import { Config } from 'tailwindcss';
import * as defaultTheme from 'tailwindcss/defaultTheme';
import plugin from 'tailwindcss/plugin';

import typographyPlugin from '@tailwindcss/typography';
import formsPlugin from '@tailwindcss/forms';

import { themes } from './src/themes';

const noscriptPlugin = plugin(({ addComponents }) => {
  // NOTE: We cannot choose where Tailwind puts the generated CSS, so we
  // manually add these classes to routes/+layout.svelte
  addComponents({
    '.noscript\\:hidden': {},
  });
});

const color = (name: string) => ({
  [`${name}`]: `rgb(var(--${name}) / <alpha-value>)`,
});
const colorFocusContent = (name: string) => ({
  ...color(`${name}`),
  ...color(`${name}-focus`),
  ...color(`${name}-content`),
});

export default {
  content: ['./src/**/*.{html,js,svelte,ts}'],
  theme: {
    extend: {
      colors: {
        ...colorFocusContent('primary'),
        ...colorFocusContent('secondary'),
        ...colorFocusContent('accent'),
        ...colorFocusContent('neutral'),
        ...color('base-100'),
        ...color('base-200'),
        ...color('base-300'),
        ...color('base-400'),
        ...color('base-content'),
        ...colorFocusContent('info'),
        ...colorFocusContent('success'),
        ...colorFocusContent('warning'),
        ...colorFocusContent('error'),
        ...color('link'),
        ...color('link-visited'),
      },
      fontFamily: {
        sans: ['Helvetica', 'Arial', 'sans-serif', ...defaultTheme.fontFamily.sans],
      },
      animation: {
        blink: 'blink 1s steps(2) infinite',
      },
      keyframes: {
        blink: { '0%': { opacity: '0' } },
      },
      typography: () => {
        const c = (name: string) => `rgb(var(--${name}))`;
        return {
          DEFAULT: {
            css: {
              '--tw-prose-body': c('base-content'),
              '--tw-prose-headings': c('primary-focus'),
              // '--tw-prose-lead': c('error'),
              '--tw-prose-links': c('link'),
              '--tw-prose-bold': c('base-content'),
              '--tw-prose-counters': c('secondary-focus'),
              '--tw-prose-bullets': c('secondary-focus'),
              '--tw-prose-hr': c('primary'),
              '--tw-prose-quotes': c('base-content'),
              '--tw-prose-quote-borders': c('primary'),
              // '--tw-prose-captions': c('error'),
              '--tw-prose-code': c('accent-focus'),
              '--tw-prose-pre-code': c('accent-focus'),
              '--tw-prose-pre-bg': c('base-200'),
              '--tw-prose-th-borders': c('base-400'),
              '--tw-prose-td-borders': c('base-300'),
            },
          },
        };
      },
    },
  },
  plugins: [typographyPlugin, formsPlugin, noscriptPlugin, ...themes],
} satisfies Config;