// See the Tailwind configuration guide for advanced usage
// https://tailwindcss.com/docs/configuration

const plugin = require("tailwindcss/plugin");
const fs = require("fs");
const path = require("path");

module.exports = {
  darkMode: "class",
  content: ["./js/**/*.js", "../lib/*_web.ex", "../lib/*_web/**/*.*ex"],
  theme: {
    extend: {
      colors: {
        terminal: {
          50: '#fafafa',    // light bg-primary
          100: '#f0f0f0',   // light bg-surface
          200: '#e5e5e5',   // light bg-surface-alt
          300: '#d4d4d4',   // light border
          400: '#71717a',   // muted text (both modes)
          500: '#3f3f46',   // dark muted
          600: '#2a2a2a',   // dark border
          700: '#1a1a1a',   // dark bg-surface-alt
          800: '#111111',   // dark bg-surface
          900: '#0a0a0a',   // dark bg-primary
          950: '#050505',   // darkest
        },
        accent: {
          DEFAULT: '#00ff41',
          light: '#16a34a',  // for light mode
          muted: '#38ef7d',
          dim: '#22c55e',    // light mode muted
          dark: '#0d7a2e',   // very dark for bg tints
        },
        danger: {
          DEFAULT: '#ef4444',
          dark: '#dc2626',
        },
      },
      boxShadow: {
        'glow-sm': '0 0 8px rgba(0, 255, 65, 0.15)',
        'glow': '0 0 15px rgba(0, 255, 65, 0.25)',
        'glow-accent': '0 0 20px rgba(0, 255, 65, 0.3)',
      },
      fontFamily: {
        mono: ['JetBrains Mono', 'Fira Code', 'monospace'],
        sans: ['Inter', 'system-ui', '-apple-system', 'sans-serif'],
      },
    },
  },
  plugins: [
    require("@tailwindcss/forms"),
    // Allows prefixing tailwind classes with LiveView classes to add rules
    // only when LiveView classes are applied, for example:
    //
    //     <div class="phx-click-loading:animate-ping">
    //
    plugin(({ addVariant }) =>
      addVariant("phx-no-feedback", [
        ".phx-no-feedback&",
        ".phx-no-feedback &",
      ]),
    ),
    plugin(({ addVariant }) =>
      addVariant("phx-click-loading", [
        ".phx-click-loading&",
        ".phx-click-loading &",
      ]),
    ),
    plugin(({ addVariant }) =>
      addVariant("phx-submit-loading", [
        ".phx-submit-loading&",
        ".phx-submit-loading &",
      ]),
    ),
    plugin(({ addVariant }) =>
      addVariant("phx-change-loading", [
        ".phx-change-loading&",
        ".phx-change-loading &",
      ]),
    ),

    // Embeds Hero Icons (https://heroicons.com) into your app.css bundle
    // See your `CoreComponents.icon/1` for more information.
    //
    plugin(function ({ matchComponents, theme }) {
      let iconsDir = path.join(__dirname, "../priv/hero_icons/optimized");
      let values = {};
      let icons = [
        ["", "/24/outline"],
        ["-solid", "/24/solid"],
        ["-mini", "/20/solid"],
      ];
      icons.forEach(([suffix, dir]) => {
        fs.readdirSync(path.join(iconsDir, dir)).map((file) => {
          let name = path.basename(file, ".svg") + suffix;
          values[name] = { name, fullPath: path.join(iconsDir, dir, file) };
        });
      });
      matchComponents(
        {
          hero: ({ name, fullPath }) => {
            let content = fs
              .readFileSync(fullPath)
              .toString()
              .replace(/\r?\n|\r/g, "");
            return {
              [`--hero-${name}`]: `url('data:image/svg+xml;utf8,${content}')`,
              "-webkit-mask": `var(--hero-${name})`,
              mask: `var(--hero-${name})`,
              "background-color": "currentColor",
              "vertical-align": "middle",
              display: "inline-block",
              width: theme("spacing.5"),
              height: theme("spacing.5"),
            };
          },
        },
        { values },
      );
    }),
  ],
};