Admin css overhaul pt2 (#19)

* tweaks to offline state in admin viewers page

If stream is offline, hide current viewers statistic and viewers table.
Also, change wording for describing max viewers.

* take out ant dark stylesheet, organize ant color overrides

* remove ant dark css; cleanup ant overrides; format public-detail page

* combine toggleswitch component style with textfield so layout can be shared

* fix toggleswitch status message placement

* - update styles for modals, collapses
- move reset dir into its own component
- assorted style cleanups ans consistencies

* hide entire advanced section for resetyp if no yp

* temp adjustments to video modal

* temp comment out toggle switch use for later'

* address PR comments

* lint

* update type

* allow warnings during lint

Co-authored-by: nebunez <uoj2y7wak869@opayq.net>

web/components/config/edit-page-content.tsx

@@ -0,0 +1,118 @@
+// EDIT CUSTOM DETAILS ON YOUR PAGE
+import React, { useState, useEffect, useContext } from 'react';
+import { Typography, Button } from 'antd';
+import dynamic from 'next/dynamic';
+import MarkdownIt from 'markdown-it';
+
+import { ServerStatusContext } from '../../utils/server-status-context';
+import {
+  postConfigUpdateToAPI,
+  RESET_TIMEOUT,
+  API_CUSTOM_CONTENT,
+} from '../../utils/config-constants';
+import {
+  createInputStatus,
+  StatusState,
+  STATUS_ERROR,
+  STATUS_PROCESSING,
+  STATUS_SUCCESS,
+} from '../../utils/input-statuses';
+import FormStatusIndicator from './form-status-indicator';
+
+import 'react-markdown-editor-lite/lib/index.css';
+
+const mdParser = new MarkdownIt(/* Markdown-it options */);
+const MdEditor = dynamic(() => import('react-markdown-editor-lite'), {
+  ssr: false,
+});
+
+const { Title } = Typography;
+
+export default function EditPageContent() {
+  const [content, setContent] = useState('');
+  const [submitStatus, setSubmitStatus] = useState<StatusState>(null);
+  const [hasChanged, setHasChanged] = useState(false);
+
+  const serverStatusData = useContext(ServerStatusContext);
+  const { serverConfig, setFieldInConfigState } = serverStatusData || {};
+
+  const { instanceDetails } = serverConfig;
+  const { extraPageContent: initialContent } = instanceDetails;
+
+  let resetTimer = null;
+
+  function handleEditorChange({ text }) {
+    setContent(text);
+    if (text !== initialContent && !hasChanged) {
+      setHasChanged(true);
+    } else if (text === initialContent && hasChanged) {
+      setHasChanged(false);
+    }
+  }
+
+  // Clear out any validation states and messaging
+  const resetStates = () => {
+    setSubmitStatus(null);
+    setHasChanged(false);
+    clearTimeout(resetTimer);
+    resetTimer = null;
+  };
+
+  // posts all the tags at once as an array obj
+  async function handleSave() {
+    setSubmitStatus(createInputStatus(STATUS_PROCESSING));
+    await postConfigUpdateToAPI({
+      apiPath: API_CUSTOM_CONTENT,
+      data: { value: content },
+      onSuccess: (message: string) => {
+        setFieldInConfigState({
+          fieldName: 'extraPageContent',
+          value: content,
+          path: 'instanceDetails',
+        });
+        setSubmitStatus(createInputStatus(STATUS_SUCCESS, message));
+      },
+      onError: (message: string) => {
+        setSubmitStatus(createInputStatus(STATUS_ERROR, message));
+      },
+    });
+    resetTimer = setTimeout(resetStates, RESET_TIMEOUT);
+  }
+
+  useEffect(() => {
+    setContent(initialContent);
+  }, [instanceDetails]);
+
+  return (
+    <div className="edit-page-content">
+      <Title level={3} className="section-title">
+        Custom Page Content
+      </Title>
+
+      <p className="description">
+        Edit the content of your page by using simple{' '}
+        <a href="https://www.markdownguide.org/basic-syntax/">Markdown syntax</a>.
+      </p>
+
+      <MdEditor
+        style={{ height: '30em' }}
+        value={content}
+        renderHTML={(c: string) => mdParser.render(c)}
+        onChange={handleEditorChange}
+        config={{
+          htmlClass: 'markdown-editor-preview-pane',
+          markdownClass: 'markdown-editor-pane',
+        }}
+      />
+
+      <div className="page-content-actions">
+        {hasChanged ? (
+          <Button type="primary" onClick={handleSave}>
+            Save
+          </Button>
+        ) : null}
+        <FormStatusIndicator status={submitStatus} />
+      </div>
+    </div>
+  );
+}