import {
  Menu,
  Home,
  AtSign,
  Images,
  Map,
  Gamepad,
  User,
  Settings,
  LayoutDashboard,
  LogOut,
  LogIn,
  Earth,
  X
} from 'lucide-react';

import Link from 'next/link';

import styles from '@/styles/NavBar.module.scss';

import { getCookie } from '@/utils/cookies';

import Logo from '@/public/logo.svg';

import { useRouter } from 'next/router';
import getConfig from 'next/config';
import { useEffect, useRef, useState } from 'react';
import Dropdown from './Dropdown';
import { useUser } from '@/context/UserContext';

import {
  Roles,
  hasRole
} from '@/utils/permissions';

export default function NavBar({ currentPage }: { currentPage: string }) {
  const { user, isLoggedIn } = useUser(); 

  const [ navOpen, setNavOpen ] = useState(false);

  const { publicRuntimeConfig } = getConfig();

  const router = useRouter();

  const server = {
    version: '1.12.2'
  };

  const buildDiscordUrl = (): string => {
    const url = new URL('https://discord.com/api/oauth2/authorize');

    url.searchParams.append('client_id', publicRuntimeConfig.discord.clientId);
    url.searchParams.append('response_type', 'code');
    url.searchParams.append('redirect_uri', publicRuntimeConfig.discord.redirectUri);
    url.searchParams.append('scope', publicRuntimeConfig.discord.scopes.join(' '));

    url.searchParams.append('state', router.asPath);

    return url.toString();
  };

  return (
    <>
      <header className={styles.pageHero}>
        <div className={styles.heroOverlay}>
          <div className={styles.container}>
            <div>
              <Logo />

              <h1>Clyde&apos;s Real Survival SMP</h1>
            </div>

            <div>
              <label htmlFor="ip">
                Server Address:
              </label>

              <input type="text" value="play.crss.cc" id="ip" readOnly size={8} />

              <label htmlFor="ip">
                Version: {server.version}
              </label>
            </div>
          </div>
        </div>
      </header>

      <nav className={`${styles.navBar} ${navOpen ? styles.navOpen : ''}`}>
        <div className={styles.container}>
          <div className={styles.navMobileContainer}>
            <button className={styles.navToggle} onClick={() => { setNavOpen(!navOpen); }}>
              { !navOpen ? <Menu /> : <X /> }
            </button>
          </div>

          <div className={styles.navCollapse}>
            <ul>
              <li>
                <Link href={currentPage == 'home' ? '#' : '/'} className={currentPage == 'home' ? styles.active : ''}>
                  <Home />

                  Home
                </Link>
              </li>
              <li>
                <Link href={currentPage == 'about' ? '#' : '/about'} className={currentPage == 'about' ? styles.active : ''}>
                  <AtSign />

                  About
                </Link>
              </li>
              <li>
                <Link href={currentPage == 'gallery' ? '#' : '/gallery'} className={currentPage == 'gallery' ? styles.active : ''}>
                  <Images />

                  Gallery
                </Link>
              </li>
              <li>
                <Link href={currentPage == 'map' ? '#' : '/map'} className={currentPage == 'map' ? styles.active : ''}>
                  <Map />

                  Map
                </Link>
              </li>
              <li>
                <Link href={currentPage == 'nations' ? '#' : '/nations'} className={currentPage == 'nations' ? styles.active : ''}>
                  <Earth />

                  Nations
                </Link>
              </li>
            </ul>

            <ul>
              {(isLoggedIn && user) && (
                <li>
                  {hasRole(user.permissions, Roles.Admin) && (
                    <Dropdown items={[
                      {
                        icon: User,
                        label: 'Profile',
                        href: `/u/${user ? user.names.username : 'Loading...'}`
                      },
                      {
                        icon: Settings,
                        label: 'Settings',
                        href: '/settings'
                      },
                      {
                        divider: true
                      },
                      {
                        icon: LayoutDashboard,
                        label: 'Admin',
                        href: '/admin'
                      },
                      {
                        icon: LogOut,
                        label: 'Logout',
                        onClick: async (e) => {
                          e.preventDefault();

                          await fetch('/api/v1/session', {
                            method: 'DELETE'
                          });

                          router.reload();
                        }
                      }
                    ]} className={styles.dropDown}>
                      <User />
  
                      {user ? user.names.global_name : 'Loading...'}
                    </Dropdown>
                  ) || (
                    <Dropdown items={[
                      {
                        icon: User,
                        label: 'Profile',
                        href: `/u/${user ? user.names.username : 'Loading...'}`
                      },
                      {
                        icon: Settings,
                        label: 'Settings',
                        href: '/settings'
                      },
                      {
                        divider: true
                      },
                      {
                        icon: LogOut,
                        label: 'Logout',
                        onClick: async (e) => {
                          e.preventDefault();

                          await fetch('/api/v1/session', {
                            method: 'DELETE'
                          });

                          router.reload();
                        }
                      }
                    ]} className={styles.dropDown}>
                      <User />
  
                      {user ? user.names.global_name : 'Loading...'}
                    </Dropdown>
                  )}
                </li>
              )}
              {(!isLoggedIn && !user) && (
                <li>
                  <Link href={buildDiscordUrl()}>
                    <LogIn />

                    Login
                  </Link>
                </li>
              )}
            </ul>
          </div>
        </div>
      </nav>
    </>
  );
}