/* eslint react/no-danger: "off" */
import { useBackend } from '../backend';
import { Button, LabeledList, ProgressBar, Section, NoticeBox } from '../components';
import { NtosWindow } from '../layouts';
import { resolveAsset } from '../assets';
import { Fragment } from 'inferno';

export const NtosNewsBrowser = (props, context) => {
  const { act, data } = useBackend(context);

  const { article, download, message } = data;

  let body = <ViewArticles />;

  if (article) {
    body = <SelectedArticle />;
  } else if (download) {
    body = <ArticleDownloading />;
  }

  return (
    <NtosWindow width={575} height={750} resizable>
      <NtosWindow.Content scrollable>
        {!!message && (
          <NoticeBox>
            {message} <Button icon="times" onClick={() => act('PRG_clearmessage')} />
          </NoticeBox>
        )}
        {body}
      </NtosWindow.Content>
    </NtosWindow>
  );
};

const SelectedArticle = (props, context) => {
  const { act, data } = useBackend(context);

  const { article } = data;

  if (!article) {
    return <Section>Error: Article not found.</Section>;
  }

  const { title, cover, content } = article;

  return (
    <Section
      title={'Viewing: ' + title}
      buttons={
        <Fragment>
          <Button icon="save" onClick={() => act('PRG_savearticle')}>
            Save
          </Button>
          <Button icon="times" onClick={() => act('PRG_reset')}>
            Close
          </Button>
        </Fragment>
      }>
      {!!cover && <img src={resolveAsset(cover)} />}
      {/* News articles are written in premade .html files and cannot be edited by players, so it should be
       * safe enough to use dangerouslySetInnerHTML here.
       */}
      <div dangerouslySetInnerHTML={{ __html: content }} />
    </Section>
  );
};

const ViewArticles = (props, context) => {
  const { act, data } = useBackend(context);

  const { showing_archived, all_articles } = data;

  return (
    <Section
      title="Articles List"
      buttons={
        <Button.Checkbox onClick={() => act('PRG_toggle_archived')} checked={showing_archived}>
          Show Archived
        </Button.Checkbox>
      }>
      <LabeledList>
        {(all_articles.length &&
          all_articles.map((article) => (
            <LabeledList.Item
              label={article.name}
              key={article.uid}
              buttons={<Button icon="download" onClick={() => act('PRG_openarticle', { uid: article.uid })} />}>
              {article.size} GQ
            </LabeledList.Item>
          ))) || (
          <LabeledList.Item label="Error">
            There appear to be no outstanding news articles on NTNet today.
          </LabeledList.Item>
        )}
      </LabeledList>
    </Section>
  );
};

const ArticleDownloading = (props, context) => {
  const { act, data } = useBackend(context);

  const { download_progress, download_maxprogress, download_rate } = data.download;

  return (
    <Section title="Downloading...">
      <LabeledList>
        <LabeledList.Item label="Progress">
          <ProgressBar color="good" minValue={0} value={download_progress} maxValue={download_maxprogress}>
            {download_progress} / {download_maxprogress} GQ
          </ProgressBar>
        </LabeledList.Item>
        <LabeledList.Item label="Download Speed">{download_rate} GQ/s</LabeledList.Item>
        <LabeledList.Item label="Controls">
          <Button icon="ban" fluid onClick={() => act('PRG_reset')}>
            Abort Download
          </Button>
        </LabeledList.Item>
      </LabeledList>
    </Section>
  );
};