adds hero section for playground

Signed-off-by: Ashwin P Chandran <ashwinpc@amazon.com>

src/plugins/home/public/application/components/homepage/_homepage.scss

@@ -1,3 +1,5 @@
+@import "sections/hero";
+
 .home-homepage-pageBody {
   // This is needed to make sure the page body is not wider than the page.
   // This is otherwise not possible with the props on EuiPageTemplate.

src/plugins/home/public/application/components/homepage/sections/hero.scss

@@ -0,0 +1,35 @@
+.home-hero-title {
+  color: $euiColorPrimary;
+}
+
+.home-hero-descriptionSection {
+  align-items: flex-start;
+}
+
+.home-hero-group > * {
+  flex-shrink: 0;
+}
+
+.home-getStarted-chatIcon {
+  padding-left: $euiSizeXS;
+}
+
+.home-hero-illustrationContainer {
+  position: relative;
+  display: inline-block;
+}
+
+.home-hero-illustrationButton {
+  z-index: 1040;
+  position: absolute;
+  left: 50%;
+  top: 50%;
+  transform: translate(-50%, -50%);
+
+  &:hover:not([class*="isDisabled"]),
+  &:active:not([class*="isDisabled"]),
+  &:focus:not([class*="isDisabled"]) {
+    transform: translate(-50%, -50%);
+    animation: none !important;
+  }
+}

src/plugins/home/public/application/components/homepage/sections/hero.tsx

@@ -0,0 +1,170 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import React from 'react';
+import { i18n } from '@osd/i18n';
+import { FormattedMessage } from '@osd/i18n/react';
+import {
+  EuiFlexGroup,
+  EuiFlexItem,
+  EuiButton,
+  EuiTitle,
+  EuiImage,
+  EuiLink,
+  EuiButtonIcon,
+  EuiText,
+  EuiSpacer,
+} from '@elastic/eui';
+import illustration from '../../../../assets/illustration.svg';
+import { getServices } from '../../../opensearch_dashboards_services';
+import { renderFn } from './utils';
+
+// TODO: This is hardcoded for the playground. Do not use long term
+const DEFAULT_HERO_DATA = {
+  title: 'Try the Query Assistant',
+  body:
+    'Automatically generate complex queries using simple conversational prompts. AI assisted summary helps you navigate and understand errors from your logs.{br}{br}You will be redirected to the AI playground where you will need to login. All the {terms} of the playground still apply.',
+  externalActionButton: {
+    text: 'Login to try',
+    link: 'https://ai.playground.opensearch.org/',
+  },
+  img: {
+    link: 'https://www.youtube.com/watch?v=VTiJtGI2Sr4',
+  },
+  secondaryButton: {
+    text: 'Learn more',
+    link: 'https://opensearch.org/blog/opensearch-adds-new-generative-ai-assistant-toolkit/',
+  },
+};
+
+export const GetStartedSection: React.FC = () => {
+  const services = getServices();
+  const addBasePath = services.http.basePath.prepend;
+  const heroConfig = DEFAULT_HERO_DATA;
+
+  const description = (
+    <FormattedMessage
+      id="home.getStarted.playgroundDescription"
+      defaultMessage={heroConfig.body}
+      values={{
+        br: <br />,
+        terms: (
+          <EuiLink href="https://opensearch.org/terms-of-use/">
+            <FormattedMessage id="home.getStarted.terms" defaultMessage="terms of use" />
+          </EuiLink>
+        ),
+      }}
+    />
+  );
+
+  const actionButton = (
+    <EuiButton fullWidth={false} fill href={heroConfig.externalActionButton.link}>
+      <FormattedMessage
+        id="home.getStarted.login"
+        defaultMessage={heroConfig.externalActionButton.text}
+      />
+    </EuiButton>
+  );
+
+  const illustrationPanel = heroConfig.img ? (
+    <div className="home-hero-illustrationContainer">
+      <EuiButtonIcon
+        target="_blank"
+        rel="noopener noreferrer"
+        href={heroConfig.img.link}
+        aria-labelledby="home-hero-illustrationPlay"
+        className="home-hero-illustrationButton"
+        display="fill"
+        iconType="play"
+        iconSize="l"
+        size="m"
+      />
+      <EuiImage src={getIllustrationImage()} alt="getting started preview" />
+    </div>
+  ) : (
+    <EuiImage src={getIllustrationImage()} alt="getting started preview" />
+  );
+
+  function getIllustrationImage() {
+    return addBasePath('/plugins/home/assets/screenshot.png');
+  }
+
+  const links = [
+    {
+      text: i18n.translate('home.getStarted.learnMore', {
+        defaultMessage: heroConfig.secondaryButton.text,
+      }),
+      url: heroConfig.secondaryButton.link,
+    },
+  ];
+
+  return (
+    <HeroSection
+      title={i18n.translate('home.getStarted.title', {
+        defaultMessage: heroConfig.title,
+      })}
+      description={description}
+      links={links}
+      actionButton={actionButton}
+      content={<EuiImage src={illustration} alt="illustration" size="fullWidth" />}
+      illustrationEle={illustrationPanel}
+    />
+  );
+};
+
+interface HeroSectionProps {
+  title: string;
+  description: React.ReactNode;
+  links: Array<{
+    text: string;
+    url: string;
+  }>;
+  actionButton: React.ReactNode;
+  content: React.ReactNode;
+  illustrationEle: React.ReactNode;
+}
+
+export const HeroSection: React.FC<HeroSectionProps> = ({
+  title,
+  description,
+  links,
+  actionButton,
+  content,
+  illustrationEle,
+}) => {
+  return (
+    <EuiFlexGroup direction="row" alignItems="flexStart" className="home-hero-group">
+      <EuiFlexItem grow={10}>{illustrationEle}</EuiFlexItem>
+      <EuiFlexItem grow={9} className="home-hero-descriptionSection">
+        <EuiTitle size="m" className="home-hero-title">
+          <h2>{title}</h2>
+        </EuiTitle>
+        <EuiText>{description}</EuiText>
+        <EuiSpacer size="m" />
+        {actionButton}
+        <EuiSpacer size="m" />
+        <EuiFlexGroup direction="row" responsive={false} gutterSize="l">
+          {links.map((link) => (
+            <EuiFlexItem grow={false} key={link.url}>
+              <EuiLink href={link.url} external={true}>
+                {link.text}
+              </EuiLink>
+            </EuiFlexItem>
+          ))}
+        </EuiFlexGroup>
+      </EuiFlexItem>
+      <EuiFlexItem grow={10}>{content}</EuiFlexItem>
+    </EuiFlexGroup>
+  );
+};
+
+export const render = renderFn(() => {
+  return <GetStartedSection />;
+});
+
+export const heroSection = {
+  id: 'home:query-assist',
+  render,
+};