import { downloads as npmDownloads } from '@nodesecure/npm-registry-sdk';
import type { NextPage } from 'next';
import styled from 'styled-components';
import { AvailableFor } from '../components/AvailableFor';
import { LargeButton } from '../components/Button';
import { REPO, SUPPORT_LINK } from '../lib/constants';
import { Explore } from '../components/Explore';
import { Footer } from '../components/Footer';
import { Header } from '../components/Header';
import { HeaderBackground } from '../components/HeaderBackground';
import { Icon } from '../components/IconList';
import { Layout } from '../components/Layout';
import { media } from '../lib/responsive';
import { SEO } from '../components/SEO';
import { Stat, StatsContainer } from '../components/Stats';
import { Text18 } from '../components/Typography';
import { getHeaderProps } from '../lib/getHeaderProps';
import { getAllIcons } from '../lib/getIcons';
import { octokit } from '../lib/octokit';

interface HomeProps {
  allIcons: Icon[];
  currentVersion: string;
  numStars: number;
  numDownloads: number;
}
const Home: NextPage<HomeProps> = ({
  allIcons,
  currentVersion,
  numStars,
  numDownloads,
}) => {
  return (
    <Layout>
      <SEO />
      <Header currentVersion={currentVersion} />
      <HeaderBackground>
        <HeroHead>
        <HeroText>Say hello</HeroText>
        <HeroTextSecondary>to your new icon library.</HeroTextSecondary>
        </HeroHead>
      </HeaderBackground>
      <HeroDescription>
        A high-quality selection of free icons. No premium options or sign-ups. Your new alternative to Noun Project, Flaticon, and all Figma resources. Available in SVG, 
        Font, React, React Native, Flutter, Figma and Framer.
      </HeroDescription>
      <StatsContainer>
        <Stat
          value={new Intl.NumberFormat('en-US').format(allIcons.length)}
          description={
            'icons available in this very moment, and they’re growing fast!'
          }
        />
        <Stat
          value={'100%'}
          description={
            'free icons. Iconoir is open source and we’re ready for your help.'
          }
        />
        <Stat
          value={new Intl.NumberFormat('en-US', { notation: 'compact' }).format(
            numDownloads
          )}
          description={
            'downloads/month on React only. Iconoir also supports React Native, Flutter and CSS.'
          }
        />
        <Stat
          value={new Intl.NumberFormat('en-US', { notation: 'compact' }).format(
            numStars
          )}
          description={
            'people who starred the project on GitHub. Show your support and be one of them.'
          }
        />
      </StatsContainer>
      <AvailableFor />
      <SupportContainer>
        <LargeButton
          as={'a'}
          href={SUPPORT_LINK}
          target={'_blank'}
          rel={'noreferrer'}
        >
          <span>Donate</span>
        </LargeButton>
        <Text18>
          If you find Iconoir valuable for you, consider making a donation to help us pursuing even bigger goals.
        </Text18>
      </SupportContainer>
      <Explore allIcons={allIcons} />
      <Footer />
    </Layout>
  );
};

export const HeroHead = styled.div`
  margin: 60px auto 40px auto;
  ${media.md} {
    margin: 160px auto 80px auto;
  }
`;
export const HeroText = styled.h1`
  font-size: 50px;
  font-weight: 700;
  color: var(--g0);
  margin: 0 auto;
  letter-spacing: -0.035em;
  line-height: 1;
  text-align: center;
  transition: 0.3s;
  ${media.md} {
    font-size: 90px;
    padding: 0 20px;
    letter-spacing: -0.045em;
    -webkit-text-stroke: 2.5px;
  }
  &:hover {
    transform:scale(1.04);
    transition:0.3s;
  }
  
`;
export const HeroTextSecondary = styled(HeroText)`
  color: var(--g4);
  max-width: 1000px;
`;
export const HeroDescription = styled(Text18)<{ topMargin?: number }>`
  display: block;
  max-width: 750px;
  margin: 0 auto;
  text-align: center;
  ${media.lg} {
    margin-top: ${(props) => props.topMargin || 0}px;
  }
`;
const SupportContainer = styled.div`
  text-align: center;
  > * {
    margin: 0 auto;
    max-width: 750px;
  }
  > :not(:last-child) {
    margin-bottom: 30px;
  }
  margin-bottom: 50px;
  ${media.sm} {
    margin-bottom: 110px;
  }
`;


export default Home;

export async function getStaticProps() {
  const headerProps = getHeaderProps();

  const {
    data: { stargazers_count: numStars },
  } = await octokit.rest.repos.get({
    ...REPO,
  });
  if (!numStars) throw new Error('Could not find GitHub stars');

  const { downloads: numDownloads } = await npmDownloads(
    'iconoir-react',
    'last-month'
  );
  if (!numDownloads) throw new Error('Could not find NPM downloads');

  return {
    props: {
      ...headerProps,
      allIcons: await getAllIcons(),
      numStars,
      numDownloads,
    },
  };
  
}