#!/usr/bin/env -S deno run -A
// 从 apps/web/app/app.css 抽出自定义工具类的 token 名,生成 app/lib/design-tokens.generated.ts,
// 供 cn() 的 tailwind-merge 登记。不登记的话合并器会把 `text-control` 当成文字颜色、
// 和 `text-muted-foreground` 冲突后丢掉字号(2026-09-12 页面级复验抓到的)。
// 手动维护登记表会漂移,所以改成生成:改了 app.css 跑 `cd apps/web && deno task gen:tokens`,CI 校验生成物是最新的。
import { readFileSync, writeFileSync } from "node:fs";

const css = readFileSync(new URL("../app/app.css", import.meta.url), "utf8");
const pick = (ns) => [
  ...new Set([...css.matchAll(new RegExp(`^\\s*--${ns}-([a-z0-9-]+)\\s*:`, "gm"))].map((m) => m[1])),
];
const tokens = {
  fontSizes: pick("text").filter((n) => !/^(xs|sm|base|lg|xl|\dxl)$/.test(n)),
  eases: pick("ease"),
  radii: pick("radius"),
  durations: [...new Set([...css.matchAll(/^@utility duration-([a-z0-9-]+)/gm)].map((m) => m[1]))],
};
const out = `// 由 scripts/gen-design-tokens.mjs 从 app/app.css 生成,不要手改;改了 app.css 跑 deno task gen:tokens
export const DESIGN_TOKENS = ${JSON.stringify(tokens, null, 2)} as const;
`;
const target = new URL("../app/lib/design-tokens.generated.ts", import.meta.url);
if (process.argv.includes("--check")) {
  let current = "";
  try {
    current = readFileSync(target, "utf8");
  } catch {}
  if (current !== out) {
    console.error("app/lib/design-tokens.generated.ts 已过期,运行 cd apps/web && deno task gen:tokens");
    process.exit(1);
  }
  console.log(
    `design token 登记表是最新的(字号 ${tokens.fontSizes.length} / 缓动 ${tokens.eases.length} / 圆角 ${tokens.radii.length} / 时长 ${tokens.durations.length})`,
  );
} else {
  writeFileSync(target, out);
  console.log(
    `已生成 app/lib/design-tokens.generated.ts(字号 ${tokens.fontSizes.length} / 缓动 ${tokens.eases.length} / 圆角 ${tokens.radii.length} / 时长 ${tokens.durations.length})`,
  );
}