import { createElement as h } from 'react';

// ImageResponse uses flex and inline styles, independently of browser CSS,
// animation and the landing's Webpack loaders.
const box = (style, ...children) =>
  h('div', { style: { display: 'flex', ...style } }, ...children);
const picture = (src, width, height, style = {}) =>
  h('img', { src, width, height, style });

export function createOgImage(page, locale, assets) {
  const copy = page[locale];
  const handwritten = ['schedule', 'community'].includes(page.illustration);
  const privacy = page.illustration === 'privacy';
  const accent = page.illustration === 'terms' ? '#715573' : '#1d4fac';
  const headingSize = locale === 'ru' && privacy ? 58 : 76;
  const secondSize = locale === 'ru' && privacy ? 52 : handwritten ? 100 : 76;
  const illustrations = {
    schedule: assets.logo,
    community: assets.love,
    privacy: assets.shield,
    terms: assets.note,
  };

  return box(
    {
      position: 'relative',
      width: '100%',
      height: '100%',
      padding: 32,
      color: '#242424',
      backgroundColor: '#fff',
      fontFamily: 'Manrope',
      fontWeight: 600,
    },
    box(
      {
        position: 'relative',
        width: '100%',
        height: '100%',
        borderRadius: 36,
        overflow: 'hidden',
        backgroundColor: '#f5f7fc',
      },
      picture(assets.background, 1136, 566, {
        position: 'absolute',
        left: 0,
        top: 0,
      }),
      picture(assets.star6, 350, 365, {
        position: 'absolute',
        right: -60,
        top: 122,
        opacity: 0.72,
        transform: 'rotate(16deg)',
      }),
      picture(assets.star5, 170, 170, {
        position: 'absolute',
        right: 237,
        bottom: 21,
        opacity: 0.48,
        transform: 'rotate(-15deg)',
      }),
      picture(assets.thinStar, 148, 148, {
        position: 'absolute',
        left: -71,
        bottom: -60,
        opacity: 0.32,
        transform: 'rotate(10deg)',
      }),
      box(
        {
          position: 'relative',
          flexDirection: 'column',
          justifyContent: 'space-between',
          width: '100%',
          height: '100%',
          padding: '38px 44px',
        },
        box(
          { alignItems: 'center', justifyContent: 'space-between' },
          box(
            { alignItems: 'center', gap: 12 },
            picture(assets.logo, 48, 48),
            h('span', { style: { fontSize: 32, fontWeight: 800 } }, 'ridebus')
          ),
          box(
            {
              padding: '12px 22px',
              borderRadius: 40,
              fontSize: 18,
              color: accent,
              backgroundColor: '#ffffffb3',
            },
            copy.label
          )
        ),
        box(
          { flexDirection: 'column', width: 730, marginTop: 10 },
          h(
            'div',
            {
              style: {
                fontSize: headingSize,
                lineHeight: 1.16,
                fontWeight: 800,
                letterSpacing: '-2.5px',
              },
            },
            copy.heading[0]
          ),
          h(
            'div',
            {
              style: {
                fontFamily: handwritten ? 'Caveat' : 'Manrope',
                fontSize: secondSize,
                fontWeight: handwritten ? 700 : 800,
                lineHeight: handwritten ? 1.1 : 1.2,
                letterSpacing: handwritten ? '-1px' : '-2px',
                color: handwritten ? '#715573' : accent,
                marginTop: handwritten ? -2 : 4,
              },
            },
            copy.heading[1]
          ),
          box(
            {
              marginTop: 22,
              maxWidth: 665,
              fontSize: 24,
              lineHeight: 1.5,
              color: '#526079',
            },
            copy.caption
          )
        ),
        box(
          { alignItems: 'center', justifyContent: 'space-between' },
          box(
            { gap: 10 },
            ...copy.tags.map((tag) =>
              box(
                {
                  padding: '10px 18px',
                  borderRadius: 18,
                  backgroundColor: '#ffffffb3',
                  fontSize: 17,
                  color: '#526079',
                },
                tag
              )
            )
          ),
          h('span', { style: { fontSize: 20, color: accent } }, 'ridebus.by')
        )
      ),
      box(
        {
          position: 'absolute',
          right: 44,
          top: 197,
          width: 236,
          height: 236,
          alignItems: 'center',
          justifyContent: 'center',
          borderRadius: 60,
          backgroundColor: '#ffffffdb',
          border: '2px solid #ffffff',
          transform: 'rotate(-9deg)',
        },
        picture(
          illustrations[page.illustration],
          page.illustration === 'schedule' ? 164 : 126,
          page.illustration === 'schedule' ? 164 : 126
        )
      )
    )
  );
}