const defaultTheme = require('tailwindcss/defaultTheme')
const plugin = require('tailwindcss/plugin')
const Color = require('color')

module.exports = {
  purge: {
    content: [
      'public/**/*.html',
      'app/templates/**/*.html',
      'static/**/*.js',
    ],
    // Safelist classes used dynamically in Alpine.js expressions
    safelist: [
      'bg-orange-600',
      'bg-green-600',
      'bg-red-600',
      'hover:bg-orange-700',
      'hover:bg-green-700',
      'hover:bg-red-700',
    ],
  },
  theme: {
    themeVariants: ['dark'],
    customForms: (theme) => ({
      default: {
        'input, textarea': {
          '&::placeholder': {
            color: theme('colors.gray.400'),
          },
        },
      },
    }),
    colors: {
      transparent: 'transparent',
      white: '#ffffff',
      black: '#000000',
      gray: {
        '50': '#f9fafb',
        '100': '#f4f5f7',
        '200': '#e5e7eb',
        '300': '#d5d6d7',
        '400': '#9e9e9e',
        '500': '#707275',
        '600': '#4c4f52',
        '700': '#24262d',
        '800': '#1a1c23',
        '900': '#121317',
        // default values from Tailwind UI palette
        // '300': '#d2d6dc',
        // '400': '#9fa6b2',
        // '500': '#6b7280',
        // '600': '#4b5563',
        // '700': '#374151',
        // '800': '#252f3f',
        // '900': '#161e2e',
      },
      'cool-gray': {
        '50': '#fbfdfe',
        '100': '#f1f5f9',
        '200': '#e2e8f0',
        '300': '#cfd8e3',
        '400': '#97a6ba',
        '500': '#64748b',
        '600': '#475569',
        '700': '#364152',
        '800': '#27303f',
        '900': '#1a202e',
      },
      red: {
        '50': '#fdf2f2',
        '100': '#fde8e8',
        '200': '#fbd5d5',
        '300': '#f8b4b4',
        '400': '#f98080',
        '500': '#f05252',
        '600': '#e02424',
        '700': '#c81e1e',
        '800': '#9b1c1c',
        '900': '#771d1d',
      },
      orange: {
        '50': '#fff8f1',
        '100': '#feecdc',
        '200': '#fcd9bd',
        '300': '#fdba8c',
        '400': '#ff8a4c',
        '500': '#ff5a1f',
        '600': '#d03801',
        '700': '#b43403',
        '800': '#8a2c0d',
        '900': '#771d1d',
      },
      yellow: {
        '50': '#fdfdea',
        '100': '#fdf6b2',
        '200': '#fce96a',
        '300': '#faca15',
        '400': '#e3a008',
        '500': '#c27803',
        '600': '#9f580a',
        '700': '#8e4b10',
        '800': '#723b13',
        '900': '#633112',
      },
      green: {
        '50': '#f3faf7',
        '100': '#def7ec',
        '200': '#bcf0da',
        '300': '#84e1bc',
        '400': '#31c48d',
        '500': '#0e9f6e',
        '600': '#057a55',
        '700': '#046c4e',
        '800': '#03543f',
        '900': '#014737',
      },
      teal: {
        '50': '#edfafa',
        '100': '#d5f5f6',
        '200': '#afecef',
        '300': '#7edce2',
        '400': '#16bdca',
        '500': '#0694a2',
        '600': '#047481',
        '700': '#036672',
        '800': '#05505c',
        '900': '#014451',
      },
      blue: {
        '50': '#ebf5ff',
        '100': '#e1effe',
        '200': '#c3ddfd',
        '300': '#a4cafe',
        '400': '#76a9fa',
        '500': '#3f83f8',
        '600': '#1c64f2',
        '700': '#1a56db',
        '800': '#1e429f',
        '900': '#233876',
      },
      indigo: {
        '50': '#f0f5ff',
        '100': '#e5edff',
        '200': '#cddbfe',
        '300': '#b4c6fc',
        '400': '#8da2fb',
        '500': '#6875f5',
        '600': '#5850ec',
        '700': '#5145cd',
        '800': '#42389d',
        '900': '#362f78',
      },
      purple: {
        '50': '#f6f5ff',
        '100': '#edebfe',
        '200': '#dcd7fe',
        '300': '#cabffd',
        '400': '#ac94fa',
        '500': '#9061f9',
        '600': '#7e3af2',
        '700': '#6c2bd9',
        '800': '#5521b5',
        '900': '#4a1d96',
      },
      pink: {
        '50': '#fdf2f8',
        '100': '#fce8f3',
        '200': '#fad1e8',
        '300': '#f8b4d9',
        '400': '#f17eb8',
        '500': '#e74694',
        '600': '#d61f69',
        '700': '#bf125d',
        '800': '#99154b',
        '900': '#751a3d',
      },
    },
    extend: {
      maxHeight: {
        '0': '0',
        xl: '36rem',
      },
      fontFamily: {
        sans: ['Inter', ...defaultTheme.fontFamily.sans],
      },
    },
  },
  variants: {
    backgroundColor: [
      'hover',
      'focus',
      'active',
      'odd',
      'dark',
      'dark:hover',
      'dark:focus',
      'dark:active',
      'dark:odd',
    ],
    display: ['responsive', 'dark'],
    textColor: [
      'focus-within',
      'hover',
      'active',
      'dark',
      'dark:focus-within',
      'dark:hover',
      'dark:active',
    ],
    placeholderColor: ['focus', 'dark', 'dark:focus'],
    borderColor: ['focus', 'hover', 'dark', 'dark:focus', 'dark:hover'],
    divideColor: ['dark'],
    boxShadow: ['focus', 'dark:focus'],
  },
  plugins: [
    require('tailwindcss-multi-theme'),
    require('@tailwindcss/custom-forms'),
    plugin(({ addUtilities, e, theme, variants }) => {
      const newUtilities = {}
      Object.entries(theme('colors')).map(([name, value]) => {
        if (name === 'transparent' || name === 'current') return
        const color = value[300] ? value[300] : value
        const hsla = Color(color).alpha(0.45).hsl().string()

        newUtilities[`.shadow-outline-${name}`] = {
          'box-shadow': `0 0 0 3px ${hsla}`,
        }
      })

      addUtilities(newUtilities, variants('boxShadow'))
    }),
  ],
}