-700')}
                          >
                            Sign out
                          </a>
                        )}
                      </Menu.Item>
                    </Menu.Items>
                  </Transition>
                </Menu>
              </div>
            </div>
          </div>

          <Disclosure.Panel className="sm:hidden">
            <div className="pt-2 pb-4 space-y-1">
              {navigation.map((item) => (
                <Link
                  key={item.name}
                  to={item.to}
                  getProps={({ isCurrent }) => {
                    // the object returned here is passed to the
                    // anchor element's props
                    return {
                      className: isCurrent
                        ? 'bg-primary-50 border-primary-400 text-primary-700 block pl-3 pr-4 py-2 border-l-4 text-base font-medium'
                        : 'border-transparent text-gray-500 hover:bg-gray-50 hover:border-gray-300 hover:text-gray-700 block pl-3 pr-4 py-2 border-l-4 text-base font-medium',
                      'aria-current': isCurrent ? 'page' : undefined,
                    };
                  }}
                >
                  {item.name}
                </Link>
              ))}
            </div>
          </Disclosure.Panel>
        </>
      )}
    </Disclosure>
  );
};

export default Header;