import { Tab } from '@headlessui/react';
import { Fragment, useEffect, useState } from 'react';
import { Link, useParams } from 'react-router-dom';

import { UserFeed } from '@app/user/components/feed';
import { UserMetadata } from '@app/user/components/metadata';

import { EditProfileModal } from '@shared/editProfileModal';
import { ThreadsIcon, ZapIcon } from '@shared/icons';
import { Image } from '@shared/image';

import { DEFAULT_AVATAR } from '@stores/constants';

import { useAccount } from '@utils/hooks/useAccount';
import { useProfile } from '@utils/hooks/useProfile';
import { useSocial } from '@utils/hooks/useSocial';
import { shortenKey } from '@utils/shortenKey';

export function UserScreen() {
  const { pubkey } = useParams();
  const { user } = useProfile(pubkey);
  const { account } = useAccount();
  const { status, userFollows, follow, unfollow } = useSocial();

  const [followed, setFollowed] = useState(false);

  const followUser = (pubkey: string) => {
    try {
      follow(pubkey);

      // update state
      setFollowed(true);
    } catch (error) {
      console.log(error);
    }
  };

  const unfollowUser = (pubkey: string) => {
    try {
      unfollow(pubkey);

      // update state
      setFollowed(false);
    } catch (error) {
      console.log(error);
    }
  };

  useEffect(() => {
    if (status === 'success' && userFollows) {
      if (userFollows.includes(pubkey)) {
        setFollowed(true);
      }
    }
  }, [status]);

  return (
    <div className="h-full w-full overflow-y-auto">
      <div
        data-tauri-drag-region
        className="flex h-11 w-full items-center border-b border-zinc-900 px-3"
      />
      <div className="h-56 w-full bg-zinc-100">
        <Image
          src={user?.banner}
          fallback="https://void.cat/d/QY1myro5tkHVs2nY7dy74b.jpg"
          alt={'banner'}
          className="h-full w-full object-cover"
        />
      </div>
      <div className="-mt-7 w-full">
        <div className="px-5">
          <Image
            src={user?.picture || user?.image}
            fallback={DEFAULT_AVATAR}
            alt={pubkey}
            className="h-14 w-14 rounded-md ring-2 ring-black"
          />
          <div className="mt-2 flex flex-1 flex-col gap-4">
            <div className="flex items-center gap-16">
              <div className="inline-flex flex-col gap-1.5">
                <h5 className="text-lg font-semibold leading-none">
                  {user?.displayName || user?.name || 'No name'}
                </h5>
                <span className="max-w-[15rem] truncate text-sm leading-none text-zinc-500">
                  {user?.nip05 || shortenKey(pubkey)}
                </span>
              </div>
              <div className="inline-flex items-center gap-2">
                {status === 'loading' ? (
                  <button
                    type="button"
                    className="inline-flex h-10 w-36 items-center justify-center rounded-md bg-zinc-900 text-sm font-medium hover:bg-fuchsia-500"
                  >
                    Loading...
                  </button>
                ) : followed ? (
                  <button
                    type="button"
                    onClick={() => unfollowUser(pubkey)}
                    className="inline-flex h-10 w-36 items-center justify-center rounded-md bg-zinc-900 text-sm font-medium hover:bg-fuchsia-500"
                  >
                    Unfollow
                  </button>
                ) : (
                  <button
                    type="button"
                    onClick={() => followUser(pubkey)}
                    className="inline-flex h-10 w-36 items-center justify-center rounded-md bg-zinc-900 text-sm font-medium hover:bg-fuchsia-500"
                  >
                    Follow
                  </button>
                )}
                <Link
                  to={`/app/chat/${pubkey}`}
                  className="inline-flex h-10 w-36 items-center justify-center rounded-md bg-zinc-900 text-sm font-medium hover:bg-fuchsia-500"
                >
                  Message
                </Link>
                <button
                  type="button"
                  className="group inline-flex h-10 w-10 items-center justify-center rounded-md bg-zinc-900 text-sm font-medium hover:bg-orange-500"
                >
                  <ZapIcon className="h-5 w-5" />
                </button>
                <span className="mx-2 inline-flex h-4 w-px bg-zinc-900" />
                {account && account.pubkey === pubkey && <EditProfileModal />}
              </div>
            </div>
            <div className="flex flex-col gap-8">
              <p className="mt-2 max-w-[500px] select-text break-words text-zinc-100">
                {user?.about}
              </p>
              <UserMetadata pubkey={pubkey} />
            </div>
          </div>
        </div>
        <div className="mt-8 w-full border-t border-zinc-900">
          <Tab.Group>
            <Tab.List className="mb-2 px-5">
              <Tab as={Fragment}>
                {({ selected }) => (
                  <button
                    type="button"
                    className={`${
                      selected ? 'border-fuchsia-500' : 'border-transparent'
                    } inline-flex h-16 items-start gap-2 border-t pt-4 font-medium`}
                  >
                    <ThreadsIcon className="h-3.5 w-3.5" />
                    <div className="flex flex-col justify-start gap-0.5 text-start">
                      <p className="text-sm font-medium leading-none text-zinc-200">
                        Activities
                      </p>
                      <span className="text-sm leading-none text-zinc-500">
                        48 hours ago
                      </span>
                    </div>
                  </button>
                )}
              </Tab>
            </Tab.List>
            <Tab.Panels>
              <Tab.Panel>
                <UserFeed pubkey={pubkey} />
              </Tab.Panel>
            </Tab.Panels>
          </Tab.Group>
        </div>
      </div>
    </div>
  );
}