import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const root = path.resolve(path.dirname(fileURLToPath(import.meta.url)), '..');
const brand = path.join(root, 'src/assets/brand');

function stripBom(s) {
  return s.replace(/^\uFEFF/, '');
}

function svgToInner(svg) {
  return svg
    .replace(/<\?xml[^>]*>/, '')
    .replace(/<svg[^>]*>/, '')
    .replace(/<\/svg>\s*$/, '')
    .replace(/<title>[^<]*<\/title>\s*/, '')
    .trim()
    .replace(/fill-rule=/g, 'fillRule=');
}

const wordmark = stripBom(fs.readFileSync(path.join(brand, 'wordmark.svg'), 'utf8'));
const logo = stripBom(fs.readFileSync(path.join(brand, 'logo.svg'), 'utf8'));
const wmInner = svgToInner(wordmark);
const lgInner = svgToInner(logo);

const wordmarkTsx = `import type { CSSProperties } from 'react';

export const BRAND_NAME = 'Nudentic';

type BrandWordmarkProps = {
  className?: string;
  style?: CSSProperties;
  decorative?: boolean;
};

/** Official wordmark from \`src/assets/brand/wordmark.svg\`. Re-run \`scripts/build-brand-components.mjs\` after editing the SVG. */
export function BrandWordmark({ className, style, decorative }: BrandWordmarkProps) {
  return (
    <svg
      xmlns="http://www.w3.org/2000/svg"
      viewBox="0 0 345 70"
      className={className}
      style={{ display: 'inline-block', height: '1em', width: 'auto', overflow: 'visible', ...style }}
      role={decorative ? undefined : 'img'}
      aria-label={decorative ? undefined : BRAND_NAME}
      aria-hidden={decorative || undefined}
    >
      ${wmInner}
    </svg>
  );
}
`;

const logoTsx = `import type { CSSProperties } from 'react';
import { BRAND_NAME } from '@/components/ui/shared/BrandWordmark';

type BrandLogoProps = {
  className?: string;
  style?: CSSProperties;
  decorative?: boolean;
};

/** Official mark from \`src/assets/brand/logo.svg\`. Re-run \`scripts/build-brand-components.mjs\` after editing the SVG. */
export function BrandLogo({ className, style, decorative }: BrandLogoProps) {
  return (
    <svg
      xmlns="http://www.w3.org/2000/svg"
      viewBox="0 0 4294 3630"
      className={className}
      style={{ display: 'inline-block', height: '1.15em', width: 'auto', overflow: 'visible', ...style }}
      role={decorative ? undefined : 'img'}
      aria-label={decorative ? undefined : BRAND_NAME}
      aria-hidden={decorative || undefined}
    >
      ${lgInner}
    </svg>
  );
}
`;

const lockupTsx = `import type { CSSProperties } from 'react';
import { BrandLogo } from '@/components/ui/shared/BrandLogo';
import { BrandWordmark, BRAND_NAME } from '@/components/ui/shared/BrandWordmark';

type BrandLockupProps = {
  className?: string;
  style?: CSSProperties;
};

/** Logo + wordmark. Size via font-size / text-* on this wrapper (\`em\` on the SVGs). */
export function BrandLockup({ className, style }: BrandLockupProps) {
  return (
    <span
      dir="ltr"
      className={className}
      style={{ display: 'inline-flex', alignItems: 'center', gap: '0.35em', ...style }}
      role="img"
      aria-label={BRAND_NAME}
    >
      <BrandLogo decorative />
      <BrandWordmark decorative />
    </span>
  );
}
`;

fs.writeFileSync(path.join(root, 'src/components/ui/shared/BrandWordmark.tsx'), wordmarkTsx);
fs.writeFileSync(path.join(root, 'src/components/ui/shared/BrandLogo.tsx'), logoTsx);
fs.writeFileSync(path.join(root, 'src/components/ui/shared/BrandLockup.tsx'), lockupTsx);

const icon = logo
  .replaceAll('fill="currentColor"', 'fill="#0f172a"')
  .replace(/<title>[^<]*<\/title>\s*/, '');
fs.writeFileSync(path.join(root, 'src/app/icon.svg'), icon);

console.log('brand components + icon.svg written');