import { FormattedMessage } from 'react-intl';

import classNames from 'classnames';

import { ListItemLink, ListItemWrapper } from '@/mastodon/components/list_item';
import WarningIcon from '@/material-icons/400-24px/warning.svg?react';
import type { ApiCollectionJSON } from 'mastodon/api_types/collections';
import { AvatarById } from 'mastodon/components/avatar';
import { useAccountHandle } from 'mastodon/components/display_name/default';
import { RelativeTimestamp } from 'mastodon/components/relative_timestamp';
import { useAccount } from 'mastodon/hooks/useAccount';
import { domain } from 'mastodon/initial_state';

import { getCollectionPath } from '../utils';

import classes from './collection_lockup.module.scss';

export const AvatarGrid: React.FC<{
  accountIds: (string | undefined)[];
  sensitive?: boolean;
}> = ({ accountIds: ids, sensitive }) => {
  const avatarIds = [ids[0], ids[1], ids[2], ids[3]];
  return (
    <div
      className={classNames(
        classes.avatarGrid,
        sensitive ? classes.avatarGridSensitive : null,
      )}
    >
      {avatarIds.map((id, index) => (
        <AvatarById
          animate={false}
          key={index}
          accountId={id}
          className={classes.avatar}
          size={25}
        />
      ))}
      {sensitive && <WarningIcon className={classes.avatarSensitiveBadge} />}
    </div>
  );
};

export interface CollectionLockupProps {
  collection: ApiCollectionJSON;
  withAuthorHandle?: boolean;
  withTimestamp?: boolean;
  sideContent?: React.ReactNode;
  className?: string;
  headingLevel?: 'h2' | 'h3' | 'h4';
}

export const CollectionLockup: React.FC<CollectionLockupProps> = ({
  collection,
  withAuthorHandle = true,
  withTimestamp,
  sideContent,
  headingLevel = 'h3',
  className,
}) => {
  const { id, name } = collection;

  return (
    <ListItemWrapper
      className={classNames(classes.wrapper, className)}
      icon={
        <AvatarGrid
          accountIds={collection.items.map((item) => item.account_id)}
          sensitive={collection.sensitive}
        />
      }
      sideContent={sideContent}
    >
      <ListItemLink
        as={headingLevel}
        to={getCollectionPath(id)}
        subtitle={
          <CollectionInfo
            collection={collection}
            withAuthorHandle={withAuthorHandle}
            withTimestamp={withTimestamp}
          />
        }
      >
        {name}
      </ListItemLink>
    </ListItemWrapper>
  );
};

export const CollectionInfo: React.FC<
  Pick<
    CollectionLockupProps,
    'collection' | 'withAuthorHandle' | 'withTimestamp'
  >
> = ({ collection, withAuthorHandle, withTimestamp }) => {
  const authorAccount = useAccount(collection.account_id);
  const authorHandle = useAccountHandle(authorAccount, domain);

  return (
    <ul>
      {collection.sensitive && (
        <li className='sr-only'>
          <FormattedMessage
            id='collections.sensitive'
            defaultMessage='Sensitive'
          />
        </li>
      )}
      {withAuthorHandle && authorAccount && (
        <FormattedMessage
          id='collections.by_account'
          defaultMessage='by {account_handle}'
          values={{
            account_handle: authorHandle,
          }}
          tagName='li'
        />
      )}
      <FormattedMessage
        id='collections.account_count'
        defaultMessage='{count, plural, one {# account} other {# accounts}}'
        values={{ count: collection.item_count }}
        tagName='li'
      />
      {withTimestamp && (
        <FormattedMessage
          id='collections.last_updated_at'
          defaultMessage='Last updated: {date}'
          values={{
            date: <RelativeTimestamp timestamp={collection.updated_at} long />,
          }}
          tagName='li'
        />
      )}
    </ul>
  );
};