const BLOG = require('./blog.config')
const { fontFamily } = require('tailwindcss/defaultTheme')
const CJK = require('./lib/cjk')
const fontSansCJK = !CJK()
  ? []
  : [`"Noto Sans CJK ${CJK()}"`, `"Noto Sans ${CJK()}"`]
const fontSerifCJK = !CJK()
  ? []
  : [`"Noto Serif CJK ${CJK()}"`, `"Noto Serif ${CJK()}"`]
module.exports = {
  purge: ['./pages/**/*.js', './components/**/*.js', './layouts/**/*.js', './themes/**/*.js'],
  darkMode: BLOG.APPEARANCE === 'class' ? 'media' : 'class', // or 'media' or 'class'
  theme: {
    fontFamily: {
      sans: ['"IBM Plex Sans"', ...fontFamily.sans, ...fontSansCJK],
      serif: ['"Source Serif"', ...fontFamily.serif, ...fontSerifCJK],
      noEmoji: [
        '"IBM Plex Sans"',
        'ui-sans-serif',
        'system-ui',
        '-apple-system',
        'BlinkMacSystemFont',
        'sans-serif'
      ]
    },
    extend: {
      colors: {
        day: {
          DEFAULT: BLOG.BACKGROUND_LIGHT || '#ffffff'
        },
        night: {
          DEFAULT: BLOG.BACKGROUND_DARK || '#111827'
        }
      }
    }
  },
  variants: {
    extend: {}
  },
  plugins: []
}